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:
Jan. 17, 2023
Filed:
Sep. 23, 2021
Applicant:
Primax Electronics Ltd., Taipei, TW;
Inventor:
Hui-Ling Lin, Taipei, TW;
Assignee:
PRIMAX ELECTRONICS LTD., Taipei, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/02 (2006.01); H05B 47/17 (2020.01); H01H 13/83 (2006.01);
U.S. Cl.
CPC ...
G06F 3/021 (2013.01); H01H 13/83 (2013.01); H05B 47/17 (2020.01);
Abstract
A backlight control system includes a keyboard device and a computing device. The keyboard device includes a fixed light sheet, at least one movable light sheet, a light guide module and a key module. The computing device includes a processing unit. The movable light sheet is detachably and electrically connected with the fixed circuit board. The fixed light sheet projects a first light beam to plural keys of the key module through the light guide module. In a special scenario mode, the processing unit drives the movable light sheet to project a second light beam to at least one special key of the key module.