Patents by Inventor Zami Schwartzman

Zami Schwartzman 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).

  • Communication system having a remote unit, a fixed unit and a half-duplex communication channel
    Patent number: 5479474
    Abstract: A radio telephone for a vehicle is provided having means (3) for switching between a handset mode and a hands-free mode, and control means (4, 7, 8, 9, 10, 11) responsive to said means for switching, said control means controlling the telephone such that in hands-free mode the party speaking at a given time has priority in the conversation while in handset mode the party holding the handset has priority at a given time.
    Type: Grant
    Filed: October 5, 1993
    Date of Patent: December 26, 1995
    Assignee: Motorola, Inc.
    Inventors: Zami Schwartzman, Aharon Kashtan, Claude Hasan