Piezoelectric buzzer SIP circuit device and packaging structure thereof

The utility model discloses a piezoelectric buzzer SI P circuit device and a packaging structure thereof, belongs to the technical field of buzzers, and aims to solve the problems that the conventional piezoelectric buzzer is high in sound pressure level, small in power consumption, large in size an...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YANG ZEFEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOUND-PRODUCING DEVICES
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