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.:

US 8573700 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 05, 2013

Filed:

Aug. 27, 2008
Applicants:

Takeshi Togura, Sakura, JP;

Yuichiro Yamaguchi, Sakura, JP;

Inventors:

Takeshi Togura, Sakura, JP;

Yuichiro Yamaguchi, Sakura, JP;

Assignee:

Fujikura Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C 7/36 (2006.01);
U.S. Cl.
CPC ...
Abstract

To perform highly precise position adjustment for head restraint in short time regardless of distance between head restraint and human body and head shape. Head restraint position adjusting deviceincludes capacitance sensor unitand drive motor unit. Capacitance sensor unitincludes first and third sensing electrodesandand detection circuit. First sensing electrodeis arranged in an upper portion of front portion of head restraintand senses capacitance between itself and vicinity of parietal regionof headof human body. Third sensing electrodeis arranged in lower portion of front portion and senses capacitance between itself and any portion of human bodyother than vicinity of parietal region. When head restraintmoves from initial condition, detection circuitdetects position of parietal regionof head(parietal region position) and determines appropriate position of head restraintfor head, enabling highly precise position adjustment in short time.


Find Patent Forward Citations

Togura, Takeshi. (2013). Headrest position adjustment device and headrest position adjustment method (U.S. Patent No. 8573700). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8573700

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