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. 21, 2000
Filed:
Jan. 13, 1999
Applicant:
Inventors:
Ching Cheng Tsai, Keelung, TW;
Wen To Chou, Taipei Hsien, TW;
Assignee:
Chicony Electronics Co., Ltd., Taipei Hsien, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200344 ; 200341 ;
Abstract
The inventive keyswitch comprises a base plate, a conductive membrane, an elastic member, a key support mechanism and a key wherein the first support lever and the second lever of the key support mechanism are of the same structure and pivotably joined in a scissors-form. The molding die can be simplified, the assembling efficiency can be enhanced and the cost is reduced.
Tsai, Ching. (2000). Keyswitch structure (U.S. Patent No. 6040540). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6040540
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile