1
Geyi Wen, Yihong Qi, Perry Jarmuszewski: Electrically connected multi-feed antenna system. Research In Motion, Jones Day Reavis & Pogue, December 11, 2001: US06329951 (117 worldwide citation)

An antenna system for a portable transceiver device comprises an antenna structure for transmitting and receiving RF signals. The antenna structure includes multiple feeding ports having a common structure fully coupling multiple antennas together. This antenna structure is made of a conductor that ...


2
Yihong Qi, Lizhong Zhu, Peter J Edmonson, Perry Jarmuszewski, Steven Carkner: Antenna system for an RF data communications device. Research In Motion, Charles B Meyer Esq, Jones Day Reavis & Pogue, October 12, 1999: US05966098 (116 worldwide citation)

An RF data communications device antenna system is shown that includes a dipole and an electromagnetic coupler that provides coupling between each dipole arm to establish a desired resonant bandwidth. An LC matching circuit is provided for matching the dipole to the impedance of the RF data communic ...


3
Yihong Qi, Perry Jarmuszewski, Lizhong Zhu, Peter J Edmonson, Krystyna Bandurska, Robert A Grant: Dual embedded antenna for an RF data communications device. Research In Motion, Charles B Meyer Esq, Jones Day Reavis & Pogue, February 29, 2000: US06031505 (113 worldwide citation)

An RF antenna system is disclosed having at least one meandering antenna line with an aggregate structure formed to substantially extend in two dimensions, to effectively form a top-loaded monopole antenna. The meandering antenna line includes at least one localized bend for providing a compressed e ...


4
Bryan Taylor, Mihal Lazaridis, Peter Edmonson, Perry Jarmuszewski, Lizhong Zhu, Steven Carkner, Matthias Wandel: Wireless radio modem with minimal inter-device RF interference. Research In Motion, Charles B Meyer, Jones Day Reavis & Pogue, June 9, 1998: US05764693 (88 worldwide citation)

A wireless radio modem that may be incorporated into a host system or connected through a PCMCIA or similar port to a host system includes radio frequency modulation/demodulation circuitry employing electronic device elements that operate in a frequency range that minimizes the RF interference betwe ...


5
Lizhong Zhu, Yihong Qi, Perry Jarmuszewski, Peter J Edmonson, Steven Carkner: Antenna for a radio telecommunications device. Research In Motion, Charles B Meyer Esq, Jones Day Reavis & Pogue, October 13, 1998: US05821907 (82 worldwide citation)

A radio telecommunications antenna includes a telescoping antenna portion for substantially receiving an electromagnetic signal. The telescoping portion is attached by an antenna mast for conducting the electromagnetic signal. A dielectric spacer and an inductor are in electrical contact with the an ...


6
Yihong Qi, Ying Tong Man, Perry Jarmuszewski: Multiple-element antenna with floating antenna element. Research In Motion, Jones Day, September 13, 2011: US08018386 (58 worldwide citation)

A multiple-element antenna for a wireless communication device is provided. The antenna comprises a first antenna element having a first operating frequency band and a floating antenna element positioned adjacent the first antenna element to electromagnetically couple to the first antenna element. T ...


7
Geyi Wen, Yihong Qi, Krystyna Bandurska, Perry Jarmuszewski: Multiple-element antenna. Research In Motion, Krishna K Pathiyal Esq, Charles B Meyer Esq, Jones Day, December 16, 2003: US06664930 (55 worldwide citation)

A multiple-element antenna is provided that includes a monopole portion and a dipole portion. The monopole portion has a top section, a middle section, and a bottom section. The middle section defines a recess between the top and bottom sections, and the bottom section includes a monopole feeding po ...


8
Geyi Wen, Perry Jarmuszewski, Adam D Stevenson: Multi-band antenna with patch and slot structures. Research In Motion, Allen Dyer Doppelt Milbrath & Gilchrist P A, October 16, 2007: US07283097 (45 worldwide citation)

A multiple-band antenna having first and second operating frequency bands is provided. The antenna includes a first patch structure associated primarily with the first operating frequency band, a second patch structure electrically coupled to the first patch structure and associated primarily with t ...


9
Joshua Kwan Ho Wong, Ying Tong Man, Yihong Qi, Perry Jarmuszewski, Antonio Chan: Flexible cable having rectangular waveguide formed therein and methods of manufacturing same. Research In Motion, Ridout & Maybee, October 2, 2012: US08279611 (42 worldwide citation)

A flexible cable for carrying RF signals and method of manufacturing same. The cable includes an elongate base substrate including a dielectric layer with an upper metal layer deposited on one side and a lower metal layer deposited on its other side. It further includes two parallel spaced-apart ser ...


10
Yihong Qi, Ying Tong Man, Perry Jarmuszewski: Mobile wireless communications device comprising a top-mounted auxiliary input/output device and a bottom-mounted antenna. Research In Motion, Allen Dyer Doppelt Milbrath & Gilchrist, July 29, 2008: US07405703 (37 worldwide citation)

A mobile wireless communications device may include a housing having an upper portion and a lower portion, a dielectric substrate carried by the housing, circuitry carried by the dielectric substrate, and an audio output transducer carried by the upper portion of the housing and connected to the cir ...