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. 20, 1977
Filed:
Apr. 05, 1976
Applicant:
Inventor:
Kyota Yamada, Hatogaya, JA;
Assignee:
Bodysonic Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
1791 / ; 128 33 ;
Abstract
A sound frequency reproduction system and apparatus has a chair for a human. A transducer is vibrated by a sound signal of appropriate frequency. The vibrating shaft of the transducer is directly fitted to the framework of the chair. The sound signal is provided to an acoustic device, including a speaker, located near the chair.