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:
Jul. 03, 2007
Filed:
Dec. 02, 2003
Applicant:
Hideki Ito, Fukushima-ken, JP;
Inventor:
Hideki Ito, Fukushima-ken, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a keyboard including a plurality of keys, each key has a key top, a guiding structure that includes linking units pivotally movable in response to vertical motion of the key top, an elastic member to be pressed down by the vertical motion of the key top, and a contact which is operatively associated with the vertical motion of the key top. The guiding structure includes a common unit which is shared with all the other keys.