Piezoelectric buzzer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 1, 2010
Grant Date -
Feb 5, 2009
app pub date -
Aug 1, 2007
filing date -
Aug 1, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A piezoelectric buzzer includes a housing unit, a buzzer unit, and first and second terminals. The housing unit includes first and second housings coupled together. The second housing includes a base plate and a pair of spaced apart insert seats, each of which protrudes inwardly from the base plate toward the first housing and is formed with an insert hole. The buzzer unit is disposed in the resonant chamber and includes a vibrating plate and a piezoelectric plate attached to the vibrating plate. The first and second terminals are inserted respectively into the insert holes of the insert seats, and have a respective connection section extending outwardly of the housing unit, and a respective extending section abutting against a respective one of the vibrating plate and the piezoelectric plate.
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