Patents by Inventor Joshua Kwan

Joshua Kwan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20140099993
    Abstract: A mobile wireless communications device may include a portable housing including at least one electrically conductive housing portion configured to function as an antenna. The mobile wireless communications device may also include a printed circuit board (PCB) carried by the portable housing, and wireless transceiver circuitry carried by the PCB and including at least one circuit element carried by the PCB. The mobile wireless communications device may also include at least one current shunt component coupled between the at least one electrically conductive housing portion and the at least one circuit element.
    Type: Application
    Filed: December 9, 2013
    Publication date: April 10, 2014
    Applicant: BLACKBERRY LIMITED
    Inventors: JOSHUA KWAN HO WONG, JOHN ALFRED WHITMORE, ADRIAN MATTHEW COOKE, STEVEN EUGENE DOWNS, JARI KRISTIAN VAN WONTERGHEM
  • Patent number: 8666462
    Abstract: A mobile wireless communications device includes a portable housing having a metallic front housing forming a peripheral sidewall as a metallic ring. A circuit board is carried by the portable housing and forms a chassis ground plane. A wireless communications circuit is carried by a circuit board. An antenna circuit is carried by a circuit board and connected to the wireless communications circuit. A frequency selective grounding circuit is positioned at a selected grounding location at the chassis ground plane and metallic front housing and forms a harmonic trap that responds to a specific range of frequencies.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: March 4, 2014
    Assignee: BlackBerry Limited
    Inventors: Joshua Kwan Ho Wong, Adrian Matthew Cooke
  • Patent number: 8660623
    Abstract: A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit carried by the circuit board, and an audio circuit carried by the circuit board. The device may further include an antenna assembly including an antenna carrier frame coupled to the circuit board and defining a cavity therein, and at least one antenna element carried on the carrier frame and coupled to the wireless communications circuit. The device may also include an audio output transducer carried within the cavity of the antenna carrier frame and coupled to the audio circuit.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: February 25, 2014
    Assignee: BlackBerry Limited
    Inventors: Ying Tong Man, Yihong Qi, Joshua Kwan Ho Wong
  • Publication number: 20140024417
    Abstract: A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit carried by the circuit board, and an audio circuit carried by the circuit board. The mobile wireless communications device may further include an antenna assembly including an antenna carrier frame coupled to the circuit board and defining a cavity therein, and an antenna element carried on the antenna carrier frame and having a plurality of spaced apart signal feed points coupled to the wireless communications circuit. In addition, an audio transducer may be carried within the cavity of the antenna carrier frame and coupled to the audio circuit.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: BLACKBERRY LIMITED
    Inventors: YING TONG MAN, YIHONG QI, JOSHUA KWAN HO WONG
  • Patent number: 8615279
    Abstract: A mobile wireless communications device may include a portable housing including at least one electrically conductive housing portion configured to function as an antenna. The mobile wireless communications device may also include a printed circuit board (PCB) carried by the portable housing, and wireless transceiver circuitry carried by the PCB and including at least one circuit element carried by the PCB. The mobile wireless communications device may also include at least one current shunt component coupled between the at least one electrically conductive housing portion and the at least one circuit element.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: December 24, 2013
    Assignee: BlackBerry Limited
    Inventors: Joshua Kwan Ho Wong, John Alfred Whitmore, Adrian Matthew Cooke, Steven Eugene Downs, Jari Kristian Van Wonterghem
  • Patent number: 8571599
    Abstract: A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit carried by the circuit board, and an audio circuit carried by the circuit board. The mobile wireless communications device may further include an antenna assembly including an antenna carrier frame coupled to the circuit board and defining a cavity therein, and an antenna element carried on the antenna carrier frame and having a plurality of spaced apart signal feed points coupled to the wireless communications circuit. In addition, an audio transducer may be carried within the cavity of the antenna carrier frame and coupled to the audio circuit.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: October 29, 2013
    Assignee: Blackberry Limited
    Inventors: Ying Tong Man, Yihong Qi, Joshua Kwan Ho Wong
  • Patent number: 8417300
    Abstract: A mobile wireless communications device includes a portable housing having a metallic front housing forming a peripheral sidewall as a metallic ring. A circuit board is carried by the portable housing and forms a chassis ground plane. A wireless communications circuit is carried by a circuit board. An antenna circuit is carried by a circuit board and connected to the wireless communications circuit. A frequency selective grounding circuit is positioned at a selected grounding location at the chassis ground plane and metallic front housing and forms a harmonic trap that responds to a specific range of frequencies.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: April 9, 2013
    Assignee: Research In Motion Limited
    Inventors: Joshua Kwan Ho Wong, Adrian Matthew Cooke
  • Publication number: 20120326813
    Abstract: 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 series of vias formed along the length of the base substrate, each via electrically interconnecting the upper metal layer and the lower metal layer, whereby a rectangular cross-sectional waveguide is provided between the upper metal layer, the lower metal layer and the two series of vias.
    Type: Application
    Filed: September 5, 2012
    Publication date: December 27, 2012
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Joshua Kwan Ho Wong, Ying Tong Man, Yihong Qi, Perry Jarmuszewski, Antonio Chan
  • Patent number: 8279611
    Abstract: 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 series of vias formed along the length of the base substrate, each via electrically interconnecting the upper metal layer and the lower metal layer, whereby a rectangular cross-sectional waveguide is provided between the upper metal layer, the lower metal layer and the two series of vias.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: October 2, 2012
    Assignee: Research In Motion Limited
    Inventors: Joshua Kwan Ho Wong, Ying Tong Man, Yihong Qi, Perry Jarmuszewski, Antonio Chan
  • Publication number: 20120195011
    Abstract: A mobile wireless communications device includes a portable housing having a metallic front housing forming a peripheral sidewall as a metallic ring. A circuit board is carried by the portable housing and forms a chassis ground plane. A wireless communications circuit is carried by a circuit board. An antenna circuit is carried by a circuit board and connected to the wireless communications circuit. A frequency selective grounding circuit is positioned at a selected grounding location at the chassis ground plane and metallic front housing and forms a harmonic trap that responds to a specific range of frequencies.
    Type: Application
    Filed: April 10, 2012
    Publication date: August 2, 2012
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: JOSHUA KWAN HO WONG, ADRIAN M. COOKE
  • Patent number: 8180412
    Abstract: A mobile wireless communications device includes a portable housing having a metallic front housing forming a peripheral sidewall as a metallic ring. A circuit board is carried by the portable housing and forms a chassis ground plane. A wireless communications circuit is carried by a circuit board. An antenna circuit is carried by a circuit board and connected to the wireless communications circuit. A frequency selective grounding circuit is positioned at a selected grounding location at the chassis ground plane and metallic front housing and forms a harmonic trap that responds to a specific range of frequencies.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: May 15, 2012
    Assignee: Research In Motion Limited
    Inventors: Joshua Kwan Ho Wong, Adrian M. Cooke
  • Publication number: 20120052916
    Abstract: A mobile wireless communications device includes a portable housing having a metallic front housing forming a peripheral sidewall as a metallic ring. A circuit board is carried by the portable housing and forms a chassis ground plane. A wireless communications circuit is carried by a circuit board. An antenna circuit is carried by a circuit board and connected to the wireless communications circuit. A frequency selective grounding circuit is positioned at a selected grounding location at the chassis ground plane and metallic front housing and forms a harmonic trap that responds to a specific range of frequencies.
    Type: Application
    Filed: August 26, 2010
    Publication date: March 1, 2012
    Applicant: Research In Motion Limited
    Inventors: Joshua Kwan Ho WONG, Adrian M. Cooke
  • Publication number: 20120019418
    Abstract: A mobile wireless communications device may include a portable housing that may include an electrically conductive continuous ring defining a perimeter of the portable housing. The electrically conductive continuous ring may be configured to function as an antenna. The mobile wireless communications device may further include a printed circuit board (PCB) carried by the portable housing and may include an electrically conductive layer defining a ground plane. The mobile wireless communications device may further include wireless transceiver circuitry carried by the PCB and coupled to the antenna. The mobile wireless communications device may also include an electrically conductive shorting member coupled between the electrically conductive continuous ring and the ground plane.
    Type: Application
    Filed: May 2, 2011
    Publication date: January 26, 2012
    Applicant: Research In Motion Limited
    Inventors: Joshua Kwan Ho Wong, John Alfred Whitmore, Adrian Matthew Cooke, Steven Eugene Downs, Jari Kristian van Wonterghem
  • Publication number: 20120021701
    Abstract: A mobile wireless communications device may include a portable housing including at least one electrically conductive housing portion configured to function as an antenna. The mobile wireless communications device may also include a printed circuit board (PCB) carried by the portable housing, and wireless transceiver circuitry carried by the PCB and including at least one circuit element carried by the PCB. The mobile wireless communications device may also include at least one current shunt component coupled between the at least one electrically conductive housing portion and the at least one circuit element.
    Type: Application
    Filed: January 12, 2011
    Publication date: January 26, 2012
    Applicant: Research In Motion Limited
    Inventors: Joshua Kwan Ho Wong, John Alfred Whitmore, Adrian Matthew Cooke, Steven Eugene Downs, Jari Kristian van Wonterghem
  • Publication number: 20110275421
    Abstract: A mobile wireless communications device may include a portable housing, a cellular transceiver carried by the portable housing, and a battery carried by the portable housing and comprising a pair of electrodes and an electrolyte therebetween. The mobile wireless communications device may further include a wireless communications circuit carried by the portable housing and configured to wirelessly communicate via at least one of the electrodes.
    Type: Application
    Filed: October 14, 2010
    Publication date: November 10, 2011
    Applicant: Research In Motion Limited
    Inventors: Joshua Kwan Ho Wong, John Alfred Whitmore, Ying Tong Man
  • Publication number: 20110136551
    Abstract: A mobile communication device with a base portion and a parallel slider portion connected through a slide assembly. A transceiver is housed in one of the base portion and the slider portion, and an RF antenna is housed in the other of the base portion and the slider portion. A coiled cable has one end connected to the RF antenna and having its other end connected to the transceiver for communicating RF-level signals between the antenna and transceiver.
    Type: Application
    Filed: December 9, 2009
    Publication date: June 9, 2011
    Inventors: Joshua Kwan Ho Wong, Ying Tong Man, Yihong Qi, Perry Jarmuszewski
  • Publication number: 20110136554
    Abstract: A mobile communication device with a base portion and a parallel slider portion connected through a slide assembly. A transceiver is housed in one of the base portion and the slider portion, and an RF antenna is housed in the other of the base portion and the slider portion. An RF-capable flex cable has one end connected to the RF antenna and has its other end connected to the transceiver for communicating RF-level signals between the antenna and transceiver.
    Type: Application
    Filed: December 9, 2009
    Publication date: June 9, 2011
    Inventors: Joshua Kwan Ho Wong, Ying Tong Man, Yihong Qi, Perry Jarmuszewski, Antonio Chan
  • Publication number: 20110132641
    Abstract: 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 series of vias formed along the length of the base substrate, each via electrically interconnecting the upper metal layer and the lower metal layer, whereby a rectangular cross-sectional waveguide is provided between the upper metal layer, the lower metal layer and the two series of vias.
    Type: Application
    Filed: December 9, 2009
    Publication date: June 9, 2011
    Inventors: Joshua Kwan Ho Wong, Ying Tong Man, Yihong Qi, Perry Jarmuszewski, Antonio Chan
  • Publication number: 20110111814
    Abstract: A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit carried by the circuit board, and an audio circuit carried by the circuit board. The device may further include an antenna assembly including an antenna carrier frame coupled to the circuit board and defining a cavity therein, and at least one antenna element carried on the carrier frame and coupled to the wireless communications circuit. The device may also include an audio output transducer carried within the cavity of the antenna carrier frame and coupled to the audio circuit.
    Type: Application
    Filed: October 12, 2010
    Publication date: May 12, 2011
    Applicant: Research In Motion Limited
    Inventors: Ying Tong Man, Yihong Qi, Joshua Kwan Ho Wong
  • Publication number: 20110111720
    Abstract: A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit carried by the circuit board, and an audio circuit carried by the circuit board. The mobile wireless communications device may further include an antenna assembly including an antenna carrier frame coupled to the circuit board and defining a cavity therein, and an antenna element carried on the antenna carrier frame and having a plurality of spaced apart signal feed points coupled to the wireless communications circuit. In addition, an audio transducer may be carried within the cavity of the antenna carrier frame and coupled to the audio circuit.
    Type: Application
    Filed: October 12, 2010
    Publication date: May 12, 2011
    Applicants: Ontario, Canada)
    Inventors: YING TONG MAN, Yihong Qi, Joshua Kwan Ho Wong