Telephone line communications control system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4837799
SERIAL NO

07249220

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention is a telecommunications control system for accepting a plurality of multi-purpose stations for use as attendant stations in an attendant service complex to service calls directed to the system from originating stations. This system comprises a first plurality of connection controllers. Each connection controller in this first plurality of connection controllers provides for cooperating with a respective one of a plurality of multi-purpose stations in defining opposite ends of a call connection path. Each of these connection controllers has controllable switching means for opening the call connection path and releasing the respective multi-purpose station. The system provides for security against use of any of the multi-purpose stations within the attendant service complex by an unauthorized person. This system further includes a second plurality of connection controllers. Each connection controller is this second plurality of connection controllers provides for cooperating with a respective one of a pluraity of originating stations in defining opposite ends of a call connection path. This system further includes controllable inter-connection arranged between the first and second plurality of connection controllers, and includes a system for controlling the inter-connection system such that incoming calls from originating stations are extended to multi-purpose stations that have been accepted as attendant stations.

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First Claim

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Patent Owner(s)

  • PROHS, JOHN RICHARD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akins, Charles G Big Sandy, TX 2 324
Efthyvoulos, Nicholas Big Sandy, TX 2 324
Prohs, John R Pasadena, CA 5 596
Sandilands, Phillip E Pasadena, CA 2 324
Scheid, Michael R Pasadena, CA 3 473

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