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:
Jan. 02, 2007
Filed:
Feb. 17, 2004
Applicants:
Masahito Furuya, Yamanashi-ken, JP;
Hironori Kuwabara, Yamanashi-ken, JP;
Inventors:
Masahito Furuya, Yamanashi-ken, JP;
Hironori Kuwabara, Yamanashi-ken, JP;
Assignee:
Citizen Electronics Co., Ltd., Fujiyoshida, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electroacoustic transducer has an annular permanent magnet provided in a frame, and an annular top plate mounted on the permanent magnet. A ring is secured to the upper surface of the top plate. A diaphragm is secured to the ring.
Furuya, Masahito. (2007). Electroacoustic transducer (U.S. Patent No. 7158650). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7158650
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile