Timed buzzer

Details Timed buzzer Timed buzzer

1977-04-11

1978-07-11

Pitts, Harold I.

Communications: electrical

Audible indication

Pneumatic-type sound producer

3403091, 335145, G01K 108, G08B 300

Patent

active

RE0297011

ABSTRACT:
A timed buzzer assembly having a rectangular base with four terminals insert molded in the base and a generally cup-shaped cover member over the base providing the housing. All of the terminals project through the base member with the armature of the buzzer supported on one terminal and the coil assembly of the buzzer supported on a second terminal. For the purpose of timing the buzzer and also controlling a warning light, a bimetal timer is provided having bimetal elements one supported on a third terminal and the other supported on the above referred to second terminal. The fourth terminal is a ground to which a heating element for the bimetal timer is connected.

REFERENCES:
patent: 3728658 (1973-04-01), Kasahara
patent: 3760411 (1973-09-01), Youhanaian
patent: 3774200 (1973-11-01), Heath
patent: 3846792 (1974-11-01), Haigh
patent: 3938143 (1976-02-01), Little

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