Garage door operation control apparatus

Details Garage door operation control apparatus Garage door operation control apparatus

1980-04-15

1982-12-21

Robinson, Thomas A.

Communications: electrical

Continuously variable indicating

With meter reading

34082537, 34082572, 340539, 340541, 340506, 49 25, 49 31, 318 16, 318266, G06F 704, G08C 1900

Patent

active

043652506

ABSTRACT:
A garage door operation control apparatus includes a door operating system for opening and closing the main door of a garage, a main detection circuit for detecting the open or closed condition of the main door, an auxiliary detection circuit for detecting an open condition of a window or an auxiliary door of the garage, a fire in the garage or generation of a special gas therein, an alarm and a signal processing circuit. Electrical signals from the detection circuit are logically analyzed thereby to control the door operating system and the alarm.

REFERENCES:
patent: 4006460 (1977-02-01), Hewitt et al.
patent: 4048630 (1977-09-01), Deming et al.
patent: 4074269 (1978-02-01), Hartley
patent: 4189719 (1980-02-01), Massa et al.
patent: 4197675 (1980-04-01), Kelly

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