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:
Sep. 23, 2003
Filed:
Sep. 28, 2001
Applicant:
Inventor:
Winky Lin, Taipei, TW;
Assignee:
Silitek Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/702 ; B41J 5/28 ; B41J 5/12 ; B41J 5/14 ; B41J 5/16 ;
U.S. Cl.
CPC ...
B41J 2/702 ; B41J 5/28 ; B41J 5/12 ; B41J 5/14 ; B41J 5/16 ;
Abstract
A collapsible keyboard comprises at least one keyboard module, and each keyboard module has a plurality of keyswitches arranged in array pattern. At least one membrane circuit is provided to connect the plurality of keyswitches. When the keyboard is in an operation state, each keyswitch having a predetermined separation with adjacent keyswitch, and the separation is the same as that in a standard keyboard. To shrink the keyboard, the plurality of keyswitches can be arranged in a collapsed state to reduce the transverse size of the keyboard, the lengthwise size of the keyboard, or both sizes.