Telephone annuciator extender

Details Telephone annuciator extender Telephone annuciator extender

1982-04-08

1984-08-21

Pellinen, A. D.

179 2A, 179 84T, H04M 126

Patent

active

044671440

ABSTRACT:
Apparatus for the activation of a remotely located device, such as a lamp or bell, under the control of telephone subscriber tip and ring lines. The apparatus of the present invention is located in the general vicinity of a called telephone subscriber station and is operated to activate and power a remotely located annunciator as a function of detecting ringing signals initiated by a calling telephone subscriber station. The apparatus plugs into a wall outlet for providing actuating power to the remote annunciator(s).

REFERENCES:
patent: 4046970 (1977-09-01), Castleman
patent: 4049916 (1977-09-01), Danner
patent: 4074081 (1978-02-01), Humm

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