Multi-link telephone intercom system

Details Multi-link telephone intercom system Multi-link telephone intercom system

1978-01-27

1980-02-12

Brigance, Gerald

179 99M, 179 18AD, 179 18J, 179 37, 179 15AT, H04M 906

Patent

active

041885112

ABSTRACT:
The system includes up to four communication links, a separate link selector for each link, and a separate link scanner for each telephone station. The system is suitable for usage with conventional dial pulse or tone selective key telephone sets.

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