Communications – electrical: acoustic wave systems and devices – Selective
Patent
1983-10-19
1986-12-16
Yusko, Donald J.
Communications, electrical: acoustic wave systems and devices
Selective
315360, 307117, 340566, G08B 1322, H01H 3600, H05B 3702
Patent
active
046302484
ABSTRACT:
A sound activated lamp arrangement includes a module having a threaded lamp bulb socket at one end and a bulb base at the other end for reception in a lamp socket of a conventional table lamp. A lamp bulb is received in the module socket, and a microphone is provided on the module. Circuitry within the module connects the module socket with the module base to thereby illuminate the lamp bulb in response to the reception of an acoustic signal from a smoke alarm device, burglar alarm, or other type of alarm device by the microphone. A photocell is provided on the module and is connected to the circuitry to sense ambient illumination. The circuitry is adapted such that the bulb is only illuminated when the photocell senses darkness. A push button switch is provided on the module for conventional operation of the lamp. A collar is received on the socket shell of the lamp to prevent operation of the lamp switch thereon. For commercial applications, the module is provided with outwardly projecting lugs which engage the harp structure of the lamp to resist removal of the module from the table lamp.
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