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:
Mar. 03, 2009
Filed:
Nov. 27, 2007
Applicant:
Cheng-hua Chuang, Lujhou, TW;
Inventor:
Cheng-Hua Chuang, Lujhou, TW;
Assignee:
Behavior Tech Computer Corp., Sijhih, Taipei County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
A key structure, which comprises a key cap, a linkage mechanism, a fixed base, a resilient assembly and a membrane circuit board, of a computer keyboard is provided, The key cap has a top and a bottom. The fixed base, formed with a receiving space, has a top and a bottom. The linkage mechanism is disposed between the key cap and the fixed base. The resilient assembly fits into the receiving space of the fixed base and connected to the bottom of the key cap. The membrane circuit board is disposed on the bottom of the fixed base and located under the resilient assembly.