Light bulb shaped audio signal emitter

Details Light bulb shaped audio signal emitter Light bulb shaped audio signal emitter

1989-08-08

1990-10-16

Orsino, Joseph A.

Communications: electrical

Audible indication

Ultrasonic pest control

340656, 340693, 181141, 362253, 381205, 381188, 324508, G10K 900

Patent

active

049638548

ABSTRACT:
This light bulb shaped device is comprised of a one hundred and ten volt buzzer wired to a threaded light bulb type metal base. The sound from this buzzer is amplified by an unbreakable plastic megaphone. The interior works of this device is protected from tampering by affixing a protective unbreakable plastic grill at the large end of the megaphone. This entire device is intended to be screwed into a typical light bulb socket in order to emit an audio alarm signal. This occurs when the light bulb socket is energized by a surge of one hundred and ten volt current.

REFERENCES:
patent: 1134360 (1915-04-01), Walker
patent: 2924661 (1960-02-01), Messeas, Jr.
patent: 4630248 (1986-12-01), Scott
patent: 4730184 (1988-03-01), Bach
patent: 4776018 (1988-10-01), Cordier
patent: 4851813 (1989-07-01), Gottlieb
"Sonalert Electronic Audible Signal"; Mallory Distributor Products for 9-398 B, 10/66.

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