System for selectively answering a telephone from a remote...

Details System for selectively answering a telephone from a remote... System for selectively answering a telephone from a remote...

2006-07-04

2006-07-04

Feild, Joseph (Department: 2681)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S462000, C455S555000, C455S554200

Reexamination Certificate

active

07072659

ABSTRACT:
A system for selectively answering a telephone from a remote location is disclosed herein. The system basically includes both a stationary unit and a portable unit. The stationary unit, first of all, is connectable in line with a telephone line extending to a telephone. The stationary unit includes a ring detector circuit for activating the system upon detecting a ringing signal received over the telephone line, a first antenna with transmitter-receiver, a switching circuit for seizing the telephone line, and an enclosure. The portable unit, on the other hand, may be carried on-person. The portable unit includes a second antenna with transmitter-receiver for establishing electromagnetic communication with the first antenna, an activatable switch for selectively triggering seizure of the telephone line in response to any ringing signal that is detected, a microphone for transmitting verbal communications over the telephone line whenever the telephone line is seized, and a casing.

REFERENCES:
patent: 3811012 (1974-05-01), Barber
patent: 4760593 (1988-07-01), Shapiro et al.
patent: 5559860 (1996-09-01), Mizikovsky
patent: 5598460 (1997-01-01), Tendler
patent: 5737703 (1998-04-01), Byrne
patent: 5787360 (1998-07-01), Johnston et al.
patent: 6240181 (2001-05-01), Tunstall
patent: 6483897 (2002-11-01), Millrod

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