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:
Nov. 24, 2015
Filed:
May. 19, 2010
Kenichi Furukawa, Tokyo, JP;
Kensuke Yamada, Tokyo, JP;
Takayuki Numakunai, Tokyo, JP;
Yoshihiro Sakanushi, Tokyo, JP;
Shintaro Tomitsuka, Tokyo, JP;
Kenichi Furukawa, Tokyo, JP;
Kensuke Yamada, Tokyo, JP;
Takayuki Numakunai, Tokyo, JP;
Yoshihiro Sakanushi, Tokyo, JP;
Shintaro Tomitsuka, Tokyo, JP;
MITSUMI ELECTRIC CO., LTD., Tokyo, JP;
Abstract
An operation input apparatus configured to receive a force from an operator, including: a boardincluding a placement surface on which coilsare placed, the coils being arranged in a circumferential direction of a circle formed by connecting points apart from a reference point by the same distance; a keythat is provided in a side where the force is input with respect to the board; and a return springelastically supporting the key, wherein the keyincludes an opposed surface opposed to the placement surface and an operation surface configured to receive an application of the force, and causes an inductance of at least one of the coilsto change with an approach of the opposed surface to the placement surface due to the application of the force on the operation surface.