Control system for telephone switching system

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United States of America Patent

PATENT NO 4366350
SERIAL NO

06129101

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A telephony system with automatic test calling. Test access circuitry connected to port circuits enables the test call circuit to select actual ports for a test call and monitor the test call signals. Test calls are initiated either on a periodic basis on in resonse to a fault condition. Any portion of the telephony system therefore can be used in a test call.

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Patent Owner(s)

Patent OwnerAddress
STROMBERG-CARLSON CORPORATION (FORMERLY PLESUB INCORPORATED)A DE CORPORATION LAKE MARY FL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hanson, George C San Antonio, TX 3 63
Lee, Ernest O Seminole County, FL 2 31
Smith, Wayne G Altamonte Springs, FL 10 102

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