Garage door control system

Communications: electrical – Continuously variable indicating – With meter reading

Patent

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Details

340696, 318266, H04Q 900, H02P 104, E05F 1160

Patent

active

044059230

ABSTRACT:
A garage door operation control system comprises a door operating apparatus for operating a garage door, a plurality of push buttons for issuing a plurality of operating commands associated with the door operation by predetermined button operations, means for setting an operating command by the operation of the push buttons, and means for controlling the operation of the door operating apparatus on the basis of the operating command thus set.

REFERENCES:
patent: 3371316 (1968-02-01), Johnson
patent: 3625328 (1971-12-01), Carli
patent: 3978376 (1976-08-01), Wilson
patent: 4328540 (1982-05-01), Matsuoka et al.
patent: 4338553 (1982-07-01), Scott, Jr.

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