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. 11, 2012
Filed:
Jul. 12, 2005
Zhongqing LI, Beijing, CN;
Zhongqing Li, Beijing, CN;
Lenovo (Beijing) Limited, Beijing, CN;
Abstract
The present invention discloses an information input device for a portable electronic apparatus comprising a touch unit for perceiving the touch from a user and generating a change in current, a current detection unit for detecting said change in current and sending associated detection signal, an input information generating unit for generating input information based on said detection signal and an output interface for transferring said input information to said electronic apparatus, which further comprises: an input state acquisition unit for acquiring the input state when the user uses said portable electronic apparatus; and an input switch unit for parsing said input state and control the on and off of trackpad-type input of said portable electronic apparatus based on said input state. An information input control method for a portable electronic apparatus is also disclosed.