Abstract: The disclosure provides a pre-embedded anti-loosening nut embedded in a plastic component. The pre-embedded anti-loosening nut includes a main body portion and a plurality of radiating portions. The main body portion has a threaded hole. The radiating portions are disposed around a periphery of the main body portion. Each of the radiating portions has a first side and a second side connected with each other. The first side and the second side form a first included angle, and the second side is connected with the first side of another adjacent radiating portion to form a second included angle.

Abstract: A tamper-proof screw includes a main body, a pin body, a ball, and at least one abutting member. A through hole is provided in the main body. The pin body is movably disposed in the through hole. The ball is located in the through hole. The abutting member is located in the through hole and has a connecting end and a free end opposite to each other. The connecting end is disposed on an inner wall of the main body and located between the ball and the free end. The ball is located between the pin body and the abutting member. When the pin body moves in the through hole to push the ball to press against the connecting end of the abutting member, the abutting member pivots around the connecting end to allow the free end to extend outwards from the main body.

Abstract: The disclosure provides a key device including a housing, a soft material layer, and a key component. The housing has at least one first assembly hole. The soft material layer is disposed on the housing and has at least one second assembly hole. The key component includes at least one key body and an elastic frame. The key body is exposed to the housing through the second assembly hole and the first assembly hole correspondingly. The elastic frame is connected with the key body and squeezes the soft material layer. The key device of the disclosure has waterproof and dustproof functions and may effectively reduce the cost.

Abstract: The disclosure provides a key device including a casing, a soft material layer, a key, and an elastic support member. The casing has a first assembly hole. The soft material layer is disposed on the casing and has a second assembly hole. The key presses the soft material layer and is disposed on the casing. The key has a key body, and the key body passes through the second assembly hole and the first assembly hole correspondingly and is exposed to the outside of the casing. The elastic support member is assembled on the key and disposed on the casing, and the elastic support member has a sliding groove. The sliding groove corresponds to the key so that the key is slidably disposed in the sliding groove. The key device of the disclosure has slidable, waterproof, and dustproof functions.

Abstract: An electronic display system and a screen brightness adjusting method thereof are disclosed. The electronic display system includes an electronic display device and a signal connection cable. The electronic display device is electrically connected to a computer system via the signal connection cable, and the signal connection cable can be selectively connected to a mains power supply. The electronic display device comprises a connection port, a control chip, a screen, and a screen brightness adjustment module. After connecting the signal connection cable, the control chip determines whether the signal connection cable is connected to the power supply end to cause the screen brightness adjustment module controls an adjustable maximum brightness of the screen to be equal to a maximum default brightness or lower than the maximum default brightness.

Abstract: The disclosure provides a pre-embedded anti-loosening nut embedded in a plastic component. The pre-embedded anti-loosening nut includes a main body portion and a plurality of radiating portions. The main body portion has a threaded hole. The radiating portions are disposed around a periphery of the main body portion. Each of the radiating portions has a first side and a second side connected with each other. The first side and the second side form a first included angle, and the second side is connected with the first side of another adjacent radiating portion to form a second included angle.

Abstract: A touchpad apparatus includes a housing, a movable member, and a touchpad substrate. The housing includes a first stepped portion provided with a plurality of steps. The steps gradually ascend along a rotation direction around an axis. The movable member is disposed on the housing and is configured to rotate relative to the housing around the axis. The movable member includes a first support portion selectively pressing against one of the plurality of steps. The touchpad substrate is configured to press against one end of the movable member away from the housing. By adjusting a distance between the movable member and the touchpad substrate, a pressing stroke of the touchpad is adjusted, so that a touch force is changed.

Abstract: A touchpad assembly for used in a housing of an electronic device is provided. The touchpad assembly includes: a touchpad and a slider. The touchpad is disposed in the housing, and includes a touch bump. The slider includes a base and a plurality of top abutment surfaces. The slider is slidably disposed in the housing, causing the touch bump to be correspondingly positioned on any of the top abutment surfaces to generate a touch stroke. The plurality of top abutment surfaces is arranged on an upper surface of the base, and there is a height difference between adjacent ones of the top abutment surfaces, causing the touch stroke to increase. An adjustable stroke of a touchpad is implemented, so that an idle stroke is increased when the touch of the touchpad is weak or dead, and the idle stroke is reduced when the touch of the touch panel is intense, thereby achieving a good pressing touch.

Abstract: A connector mounting mechanism includes a base, a power module, a guide buffer module, a first position guide block, a first joint guide block, a second position guide block, and a second joint guide block. The first position guide block is connected with the power module and movably received in the guide buffer module. The first joint guide block is disposed on the guide buffer module and connected with the power module, and is configured to fix a first connector. The second joint guide block is disposed at the second position guide block and configured to fix a second connector. The power module drives the first joint guide block to be plugged into the second joint guide block after driving the first position guide block to be guided into the second position guide block.

Abstract: A cushioning apparatus includes a first connecting block, a second connecting block, a first cushioning block, a second cushioning block, a third cushioning block, and a fourth cushioning block. An outer end portion of the first cushioning block is fixedly connected to the first connecting block. An outer end portion of the second cushioning block is fixedly connected to the second connecting block. A top surface of an outer end portion of the third cushioning block is connected to a top surface of the first connecting block in a flippable manner. A top surface of an outer end portion of the fourth cushioning block is connected to a top surface of the second connecting block in a flippable manner.

Abstract: The present invention provides a tray including a body. The body includes an outer edge surface, a center hole, a plurality of inner cutting grooves, and a plurality of outer cutting grooves. The center hole penetrates a center of the body to form an inner edge surface spaced apart from the outer edge surface. The inner cutting grooves are formed on the body and they extend from the inner edge surface to the outer edge surface, respectively. The outer cutting grooves are formed on the body and are respectively disposed between the inner cutting grooves, and the outer cutting grooves extend from the outer edge surface to the center hole, respectively. The body can be stretched along the inner cutting grooves and the outer cutting grooves to make a space formed by the center hole and the inner cutting grooves larger and to change an area of the body.

Abstract: The present disclosure provides a hard disk assembly device for assembling a hard disk into a case. Two opposite sides of the hard disk respectively have at least one first positioning portion and at least one second positioning portion. The hard disk assembly device includes a flexible fixing frame and a fixing bracket. One side of the flexible fixing frame includes at least one third positioning portion and at least one first guiding portion, and the other side of the flexible fixing frame includes at least one fourth positioning portion, a draw tape, and two fastening portions. The two fastening portions are respectively correspondingly connected with two ends of the draw tape. The hard disk is fixed in the flexible fixing frame. The flexible fixing frame is fixed to the fixing bracket.

Abstract: The present disclosure provides a hard disk assembly device for assembling a hard disk into a case. Two opposite sides of the hard disk respectively have at least one first positioning portion and at least one second positioning portion. The hard disk assembly device includes a flexible fixing frame and a fixing bracket. One side of the flexible fixing frame includes at least one third positioning portion and at least one first guiding portion, and the other side of the flexible fixing frame includes at least one fourth positioning portion, a draw tape, and two fastening portions. The two fastening portions are respectively correspondingly connected with two ends of the draw tape. The hard disk is fixed in the flexible fixing frame. The flexible fixing frame is fixed to the fixing bracket.

Abstract: The present invention provides a portable electronic device including a body, a first connector, a display screen, and an input module. The body has an accommodation space and a door panel capable of exposing or covering the accommodation space. The first connector is disposed in the accommodation space. The display screen is connected to the body and is capable of being closed or opened relative to the body. The input module is detachably accommodated in the accommodation space. The input module has a second connector. The second connector is configured to be electrically connected to the first connector. The input module operates in a first mode when being accommodated in the accommodation space. The input module operates in a second mode after being taken out from the accommodation space.

Abstract: The present invention provides a portable electronic device including a body, a first connector, a display screen, and an input module. The body has an accommodation space and a door panel capable of exposing or covering the accommodation space. The first connector is disposed in the accommodation space. The display screen is connected to the body and is capable of being closed or opened relative to the body. The input module is detachably accommodated in the accommodation space. The input module has a second connector. The second connector is configured to be electrically connected to the first connector. The input module operates in a first mode when being accommodated in the accommodation space. The input module operates in a second mode after being taken out from the accommodation space.

Abstract: Provided is an apparatus with automatic belt tensioning. A winding seat includes a first gear and a winding portion fixed at the first gear. A belt is windable around the winding portion, and the first elastic element is connected with the winding portion thus to wind the belt around the winding portion. A rotation preventing element includes a protrusion. When the protrusion retains the first gear, the winding portion is locked to prevent the belt being wound. When the belt is pulled, it drives the protrusion to be separated from the first gear and drives the winding portion to rotate. When the belt is released and the winding speed of the belt is decreased to a certain degree, the protrusion retains the first gear to prevent the belt being wound.

Abstract: An electronic device connects to an external host. The electronic device is configured to execute a first operating system and the external host is configured to execute a second operating system. The electronic device comprises a display switching unit, a switch unit and a power unit. The display switching unit is capable of receiving an external display signal from the external host to output a first switching signal. The switch unit is coupled to the display switching unit to output a first voltage control signal according to the first switching signal. The power unit is coupled to the switch unit to output a first voltage to the display switching unit according to the first voltage control signal to cause the electronic device to keep displaying the user interface of the second operating system.

Abstract: An electronic device opened by magnetic force includes a bottom cover, a top cover, at least one engaging module, a conductive logo, and at least one electromagnet. The top cover is capable of being opened and closed relative to the bottom cover. The top cover has a first engaging portion. The engaging module is disposed at the bottom cover and has a magnetic attraction portion, an elastic element and a second engaging portion. When the conductive logo is electrified, the electromagnet generates magnetism for attracting the magnetic attraction portion to drive the second engaging portion to be separated from the first engaging portion thus deforming the elastic element to allow the top cover to be opened. When the conductive logo is stopped from being electrified, the elastic element is restored to allow the second engaging portion to return to the original position.

Abstract: An angle adjustable connecting module comprises a casing and a connecting assembly. The casing has an opening. The connecting assembly includes a connecting portion, a shaft and at least an elastic member. The connecting portion is connected with the shaft, an end of the elastic member is connected with the shaft and the other end of the elastic member is connected with the casing, and the shaft is rotatably disposed at the casing for allowing a part of the connecting portion to be movably exposed to the opening. Thus, the wear problem generated as connecting with the game controller can be reduced for ensuring that the functions are normally operated to extend the lifetime of the game controller.

Abstract: The present invention discloses a tablet computer and a method for controlling the same. The method includes steps of receiving a first video signal outputted from an external device; converting the first video signal into a first low voltage differential signal; receiving a second video signal outputted from a processor; converting the second video signal into a second low voltage differential signal; making the tablet computer selectively operate in a tablet computer mode or an external device mode; outputting the second low voltage differential signal to a display module to display corresponding data when the tablet computer operates in the tablet computer mode; and outputting the first low voltage differential signal to the display module to display corresponding data when the tablet computer operates in the external device mode.