Remotely actuated door lock light

Details Remotely actuated door lock light Remotely actuated door lock light

1995-08-11

1996-07-09

Gromada, Denise L.

Illumination

Door knob or keyhole illuminator

362 32, 340542, 315 84, E05B 1710

Patent

active

055351042

ABSTRACT:
A door lock assembly comprising a lock plug having a key receiving opening, selectively operable light source for illuminating the key receiving opening, RF receiver for reproducing a received pulsed RF signal and means for determining whether the reproduced RF signal is within an acceptable range of asymmetric patterns of "on" pulse times followed by "off" times selected to include a plurality of different asymmetric patterns and means for operating the light source means for a selected period of time when the determining means determines that the reproduced RF signal is within acceptable range.

REFERENCES:
patent: 3955075 (1976-05-01), Susedik
patent: 4234909 (1980-11-01), Cotroneo
patent: 4310873 (1982-01-01), Bean
patent: 4475067 (1984-10-01), Rowe
patent: 5179325 (1993-01-01), Aragon, Jr.
patent: 5398175 (1995-03-01), Pea

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