Structure of buzzer

Details Structure of buzzer Structure of buzzer

1999-09-15

2000-11-14

Pope, Daryl C.

Communications: electrical

Audible indication

Diaphragm

3406911, 3406935, 3403911, 3403846, G08B 300

Patent

active

061475955

ABSTRACT:
A buzzer, which includes a casing, a diaphragm supported on an upright annular supporting flange inside the casing, and a circuit board mounted within the casing and electrically connected to the diaphragm, wherein the casing has locating ribs symmetrically disposed on the inside for the positioning of the circuit board in the casing; the circuit board has three metal contact spring elements raised from the bottom side wall thereof and respectively maintained in contact with respective conductive zones at the diaphragm, and a plurality of peripheral notches respectively matched with the locating ribs in the casing.

REFERENCES:
patent: 5296839 (1994-03-01), Le
patent: 5719549 (1998-02-01), Lui
patent: 5867090 (1999-02-01), Chen

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