Cordless telephone apparatus having a ringer circuit operable du

Details Cordless telephone apparatus having a ringer circuit operable du Cordless telephone apparatus having a ringer circuit operable du

1990-07-23

1992-05-05

Dwyer, James L.

Telephonic communications

Audio message storage, retrieval, or synthesis

379 63, 379413, H04M 1102

Patent

active

051114992

ABSTRACT:
A cordless telephone apparatus adapted to produce a ringer tone from a connection device during power stoppage. The ringer circuit is rendered inoperative when the connection device and cordless telephone are connected via a radio circuit in response to an incoming call from a subscriber's line, and rendered operative in at least one of the two cases in which the connection device and the cordless telephone are not connected via the radio circuit in response to an incoming call from the subscriber's line and in which the power source stops supplying power.

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U.S. patent application Ser. No. 07/102,342 filed on Sep. 29, 1987.

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