Patents by Inventor Janice Marie Chaffee

Janice Marie 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).

  • Simultaneous control of radio frequency modem in a multi-tasking system using a single session manager program with separate command queue for each application program
    Patent number: 5715474
    Abstract: A data communication method provides management and control functions to allow access to a shared radio frequency communication device by multiple concurrently executing software applications. A predetermined set of commands common to all of the software applications enable a consistent, high-level software interface to the communication device. A single computer program controls the communication device and permits simultaneous independent interface to each of the software applications.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: February 3, 1998
    Assignee: Motorola, Inc.
    Inventors: Christopher John Burke, Erez Nir, Janice Marie Chaffee