摘要:
An electronic device includes a housing, and a key fixed to the housing. The key comprises a key cap fixed to the housing, a trigger component protruded from a surface of the key cap. The trigger component defines at least one recessed portion, the at least one recessed portion extends from one end of the trigger component away from the key cap to the other end of the trigger component from which the trigger component extends.
摘要:
The present disclosure provides an electronic apparatus for preventing speakers from making unwanted noise. A joint element is fixed on a back cover of the electronic apparatus. Therefore, the back cover is in contact with a screen of the electronic apparatus via the joint element constantly and four elements which are a speaker, a front cover, the back cover, and the screen are directly or indirectly connected with each other to avoid generating resonating points and making unwanted noise from the speaker.
摘要:
A wireless communication device includes a transceiving module, an antenna module, and a switch module. The transceiving module includes a first transceiver and a second transceiver. The antenna module includes at least a first antenna for transmitting electromagnetic signals in a first frequency range. The switch module switches different connections between the antenna module and the transceiving module, and includes a first switch, a second switch, a third switch, a fourth switch, and a first duplexer.
摘要:
An exemplary electronic device includes a shell and a driving module disposed at an inner side of the shell. The driving module has a rotating shaft. The shell defines a recess. The rotating shaft extends through the recess of the shell and is located at a center of the recess. The recess of the shell includes a torus area. The torus area includes an inner side near the rotating shaft, and an outer side far from the rotating shaft. A bottom face of the recess slants gradually and downwardly from the inner side to the outer side of the torus area.
摘要:
An exemplary display unit includes a rear cover, a bracket disposed on the rear cover, a display mounted on the bracket, and a front cover secured to the rear cover to sandwich the display and the bracket between the front cover and the rear cover. The bracket includes a plate supporting the display, a pair of bulges protruding upwardly from two opposite sides of the plate and a pair of tabs extending upwardly from the bulges, respectively. The pair of tabs press against two opposite lateral faces of the display to dissipate static electricity on the display to ground.
摘要:
A portable electronic device includes a circuit board, a heat sink a hinge and a heat dissipating plate. The circuit board is equipped with a heat generating component. The heat sink is for dissipating heat generated by the heat generating component. The heat dissipating plate is pivotably connected to the heat sink by the hinge for helping with the heat dissipation of the heat sink.
摘要:
A printed circuit board assembly (PCBA) includes a printed circuit board (PCB) with through holes, a supporting member standing on the PCB adjacent to the through holes, and an electronic component mounted on the PCB is provided. The electronic component includes a component body and a plurality of conductive leads. Fixing ends of the conductive leads of the electronic component is received in the though hole and electrically and mechanically fixed to the PCB. The component body of the electronic component is supported by the supporting member.
摘要:
An electronic device includes a main body, a hinge assembly, and a decorative cover. The main body includes a holder and a holder cover. The holder cover defines an opening at a lateral side thereof and a first notch at a middle portion of the lateral side communicating with the opening. An elastic arm extends from an inner wall of the holder cover to the opening. The elastic arm defines a receiving hole. The hinge assembly includes a connecting portion inserted in the opening of the main body, and a pivot extending through the first notch for connecting to a display. The decorative cover covers the hinge assembly. The decorative cover includes a projection engaged into the receiving hole of the elastic arm to fixedly mount the decorative cover on the holder cover.
摘要:
An optical disk player includes a main body, a disk tray, and a cover. The main body includes a top surface with a receiving recess defined thereon. The disk tray is received in the receiving recess for reading data written on an optical disk. The cover is configured for covering the receiving recess of the main body. A ring-shaped groove is formed on the top surface of the main body surrounding the receiving recess, and a protrusion is formed on an inner surface of the cover facing the main body, the protrusion is capable of being inserted into the groove when the cover is closed on the top surface of the main body.
摘要:
A speaker assembly includes a base including two receiving holes, a cover mounted on a first surface the base, a speaker, a flexible printed circuit (FPC) attached to a second surface the base opposite to the first surface, and two springs received in the receiving holes. The cover includes a receiving space to receive the speaker. The speaker includes two first pads. The FPC includes two second pads. The springs electrically connect the first pads to the second pads.