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:
May. 08, 2012
Filed:
Oct. 01, 2004
Cheong-dam Song, Seoul, KR;
Eek-joo Chung, Gimpo, KR;
Jun Lim, Seoul, KR;
Sung-ho Park, Incheon, KR;
Hyun-ho Kim, Incheon, KR;
Cheong-Dam Song, Seoul, KR;
Eek-Joo Chung, Gimpo, KR;
Jun Lim, Seoul, KR;
Sung-Ho Park, Incheon, KR;
Hyun-Ho Kim, Incheon, KR;
BSE Co., Ltd., Incheon, KR;
Abstract
A condenser microphone mountable on a main PCB includes a cylinder-shaped case having opened and closed sides; a first metal ring inserted into the case; a disk-shaped back plate having a sound hole to be connected electrically to the case through the first metal ring; a spacer; an insulating ring to provide electrical insulation and mechanical support. A diaphragm is inserted into the insulating ring and faces the back plate while interposing the spacer between the diaphragm and the back plate. A second metal ring is connected electrically to the diaphragm and mechanically supports the diaphragm, and a PCB is mounted and forms with a sound hole. The PCB is connected to the back plate through the second metal ring and the case, and the PCB includes connection terminals.