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US 5,247,232 AGranted
Automatic garage door control device
OwnerChii C. Lininventor
Life of this patent
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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.
Claims7
An automatic control device for powered garage door, comprising:
- control relay means actuatable to closed position to enable said garage door to open and close;
- control activating means energizable to provide an electrical signal output to actuate said control relay means;
- a safety warning device;
- oscillator and delay timer means for providing a first output pulse to enable the operation of the safety warning device, and a second output pulse to energize said control activating means;
- and
- motion detection and delay timer means for detecting exit of a vehicle and producing a third output pulse for enabling the operation of the safety warning device, and for producing a fourth output pulse to energize said control activating means, and to produce a signal to energize security lighting.
3 more elements
Dependencies are inferred from the claim text.