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:
Feb. 27, 2024
Filed:
Jun. 14, 2022
Applicant:
Primax Electronics Ltd., Taipei, TW;
Inventors:
Yung-Tai Pan, Taipei, TW;
Chun-Nan Su, Taipei, TW;
Chien-Pang Chien, Taipei, TW;
Ting-Sheng Wang, Taipei, TW;
Assignee:
PRIMAX ELECTRONICS LTD., Taipei, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/705 (2006.01); G06F 3/02 (2006.01); H01H 13/83 (2006.01); H01H 13/14 (2006.01);
U.S. Cl.
CPC ...
H01H 13/705 (2013.01); G06F 3/0202 (2013.01); H01H 13/14 (2013.01); H01H 13/83 (2013.01);
Abstract
A control device is provided. A key structure of the control device includes a keycap, an optical film layer and a membrane switch. A protrusion structure is formed on the optical film layer or the membrane switch. When the keycap is pressed down by the user, the arrangement of the protrusion structure can facilitate the user to trigger the underlying membrane switch more precisely.