Buzzer with rigid electrical leads

Details Buzzer with rigid electrical leads Buzzer with rigid electrical leads

1978-05-17

1979-11-20

Pitts, Harold I.

Communications: electrical

Audible indication

Diaphragm

340384E, 340392, 340396, G10K 912, G10K 100

Patent

active

041752627

ABSTRACT:
A buzzer comprises a vibrator unit including a diaphragm which is supported within a housing, and a drive unit including a coil assembly which electromagnetically excites the vibrator unit. The coil assembly includes a bobbin of a non-magnetic and non-conductive material and having flanges at its both axial ends, and a winding disposed on the bobbin. The drive unit is supported by at least one of the flanges and is provided with a plurality of rigid electrical leads which project to the exterior of the housing.

REFERENCES:
patent: 3950744 (1976-04-01), Stephens

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