Communications: electrical – Audible indication – Diaphragm
Patent
1992-01-23
1994-02-15
Crosland, Donnie L.
Communications: electrical
Audible indication
Diaphragm
3403911, G08B 300
Patent
active
052870847
ABSTRACT:
A small and thin buzzer which can be mounted on a printed circuit board. A buzzer assembly and a lead connecting chamber are provided in a buzzer case. One end of each of the terminals for external connection is extended to the inside of the lead connecting chamber and the exciting coil terminals of the buzzer assembly are connected to the terminals for external connection within the buzzer case. A lead groove for leading the exciting coil terminals therethrough are provided on the inner surface of the buzzer case. Thus, the connection between the exciting coil terminals and the terminals for external connection is facilitated and a resonance space for the buzzer assembly is secured.
REFERENCES:
patent: 3945004 (1976-03-01), Myers
patent: 4075626 (1978-02-01), Sakaguchi et al.
patent: 4149153 (1979-04-01), Shigemori et al.
patent: 4175262 (1979-11-01), Harakawa
patent: 4286257 (1981-08-01), Slavin et al.
patent: 4413253 (1983-11-01), Hofer et al.
patent: 4823110 (1989-04-01), Dorward et al.
Crosland Donnie L.
Star Micronics Co. Ltd.
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