Multi-subscriber telephone apparatus

Details Multi-subscriber telephone apparatus Multi-subscriber telephone apparatus

1977-03-09

1978-08-15

Claffy, Kathleen H.

179101, 179100R, 179182A, H04M 102

Patent

active

041074777

ABSTRACT:
Station apparatus is provided which includes a common signalling unit and two or more handsets for operation on one telephone line or in a multiline arrangement. The handsets are connected to a single telephone line in a one line arrangement and are independently switched to any one of the telephone lines in a multiline arrangement so that the subscribers may each talk on separate lines or simultaneously on any one of the lines. Similarly, in the multiline arrangement the signalling unit is selectively connectable to each of the lines to allow dialing or signalling on any of the lines regardless of the busy or in-use condition of the other lines.

REFERENCES:
patent: 2874229 (1959-02-01), Lilley
patent: 3022387 (1962-02-01), Bair
patent: 3331924 (1967-07-01), Reaves
patent: 3427407 (1969-02-01), Heck et al.
patent: 3435151 (1969-03-01), Russell

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