A system for tracking performers on a show stage, includes: a plurality of projectors, at least one motorized yoke with direct axial drive for the support and the omnidirectional movement of an assembly including: an image acquisition assembly formed of color and neuromorphic cameras having a common objective lens, a dichroic mirror, an image processing module to receive, from the neuromorphic camera, event-related images of the performers in order to determine their coordinates and to receive, from the color camera, visible images of these performers allowing them to be identified, and a display screen to display a visible image of each of the performers obtained by the color camera and to allow the assignment by an operator at a control terminal or a media server of the determined projectors to identified performers on the stage, to ensure automatic tracking by the projectors of the respective movements of these identified performers.
H04N 23/61 - Control of cameras or camera modules based on recognised objects
H04N 9/31 - Projection devices for colour picture display
H04N 13/221 - Image signal generators using stereoscopic image cameras using a single 2D image sensor using the relative movement between cameras and objects
A motorized bracket is intended to receive, in a support, a video projector and having a base, a first arm and a second arm. The first arm is connected to the base at a first motorized rotation axis. The second arm is connected to the first arm at a second motorized rotation axis and the second arm is connected to the support at a third motorized rotation axis. The motorized rotation axes each consist of a motor coupled to a geared motor assembly in direct engagement with the arm or the support that is to be controlled.
G03B 21/14 - Projectors or projection-type viewersAccessories therefor Details
F16M 11/08 - Means for attachment of apparatusMeans allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis
F16M 11/18 - Heads with mechanism for moving the apparatus relatively to the stand
F16M 11/20 - Undercarriages with or without wheels
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 11/33 - Drive circuits, e.g. power electronics
3.
SYSTEM FOR FOLLOWING ACTORS ON AT LEAST ONE PERFORMANCE STAGE
The invention relates to a system for following actors on a performance stage, comprising: ? - a plurality of projectors (22A-22F), ? - at least one motorised yoke (24, 26) having direct axial drive for the support and omnidirectional movement of an assembly comprising: ? - an image acquisition assembly formed of colour and neuromorphic cameras having a common lens, ? - a dichroic mirror, ? - an image processing module (28, 32) for receiving, from the neuromorphic camera, event-related images of the actors in order to determine the coordinates of said actors and for receiving, from the colour camera, visible images of these actors making it possible, if necessary, to identify them, and ? - a viewing screen (28A) for displaying a visible image of each of the actors obtained by the colour camera and for enabling the assignment, by an operator at a control terminal (30) or a media server (32), of the determined projectors to actors identified on the stage, in order to ensure that the projectors automatically follow the respective movements of these identified actors.
G01S 3/786 - Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
H05B 47/125 - Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using cameras
4.
SYSTEM FOR FOLLOWING ACTORS ON AT LEAST ONE PERFORMANCE STAGE
The invention relates to a system for following actors on a performance stage, comprising: • - a plurality of projectors (22A-22F), • - at least one motorised yoke (24, 26) having direct axial drive for the support and omnidirectional movement of an assembly comprising: • - an image acquisition assembly formed of colour and neuromorphic cameras having a common lens, • - a dichroic mirror, • - an image processing module (28, 32) for receiving, from the neuromorphic camera, event-related images of the actors in order to determine the coordinates of said actors and for receiving, from the colour camera, visible images of these actors making it possible, if necessary, to identify them, and • - a viewing screen (28A) for displaying a visible image of each of the actors obtained by the colour camera and for enabling the assignment, by an operator at a control terminal (30) or a media server (32), of the determined projectors to actors identified on the stage, in order to ensure that the projectors automatically follow the respective movements of these identified actors.
H04N 5/232 - Devices for controlling television cameras, e.g. remote control
G01S 3/786 - Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
H04N 5/335 - Transforming light or analogous information into electric information using solid-state image sensors [SSIS]
H05B 47/125 - Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using cameras
Motorized bracket intended to receive, in a support (102), a video projector and having a base (100), a first arm (104) and a second arm (106), the first arm being connected to the base (100) at a first motorized rotation spindle (108), the second arm being connected to the first arm at a second motorized rotation spindle (110) and the second arm is connected to the support (102) at a third motorized rotation spindle (112), the motorized rotation spindles each consisting of a motor coupled to a geared motor assembly in direct engagement with the arm or the support that is to be controlled.
Motorized bracket intended to receive, in a support (102), a video projector and having a base (100), a first arm (104) and a second arm (106), the first arm being connected to the base (100) at a first motorized rotation spindle (108), the second arm being connected to the first arm at a second motorized rotation spindle (110) and the second arm is connected to the support (102) at a third motorized rotation spindle (112), the motorized rotation spindles each consisting of a motor coupled to a geared motor assembly in direct engagement with the arm or the support that is to be controlled.
A projector comprising a plurality of laser light sources (12) and a projection engine (14) fitted in the entrance of an integrating tunnel (148) in which these laser light sources are connected in an offset manner to the projection engine through a bundle of optical fibres (16) comprising a plurality of inputs and a single output, the bundle of fibres being fused at each of the inputs and the single output in order to eliminate the inter-fibre spaces, the inputs, fused in this way, of the bundle of fibres, being arranged at the focal planes of the outputs of the laser light sources and the single output, fused in this way, of the bundle of fibres, being placed in direct contact with the integrating tunnel via a homogenising plate (20).
In a projector of light including a laser-diode module (16) able to form a light tube of given size and colour from the parallel light beams of each of the laser diodes of this module, provision is made in a housing that is impermeable to light for an optical system (18) consisting of an off-axis parabolic mirror for receiving the light tube and focusing it after reflection in a perpendicular direction on the entrance of a single exit optical fibre (20) of the housing.
A projector comprising a light source having at least first (22), second (24) and third (26) diode arrays supplying respectively at least first (CL1), second (CL2) and third (CL3) light guides separated by wavelength and determined dimensions, comprises a first dichroic sheet (60) forming a first combined light guide (CLC1) from said first and second light guides, a second dichroic sheet (62) forming a second combined light guide (CLC2) from said first combined light guide and said third light guide, and an off-axis parabolic mirror (54) for receiving the second combined light guide (CLC2) and focusing same at a determined focal point suitable for forming an input point for a single optical fibre (30).
In a diode lighting module (10) comprising an array of diodes (12) mounted on a support plate (14) and heat dissipation means for dissipating heat released by the diode array, a metal plate (22) is provided, an external face of which is in contact with said support plate and an internal face supports a metallic honeycomb foam (24) comprising a plurality of graded holes (24A) crossing each honeycomb cell in two perpendicular directions and a housing (26) forming a vessel, filled with the metallic honeycomb foam and for which the metal plate constitutes the cover, the housing comprising inlet and outlet openings crossing the housing in order to receive a cooling liquid and a separator (28) defining, in the metallic honeycomb foam, two separate circulation regions for the cooling fluid, one region for the inflow of the cooling fluid and one region for the back-flow of the cooling fluid, the passage from one region to the other taking place at a cut-out (28A) in the separator.
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