Automotive lighting unit comprising a first lighting assembly able to backlight a transparent or semi-transparent portion of the front half-shell; the lighting assembly comprising: at least one light-guide plate made of photoconductive material, which is arranged inside the rear casing with a front sidewall of the plate facing the transparent or semi-transparent portion, and with a rear sidewall of the plate facing the rear casing; a first oblong light source which is located inside the rear casing at a first segment of the rear sidewall, and is capable of directing the light produced inside the light-guide plate so that the light travels inside the body of the light-guide plate towards the front sidewall; and a second light source which is located inside the rear casing at a second segment of the rear sidewall complementary to the first segment, and is capable of directing the light produced inside the light-guide plate, so that this light travels inside the body of the light-guide plate towards a first lateral sidewall of the light-guide plate connecting the second segment of the rear sidewall of the light-guide plate to the front sidewall of the same light-guide plate. The light-guide plate is provided with a transversal groove that extends along one of the two faces of the light-guide plate, from the front sidewall of the light-guide plate towards the rear sidewall of the light-guide plate, so as to be interposed between the first lateral sidewall of the plate and the front sidewall of the plate, and is crossed by the light reflected by the first lateral sidewall of the light-guide plate towards the front sidewall of the light-guide plate.
F21S 43/243 - Light guides characterised by the emission area emitting light from one or more of its extremities
F21S 43/249 - Light guides with two or more light sources being coupled into the light guide
F21S 43/241 - Light guides characterised by the shape of the light guide of complex shape
F21Y 105/16 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
2.
Machine for welding workpieces made of plastic materials
Machine for welding workpieces made of plastic materials of the type comprising: two workpiece-carrying fixtures each provided with a template having a recess adapted to accommodate a respective plastic workpiece to be welded; a moving assembly adapted to selectively couple and press the two workpiece-carrying fixtures to/against each other, so as to tighten the plastic workpieces housed in the templates one against the other; a vibrating member which is adapted to vibrate on command a first workpiece-carrying fixture; automatic piece locking means adapted to selectively lock/immobilise the plastic workpiece to be welded inside the template of the first workpiece-carrying fixture; and an electronic control unit adapted to drive/control said automatic piece locking means.
F21S 43/50 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
Anti-pinch method for an apparatus for automatic movement of sliding windows in a motor vehicle, in particular a power-window apparatus, and corresponding device
a); calculating a position of the window (F) as a function of said angular position (θ(t)) of the motor (M); and reversing the direction of rotation of the motor (M) if the position of the window (F) falls within an anti-pinch zone (APZ) and the movement of the motor (M) is at least partially blocked.
H02P 27/05 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using AC supply for both the rotor and the stator circuits, the frequency of supply to at least one circuit being variable
H02P 25/10 - Commutator motors, e.g. repulsion motors
E05F 15/41 - Detection by monitoring transmitted force or torqueSafety couplings with activation dependent upon torque or force, e.g. slip couplings
E05F 15/697 - Motor units therefor, e.g. geared motors
H02P 7/00 - Arrangements for regulating or controlling the speed or torque of electric DC motors
A lighting and/or signaling device, comprising a light guide, at least one LED light source, wherein an inlet and diffusion wall and the light outlet wall are opposite to each other along a main optical axis (X). The lighting portion comprises a middle lighting portion aligned with the LED light source and the light emission portion, and a peripheral lighting portion. The device comprises at least one reflector element associated with the light inlet and diffusion wall of the light guide and directly facing the respective extraction elements so as to reflect light towards the light outlet wall. A diffusion layer is arranged to cover the lighting portion on the side of the light outlet wall. Cylindrical optics are provided on the light outlet wall, at the middle lighting portion, which extract the incident light beams thereon, towards the diffusion layer.
An automotive lighting unit wherein the lighting assembly that backlights the front half-shell comprises: at least one light-guide body made of photoconductive material, which is placed inside the rear body and is structured to channel, by total internal reflection and towards said transparent or semi-transparent portion of the front half-shell, the light that enters into the light-guide body through a light-incoupling end or sidewall of the same light-guide body; an active light deflector device which is placed inside the rear body, facing the light-incoupling end or sidewall of said light-guide body; and an electrically-powered light source which is placed inside the rear body and emits, on command, a collimated light beam towards the active light deflector device; the active light deflector device being adapted to reflect/divert said collimated light beam towards the light-incoupling end or sidewall of said light-guide body, so that the collimated light beam can enter into the light-guide body and then travel inside the light-guide body by total internal reflection.
F21S 43/247 - Light guides with a single light source being coupled into the light guide
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
F21S 43/50 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
F21S 43/237 - Light guides characterised by the shape of the light guide rod-shaped
F21S 43/13 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
F21S 43/40 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
F21S 43/30 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
F21S 43/239 - Light guides characterised by the shape of the light guide plate-shaped
F21S 43/245 - Light guides characterised by the emission area emitting light from one or more of its major surfaces
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
6.
VIRTUAL HUMAN-MACHINE INTERFACE SYSTEM AND CORRESPONDING VIRTUAL HUMAN-MACHINE INTERFACE METHOD FOR A VEHICLE
A virtual human-machine interface (1) system for a vehicle including at least one projection surface (3) disposed within the vehicle and a corresponding virtual human-machine interface method (1) for a vehicle are disclosed; said virtual human-machine interface system (1) comprising: - at least one micro-mirror projection means (5) arranged for projecting an image on said at least one projection surface (3); - at least one sensor means (7) arranged for detecting commands given by a user by determining the position of a part of the user's body within the vehicle; and - a control unit (9) arranged for controlling said human-machine interface system (1); the position of the image projected by the at least one projection means (5) within the vehicle being modifiable by means of a specific command given by the user.
E05F 15/41 - Detection by monitoring transmitted force or torqueSafety couplings with activation dependent upon torque or force, e.g. slip couplings
H02H 7/085 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
E05F 15/697 - Motor units therefor, e.g. geared motors
H02P 7/03 - Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
H02P 7/29 - Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
8.
"ANTI-PINCH METHOD FOR AN APPARATUS FOR AUTOMATIC MOVEMENT OF SLIDING WINDOWS IN A MOTOR VEHICLE, IN PARTICULAR A POWER-WINDOW APPARATUS, AND CORRESPONDING DEVICE
An anti-pinch method for an apparatus for automatic movement of sliding windows in a motor vehicle, in particular a power-window apparatus, comprising a d.c. electric motor (M) that moves a window (F) so that it slides along guides, said method comprising: - receiving at least one electrical quantity (ea, ia) of said motor (M); - counting (Rc) oscillation periods (Rd) of said at least one electrical quantity (ea, ia); - calculating an angular position (θ(t) ) of the motor (M) as a function of the number of periods (Rc) of the electrical quantity (ea, ia); - calculating a position of the window (F) as a function of said angular position ( 9(t) ) of the motor (M); and - reversing the direction of rotation of the motor (M) if the position of said window (F) falls within an anti-pinch zone (APZ) and the movement of the motor (M) is at least partially blocked. The method described envisages: - receiving a plurality of electrical quantities (ea, ia) of said motor (M); and - selecting the electrical quantity in order to count (Rc) oscillation periods (Rd) of said at least one electrical quantity (ea, ia) in said plurality of electrical quantities (ea, ia) received through a control signal (mode), generated as a function of the operating steps (STOP, RUN UP, RUN DOWN) of the motor (M).
H02H 7/085 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
H02P 7/00 - Arrangements for regulating or controlling the speed or torque of electric DC motors
9.
Vehicle light comprising a portion of light emission with opalescent effect
A vehicle light comprising a container body that houses at least one light source that emits a plurality of light rays (Ri). A lenticular body is at least partially crossed by the light beam produced by the light source. A diffuser body faces at least one light source, so as to receive the light beam from the diffuser body and extends along a main transverse extension (T-T) perpendicular to a main direction of propagation (L-L) of the light beam. The diffuser body comprises a first group of first optical elements defining cylindrical or spherical optics which scatter the light rays (Ri) towards the light output wall and emit an opalescent light beam. The first optical elements of the first group form a single body, and the first optical elements are separated from the light source and the lenticular body by air gaps.
F21S 43/20 - Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
10.
Vehicle light comprising a portion of light emission with opalescent effect
Vehicle light comprising a container body that houses at least one light source, a lenticular body, a light guide, the light source, so as to receive the light beam and transmit it to a light outlet wall. The light guide comprises a body that defines the propagation direction of the light beam inside the body by total internal reflection. The body has a first groove, comprising a plurality of first holes, defining cylindrical or spherical optics that produce a scattering of said light rays (Ri) towards the light outlet wall so as to emit a light beam with opalescent effect. The first holes are adjacent to each other without interruption and are blind with respect to a thickness of the body of the light guide, penetrating from a first face of the body for a first depth less than said thickness.
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
F21S 43/241 - Light guides characterised by the shape of the light guide of complex shape
B60Q 3/62 - Arrangement of lighting devices for vehicle interiorsLighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
F21S 41/147 - Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
Automotive lighting unit (1) comprising a first lighting assembly (5) able to backlight a transparent or semi- transparent portion (4) of the front half-shell (3); the lighting assembly (5) comprising: at least one light-guide plate (6) made of photoconductive material, which is arranged inside the rear casing (2) with a front sidewall (7) of the plate facing said transparent or semi-transparent portion (4), and with a rear sidewall (8) of the plate facing the rear casing (2); a first oblong light source (9) which is located inside the rear casing (2) at a first segment (8a) of said rear sidewall (8), and is capable of directing the light produced inside the light-guide plate (6) so that said light travels inside the body of the light-guide plate (6) towards said front sidewall (7); and a second light source (12) which is located inside the rear casing (2) at a second segment (8b) of the rear sidewall (8) complementary to said first segment (8a), and is capable of directing the light produced inside the light-guide plate (6), so that this light travels inside the body of the light-guide plate (6) towards a first lateral sidewall (13) of the light-guide plate (6) connecting the second segment (8b) of the rear sidewall (8) of the light-guide plate (6) to the front sidewall (7) of the same light-guide plate (6); the light-guide plate (6) being provided with a transversal groove (15) that extends along one of the two faces of the light-guide plate (6), from the front sidewall (7) of the light-guide plate (6) towards the rear sidewall (8) of the light-guide plate (6), so as to be interposed between said first lateral sidewall (13) of the plate and the front sidewall (7) of the plate, and be crossed by the light (r2) reflected by said first lateral sidewall (13) of the light-guide plate (6) towards the front sidewall (7) of the light-guide plate (6).
Described herein is an apparatus for automatic movement of sliding windows in a motor vehicle, in particular a power-window apparatus, comprising a d.c. electric motor (10) that moves a window (F) so that it slides along guides, the device (20) comprising an electronic control module (21) for controlling the d.c. electric motor (10), in particular a microprocessor, the electronic control module (21) being configured for measuring a current (I) of the motor (10) and for measuring a position (X) of the window (F), the control module (21) being moreover configured for driving reversal (190) of operation of the electric motor (10) if it is verified (180) that the current (I) is higher than a threshold current (Ith) and the position (X) of the window (F) falls within a given zone (APZ) of a path (P) of movement of the window (F). According to the invention, the anti-pinch circuit device (20) is configured for measuring (130) a back electromotive force (E; Em) of the motor (10), and the electronic control module (21) is configured for calculating (180) the position of the window (F) as a function of the back electromotive force (E; Em) of the motor (10), so as to operate without the aid of external sensors. The control module (21) is configured for calculating the coefficient of proportionality (Ke) of the system via a calibration procedure.
E05F 15/41 - Detection by monitoring transmitted force or torqueSafety couplings with activation dependent upon torque or force, e.g. slip couplings
H02H 7/085 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
13.
Cabling system and method for connecting electronic printed circuit boards
A cabling system and method for connecting, to a plurality of electronic printed circuit boards, a common electrical cable, a grounding cable, and respective electrical board wires, or power supply cables. The system comprises a bundle of electrical cables, and a plurality of multipolar, insulation-piercing connectors placed in succession along said bundle of cables. Each of the connectors is suitable to receive the common electrical cable, the board cable to be connected to the respective electronic board, and the board cables that must be connected to the successive connectors, and is suitable to transmit to a successive insulation-piercing connector, the common electrical cable and the board cables that must be connected to the successive connectors.
H01R 11/00 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
H01R 12/73 - Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
H01R 9/03 - Connectors arranged to contact a plurality of the conductors of a multiconductor cable
H01R 12/72 - Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
H01R 12/75 - Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
A vehicle light comprising a container body and a lenticular body. The light comprises a substrate that supports a main light source that is embedded in a cover layer suitable to allow the diffusion inside it of the main light beam. The cover layer is disposed on the side opposite to the lenticular body with respect to the substrate. The substrate comprises at least one transparent portion to the light beam suitable to transmit the main light beam towards the lenticular body and, through this, to the outside of the vehicle light, wherein the substrate comprises at least one opaque portion to the main light beam, adjacent to said transparent portion in order to allow the passage of the main light beam exclusively at said transparent portion. The transparent portion defines a main light pattern of the vehicle light.
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
B26D 7/08 - Means for treating work or cutting member to facilitate cutting
B26D 7/10 - Means for treating work or cutting member to facilitate cutting by heating
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
F21Y 107/10 - Light sources with three-dimensionally disposed light-generating elements on concave supports or substrates, e.g. on the inner side of bowl-shaped supports
An automotive light including: a rear casing, which is substantially basin-shaped and is structured in such a way as to be fixed on the vehicle body; a front half-shell, which is arranged to close the mouth of the rear casing and is provided with at least a transparent or semitransparent portion; and at least one lighting assembly, in turn including a platelike light-guide body, which extends within the rear casing in such a way as to place a front sidewall thereof so that it faces the transparent or semitransparent portion of the front half-shell and a rear sidewall thereof so that it faces the bottom of the rear casing; and a light-emitting device, which is located within a transverse slot that extends within the platelike light-guide body, from the rear sidewall to the front sidewall, remaining substantially perpendicular to the midplane of the platelike light-guide body and substantially parallel to the optical axis of the automotive light.
F21V 9/00 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
B60Q 1/22 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments for reverse drive
G02B 6/00 - Light guidesStructural details of arrangements comprising light guides and other optical elements, e.g. couplings
F21Y 107/90 - Light sources with three-dimensionally disposed light-generating elements on two opposite sides of supports or substrates
An automotive light is provided that includes a light-guide plate extending inside the rear body of the light remaining substantially parallel to the light reference optical axis close up to the front lenticular hemi-shell of the light with its front side edge facing the strip-shaped transparent or semi-transparent portion of the front lenticular hemi-shell, and a linear-extending light source directing emitted light towards the inside of the light-guide plate through the rear side edge of the same light-guide plate. The rear side edge of the light-guide plate includes a serrated profile with teeth substantially triangular in shape oriented so that a first inclined edge of the tooth is arranged locally substantially perpendicular to the optical reference axis. The light source includes a row of spaced LEDs facing the rear side edge, each LED facing a respective tooth of the rear side edge so as to direct/project emitted light through the first inclined edge of the tooth. The lighting assembly also includes a series of optical collimators interposed between a diode and a corresponding tooth of the rear side edge of the light-guide plate to deflect light rays towards the corresponding inclined edge of the tooth and collimating the rays in a direction substantially parallel to a collimation axis substantially coplanar to the light-guide plate and inclined with respect to the optical reference axis of the light by greater than 0°.
A lighting device of an automotive light comprising light sources supplied by a drive current and a control device comprising a control stage generating a control signal on the basis of the difference between the drive current and a predetermined reference current, and a driving stage, which adjust the drive current on the basis of the control signal. The driving stage comprises a voltage stabilizing device, which supplies, in a first operation condition, a stabilized voltage on an intermediate node thereof, a first transistor having a control terminal receiving the control signal; and a second transistor having a control terminal connected to the intermediate node to be set, in the first operation condition, to the predetermined stabilized voltage), a first terminal connected to the light source, and a second terminal connected to a second terminal of the first transistor.
A method for controlling a motor-vehicle lighting device is provided that uses LEDs supplied with PWM signals temporally spaced apart from one another by a first time phase t1 and a second time phase t2. An interval of interest is defined in which an electromagnetic disturbance must not exceed a maximum threshold value θmax; driving signals are supplied on the basis of first phases t1 and t2 computed; and the measured or simulated waveform of the electromagnetic disturbance deriving from the phases t1 and t2 is compared with the maximum threshold value within the interval of interest defined. Where the waveform of the disturbance exceeds the threshold, two phases t1 and t2, once again different from one another, are recalculated; otherwise, the last phases t1 and t2 calculated are selected and used in the PWM control. An advantageous motor-vehicle lighting device is also provided.
B60Q 1/14 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
An automotive light includes a rear body; a front lenticular half-shell which closes the mouth of the rear body and is provided with at least one transparent/semi-transparent portion; and at least one lighting assembly which emits light upon command and is located within the rear body to backlight the transparent/semi-transparent portion of the front lenticular half-shell. The lighting assembly includes a planar OLED light source which emits light from its front face and is within the rear body with the front face facing the inner surface of the front lenticular half-shell to direct light towards the front lenticular half-shell; a concentrated LED light source behind the planar light source; and a light-guide rod of photoconductive material between the concentrated light source and the planar light source and receives light emitted by the concentrated light source and conveys the light towards the rear face of the planar light source.
An automotive light includes a rear body; a front lenticular half-shell which closes the mouth of the rear body and is provided with at least one transparent/semi-transparent portion; and at least one lighting assembly which emits light upon command and is located within the rear body to backlight the transparent/semi-transparent portion of the front lenticular half-shell; the lighting assembly being provided with a planar OLED light source which faces the inner surface of the front lenticular half-shell and includes at least one plate-like OLED which emits light in a distributed way from its front and rear faces; and a rear refracting member facing the rear face of the OLED that re-directs light that exits from the rear face of the OLED towards a transverse light passage in the OLED in a direction such that the light can traverse the OLED and exit from the front face of the OLED.
Automotive light (1) wherein the lighting assembly (5) comprising a light-guide plate (6) which extends inside the rear body (2) of the light remaining substantially parallel to the light reference optical axis (A) close up to the front lenticular hemi-shell (3) of the light while arranging its own front side edge (7) facing the strip-shaped transparent or semitransparent portion (4) of the front lenticular hemi-shell (3), and a linear-extending light source (8) which is structured so as to direct the emitted light towards the inside of the light-guide plate (6) through the rear side edge (9) of the same light-guide plate (6); the rear side edge (9) of the light-guide plate (6) having a serrated profile with teeth substantially triangular in shaped, wherein the individual teeth are oriented so that a first inclined edge (13) of the tooth is arranged locally substantially perpendicular to the optical reference axis (A); the light source (8) comprising instead a row of light emitting diodes (12) which face the rear side edge (9) spaced beside to one another, each facing a respective tooth of the rear side edge (9), so as to direct/project the emitted light towards the inside of the light-guide plate (6) through said first inclined edge (13) of the tooth; the lighting assembly (5) finally comprising also a series of optical collimators (15) each of which is interposed between a diode (12) and the corresponding tooth of the rear side edge (9) of the light- guide plate (6), and is structured so as to deflect the light rays (r) emitted by the diode (12) towards the corresponding inclined edge of the tooth (13), collimating said rays in a direction (d1) which is locally substantially parallel to collimation axis (B) substantially coplanar to the light-guide plate (6) and inclined with respect to the optical reference axis (a) of the light by an angle (α) greater than 0°.
Automotive lamp (1) comprising a lighting device (4) comprising a LED lighting circuit (5) designed to generate a luminous flux on the basis of a driving current (IL), a controlling electrical circuit (8) which provides the driving current (IL) on the basis of a reference electrical quantity (Vref ) and of a sensed electrical quantity (Vbin), and a compensating electrical circuit (9), which is configured so as to vary the reference electrical quantity (Vref) by way of a compensation function of the luminous flux (Vref (T) ) predetermined, on the basis of the temperature (T) of the LED lighting circuit (5). The compensating electrical circuit (9) comprising a resistive conditioning electrical device (29) (30) that conditions the compensation function of the luminous flux (Vref (T) ) so as to vary the reference electrical quantity (Vref) in a predetermined way in response to a change in temperature (T).
An automotive light includes a substantially basin-shaped rear body; a front lenticular half-shell arranged to close the mouth of the rear body and includes a ribbon-like, transparent or semitransparent portion; and a first lighting assembly structured to emit light when electricity powered, and arranged within the rear body to backlight the ribbon-like portion of the front lenticular half-shell. The first lighting assembly includes a light-guide plate made of light-conducting material and a linear-extending light source within the rear body next to the light-guide plate, and structured to direct emitted light towards the inside of the light-guide plate. The linear-extending light source includes a row of light-emitting diodes which face the light-guide plate and are placed spaced side-by-side to one another, and a power-supply and control circuit which sequentially turns on the diodes so as to illuminate in sequence an equal number of segments of the light-guide plate.
A lighting device (4) of an automotive light (1) comprising light sources (5) supplied by a drive current (I) and a control device (6) comprising a control stage (9) generating a control signal (CS) on the basis of the difference between the drive current (I) and a predetermined reference current (Iref), and a driving stage (7), which adjust the drive current (I) on the basis of the control signal (CS). The driving stage (7) comprises a voltage stabilizing device, which supplies, in a first operation condition, a stabilized voltage (Vz2) on an intermediate node (41) thereof, a first transistor (36) having a control terminal receiving the control signal (CS); and a second transistor (37) having a control terminal connected to the intermediate node (41) to be set, in the first operation condition, to the predetermined stabilized voltage (Vz2), a first terminal connected to the light source (5), and a second terminal connected to a second terminal of the first transistor (36).
An automotive light is provided that includes a light-guide bar made of photoconductive-material, which is at least partially positioned substantially grazing a corresponding transparent or semitransparent portion of the front lenticular half-shell of the light, and a second light source which is structured so as to emit light when electricity powered, and is arranged inside the rear body, close to one end of the light-guide bar, so as to direct the light produced inside the body of said light-guide bar. The light-guide bar is provided with a longitudinal light-extractor band which extends along the lateral side of the bar, and a multitude of deflector prisms which have an approximately triangle-shaped cross-section and are conveniently arranged along the longitudinal light-extractor band. One or more deflector prisms are shaped so that the active deflector surface has a bulging/arched profile substantially over the whole width of the longitudinal band.
B60Q 1/30 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
An automotive light is provided having a substantially tub-shaped rear casing designed to fit to the vehicle body and a front lenticular half-shell which closes the opening of the rear casing and has at least one portion of transparent or semi-transparent material. The front lenticular half-shell includes a rear portion substantially aligned with the rear of the vehicle body, and a lateral portion substantially aligned with the side of the vehicle body. The automotive light also includes a strip light source designed to emit light when powered electrically and a light guide plate of photoconductive material shaped to substantially match the profile of the strip light source and housed inside the rear casing in a position substantially perpendicular to the rear portion of the front lenticular half-shell. A first side of the plate conducts light from the strip light source into the body of the light guide plate, and a second side of the plate directs light propagating in the light guide plate onto the lenticular half-shell. A transverse light-extracting band is provided to locally extract light onto a lateral portion of the front lenticular half-shell.
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
An automotive light including a substantially basin-shaped rear body structured so to be fixed onto the vehicle body; a front lenticular semi-shell provided with at least one band-like, transparent or semi-transparent portion; and at least a first lighting assembly, which is structured so as to emit light when electrically powered and is arranged so as to backlight the band-like; the first lighting assembly including: a first light-guiding plate made of photoconductive material which extends from the bottom of the rear body up to/close to the front lenticular semi-shell, while remaining perpendicular to the front lenticular semi-shell; and a second light-guiding plate made of photoconductive material, which laterally rests on/is joined with one of the two larger faces of the first light-guiding plate, close to the front lateral side of the same first light-guiding plate, so as to form an L-shaped structure which extends tangentially to the front lenticular semi-shell.
Driver circuit of light sources, particularly of the LED type, comprising a first and at least a second group of light sources, each connected to a common power supply terminal, a first and at least a second regulation circuit, each suitable for regulating the current absorbed by a respective group of light sources, at least one actuation circuit operatively connected to a respective second regulation circuit, and a serial connection circuit, suitable for connecting in series at least a first and a second group of light sources, when the voltage downstream of the first group of light sources is greater than or equal to the voltage upstream of the second group of light sources.
An automotive light including a rear shell which is substantially tub-shaped and is structured so as to be fixed onto the vehicle body; a front lenticular half-shell which is provided with at least one portion made of transparent or semitransparent material, and is arranged to close the mouth of the rear shell; and at least a first main light source which is structured so as to emit light when electricity powered, and is placed within the rear shell in such a position as to backlight a corresponding transparent or semitransparent portion of the front lenticular half-shell; the automotive light further including at least one light-guiding section-bar made of light-conducting material, which is placed on the bottom of a corresponding slot or groove specifically obtained within the rear shell; and at least one auxiliary light source which is structured so as to emit light when electricity powered, and is placed within the rear shell so as to direct the emitted light directly into the body of the light-guiding section-bar; the light-guiding section-bar made of light-conducting material being provided with a cross section substantially circular or elliptic in shape, and with a longitudinal flat bevel facing the bottom of the slot or groove and structured so as to cause the light travelling in the light-guiding section-bar to exit towards the transparent or semitransparent portion of the lenticular half-shell above the light-guiding section-bar.
Light for motor vehicles and the like provided with a lighting device comprising a pair of power supply lines flowed through by a primary supplying current, two or more lighting branches each comprising one or more light sources adapted for being flowed through by a secondary supplying current; and an electronic control circuit configured to determine the secondary current flowing through each lighting branch; limit the primary supplying current to a predetermined minimum value when the secondary current flowing through at least one of said lighting branches is lesser than a predetermined threshold current; control the simultaneous transition of the light sources from a pre-lighting state to a complete-lighting state, when each of the secondary currents flowing through the lighting branches is greater than or equal to the predetermined current threshold.
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
31.
Method for injection moulding of plastic-material lenticular bodies for lights of motor vehicles and similar, and lenticular body for lights of motor vehicles and similar
A method for injection molding of plastic-material lenticular bodies for lights; of motor vehicles and similar, the method comprising the steps of coupling a punch half-mold with a first matrix half-mold so as to define, on the surface of the punch half-mold, a first closed cavity that copies in reverse the shape of the first plastic-material sheet; filling said first cavity with a first plastic polymer in a liquid state, injecting the first plastic polymer in the first cavity from an injection point located at said first segment of the peripheral edge of the first plastic-material sheet; and finally separating, after the first plastic polymer has solidified to form the first plastic-material sheet, the punch half-mold from the first; matrix half-mold maintaining the first plastic-material sheet still on the surface of the punch half-mold.
An automotive light (1) having a substantially tub- shaped rear casing (2) designed to fit to the vehicle body; and a front lenticular half-shell (3), which closes the opening (2a) of the rear casing (2) and has at least one portion of transparent or semitransparent material; the front lenticular half-shell (3) having a rear portion (3a) substantially aligned with the rear of the vehicle body, and a lateral portion (3b) substantially aligned with the side of the vehicle body; the automotive light (1) also having a strip light source (4) designed to emit light when powered electrically, and which is housed inside the rear casing (2) in a position facing the rear portion (3a) of the front lenticular half-shell (3); and a light guide plate (7) of photoconductive material, which is shaped to substantially match the profile of the strip light source (4), and is housed inside the rear casing (2) in a position substantially perpendicular to the rear portion (3a) of the front lenticular half-shell (3), so that a first side (7a) of the plate faces the strip light source (4) to catch and conduct the light from the strip light source (4) into the body of the light guide plate (7), and a second side (7b) of the plate, opposite the first side (7a), faces the rear portion (3a) of the front lenticular half-shell (3) to direct the light propagating in the light guide plate (7) onto the lenticular half-shell (3); the two faces of the light guide plate (7) being designed to conduct to the second side (7b) of the plate the light entering the body of the light guide plate (7) from the first side (7a); and one of the two faces of the plate having a transverse light-extracting band (7c), which extends substantially from the first side (7a) of the plate to the second side (7b) of the plate, and is designed to locally extract the light, propagating in that limited portion of the light guide plate (7), onto the lateral portion (3b) of the front lenticular half- shell (3), so as to form a transverse light strip on the lateral portion (3b) of the front lenticular half-shell (3).
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
Automotive light (1) comprising a light-guide bar (6) made of photoconductive-material, which is at least partially positioned substantially grazing a corresponding transparent or semitransparent portion of the front lenticular half-shell (3) of the light, and a second light source (7) which is structured so as to emit light when electricity powered, and is arranged inside the rear body (2), close to one end of the light- guide bar (6), so as to direct the light produced inside the body of said light-guide bar (6); the light-guide bar (6) being provided with a longitudinal light-extractor band (8) which extends along the lateral side of the bar, and a multitude of- deflector prisms (9) which have an approximately triangle-shaped cross-section and are conveniently arranged along the longitudinal light-extractor band (8); one or more deflector prisms (9) being shaped so that the active deflector surface (9a) has a bulging/arched profile substantially over, the whole width (w) of the longitudinal band (8).
An automotive light (1) comprising a substantially basin-shaped, rear body (2)," which is structured so as to be fixed to the vehicle body, a front lenticular half-shell (3), which is provided with at least one portion made of transparent or semitransparent material and is arranged to close the mouth (2a) of the rear body (2), and at least one main light source (4), which is structured so as to emit light when electricity powered and is arranged within the rear body (2) in a position so as to backlight a corresponding transparent or semitransparent portion of the front lenticular half- shell (3); the automotive light (1) further comprising a light-guide bar (6) made of a photoconductive material, which has a substantially circular- or elliptical-shaped cross-section and is arranged inside the rear body (2), and an auxiliary light source (7), which is arranged within the rear body (2), close to at least one end of the light-guide bar (6), so as to direct the produced light into the body of said light-guide bar (6); said light-guide bar (6) being provided with a substantially flat, longitudinal light-extracting stripe (8), which extends along the lateral side of the light-guide bar (6), and with a multitude of transverse deflecting prisms (9), which are appropriately distributed along the longitudinal light-extracting stripe (8), and with a series of additional transversal deflecting grooves or ridges (10), which are appropriately distributed/spaced apart along the outer curved surface (6a) of the light- guide bar (6), which is immediately adjacent to the longitudinal light-extracting stripe (8) and are profiled so as to divert the light rays which reach the same transversal ridges or grooves (10) towards the corresponding transparent or semitransparent portion of the front lenticular half -shell (3).
An automotive light (1) comprising a rear shell (2) which is substantially tub-shaped and is structured so as to be fixed onto the vehicle body; a front lenticular half-shell (3) which is provided with at least one portion made of transparent or semitransparent material, and is arranged to close the mouth (2a) of the rear shell (2); and at least a first main light source (4) which is structured so as to emit light when electricity powered, and is placed within the rear shell (2) in such a position as to backlight a corresponding transparent or semitransparent portion of the front lenticular half- shell (3); the automotive light (1) further comprising at least one light-guiding section-bar (6) made of light-conducting material, which is placed on the bottom of a corresponding slot or groove (7) specifically obtained within the rear shell (2), right underneath a corresponding transparent or semitransparent portion of the front lenticular half-shell (3); and at least one auxiliary light source (8) which is structured so as to emit light when electricity powered, and is placed within the rear shell (2), close to at least one of the two ends of the light-guiding section-bar (6), so as to direct the emitted light directly into the body of the light-guiding section-bar (6); the light-guiding section-bar (6) made of light-conducting material being provided with a cross section substantially circular or elliptic in shape, and with a longitudinal flat bevel (6a) facing the bottom of the slot or groove (7) and structured so as to cause the light travelling in the light-guiding section-bar (6) to exit towards the transparent or semitransparent portion of the lenticular half-shell (3) above the light-guiding section-bar (6).
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
36.
INCANDESCENT LIGHT-BULB SOCKET AND AUTOMOTIVE LIGHT PROVIDED WITH SUCH A SOCKET
An incandescent light-bulb socket (1) of the type structured to support a light-bulb (2) provided with a glass bulb (3) housing the incandescent filament, and with a connection plug (4) which is placed to close the neck of the glass bulb (3), and is structured so as to be fitted within the socket; said connection plug (4) being provided with a headpiece (4a) housing the terminals of the rheophores which conduct the electric current to the filament, and with a peripheral flange (4b) which overhangly protrudes from the body of the plug (4), between the neck of the glass bulb (3) and the headpiece (4a) of the plug; the incandescent light-bulb socket (1) comprising: a supporting platform (5) which is provided with a coupling seat (5a) shaped so as to accommodate/house the portion of the plug (4) beneath the peripheral flange (4b); electrical connection means (6) placed close to the bottom of the coupling seat (5a), and structured so as to touch the plug headpiece (4a) at the terminals of the rheophores, when the plug (4) is completely inserted into the coupling seat (5a); and a light-bulb retaining member (8) which is placed on the supporting platform (5), substantially at the mouth of the coupling seat (5a), and is structured so as to hook the peripheral plug flange (4b) to prevent the plug (4) from being subsequently extracted from the coupling seat (5a), and so as to continuously exert an elastic traction force on the peripheral flange (4b) of the plug (4) which occupies the coupling seat (5a), which force is directed towards the bottom of the coupling seat (5a).
F21V 19/00 - Fastening of light sources or lamp holders
H01R 33/09 - Two-pole devices with two current-carrying pins, blades, or analogous contacts, having their axes parallel to each other for baseless lamp bulb
Wedge-base bulb socket comprising: a supporting base provided with a coupling seat dimensioned to house the plug of the light bulb; two coupling and connecting members which are located inside the coupling seat, and are structured to separately hold the wedge-shaped plug of the light bulb fitted into the coupling seat, and to feed electric current to said light bulb; two electrically conductive elements which extend on the surface of the supporting base up to the edge of the entrance of the coupling seat, on opposite sides of said entrance, and then descend into the coupling seat up to reach each a respective coupling and connecting member; and two respectively-facing additional supporting jaws which are supported by the two electrically conductive elements so as to be located substantially on opposite sides of the entrance of the coupling seat, and structured to clamp the wedge-base light bulb fitted into the socket, so as to firmly hold said wedge-base light bulb in the wedge-base bulb socket.
An automotive light (1) comprising at least one main light source (4) structured so to emit light when powered with electricity, and a cup-shaped body (3) that houses within itself said main light source (4), and has the inner surface (3i) structured so to direct the produced light towards the mouth (3a) of said cup-shaped focusing body (3); the automotive light (1) further comprising a) a first light-guiding sheet (7) which is made of photoconductive material and extends along the mouth (3a) of the cup-shaped focusing body (3), and a corresponding first auxiliary light source (8) which is arranged facing a side edge of said first light-guiding sheet (7), is structured so to emit light when powered with electricity, and is finally oriented so that the light emitted by the same light source enters inside the body of said first light-guiding sheet (7) through the side edge of the same light-guiding sheet (7); and b) at least one second light-guiding sheet (9) which is made of photoconductive material and extends along the mouth (3a) of the focusing cup-shaped body (3), so as to at least partially overlap with the first light-guiding sheet (7), and a corresponding second auxiliary light source (10) which is arranged facing a side edge of said second light-guiding sheet (9), is structured so to emit light when electricity powered, and is oriented so that the light emitted by the same light source enters inside the body of said second light-guiding sheet (9) through the side edge of the same light-guiding sheet (9); said first (7) and said second light-guiding sheet (9) being both structured so to cause the selective escape of the light produced by said second auxiliary light source (10), through at least one part of its front face.
B60Q 1/26 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
B60Q 1/00 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
Automotive light (1) comprising at least one cup-shaped body (3) that has the inner surface (3i) mirror-finished so as to reflect the incident light towards the mouth (3a) of the main cup-shaped body (3) itself, and at least one light source (4) which is located within the main cup-shaped body (3), and is structured so as to emit light when electricity powered, the inner surface (3i) of the main cup-shaped body (3) being provided with a first decorative optical pattern which is cyclically repeated on said inner surface (3i) with a predetermined spatial periodicity; the automotive light (1) being also provided with at least one additional optical filter (7), which is made of a transparent or semi-transparent material, and is arranged so as to be crossed by the light produced by light source (4); said at least one optical filter (7) being provided with an optical surface which is structured so as to present a second decorative optical pattern which is cyclically repeated with a predetermined spatial periodicity; the shape and/or the spatial periodicity of the decorative optical pattern present on the additional optical filter (7) being different from the shape and/or spatial periodicity of the decorative optical pattern present on the main cup-shaped body (3), and such as to cause, in the light exiting from the main cup-shaped body (3), an interferometric effect with Moiré deterioration that generates a different virtual pattern from the decorative optical patterns present on the main cup-shaped body (3) and the additional optical filter (7).
Light (30) for motor vehicles and the like provided with a lighting device (31) comprising a pair of power supply lines (42, 43) flowed through by a primary supplying current (I1), two or more lighting branches (34) each comprising one or more light sources (37) adapted for being flowed through by a secondary supplying current (I2i); and an electronic control circuit (33) configured to determine the secondary current (I2i) flowing through each lighting branch (34); limit the primary supplying current (I1) to a predetermined minimum value (I1M) when the secondary current (I2) flowing through at least one of said lighting branches (34) is lesser than a predetermined threshold current (Si); control the simultaneous transition of the light sources (37) from a pre-lighting state to a complete-lighting state, when each of the secondary currents (I2i) flowing through the lighting branches (34) is greater than or equal to the predetermined current threshold (Si).
H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
41.
METHOD FOR INJECTION MOULDING OF PLASTIC-MATERIAL LENTICULAR BODIES FOR LIGHTS OF MOTOR VEHICLES AND SIMILAR, AND LENTICULAR BODY FOR LIGHTS OF MOTOR VEHICLES AND SIMILAR
A method for injection moulding of plastic -material lenticular bodies (1) for lights; of motor vehicles and similar, the method comprising the steps of coupling a punch half-mould (15) with a first matrix half-mould (13) so as to define, on the surface of the punch half -mould (15), a first closed cavity that copies in reverse the shape of a first plastic-material sheet (2); filling said first cavity with a first plastic polymer in a liquid state, injecting the first plastic polymer in the first cavity from an injection point located at said first segment of the peripheral edge (2a) of the first plastic-material sheet (2); and finally separating, after the first plastic polymer has solidified to form the first plastic -material sheet (2), the punch half- mould (15) from the first; matrix half -mould (13) maintaining the first plastic-material sheet (2) still on the surface of the punch half -mould (15).
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
(1) Oil filters and air cleaners for motor vehicles.
(2) Switching arrangement for headlights and direction indicators for motor vehicles; electric lighting switches; electric switches.
(3) Headlights; headlamps; flash lights; fog lamps; signalling lights for motor vehicles; lighting fixtures for land, air and water locomotion vehicles.
(4) Direction indicators for motor vehicles; cigar lighters for automobiles; electrical windshield wipers and windshield washers.
