Electrical switch controllable alternatively by an internal time

Details Electrical switch controllable alternatively by an internal time Electrical switch controllable alternatively by an internal time

1977-08-23

1980-03-18

Pitts, Harold I.

Communications: electrical

Systems

Selsyn type

340310A, 3403091, H04Q 1104, H01H 4302

Patent

active

041941829

ABSTRACT:
This invention relates to the automatic operation of electric wall switches. Through the use of electronics and mechanisms contained within the switch body, the switch operates on command of a remote digital controller, or alternatively, from an integral timer. in the former case, digital codes are transmitted on existing electrical wiring in a building to provide remote operation. When an integrated timer is utilized, the timer provides controlled turn "on" or "off" functions.

REFERENCES:
patent: 3558902 (1971-01-01), Casey
patent: 3729710 (1973-04-01), Sherwin
patent: 3740680 (1973-06-01), Schneidinger
patent: 3770929 (1973-11-01), Kobayashi
patent: 3972471 (1976-08-01), Ziegler
patent: 3973135 (1976-08-01), Scott
patent: 4007458 (1977-02-01), Hollabaugh
patent: 4012732 (1977-03-01), Herrick

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