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:
Dec. 04, 2007
Filed:
Apr. 11, 2005
Applicant:
Yu-hsi Wu, Taipei, TW;
Inventor:
Yu-Hsi Wu, Taipei, TW;
Assignee:
Behavior Tech Computer Corp., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a wireless input device with a low voltage mandatory alert function, including: a battery for supplying power for the wireless input device; a microcontroller for handling the input signals of the wireless input device. The present invention is characterized in that the microcontroller is used for detecting the voltage of the battery; when the voltage is lowered to the lower limit voltage, the wireless input device can no longer operate.