Ralink Technology Corporation

Mediatek Corporation

Shao-Chin Lo

Min-Chung Wu

Hsiao-Ting Huang

Cheng-Hao Kuo

Xin-Chang Chen

Chien-Cheng Lin

The present invention discloses a wireless device, which includes a substrate and an antenna. The antenna includes a printed antenna element and a 3-dimensional antenna element. The printed antenna element is printed on the substrate, while the 3-dimensional antenna element is disposed on the substrate and coupled to the printed antenna element. The printed antenna element and the 3-dimensional antenna element jointly have a physical length of a desired frequency.

Wireless device

A radio frequency (RF) processing circuit used in a wireless communication device for processing a plurality of wireless signals is disclosed. The RF processing circuit comprises an RF front-end circuit and a control unit. The RF front-end circuit is coupled to a plurality of antennas and a plurality of communication modules and is used for switching connections between the plurality of antennas and the plurality of communication modules according to a control signal. The control unit is coupled to the RF front-end circuit and is used for generating the control signal according to a frequency band and operation conditions of each communication module. The RF front-end circuit further comprises a switch module and a frequency multiplexing module.

Radio-frequency processing circuit and related wireless communication device

The present invention discloses a wireless device. The wireless device includes a housing, formed by a metal material, a wireless module disposed inside the housing, and an antenna, disposed outside the housing, coupled to the wireless module via a external socket interface disposed on the housing, for transmitting and receiving signals corresponding to the wireless module.

A flexible transmission device, for transmitting radio-frequency (RF) signals between a first communication module and a second communication module in a communication device, comprising a flexible substrate; a first metal sheet, formed on a plane of the flexible substrate and coupled between ground terminals of the first communication module and the second communication module; and a second metal sheet, formed on a plane of the flexible substrate different from the first metal sheet, and coupled between signal terminals of the first communication module and the second communication module, for transmitting the RF signals.

Flexible transmission device and communication device using the same

The present invention discloses a wireless communication module, comprising a substrate; at least one wireless module, disposed on the substrate; and a module which does not emit wireless signals can be disposed on the substrate as well. The wireless communication module forms a compact structure and removes the need for RF shielded coaxial cables within the communication module. The present invention further discloses a portable device, which comprises a display part comprising a communication module; and a host part coupled to the display part; wherein the communication module is deposited on top of display part for better reception.

Wireless communication module, portable device using the same and method for manufacturing the same

The present invention discloses a high gain antenna. The high gain antenna includes a first dipole antenna, formed on a substrate; a parallel reflection metal sheet, formed on the substrate and in parallel with the first dipole antenna; a first vertical reflection metal sheet, vertically disposed on a front side of the substrate and behind the first dipole antenna; and a second vertical reflection metal sheet, vertically disposed on a back side of the substrate and behind the first dipole antenna.

High gain antenna and wireless device using the same

The present invention discloses a flexible transmission device, for transmitting radio-frequency (RF) signals between a first communication module and a second communication module in a communication device. The flexible transmission device includes a flexible substrate; a first metal sheet, formed on the flexible substrate and coupled between ground terminals of the first communication module and the second communication module; a second metal sheet, formed on the flexible substrate and coupled between the ground terminals of the first communication module and the second communication module; and a third metal sheet, formed on the flexible substrate and between the first metal sheet and the second metal sheet, and coupled between signal terminals of the first communication module and the second communication module, for transmitting the RF signals.

An electronic device with an embedded three-dimensional antenna is disclosed. The electronic device includes a printed circuit board (PCB) and an embedded three-dimensional antenna. The embedded three-dimensional antenna includes a radiation element and a connection element. The connection element includes a first connection part and a second connection part. The first and second connection parts are coupled to the PCB, and utilized for transferring signals of the embedded three-dimensional antenna to the PCB. The first and second connection parts further clamp the PCB to attach the embedded three-dimensional antenna on the PCB.

Electronic device with embedded antenna

The present invention discloses a smart antenna system for a portable device. The smart antenna system includes a plurality of directional antennas, disposed at a plurality of positions of the portable device, having a plurality of directional radiation patterns corresponding to a plurality of areas; wherein all of the plurality of directional radiation patterns substantially form an omni directional radiation pattern.

Smart antenna system

A antenna for transmitting radio signals of a lower frequency and a higher frequency includes a driven element comprising two first radiating units for a lower frequency band and two radiating units for a higher frequency band, and a reflector element comprising a first reflecting unit for the lower frequency band and a second reflecting unit for the higher frequency band. The second radiating units are disposed at a side of the first radiating units and respectively coupled to a corresponding first radiating unit. The first reflecting unit is disposed at the other side of the first radiating units, and the second reflecting unit is disposed between the first radiating units and the first reflecting unit.

Antenna and multi-input multi-output communication device using the same

A communication device with an embedded antenna includes a printed circuit board and an embedded antenna including at least one radiating unit, at least one feeding unit, where each feeding unit is coupled to a corresponding one of the at least one radiating unit and the printed circuit board, and a connecting unit coupled to the at least one radiating unit including a first connecting portion and a second connecting portion. The connecting unit and the at least one radiating unit form a loop structure such that the embedded antenna is capable of covering one side of the printed circuit board.

Communication device with embedded antenna

An RF transmitter for a Wireless LAN device for enhancing an output linearity of the Wireless LAN device includes an RF processing unit for generating an RF signal, a voltage generator for generating a control voltage, a power amplifier coupled to the RF processing unit and driven by a bias, for amplifying power of the RF signal, and a low-pass filter coupled between the voltage generator and the power amplifier, for low-pass-filtering the control voltage to form the bias.

Radio frequency transmitter for a wireless local area network device

A power divider includes a substrate, a signal reception terminal formed in a first layer of the substrate for receiving signals, a first output terminal formed in the first layer for outputting radio-frequency (RF) signals, a matching terminal formed in a third layer of the substrate, a second output terminal formed in the third layer for outputting RF signals, a grounding plate formed in a second layer of the substrate, surrounding a hole and forming a circular shape, a first block transmission line formed at a position corresponding to the hole in the first layer and coupled to the signal reception terminal and the first output terminal, and a second block transmission line formed at a position corresponding to the hole in the third layer, coupled to the matching terminal and the second output terminal, and having a shape identical to a shape of the first block transmission line.

Growing community of inventors

Miaoli County, Taiwan

Shao-Chin Lo