The disclosure is directed to a PMF-transceiver (1) comprising a housing (2) with a recess (5) in which a printed circuit board (6) is arranged. The printed circuit board (6) comprises at least one radiating element (7) being in a mounted position inter-connected to a thereto related PMF-cable (18) by a PMF-interposer (13) arranged 5 between the printed circuit board (6) and the PMF-cable (18) and comprising a main body (14) arranged in a cavity (17) in the housing (2). The PMF-interposer (13) extends between the radiating element (7) and the PMF-cable (19).

An electronic device and a wearable electronic device are provided in implementations of the disclosure. The electronic device includes a housing frame, a button assembly, and a circuit assembly. The housing frame has an inner cavity and a first through hole. The first through hole communicates with the inner cavity and an external space outside the housing frame. The button assembly includes a first conductive member and a second conductive member. The first conductive member is connected to the housing frame and at least partially in the external space. The second conductive member is at least partially in the first through hole. The first conductive member elastically abuts against the second conductive member, so that the first conductive member is in electrical communication with the second conductive member. The circuit assembly is disposed in the inner cavity.

A constant-current controller that supplies a constant-current to a solenoid driver for use with an electromechanical device. The controller comprises a PCB containing a constant-current control circuit. The circuit comprises a GaNFET primary switch and a secondary switch. The PCB is integrated with and made a part of the solenoid driver. A standard electromechanical device may be converted to a constant-current controlled electromechanical device by exchanging the solenoid driver.

A wall-plate system having a wall-plate adapted to accommodate a printed circuit board assembly (PCBA) coupled with the wall-plate and may comprise a mounting bracket. The PCBA may include one or more chip packages and/or other components that extend into cavities in the mounting bracket after installation, the cavities located on the mounting bracket to accommodate chip packages and/or other components. The wall-plate may include snaps to couple with the mounting bracket, the snaps extending from an interior surface of the wall-plate, the snaps located away from edges of the wall-plate towards a center of the wall-plate. The mounting bracket may comprise openings to couple with a device in a junction box and/or with the junction box. The wall-plate may comprise, e.g., one or more battery mounts and the mounting bracket may have a shape to accommodate extension by the battery mounts into a plane of the mounting bracket.

This application provides a voltage sampler and a solid-state transformer. The voltage sampler includes a conductive housing, at least one sampling board located inside the housing, and a conducting layer. Each sampling board includes at least two resistors and a voltage input end. The resistors in the sampling board are electrically connected in sequence in the direction from a first end to a second end. The resistor at the first end is electrically connected to the voltage input end. The resistor at the second end is electrically connected to the housing, and the housing is electrically connected to a fixed potential end. The conducting layer is disposed between the at least one sampling board and the housing in the voltage sampler. The conducting layer is electrically connected to a resistor in the sampling board.

A remote key device includes a housing including a first waterproof compartment and two second waterproof compartments spaced from front and rear ends of the first waterproof compartment respectively; two floats disposed in the second waterproof compartments respectively; and a PCB disposed in the first waterproof compartment. There are further provided with a first space disposed between the first waterproof compartment and one of the second waterproof compartments, and a second space disposed between the first waterproof compartment and the other second waterproof compartment. There are further provided with a frame disposed on the first waterproof compartment and a sealing member disposed on the frame.

The present invention provides a charging stand includes a base, a housing, a circuit board, and a rotatable connector. An upper surface of the housing is formed with an opening. A plurality of sidewalls of the housing are engaged with a periphery of the base, and the housing has an accommodation space inside. The circuit board is disposed on the base. The circuit board is contained in the accommodation space in the housing, and suitable for being connected to an external power supply. The rotatable connector is pivotally connected to the base. The rotatable connector is electrically connected to the circuit board, and is contained in the accommodation space in the housing and visible from the opening.

A display device includes a display panel, a heat radiation metal plate arranged on a rear surface or a side surface of the display panel, a printed circuit board arranged on a rear surface of the heat radiation plate so as to be connected to the display panel, and a conductive tape configured to cover the heat radiation plate and the printed circuit board. The conductive tape conductively connects the rear surface of the heat radiation plate to a ground terminal of the printed circuit board.

An electronic control device comprising: a housing having conductivity; a circuit board that is arranged in the housing and has a first electronic component mounted on a mounting surface; an external connection portion that is electrically connected to the circuit board and is connectable to a device outside the housing; and a duplexing member that has conductivity and is arranged between an inner surface of the housing and the mounting surface of the circuit board, in which the duplexing member forms a cutout portion to avoid contact between the duplexing member and the first electronic component, and further forms a partition portion that partitions the external connection portion between the housing and the circuit board.

An electronic device includes an antenna module including an antenna array, a radio frequency integrated circuit (RFIC) connected with the antenna array and a flexible printed circuit board connected with the RFIC, a connector disposed on the flexible printed circuit board, a communication processor disposed on a first printed circuit board, a coaxial cable electrically connecting the flexible printed circuit board and the communication processor through the connector, and a second printed circuit board configured to electrically connect the communication processor and the flexible printed circuit board. The communication processor provides a data signal to be transmitted to an external electronic device to the RFIC along a first path in the flexible printed circuit board through the coaxial cable and the connector, and provide a control signal to the RFIC along a second path in the flexible printed circuit board through the second printed circuit board.