Abstract: A key structure includes a keycap and a connecting member. The keycap has a bottom surface and includes a fixing portion and an elastic arm. The fixing portion is disposed on the bottom surface, and the fixing portion has a connection hole and a first opening communicating with each other. At least one end of the elastic arm connects to a side surface of the fixing portion, and the elastic arm is adjacent to the first opening. The elastic arm has an open end communicating with the opening and a limiting surface toward the bottom surface. The connecting member includes a connection pin, one end of which connects to the connection hole and the other end of which has an extension portion. The connection pin is disposed in the connection hole, and the extension portion is disposed between the bottom surface and the limiting surface.

Abstract: A mouse structure includes a base, a wheel, a shaft, a first and a second plates. The first and the second plates are disposed on the base. The shaft penetrates through an opening defined by a first lower surface and two first upper surfaces of the first plate and an opening defined by two second upper surfaces of the second plate. A first and a second sections of the shaft respectively connect between the first and the second sub-shafts and between the first and the third sub-shafts of the shaft. The first sub-shaft penetrates through the wheel. A distance between the first lower surface and the axis diminishes away from the second plate. A distance between the second upper surfaces diminishes away from the first plate. Profiles of the first and the second sections respectively match with the first lower surface and the second upper surfaces.

Abstract: An image capture device includes an image detector, at least one lens, and an optical filter which optically coupled between the image detector and the lens and having an optical filter film. The optical filter film includes first and second metal oxide layers which are alternately stacked. A first refractive index of the first metal oxide layer is greater than a second refractive index of the second metal oxide layer. The optical filter film has a thickness ranging from 620 nm to 640 nm. A wavelength spectrum corresponding to light transmittance of the optical filter has a first pass band, a second pass band, and a blocking range between the first and second pass bands. A value corresponding to cut-off wavelength of the first pass band is less than 660 nm, and a value corresponding to cut-on wavelength of the second pass band is greater than 830 nm.

Abstract: An electronic system sharing power of a doorbell includes a switch circuit and an electronic device. The first and second connection terminals of the switch circuit are respectively coupled to two doorbell contacts. The second and third connection terminals of the switch circuit are respectively coupled to two ends of a doorbell. Two power terminals of the electronic device are respectively coupled to two switch contacts. A function circuit of the electronic device is coupled between the two power terminals. In a normal mode, the first connection terminal is conducted to the second connection terminal inside the switch circuit, and the two power terminals are disconnected from each other by a doorbell actuating unit of the electronic device. In a ringing mode, the doorbell actuating unit short-circuits the two power terminals, and the first connection terminal is conducted to the third connection terminal inside the switch circuit.

Abstract: A method for assembling a keyswitch device includes: connecting a first covering portion to a surface of a first housing; connecting a second covering portion to a connection base comprising an engaging portion; rotatably engaging the engaging portion with an engaging structure; connecting the engaging structure to the first housing; and fixing a second housing to the first housing such that the first housing and the second housing constitute a recess communicating with the surface, wherein the engaging structure partially protrudes into the recess.

Abstract: A key structure includes a casing, a restoring member and a keycap assembly. The casing has an opening. The restoring member is disposed in the casing. The keycap assembly includes a keycap and a holder. The keycap includes a pressing portion and a central shaft. The pressing portion has a bottom surface. The central shaft connects to the bottom surface. The central shaft has a hemispherical portion adjacent to the bottom surface. The holder is inserted into the casing via the opening and contacts the restoring member. The holder includes a shaft bore. The shaft bore has an arcuate socket. The central shaft passes through the shaft bore and contacts the restoring member, and the hemispherical portion is accommodated in the arcuate socket.

Abstract: A mouse, including a mouse body and a wheel module, is provided. The wheel module includes a first wheel, a second wheel and an axle connecting assembly. The first wheel has a first axle portion, the second wheel has a second axle portion, and the first wheel and the second wheel are respectively rotatably disposed on the mouse body along a same axis of rotation by the first axle portion and the second axle portion. The axle connecting assembly is connected to and in between the first axle portion and the second axle portion, and the first axle portion and the second axle portion rotate relative to each other by the axle connecting assembly.

Abstract: A feeding apparatus, disposed in a detecting room having therein a target object, includes a fixing element, at least one target sensing unit, a rotating element, a driving module, and a control unit. The fixing element includes at least one lens disposed on a sidewall of the fixing element. The lens converges an infrared radiation in the detecting room onto the target sensing unit which then generates a position signal corresponding to the target object. The rotating element is disposed on one side of the fixing element. The rotating element includes a discharge channel. The driving module is connected to the rotating element. The control unit is coupled to the target sensing unit and the driving module to receive a position signal from the target sensing unit and control the driving module to drive the rotating element according to the position signal.

Abstract: An information transmission system is formed by a plurality of input devices for the transmission of an information data, wherein each input device is signally connected to an electronic device. An information transmission method includes the following steps: one of the plurality of input devices receives a connection request from another input device; the input device receiving the connection request creates a wireless communication with the input device that issues the connection request according to the connection request; the input device receiving the connection request receives an information data transmitted by the input device that issues the connection request and transmits the information data to the electronic device connected to the input device that receives the connection request.

Abstract: A mouse, including a mouse body and a wheel module, is provided. The wheel module includes a first wheel, a second wheel and an axle connecting assembly. The first wheel has a first axle portion, the second wheel has a second axle portion, and the first wheel and the second wheel are respectively rotatably disposed on the mouse body along a same axis of rotation by the first axle portion and the second axle portion. The axle connecting assembly is connected to and in between the first axle portion and the second axle portion, and the first axle portion and the second axle portion rotate relative to each other by the axle connecting assembly.

Abstract: A key includes a substrate, a keycap, a connection component, and protruding structures. The connection component includes a first connection member and a second connection member, and the first connection member and the second connection member are between the substrate and the keycap. The protruding structures are disposed on the upper surface of the first connection member and disposed on the upper surface of the second connection member. When the keycap is pressed to a pressed position, the protruding structures on the first connection member and on the second connection member abut against the bottom surface of the keycap, so that a gap is formed between the keycap and the connection component. Therefore, the bottom surface of the keycap does not contact the upper surface of the first connection member and the upper surface of the second connection member so as to prevent from generating keystroke noises.

Abstract: A mouse device includes a casing, a button, a connecting rod assembly, an elastic member, and an optical switch. A pressing block of the button extends into the casing. The connecting rod assembly is disposed in the casing and is rotatably disposed on a shaft base of the casing. The elastic member is disposed in the casing and elastically abuts against the connecting rod assembly, so that the connecting rod assembly abuts against the pressing block to allow the button at an initial position. The optical switch is disposed in the casing and adjacent to the connecting rod assembly. The button can be moved from the initial position to a pressed position relative to the casing so as to drive the connecting rod assembly to rotate, so that the connecting rod assembly is moved relative to the optical switch to trigger the optical switch.

Abstract: A mouse device includes a casing, a button, and an elastic guiding structure. The casing includes a shell plate. The shell plate has a through hole, and the through hole has a hole edge. The button is disposed on the shell plate. The button includes a switch-triggering member, and the switch-triggering member is penetrated through the through hole. The elastic guiding member includes a first elastic bar and a second elastic bar. The first elastic bar is disposed at the hole edge and extends toward the switch-triggering member to have a first free end. The second elastic bar is disposed at the hole edge and extends toward the switch-triggering member to have a second free end. The switch-triggering member is sandwiched between the first free end and the second free end.

Abstract: A mouse device includes a housing, a switch, a button, and a biasing member. The housing has an accommodating space therein. The switch is disposed in the accommodating space. The button covers the housing and includes a pivotal portion and a trigger portion. The pivotal portion is pivotally connected to the housing. The trigger portion extends into the accommodating space. The biasing member is located between the pivotal portion and the trigger portion and forwardly exerts force to the button in a forward-backward axial direction of the mouse device.

Abstract: A keyswitch device includes a connecting member and a keycap. The connecting member has an engaging shaft. The keycap includes a pressing body and a shaft hole structure. The pressing body has a bottom surface. The shaft hole structure is connected to the bottom surface and has an engaging trough and an inlet passage communicated with each other. The engaging shaft is rotatably engaged in the engaging trough. The inlet passage has a first inner wall and a second inner wall opposite and parallel to each other. The first inner wall and the second inner wall are inclined relative to the bottom surface of the pressing body.

Abstract: The present invention discloses a touch pad module, which includes a touch panel, a frame and a linkage assembly. The frame is disposed under the touch panel. The linkage assembly is disposed between the touch panel and the frame. The linkage assembly includes an elastic plate and supporting plate. The elastic plate has a first portion, a second portion and a third portion. The second portion is located between the first portion and the third portion, the first portion is connected to the touch panel, and the third portion is connected to the frame. The supporting plate is correspondingly disposed on the second portion of the elastic plate.

Abstract: A tracking method, an electronic device using the same, and a tracking system using the same are provided. The electronic device includes a wireless communication unit, an azimuth detection unit, a storage unit, and a processing unit. The wireless communication unit detects an external wireless communication signal to generate a current RSSI. The azimuth detection unit detects a current azimuth of the electronic device. The storage unit stores pattern strength indicators and a previous azimuth. The processing unit obtains an RSSI adjustment value according to the current azimuth, the previous azimuth, and the pattern strength indicators, and the processing unit further obtains an RSSI corrected value according to the RSSI adjustment value and the current RSSI.

Abstract: A keyboard includes a base plate, a keycap, and a link bar. The base plate includes a plate body and a linkage structure. The linkage structure is connected to and bended relative to the plate body. A through hole is formed at a connecting edge between the plate body and the linkage structure. The keycap is located over the base plate. The link bar includes a first rod body, a second rod body, and an engaging block. The first rod body is engaged with the keycap. The second rod body is connected to the first rod body and passes through the through hole. The engaging block is connected to an end of the second rod body and blocked by the linkage structure.

Abstract: An electronic device includes a first housing, a second housing, an accommodating space and a lens module. The second housing is connected to the first housing and includes an arc edge. The accommodating space is formed between the first housing and the second housing and includes an arc area having a position corresponding to the arc edge. The lens module is located in the accommodating space, matches the shape of the accommodating space, and includes a bottom case, a side case, a top case, an internal space and a photography unit. The side case is connected to the bottom case and includes an inclined surface area which is provided in the arc area. The top case is connected to the side case and includes a top opening.

Abstract: A monitoring method includes the following operations: capturing depth image data of a predetermined environment and generating estimated distance of an object in the predetermined environment; comparing the depth image data with human body feature; and controlling the depth camera to perform a recording operation when the depth image data conforms to the human body feature and when the estimated distance is less than a first distance threshold, in order to generate video data.