Patents by Inventor Tim Sommerfeld

Tim Sommerfeld 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).

  • Patent number: 7847742
    Abstract: A fixture for radio frequency (“RF”) testing of an assembled wireless device, the wireless device having a removable casing concealing one or more RF spring connectors, the fixture comprising: a retainer for receiving the wireless device with the removable casing removed; a coaxial connector mounted through the retainer, the coaxial connector having a center contact and a shield contact, the coaxial connector for communicating RF test signals through a coaxial cable with external test equipment; a circuit board mounted on an inner side of the retainer and having one or more pads each for receiving one of the center and shield contacts; and, one or more probes mounted on ones of the pads for contacting ones of the RF spring connectors to distribute the RF test signals.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: December 7, 2010
    Assignee: Research In Motion Limited
    Inventors: Tim Sommerfeld, Steve Green, Liviu George
  • Publication number: 20080042911
    Abstract: A fixture for radio frequency (“RF”) testing of an assembled wireless device, the wireless device having a removable casing concealing one or more RF spring connectors, the fixture comprising: a retainer for receiving the wireless device with the removable casing removed; a coaxial connector mounted through the retainer, the coaxial connector having a center contact and a shield contact, the coaxial connector for communicating RF test signals through a coaxial cable with external test equipment; a circuit board mounted on an inner side of the retainer and having one or more pads each for receiving one of the center and shield contacts; and, one or more probes mounted on ones of the pads for contacting ones of the RF spring connectors to distribute the RF test signals.
    Type: Application
    Filed: September 11, 2007
    Publication date: February 21, 2008
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Tim SOMMERFELD, Steve GREEN, Liviu GEORGE
  • Patent number: 7285972
    Abstract: A fixture for radio frequency (“RF”) testing of an assembled wireless device, the wireless device having a removable casing concealing one or more RF spring connectors, the fixture comprising: a retainer for receiving the wireless device with the removable casing removed; a coaxial connector mounted through the retainer, the coaxial connector having a center contact and a shield contact, the coaxial cable with external test equipment; a circuit board mounted on an inner side of the retainer and having one or more pads each for receiving one of the center and shield contacts; and, one or more probes mounted on ones of the pads for contacting ones of the RF spring connectors to distribute the RF test signals.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: October 23, 2007
    Assignee: Research In Motion Limited
    Inventors: Tim Sommerfeld, Steve Green, Liviu George
  • Publication number: 20060293044
    Abstract: A fixture for radio frequency (“RF”) testing of an assembled wireless device, the wireless device having a removable casing concealing one or more RF spring connectors, the fixture comprising: a retainer for receiving the wireless device with the removable casing removed; a coaxial connector mounted through the retainer, the coaxial connector having a center contact and a shield contact, the coaxial cable with external test equipment; a circuit board mounted on an inner side of the retainer and having one or more pads each for receiving one of the center and shield contacts; and, one or more probes mounted on ones of the pads for contacting ones of the RF spring connectors to distribute the RF test signals.
    Type: Application
    Filed: June 9, 2006
    Publication date: December 28, 2006
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Tim SOMMERFELD, Steve GREEN, Liviu GEORGE
  • Patent number: 7081869
    Abstract: A fixture for radio frequency (“RF”) testing of an assembled wireless device, the wireless device having a removable casing concealing one or more RF spring connectors, the fixture comprising: a retainer for receiving the wireless device with the removable casing removed; a coaxial connector mounted through the retainer, the coaxial connector having a center contact and a shield contact, the coaxial connector for communicating RF test signals through a coaxial cable with external test equipment; a circuit board mounted on an inner side of the retainer and having one or more pads each for receiving one of the center and shield contacts; and, one or more probes mounted on ones of the pads for contacting ones of the RF spring connectors to distribute the RF test signals.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: July 25, 2006
    Assignee: Research In Motion Limited
    Inventors: Tim Sommerfeld, Steve Green, Liviu George
  • Publication number: 20060076961
    Abstract: A fixture for radio frequency (“RF”) testing of an assembled wireless device, the wireless device having a removable casing concealing one or more RF spring connectors, the fixture comprising: a retainer for receiving the wireless device with the removable casing removed; a coaxial connector mounted through the retainer, the coaxial connector having a center contact and a shield contact, the coaxial connector for communicating RF test signals through a coaxial cable with external test equipment; a circuit board mounted on an inner side of the retainer and having one or more pads each for receiving one of the center and shield contacts; and, one or more probes mounted on ones of the pads for contacting ones of the RF spring connectors to distribute the RF test signals.
    Type: Application
    Filed: December 14, 2004
    Publication date: April 13, 2006
    Inventors: Tim Sommerfeld, Steve Green, Liviu George
  • Patent number: D894326
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: August 25, 2020
    Assignee: CANADIAN TIRE CORPORATION LIMITED
    Inventors: Tim Sommerfeld, Sean Zylstra
  • Patent number: D927243
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: August 10, 2021
    Inventors: Michael Vermeer, Tim Sommerfeld