The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 25, 2012
Filed:
Aug. 04, 2010
Dong-kyun Kim, Suwon-si, KR;
Jun-sik Hwang, Hwaseong-si, KR;
Seok-whan Chung, Suwon-si, KR;
Byung-gil Jeong, Anyang-si, KR;
Dong-kyun Kim, Suwon-si, KR;
Jun-sik Hwang, Hwaseong-si, KR;
Seok-whan Chung, Suwon-si, KR;
Byung-gil Jeong, Anyang-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
Provided is a piezoelectric micro speaker. The piezoelectric micro speaker includes a device plate having a front cavity, a front plate having a radiation hole which communicates with the front cavity in front of the device plate, and a rear plate having a rear cavity and a vent portion. A rear portion of the device plate forms a wall of the vent portion. The device plate includes at least one first vent hole which communicates with the vent portion, and the front plate includes at least one second vent hole which communicates with the first vent hole.