Multimode motion-activated lighting

Details Multimode motion-activated lighting Multimode motion-activated lighting

2005-08-09

2005-08-09

Wong, Don (Department: 2821)

Electric lamp and discharge devices: systems

With radiant energy sensitive control means

Electric switch controlled by the radiant energy responsive...

C315S157000, C315S158000, C340S555000

Reexamination Certificate

active

06927541

ABSTRACT:
A motion detector circuit arrangement having multiple modes of operation for energizing a light at a nominal full-brightness illumination level in response to motion. Background level circuitry provides a dual-use lighting level signal that indicates the background levels with which the light may be energized in the absence of motion when operating in the various modes. The dual-use level signal is applied to cause the light to be energized at the desired background level and is further applied to set at least one other characteristic of the motion-activated light associated with the selected background level. The dual-use level signal may be applied to activate and establish an intermediate background lighting level to provide accent mode lighting and also be applied to disable a manual override capability. The manual override capability is preserved in security mode so that it will operate when these is no background lighting.

REFERENCES:
patent: 5598066 (1997-01-01), Wiesemann et al.
patent: 5646594 (1997-07-01), Barben et al.
patent: 5668446 (1997-09-01), Baker
patent: 5699243 (1997-12-01), Eckel et al.
patent: 6225748 (2001-05-01), Evans et al.

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