1
Rao Qinjiang, Wen Geyi: Mobile wireless communications device including multi-loop folded monopole antenna and related methods. Res In Motion, March 11, 2009: EP2034555-A1 (6 worldwide citation)

A mobile wireless communications device may include a portable housing, a printed circuit board (PCB) carried within the portable housing, and wireless communications circuitry carried by the PCB within the portable housing. Furthermore, a folded monopole antenna may be coupled to the wireless commu ...


2
Rao Qinjiang, Wen Geyi, Pecen Mark E: Slot-strip antenna apparatus for a radio device operable over multiple frequency bands. Research In Motion, Rao Qinjiang, Wen Geyi, Pecen Mark E, MEASURES Jeffrey M, October 16, 2008: WO/2008/122112 (5 worldwide citation)

A hybrid slot-strip antenna apparatus, and an associated methodology, for a multi-mode mobile station or other radio device. The antenna is formed of a plurality of slot-strips disposed upon a printed circuit board, or other substrate. The antenna is defined by width and length design parameters, th ...


3
Rao Qinjiang: Diversity antenna system comprising meander pattern antennas. Research In Motion, Ridout & Maybee, September 9, 2011: WO/2011/106899 (5 worldwide citation)

A diversity antenna system that operates within a low frequency band ranging from 700 Megahertz is disclosed. A plurality of antennas are folded onto a single printed circuit in a meander pattern configuration. Each antenna has an independent feed port and ground pin. The plurality of antennas are c ...


4
Wen Geyi, Rao Qinjiang, Ali Shirook, Pecen Mark: Mobile wireless communications device with multiple rf transceivers using a common antenna at a same time and related methods. Res In Motion, April 23, 2008: EP1914835-A1 (4 worldwide citation)

A mobile wireless communications device may include a housing and a common antenna carried by the housing and having a plurality of spaced apart signal feed points thereon. The device may further include a plurality of wireless radio frequency (RF) transceivers carried by the housing and coupled to ...


5
AYATOLLAHI Mina, RAO Qinjiang: Dispositifs de télécommunication mobile à main pourvus dun réseau dantennes à multiples ports à isolement élevé, High isolation multiple port antenna array handheld mobile communication devices. Research In Motion, AYATOLLAHI Mina, RAO Qinjiang, Ridout & Maybee, November 17, 2011: WO/2011/140653 (4 worldwide citation)

A multiple input-multiple output antenna assembly with high isolation between the antennas is disclosed. The antenna assembly includes a substrate with a ground layer at its surface. Two antennas are disposed opposing each other on the substrate. A meandering slot is interposed between the first and ...


6
WANG DONG, RAO QINJIANG: ANTENNE DOUBLE BANDE A DEUX LIGNES DALIMENTATION ET PROCEDE CONNEXE, DUAL-FEED PORT DUAL BAND ANTENNA ASSEMBLY AND ASSOCIATED METHOD. Research In Motion, BLACKBERRY, RIDOUT & MAYBEE, July 29, 2014: CA2727102 (4 worldwide citation)

A dual-feed dual band (DFDB) antenna module comprising a first antenna element disposed on a first planar surface, a second antenna element disposed on a second planar surface, and a third antenna element disposed on a third planar surface, wherein the first, second and third planar surfaces are sub ...


7
Rao Qinjiang, Wen Geyi: Dispositif de communication sans fil mobile comprenant antenne unipolaire pliee a boucles multiples et methodes connexes, Mobile wireless communications device including multi-loop folded monopole antenna and related methods. Research In Motion, Research In Motion, Borden Ladner Gervais, August 17, 2010: CA2638104 (4 worldwide citation)

A mobile wireless communications device may include a portable housing, a printed circuit board (PCB) carried within the portable housing, and wireless communications circuitry carried by the PCB within the portable housing. Furthermore, a folded monopole antenna may be coupled to the wireless commu ...


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9
Wang Dong, Wen Geyi, Rao Qinjiang, Pecen Mark: Multi-band antenna, and associated methodology, for a radio communication device. Res In Motion, February 25, 2009: EP2028720-A1 (2 worldwide citation)

An antenna, and an associated methodology, for a portable radio device, such as a mobile station capable of operation at a plurality of frequency bands spread across a wide range of frequencies. The antenna includes a first antenna patch and a second antenna patch. The first antenna patch comprises ...


10
Wang Dong, Wen Geyi, Rao Qinjiang, Pecen Mark: Antenna apparatus and associated methodology for multi-band radio device. Research In Motion, October 9, 2008: JP2008-245282 (2 worldwide citation)

PROBLEM TO BE SOLVED: To provide a small-sized and enhanced antenna construction operable over multiple frequency bands.SOLUTION: The present invention relates to a strip antenna for a communication device. The strip antenna is applied to a substrate and characterized in comprising a first radiation ...