Wistron Neweb Corporation

Cheng-Hsiung Lu

Chiung-Wen Hsin

Huei-Chi Wu

Yi-Chieh Lin

San-Yi Kuo

Man-Ning Lu

Yi-Chin Huang

Chih-Hsiang Peng

Pao-Heng Chen

Yu-Cheng Yu

An electronic device is provided. The electronic device includes a substrate, a connector, a ground bracket and a conductive structure. The substrate includes a ground layer. The connector is disposed on the substrate, wherein the connector includes a metal frame. The ground bracket is affixed on the substrate and coupled to the ground layer, wherein at least a portion of the connector is located in the ground bracket. The conductive structure is adapted to abut the metal frame and to abut the ground bracket, wherein when the conductive structure connects the metal frame to the ground bracket, the conductive structure electrically connects the ground bracket to the metal frame.

Electronic device with conductive structure directly abutting metal frame to ground bracket

A connector including a conductive casing, a terminal, a first insulation structure and a conductive structure is provided. The conductive casing has an inner wall. The terminal includes a first section and a second section. The first section is disposed in the conductive casing, and the first section and the inner wall have a gap therebetween. The second section is located outside the conductive casing. The first insulation structure is disposed between the first section and the inner wall. The conductive structure is electrically connected to the conductive casing and has an inclined plane. The inclined plane is aligned to the second section, the second section and the inclined plane have a gap therebetween, and the inclined plane is parallel to a extending direction of the second section. In addition, a printed circuit board module having the connector is also provided.

Connector having a conductive casing with an inclined plane parallel to a section of a terminal

An antenna device and an antenna switch circuit are provided. The antenna device comprises a first antenna, an antenna detection circuit, a switch control circuit, and a controller. The first antenna is configured to transmit an RF signal. The antenna detection circuit comprises an inductor configured to detect a second antenna. The switch control circuit is coupled to the antenna detection circuit and configured to generate a first control signal indicative of the presence of the second antenna upon the detection thereof. The controller is coupled to the first antenna, the antenna detection circuit and the switch control circuit, and configured to receive the first control signal and connect to the second antenna when the first control signal indicates the presence of the second antenna.

Antenna apparatus and antenna switch circuit

A signal transceiver with enhanced return loss in a power-off state includes a connector, a band-pass filter, a front-end module and an impedance transformation circuit. The impedance transformation circuit is coupled between the band-pass filter and the front-end module for transforming an input impedance of the signal transceiver, and includes an input terminal coupled to the band-pass filter for receiving a signal; an output terminal coupled to the front-end module for outputting the signal to the front-end module; an impedance transforming unit; and a power source input circuit coupled to the impedance transforming unit for providing a power source; wherein the impedance transforming unit is coupled between the power source input circuit and the input terminal, for transforming the input impedance of the signal transceiver.

Signal transceiver with enhanced return loss in power-off state

A signal transceiver includes a connector for receiving a signal, a band-pass filter coupled to the connector for filtering the signal, a front-end module for demodulating the signal and an adaptive impedance switch circuit coupled between the band-pass filter and the front-end module for switching an impedance value between the band-pass filter and the front-end module.

Growing community of inventors

Hsinchu, Taiwan

Cheng-Hsiung Lu