Patents by Inventor Janice M. Chaffee

Janice M. Chaffee 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).

  • Method and apparatus for selecting between a plurality of communication paths
    Patent number: 5406643
    Abstract: In a data communication system (100), a method is provided to distinguish between and select from multiple communication paths (4,6,and 8)to a designated end point (10). The communications path selection is done locally, on a portable subscriber unit (2). The communications path is transparent to requesting software application (30). The method manages a plurality of communications devices (42,44) using existing communications infrastructure.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: April 11, 1995
    Assignee: Motorola, Inc.
    Inventors: Christopher J. Burke, Janice M. Chaffee, Erez Nir, Thomas E. Kee
  • Method for asynchronous application communication
    Patent number: 5327558
    Abstract: In a general-purpose subscriber unit a data communication method provides management and control functions to allow communication between one of a plurality of software applications and a selected communication device, such as a radio frequency modem. Messages received by the modem may be routed and stored for designated ones of said applications, even if they are not currently active. Likewise, an application operating in background mode may generate messages which are stored, routed, and transmitted through the modem.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: July 5, 1994
    Assignee: Motorola, Inc.
    Inventors: Christopher J. Burke, Erez Nir, Janice M. Chaffee