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Piezoelectric speaker

Known as: Piezoelectric loudspeaker, Piezoelectric speakers 
A Piezoelectric speaker or buzzer is a loudspeaker that uses the piezoelectric effect for generating sound. The initial mechanical motion is created… 
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2010
2010
We propose an active noise control (ANC) system for reducing periodic noise generated in a high field area such as noise… 
2010
2010
In this paper we describe the design of novel, ultra-thin piezoelectric speakers for mobile phones. Due to the expansion of the… 
2010
2010
The utility model provides a ceramic piezoelectric speaker, which comprises a lower frame, an upper cover plate and a ceramic… 
2010
2010
The invention provides a nonmetallic vibration film multilayer piezoelectric speaker, wherein a frame is provided with a… 
2008
2008
The utility model discloses an integral intelligent monitoring and alarming device for network security protection, which… 
2008
2008
The utility model provides a compound piezoelectric loudspeaker, which is composed of a piezoelectric piece which is manufactured… 
2007
2007
A piezoelectric speaker (40), comprising a piezoelectric element (42) deforming in response to an input signal, a diaphragm (43… 
2004
2004
The present invention relates to a kind of flat piezoelectric speaker driving apparatus, a flat piezoelectric speaker drive… 
2003
2003
The loudspeaker has a flat sound emitting panel 25 mounted onto a support structure and at least one electroactive actuator 26… 
1992
1992
Avalanche rescue beacons, used efficiently, are well known to be the best means of effecting rapid recovery of buried avalanche…