Remote location electronic actuator and system that includes the

Details Remote location electronic actuator and system that includes the Remote location electronic actuator and system that includes the

1976-08-16

1978-01-24

Claffy, Kathleen H.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

179 25R, 340310R, H04M 1100

Patent

active

040705498

ABSTRACT:
A remote location actuator that is adapted to receive an input signal, to ascertain whether or not the input signal contains a message upon which the actuator should act, and to effect some predetermined act upon receipt of an appropriate message. By way of illustration, the signal may be in the form of, say, two trains of pulses that may be produced by a telephone bell, the message being contained in the number of pulses in each train. Input to the actuator may be in the form of electromagnetic transfer from the telephone.

REFERENCES:
patent: 3521267 (1970-07-01), Lester
patent: 3702904 (1972-11-01), Bard
patent: 3783193 (1974-01-01), Lee
patent: 3876836 (1975-04-01), Langan
patent: 3909618 (1975-09-01), Fujii
patent: 3949172 (1976-04-01), Brown

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