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:
Oct. 23, 2001
Filed:
Oct. 11, 1994
Applicant:
Inventor:
Makoto Yamagishi, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 ; A61B 7/02 ;
U.S. Cl.
CPC ...
H04R 1/02 ; A61B 7/02 ;
Abstract
An electro-acoustic transducer for a sound reproducing system includes an electro-acoustic transducer in a cabinet and a sound guide tube for conducting the sound from the transducer unit out of the cabinet. The sound guide tube has a sound radiating end with a smaller diameter than the external acoustic meatus to allow the sound radiating end to be inserted into the external auditory meatus.
Quick Actions:
Yamagishi, Makoto. (2001). Electro-acoustic transducer and housing (U.S. Patent No. 6307943). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6307943
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile