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:
May. 16, 1989
Filed:
Apr. 29, 1988
Applicant:
Inventor:
Kunio Hosono, Iwaki, JP;
Assignee:
Alps Electric Co., Ltd., , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400490 ; 400472 ;
Abstract
A keyboard switch comprising a plurality of switch bodies arranged on an attachment plate, a key top, sufficiently larger than the switch body, attached to at least one switch body, a cut-away portion or opening formed in the attachment plate between the key top and a base plate, and circuit parts located in a space which is formed by the cut-away portion or opening, the underside of the key top and the base plate, so that switches and circuit parts can be arranged to efficiently use the space on the base plate.