An adjustable reading stand includes a base including two bottom plates foldable relative to each other, a resisting edge located on one side of the bottom plates and opposite limit grooves formed on the bottom plates, an butting member set on the bottom plates and providing an accommodating space near the resisting edge, and a positioning member having one side thereof set at the side of the accommodating space far from the resisting edge and an opposite side thereof provided with a retaining side that slides along the surface of the two bottom plates and embedded in any two opposite limit grooves. Thus, the inclination angle of the abutting member on the base can be adjusted, and the two bottom plates, the abutting member and the positioning member can be folded, so as to reduce the volume of the adjustable reading stand for convenient carrying.
adjustable keyboard bracket mechanism includes fixed seat provided with first axle for use as pivot and rotatable second axle; bracket set including first support with one end thereof fastened to the first axle and the second axle and the other end thereof provided with third axle, second support having one end thereof fastened to the second axle and the other end thereof provided with fourth axle and adjustment device set fastened to the third axle and the fourth axle, the adjustment device set including rotating adjustment block having two opposite sides thereof respectively provided with first friction wheels and two mating friction blocks each having inner side thereof provided with second friction wheel for fitting the first friction wheel to form the positioning or rotating adjustment status of the adjustment device set; and connecting seat assembled on the rotating adjustment block opposite to the third axle and the fourth axle.
A47B 21/03 - Tables or desks specially adapted for use at individual computer workstations, e.g. for word processing or other manual data entryTables or desks specially adapted for typingAuxiliary devices for attachment to such tables or desks characterised by adjustable parts, e.g. universally adjustable leaves, arm rests, wrist supports or mouse platforms the parts being horizontally adjustable, e.g. extensible, only
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
A firmware update method for a smart charging device is disclosed. First, firmware of a first board is updated, and the first board then sets work flags to second, third board and fourth boards. The first board queries a firmware version of the second board, and then presets the work flag of a firmware version as false. When the firmware version of the second board is older, the first board sets the work flag as true, and updates the firmware of the second board, and sets the work flag as false. The first board again queries whether the work flag is set as true, when the firmware versions of the second and first boards are the same, the work flag is set as false. According to the above procedures, the firmware of the third and fourth boards is updated, so as to completely update firmware of all boards.
G06F 11/10 - Adding special bits or symbols to the coded information, e.g. parity check, casting out nines or elevens
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
G06F 11/14 - Error detection or correction of the data by redundancy in operation, e.g. by using different operation sequences leading to the same result
An accommodation cabinet with a handtoollessly assembled frame body is disclosed. The accommodation cabinet includes a cabinet body and the frame body. The cabinet body includes a spring clip disposed on a side thereof, and a button protruded on a surface of the spring clip, and a fastening part disposed on the spring clip and around the button. The frame body is mounted on a side of the cabinet body, and the frame body includes a groove configured for insertion of the button, and an engaging part for combining with the fastening part. When a user wants to change the frame body of the cabinet body, the user can press the button to elastically deform the spring clip, so as to disengage the fastening part from the engaging part, and then take out the frame body and assemble different color of other frame body with the cabinet body.
A smart charging device includes a plurality of charging regions, and each charging region includes DC charging sockets disposed therein and configured to charge the mobile electronic devices. The smart charging device includes a to-be-charged device connection detection module, a power detection module, an abnormal detection processing module, a power overload processing module, a periodic alternating charging module, an abnormal charging processing module, a to-be-charged module, a remaining power charging module. These modules can process various conditions of the mobile electronic devices during charging process, so as to take turn to charge the external mobile electronic devices by allocating time to the charging regions, and implement power management mechanism.
A smart charging method can supply a charging device with power, and the charging device includes charging regions disposed inside thereof, and each charging region includes sockets for charging mobile electronic devices. The charging device includes a control circuit to perform automatic charging control on the mobile electronic devices plugged into the charging regions. During process of the automatic charging control, inrush current is filtered out, and when the total current required by at least two charging regions is higher than a maximal current supply value, the at least two charging regions take turn to charge for a first charging period; otherwise, the charging regions satisfying the condition, and remaining charging region can take turn to charge for a second charging period until the mobile electronic devices are fully charged. The smart charging method can filter out inrush current and effectively increase the charging efficiency.
An adjustable lifting support device is disclosed. The adjustable lifting support device includes a base, a lifting rod and an adjusting device. The base includes a placing plate and a connecting part disposed on the placing plate. The lifting rod includes a rod disposed on the connecting part and including teeth arranged longitudinally. The adjusting device includes a connecting holder mounted on the rod, and the bottom of the connecting holder is pivotally connected to an engaging member which is jointed with a linking device. The placing plate can be placed on desktop and a support plate disposed on the connecting part can be adjusted in position. The linking device can be used to drive the engaging member to engage with or separate from the teeth of the lifting rod, so that the connecting holder can be slidably lifted and locked on the rod of the lifting rod.
An adjustable screen lift arm includes a support frame assembly with a frame base, a balance adjustment mechanism including a gear set consisting a drive gear and a sector-like driven gear, a gear rack meshed with the drive gear and a spring connected between the frame base and the driven gear, and a holder block assembly has a holder block body that combined with the gear rack and a first sliding rail, the other side combined with a second sliding rail. When the holder block body is moved vertically, the gear rack rotates the drive gear, causing the driven gear to stretch or compress the spring so that the arm of force is relatively changed to offset the spring force of the spring, enabling the holder block assembly to be freely adjusted to the desired elevation and then automatically positioned.
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
F16H 19/04 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and reciprocating motion comprising a rack
A display screen support device includes a base unit providing an upright shaft and a stop member at the upright shaft, a first support arm including a first pivot-connection device coupled to the upright shaft and supported on the stop member and a first extension device transversely extended from the first pivot-connection device for supporting a display screen, and a second support arm including a second pivot-connection device coupled to the first pivot-connection device and a second extension device transversely extended from the second pivot-connection for supporting another display screen. The second pivot-connection device of the second support arm relative can be biased relative to the first pivot-connection device of the first support arm within a limited angle for allowing adjustment of the relative angular position between the two supported display screens.
F16M 11/00 - Stands or trestles as supports for apparatus or articles placed thereon
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
F16C 11/06 - Ball-jointsOther joints having more than one degree of angular freedom, i.e. universal joints
An adjustable dual-screen monitor stand includes a base member having an upright post, an upper bushing and a lower bushing mounted on the upright post at different elevations, a first cantilever swivel screen mount including a first lower swivel arm, a first upper swivel arm and a first screen holder pivotally coupled to one another and pivotally supported on the upper bushing to hold a first flat display monitor and to allow adjustment of the angular position of the supported first flat display monitor, and a second cantilever swivel screen mount including a second lower swivel arm, a second upper swivel arm and a second screen holder pivotally coupled to one another and pivotally supported on the lower bushing to hold a second flat display monitor and to allow adjustment of the angular position of the supported second flat display monitor.
F16M 11/10 - Means for attachment of apparatusMeans allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
F16M 11/22 - Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
F16M 11/20 - Undercarriages with or without wheels
A47B 97/04 - Easels or stands for blackboards or the like
F16M 11/08 - Means for attachment of apparatusMeans allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis
A47B 97/00 - Furniture or accessories for furniture, not provided for in other groups of this subclass
An adjustable tablet device holder includes a holder body including an arched sliding slot located in the back side and a locating plate extended from the back side adjacent to the arched sliding slot, and an adjustment mechanism including a turnable mounted in the holder body and having a position-limit rod extended out of the arched sliding slot and movable between the two ends of the arched sliding slot to rotate the turnable and lockable to the locating plate by a lock to stop the turntable from rotation and four clamping plates vertically and horizontally mounted in four sides and defining a clamping space for holding a mobile tablet device and movable inwardly and outwardly to adjust the horizontal width and vertical height of the clamping space upon rotation of the turnable.
A USB charging circuit includes a mating hub module including a USB input port for the connection of an external computer and a USB main hub control circuit electrically connected to the USB input port, a power supply module including a power supply device and a synchronization/charge mode switching circuit for detecting the power signal output of the USB input port and outputting a corresponding mode judgment signal, and one or multiple output control units each including a USB charging control circuit electrically connected to the USB main hub control circuit, the power supply device and the synchronization/charge mode switching circuit to receive the outputted data signal, power supply and mode judgment signal and a USB output port for receiving the outputted data signal and power supply from the USB charging control circuit so that connected portable electronic devices can be charged or receive data synchronously.
A support stand includes a mounting assembly mountable on a table top, a suspension arm coupled to a rod member of the mounting assembly to hold a rotary barrel, a swinging arm pivotally connected to the rotary barrel of the suspension arm, a stretcher mounted in a frame bar of the swinging arm and a holder frame assembly coupled to the swinging arm to support an object. The stretcher includes a sleeve coupled to arched sliding slots of the frame bar of the swinging arm by a pivot pin, a connection frame plate pivotally coupled between the pivot pin and a mounting lug at the rotary barrel, a spring member and an adjustment screw assembly mounted in the sleeve for allowing adjustment of the elevation of the supported object with less effort and positive positioning of the supported object after an elevation adjustment.
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