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Lizhong Zhu

BlackBerry Limited

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Archive | 2005

Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry

Michael Corrigan; George Mankaruse; Lizhong Zhu

Archive | 2005

MOBILE WIRELESS COMMUNICATIONS DEVICE WITH REDUCED INTERFERING ENERGY INTO AUDIO CIRCUIT AND RELATED METHODS

Lizhong Zhu; Michael Corrigan; George Mankaruse; Perry Jarmuszewski

Archive | 2012

Mobile wireless communications device with reduced interfering RF energy into RF metal shield secured on circuit board

Lizhong Zhu; Michael Corrigan; Robert J. Grant; Liviu George; Perry Jarmuszewski

Archive | 2005

Wireless headset having improved rf immunity to rf electromagnetic interference produced from a mobile wireless communications device

Lizhong Zhu; George Mankaruse; Michael Corrigan

Journal of the Acoustical Society of America | 2010

Hearing aid having improved RF immunity to RF electromagnetic interference produced from a wireless communications device

Lizhong Zhu; George Mankaruse; Michael Corrigan

Archive | 2012

Mobile wireless communications device having improved rf immunity of audio transducers to electromagnetic interference (emi)

Lizhong Zhu; George Mankaruse; Michael Corrigan

Archive | 2008

Mobile wireless communications device with separate in-phase and quadrature power amplification

Lizhong Zhu; George Mankaruse; Michael Corrigan; Perry Jarmuszewski

Archive | 2008

Mobile wireless communications device with reduced harmonics resulting from metal shield coupling

Lizhong Zhu; George Mankaruse; Michael Corrigan

Archive | 2005

Mobile wireless communications device with reduced interfering energy from the display and related methods

Lizhong Zhu; Michael Corrigan; Perry Jarmuszewski; Liviu George; George Mankaruse; James Alexander Robinson; Marc Drader

Archive | 2013

SYSTEM AND METHOD FOR MANAGING COMMUNICATIONS FOR TWO NETWORKS IN A COMMUNICATION DEVICE

Lizhong Zhu; Fei He; Yan Wu; Qingmai Zhou; Jun Xu; Michael Peter Montemurro; Zongyou Zhang

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