Automatic garage door control device

Details Automatic garage door control device Automatic garage door control device

1992-02-07

1993-09-21

Ro, Bentsu

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

318266, 318286, E05F 1520

Patent

active

052472329

ABSTRACT:
A garage door control device that will automatically open or close depending upon conditions, the device having a motion detector responsive to vehicle space for actuating security lighting and warning measures, and a sound detector coacting with the motion detector and a garage entry door sensor to provide enablement of the door closure activator during respective exiting and non-exiting modes.

REFERENCES:
patent: 3742434 (1973-06-01), Leyde et al.
patent: 3868000 (1975-02-01), Spear et al.
patent: 4274226 (1981-06-01), Evans
patent: 4404558 (1983-09-01), Yen
patent: 4429264 (1984-01-01), Richmond
patent: 4549092 (1985-10-01), Matsuoka et al.
patent: 4713591 (1987-12-01), McCloskey
patent: 4736144 (1988-04-01), Chun-Pu
patent: 4843639 (1989-06-01), Beals
patent: 4922168 (1990-05-01), Waggamon et al.

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