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:
Feb. 01, 2005
Filed:
Feb. 20, 2003
Tsutomu Yamaguchi, Hamamatsu, JP;
Tsutomu Yamaguchi, Hamamatsu, JP;
Kabushiki Kaisha Kawai Gakki Seisakusho, Shizuoka-ken, JP;
Abstract
An operation detection switch capable of reproducing the manner of performance in which the speed of depressing an operating portion changes in the middle of a key action and of achieving a reduced manufacturing cost. The operation detection switch includes a switch main body and legs. A fulcrum projection, a first extending portion, protrusion and a second extending portion are provided in sequence along one end to the other end of and extending from the switch main body. Furthermore, a pressure projection is provided on the other end of the switch main body. Movable contacts corresponding to fixed contacts formed on a printed circuit board are formed at the tips of the first and the second extending portions. The operation detection switch and the printed circuit board constitute a detection device for detecting the depressing action of the key.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile