Patents by Inventor George D. Kontopidis

George D. Kontopidis 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).

  • Voice interface board for use in an operator system
    Patent number: 5487102
    Abstract: In an operator system for providing services to subscribers in a public telephone network, a circuit board for controlling audio characteristics of audio signals in the public telephone network. The circuit board comprises an interface for receiving the audio signal from the public telephone network, an audio characteristics control circuit coupled to the interface for receiving the audio signal, adjusting the audio characteristics of the audio signal and for recording and generating voice messages to be transmitted to the public telephone network via the interface and a headset interface coupled to the audio characteristics control circuit for receiving the adjusted audio signal and providing an interface to at least two headsets.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: January 23, 1996
    Assignee: Volt Information Sciences, Inc.
    Inventors: Ralph F. Rothschild, George D. Kontopidis, Charles C. Linton