Patents by Inventor Miranda L. James

Miranda L. James 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).

  • Static discharge snubber circuit for silicon controlled rectifier (SCR) type telephone hold devices
    Patent number: 4623762
    Abstract: A snubber circuit for use with hold circuits employed in telecommunication applications that employ an SCR as the principle control device. The included circuit prevents false hold turn on in response to static discharge. Voice band impedance and ringing signals are not adversely affected by the addition of the circuit to a standard SCR type hold circuit.
    Type: Grant
    Filed: December 10, 1984
    Date of Patent: November 18, 1986
    Assignee: GTE Communication Systems Corporation
    Inventors: Eduard F. B. Boeckmann, Miranda L. James
  • Dual timing circuit for telephone subscriber's instrument
    Patent number: 4492823
    Abstract: A dual timing circuit for use with a subscriber's telephone circuit operated in response to two manual switch operations to simulate the placement of the subscriber's phone in the "on-hook" condition for two different predetermined periods of time. One "on-hook" period being for the operation of transfer circuitry in an associated PABX and the other period being for the initiation of a new call.
    Type: Grant
    Filed: May 2, 1983
    Date of Patent: January 8, 1985
    Assignee: GTE Business Communication Systems
    Inventors: Miranda L. James, Albert Teater