Holder with semiconductor lighting device

Details Holder with semiconductor lighting device Holder with semiconductor lighting device

1986-11-13

1989-05-16

Scott, Samuel

Illumination

Door knob or keyhole illuminator

362116, 362184, 362800, 70456R, E05R 1710

Patent

active

048315044

ABSTRACT:
An illuminated tool or key, in which a light source is detachably secured to a surface of the tool or key. Additionally, the emitted light can be modulated to perform an additional keying function when received by the lock. A three-color light emitter is preferable.

REFERENCES:
patent: 3804307 (1974-04-01), Johnston
patent: 4161018 (1979-07-01), Briggs et al.
patent: 4215388 (1980-07-01), Reimann
patent: 4271408 (1981-06-01), Teshima et al.
patent: 4480295 (1984-10-01), Shuster
patent: 4521833 (1985-06-01), Wolter
patent: 4677533 (1987-06-01), McDermott et al.

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