Abstract: The disclosure provides a keyboard includes a bottom plate, a key unit and a shielding layer. The bottom plate includes a body part and a through hole. The key unit is disposed on the body part. The shielding layer covers a portion of the bottom plate and comprising a main part disposed on the body part and an extension part extending from the main part toward the through hole, wherein the extension part has a hole with a size larger than or substantially equal to a size of the through hole.

Abstract: The invention provides an input device, including: a substrate, including at least one connecting portion and at least one limiting portion; at least one key, including at least one first engagement portion and at least one second engagement portion located on two opposite sides, where the first engagement portion is in contact with the connecting portion, so that the key can rotate relative to the substrate by taking the connecting portion as a rotation center, and the second engagement portion faces the limiting portion and is spaced apart from the limiting portion; and a buffer unit, disposed on at least one of two surfaces of the limiting portion and the second engagement portion facing each other. By disposing the buffer unit, noise generated due to the collision between the second engagement portion and the limiting portion can be decreased.

Abstract: A method for recognizing a gesture and gesture sensing apparatus are provided. When movement of an object is detected, a first energy sequence and a second energy sequence are generated. Then, whether signal patterns of the first energy sequence and the second energy sequence match is determined. After determining that the signal patterns of the first energy sequence match that of the second energy sequence, the first energy sequence and the second energy sequence are analyzed to obtain a corresponding gesture event.

Abstract: A light distribution module configured to control a light distribution of a light source is provided. The light distribution module includes a lens and an optical cover. The lens has a first light-incident surface, a first light-emitting surface opposite to the first light-incident surface, and an accommodating recess located at a side of the first light-incident surface, wherein the accommodating recess is configured to contain the light source. The optical cover covers the lens and has a second light-incident surface and a second light-emitting surface opposite to the second light-incident surface, wherein the second light-incident surface is located between the first light-emitting surface and the second light-emitting surface, and the second light-incident surface has a plurality of sub-curved surfaces. Boundaries between adjacent sub-curved surfaces are bent-shaped with respect to the adjacent sub-curved surfaces.

Abstract: The invention provides a keyboard module and a keyboard device. The keyboard module includes a circuit assembly, a plurality of key assemblies, and at least one microphone. The circuit assembly has a signal output interface. The key assemblies are configured on the circuit assembly, and each key assembly is adapted to be pressed to drive the circuit assembly to generate a tapping signal. The microphone is electrically connected to the circuit assembly. The tapping signal and a sound signal generated by the microphone are respectively transmitted out of the keyboard module through the signal output interface.

Abstract: An input device including a bracket, key caps and a black light module is provided. The key caps are disposed on the bracket. The backlight module is disposed under the bracket, and includes a light guide plate, a light source and a shading plate. The light guide plate includes diffusing elements arranged at a position corresponding to an opening of the bracket. The light source is disposed on a side of the light guide plate. The shading plate is disposed on the light guide plate, and includes a transparent sheet, an opaque layer and a translucent coating. The opaque layer is disposed on the transparent sheet correspondingly between two adjacent key caps, and the translucent coating overlaps a portion of the opaque layer on the transparent sheet.

Abstract: A transistor heat dissipation module is adapted for at least one transistor. The transistor heat dissipation module includes a heat dissipation member and an elastic member. The heat dissipation member includes a first wall and a second wall opposite to each other and a first connecting member connected to the first wall and the second wall. An accommodating space is formed between the first wall and the second wall. The transistor is disposed in the accommodating space. The elastic member is disposed in the accommodating space and is located between the at least one transistor and the first wall to press the at least one transistor against the second wall. An assembly method of a transistor heat dissipation module is further provided.

Abstract: A shell structure including a shell, a baffle plate, and a positioning member is provided. The shell has a first surface, a second surface opposite to the first surface, and an expansion opening and a first mounting hole penetrating the first and second surfaces. The baffle plate is detachably mounted to the shell and includes a body portion located in the expansion opening and a side wing portion located outside the expansion opening and in contact with the second surface. The side wing portion includes a second mounting hole overlapped with the first mounting hole. The positioning member passes through the first and second mounting holes, and includes a first positioning portion in contact with the first surface and a second positioning portion passing through the second mounting hole. A maximum outer diameter of the second positioning portion is greater than an inner diameter of the second mounting hole.

Abstract: A surge protection device includes a surge protection circuit, a controller, and a wireless module. The surge protection circuit has a plurality of surge protection elements, receives a power source and correspondingly generates a sampling signal according to the power source. The controller compares a representative voltage value of the power source corresponding to the sampling signal with a first reference value to determine a using state of the surge protection circuit. The wireless module correspondingly transmits the using state to a remote server.

Abstract: The invention provides a light guide structure, adapted to be disposed under a baseplate of a keyboard module. The light guide structure includes: a light guide plate, a mask layer and a reflective layer. The light guide plate includes a first surface, a second surface opposite to the first surface, and a first opening running through the first and second surfaces. The mask layer is located between the baseplate and the light guide plate, and includes a second opening corresponding to the first opening. The reflective layer includes a first part and a second part connected to each other, wherein the first part is disposed on the second surface of the light guide plate, and the second part runs through the first opening and is disposed on a lower surface of the baseplate. The invention further provides a light-emitting keyboard device.

Abstract: A street lamp control device and a street lamp control method are provided. The street lamp control device includes a control node, a voltage dividing circuit, and a microprocessor. The control node is configured to provide an input voltage. The voltage dividing circuit is configured to receive the input voltage and perform a voltage dividing operation on the input voltage to generate an operating voltage. The microprocessor is configured to receive the operating voltage and generate a plurality of control signals according to the voltage value of the operating voltage. The control signals are respectively used to drive a plurality of light-emitting element groups of the street lamp, thereby adjusting at least one of a light shape and a color temperature of the street lamp.

Abstract: A method for backing up and restoring a disc management information is disclosed. Firstly, a specified optical disc is loaded into an optical disc drive. After a servo calibration process is performed, the latest update of the disc management information is read from a specified optical disc. If the latest update of the disc management information is read successfully, the optical disc drive enters a normal working state. If the latest update of the disc management information is not read successfully, the latest update of the disc management information is acquired through a processing circuit. Consequently, the optical disc drive enters the normal working state. While the normal working state of the optical disc drive is terminated, the latest update of the disc management information is transmitted to the processing circuit and recorded into the storage device.

Abstract: The disclosure provides a positioning member includes a bottom plate and a shielding layer. The bottom plate includes a body part and a protruding part. The body part has a connection part. The protruding part has a through hole. The body part is upwardly connected to the protruding part through the connection part, such that the body part, the connection part and the protruding part jointly enclose an accommodating space below the through hole. An joint member having a stud and a head connected to the stud, wherein the stud passes through the through hole to be fixed in the accommodating space via the head. The shielding layer is disposed on the body part, partly extending to the through hole of the protruding part to shield the protruding part exposed by the joint member. A keyboard is further provided.

Abstract: A roller wheel module includes a roller wheel, an elastic member, and an adjustment assembly. The roller wheel includes a ratchet structure and has a configuration surface. The configuration surface is divided into a blank region and a ratchet region. The ratchet structure is disposed on the configuration surface and is located in the ratchet region. The elastic member is disposed next to the roller wheel and has a first end and a second end opposite to each other. The first end of the elastic member is connected to the adjustment assembly, and the adjustment assembly drives the second end of the elastic member to move between the blank region and the ratchet region. The roller wheel module allows the user to switch between a ratchet rotating mode and a smooth rolling mode according to requirements, and allows the user to quickly scrolling and have a better touch feel.

Abstract: A server includes a first server unit, a second server unit, a hinge and a connecting element. The second server unit is disposed on the first server unit and is electrically connected to the first server unit. The second server unit is pivoted to the first server unit through the hinge. The connecting element is disposed between the first server unit and the second server unit. The connecting element has a first connection end and a second connection end, wherein the first connection end is connected to the first server unit, and the second connection end is connected to the second server unit. A server system including a rack and at least one server is also provided.

Abstract: The present invention provides a touch control device, including a cover plate, a circuit board, an elastic sheet body and a bracket. The circuit board is fixedly arranged below the cover plate. The circuit board is provided with a triggering region located on a bottom surface. The elastic sheet body is arranged under the circuit board and corresponds to the triggering region. The bracket is disposed below the circuit board. The bracket is provided with a first side and a second side which are opposite and a middle region located on the second side and further comprises two cantilevers which are located at both sides of the middle region of the second side and extend towards opposite directions. The elastic sheet body is in contact with the middle region. The end of each cantilever is provided with an abutting-joint structure and is in contact with the circuit board by the abutting-joint structure.

Abstract: A keyboard device and an operating method thereof are provided. The keyboard device includes a microcontroller, a drive circuit, a backlight module, and a plurality of key units. The microcontroller is coupled to a computer device. A detection module of the computer device detects an input mode of the computer device. The plurality of key units is disposed on the backlight module. The plurality of key units each has a plurality of character symbols corresponding to different input modes. The microcontroller outputs a control signal to the drive circuit according to the input mode. The drive circuit drives the backlight module according to the control signal to selectively illuminate one of the plurality of character symbols of each of at least a portion of the plurality of key units.

Abstract: A power transformer including at least one primary side conductive piece, at least one secondary side conductive piece, a first conductive strip pin, a second conductive strip pin and an iron core set is provided. The at least one secondary side conductive piece is stacked to the at least one primary side conductive piece along an axis. The first conductive strip pin and the second conductive strip pin extend from the at least one secondary side conductive piece, and are bent and extend along the axis. The iron core set is coupled to the at least one primary side conductive piece and the at least one secondary side conductive piece. A circuit board module is further provided.

Abstract: The disclosure provides a backlight module and an input device, wherein the backlight module is adapted to be arranged under a bracket of the input device. The backlight module includes a reflector, a light guide plate, a light source, and a shading plate. The light guide plate is disposed on the reflector and includes a plurality of diffusing elements. The light source is located on a light incident side of the light guide plate. The shading plate is disposed on the light guide plate. The shading plate has a shading area and a translucent area. The diffusing elements are arranged corresponding to the translucent area, wherein a transmittance of the translucent area is greater than a transmittance of the shading area. The scattering or diffusing particles are arranged in the translucent area.

Abstract: A backlight module includes a reflection layer, a light guide plate and a mask layer. The light guide plate is disposed on the reflection layer and includes a light guide body, a first and a second opening structures. The first opening structure including a first closed end, the first closed end has two first branches. The second opening structure includes a second closed end, the first closed end and the second closed end face each other, at least one of the two first branches of the first closed end partially overlaps the second closed end along a first axis, the two first branches are located on two sides of the second closed end along a second axis, and the first axis is perpendicular to the second axis. The light guide plate is disposed between the reflection layer and the mask layer.