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Inventor: Schimmel; Frederick W.
Address: Gibbsboro, NJ
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4105875 |
Electronic telephone switching system comprising a speech-path switching matrix and tone-connect |
August 8, 1978 |
| An electronic telephone switching system is described having peripheral units including a plurality of subscriber and line circuit, a plurality of trunk and tie line circuits, at least one attendant line circuit, a plurality of signaling tone receivers, and a plurality of link control |
| 4105873 |
Electronic telephone switching system comprising a speech path switching matrix and tone-connect |
August 8, 1978 |
| An electronic telephone switching system is described having peripheral units including a plurality of subscriber and line circuits, a plurality of trunk and tie line circuits, at least one attendant line circuit, a plurality of signaling tone receivers, and a plurality of link control |
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