Patents by Inventor Kulbir Singh Sandhu

Kulbir Singh Sandhu 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).

  • Smart antenna connect mechanism to achieve signal integrity without affecting voltage standing wave ratio
    Patent number: 6317085
    Abstract: Systems and methods are described for detachable antennas. A wireless communications device includes: a cam body defining a rotation axis, the cam body including a retaining zone having a snap-fit receptacle; a signal pin including a first signal pin end and a second signal pin end; an antenna conductively coupled to the first signal pin end; a signal clip with a protrusion, a contact pad with a recess, and a key pin that extends from the signal pin, the key pin having a first key pin end and a second key pin end, and being snap-fit into the snap-fit receptacle. The systems and methods provide advantages in that the detachable antenna is easily replaced without tools.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: November 13, 2001
    Assignee: Palm, Inc.
    Inventors: Kulbir Singh Sandhu, Bert Buxton, Livius Dumitru Chebeleu
  • Antenna detachment mechanisms and methods
    Patent number: 6064342
    Abstract: Systems and methods are described for detachable antennas. A wireless communications device includes: a cam body defining a rotation axis, the cam body including a retaining zone having a snap-fit receptacle; a signal pin including a first signal pin end and a second signal pin end; an antenna conductively coupled to the first signal pin end; and a key pin that extends from the signal pin, the key pin having a first key pin end and a second key pin end, and being snap-fit into the snap-fit receptacle. The systems and methods provide advantages in that the detachable antenna is easily replaced without tools.
    Type: Grant
    Filed: July 13, 1998
    Date of Patent: May 16, 2000
    Assignee: 3Com Corporation
    Inventors: Kulbir Singh Sandhu, Francis James Canova, Jr., Livius Dumitru Chebeleu