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:
Dec. 18, 2018
Filed:
Jul. 14, 2016
Applicant:
Qiang HU, Shanghai, CN;
Inventor:
Qiang Hu, Shanghai, CN;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 17/02 (2006.01); H04R 1/04 (2006.01); H04R 7/04 (2006.01); H04R 1/08 (2006.01); H04R 3/00 (2006.01); H04R 1/02 (2006.01);
U.S. Cl.
CPC ...
H04R 17/02 (2013.01); H04R 1/04 (2013.01); H04R 1/08 (2013.01); H04R 3/00 (2013.01); H04R 7/04 (2013.01); H04R 1/021 (2013.01); H04R 2201/029 (2013.01); H04R 2307/023 (2013.01);
Abstract
A cylindrical contact-type microphone relates to the technical field of audio devices, and solves the technical problem of inconvenient assembly of an existing contact-type microphone. The microphone comprises a shell, and a circuit board (), a piezoelectric ceramic sheet (), a lower-stage connection plate () and a conductive polar ring () which are mounted within the shell, wherein the shell is a two-section cylindrical conductive cylinder body, and a negative signal lower connection sheet of the lower-stage connection plate () is electrically connected to a step () at a joint portion of an upper cylinder section () and a lower cylinder section () of the shell.