Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A dual-use footrest is disclosed. The dual-use footrest comprises a bottom frame and a flip frame. The bottom frame includes a shaft part disposed at a side of the two side plates, and a support disposed a side of the shaft part, and the flip frame includes a shaft coupling part disposed at a side of the two side frames and pivotally connected to the shaft part, and a pedal part disposed on a side of the shaft coupling part. When the back surface of the flip frame is abutted on the bottom frame, the user with the sitting posture can step on the pedal part; and, when the flip frame is outwardly flipped about the shaft coupling part and the shaft part, to abut on the support of the bottom frame by the top surface thereof, the user with the standing posture can step on the footrest.

Abstract: 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.

Abstract: An elevation-adjustable display screen support arm includes arm shaft with box-like shaft body, balance adjustment mechanism accommodated in box-like shaft body and including gear train, first sliding tooth rack, second sliding tooth rack and tension spring, and display screen mounting head including body block, first guideway, second guideway and connection panel. When adjusting the elevation of the supported display screen, body block is driven to move first sliding tooth rack in rotating gear train, causing gear train to move second sliding tooth rack in driving actuating plate to stretch or compress tension spring, and thus, rotation of gear train causes tension spring to provide a corresponding torque that is acted upon first sliding tooth rack to control upward or downward movement of display screen mounting head and supported display screen in stepless manner.

Abstract: A charging cabinet includes a housing including a plurality of horizontal storage chambers for storing mobile electronic devices, a mounting chamber at a back side relative to the horizontal storage chambers, a plurality of flip covers pivotally mounted at a front panel thereof and biasable to close/open the respective horizontal storage chambers and clocks for locking the respective flip covers, and a power supply unit including a power input module mounted at a back panel of the housing and electrically connectable to an external power source for power input, and a power socket module and an expansion module respectively electrically connected to the power input module with respective power jacks and respective USB connectors thereof arranged at different elevations to face toward the respective horizontal storage chambers for the connection of the respective storage mobile electronic device for charging.

Abstract: An adjustable desktop assembly includes a base frame having two inwardly tilted sliding plates at two opposite lateral sides thereof and a mounting unit at a rear side thereof for fastened to an external support frame assembly, an adjustment mechanism including a sliding base coupled to the bottom side of the base frame and an adjustment unit, two clamping plates bilaterally mounted in the sliding base, a lead screw mounted in the adjustment unit, and a pressure block affixed to the lead screw and movable with the lead screw between a locking position where the pressure block is abutted against an abutment block of the adjustment unit to lock a desktop to the base frame and an unlocking position where the pressure block is released from the abutment block for allowing adjustment of the forward and backward position of the desktop relative to the base frame.

Abstract: A single lever-operated height-adjustable table includes a table top with two bottom guide rails, a base plate, a linkage system including two scissors linkages, two pairs of coupling rods pivotally coupled between the scissors linkages and the base plate and loaded with torsion springs and sliding roller sets respectively pivotally connected to the scissors linkages by respective pivot bolts and rotatably movably mounted in the guide rails, and a lifting control system for controlling lifting of the table top through one single operating lever.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A supporting rack includes two one-piece supporting foot members each including an upright base panel and a bearing panel perpendicularly extended from the top side of the upright base panel, a clamping panel outwardly extended from the bottom side of the upright base panel of one one-piece supporting foot member for holding a mobile electronic device, a tabletop mounted on the bearing panels of the two one-piece supporting foot members in a replaceable manner and defining with the two one-piece supporting foot members an accommodation chamber for accommodating computer peripheral apparatuses, and an electronic expansion box detachably mounted at the upright base panel of one one-piece supporting foot member within the accommodation chamber for connecting multiple computer peripheral apparatuses to a computer or server.

Abstract: A supporting rack includes two foot members each including a hollow foot member body, a foot member cover covering the hollow foot member body and two binding members bilaterally and detachably fastened to the hollow foot member body to secure the foot member cover in place, two support members vertically adjustably mounted on the respective foot members and locked by the respective binding members, a tabletop detachably supported on the support members and adjustable with the support members relative to the foot members to the desired elevation and defining a receiving space between the two foot members beneath the bottom wall thereof for accommodating computer keyboard, mouse or other peripheral devices.

Abstract: An adjustable device holder includes a holder base including a bottom panel, a cover panel covering the bottom panel, two parallel sliding grooves located on the bottom panel and a shaft column located at the bottom panel between the sliding grooves, and an adjustment module including two adjustment plates slidably coupled to the sliding grooves and having a respective integrated tooth rack, two clamping members respectively pivotally connected to the adjustment plates for holding a mobile electronic device therebetween and a rotating wheel coupled to the shaft column of the holder base and having an integrated external ring gear meshed between the tooth racks of the adjustment plates.