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.:

US 8242412 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 14, 2012

Filed:

Aug. 27, 2009
Applicants:

Lei Liu, Shenzhen, CN;

Xiao-feng MA, Shenzhen, CN;

Inventors:

Lei Liu, Shenzhen, CN;

Xiao-Feng Ma, Shenzhen, CN;

Assignees:

Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., ShenZhen, Guangdong Province, CN;

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A heated keyboard includes a number of input keys and a circuit board. A heating member is arranged in each of the number of input keys connected to voltage pin of the circuit board via a heating switch. When the heating switch is turned on, the heating member receives a voltage signal from the circuit board, thereby the heating member generates heat for warming user's hand.


Find Patent Forward Citations

Liu, Lei. (2012). Heated keyboard (U.S. Patent No. 8242412). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8242412

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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