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. 17, 2013
Filed:
Mar. 19, 2012
Makoto Yamagishi, Tokyo, JP;
Hideki Seki, Saitama, JP;
Noriyuki Hiyama, Kanagawa, JP;
Yukimasa Yamaguchi, Tokyo, JP;
Takeshi Hara, Kanagawa, JP;
Makoto Yamagishi, Tokyo, JP;
Hideki Seki, Saitama, JP;
Noriyuki Hiyama, Kanagawa, JP;
Yukimasa Yamaguchi, Tokyo, JP;
Takeshi Hara, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
An ear speaker device includes an electroacoustic transducer including a housing mounted at a predetermined position of listener's head, a speaker unit mounted on one surface in the housing, and positioned away from an entrance of the listener's external acoustic meatus for a predetermined distance when the housing is mounted on the listener's head, and a tubular duct extended so as to allow a sound generated by the housing in the inner space thereof to reach the vicinity of the entrance of the listener's external acoustic meatus, and a hole for emitting sound of the duct is oriented to the opposite direction with respect to the entrance of the external acoustic meatus; and a mounting part used for mounting the electroacoustic transducer on the listener's head in a manner that the predetermined distance is provided between the speaker unit and the entrance of the listener's external acoustic meatus.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile