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. 02, 2014
Filed:
Dec. 05, 2012
Won-tae Kim, Gyeonggi-do, KR;
Do-jun Rhee, Gyeonggi-do, KR;
Tae-hoon Kim, Gyeonggi-do, KR;
Hyo-sun Hwang, Gyeonggi-do, KR;
Won-Tae Kim, Gyeonggi-do, KR;
Do-Jun Rhee, Gyeonggi-do, KR;
Tae-Hoon Kim, Gyeonggi-do, KR;
Hyo-Sun Hwang, Gyeonggi-do, KR;
Abstract
Handheld wireless communications devices include a data input device, which is configured to receive first input data provided by a user, a main processor and a security processor. The security processor includes an input interface and input processing block configured to extract second data from a first portion of the first input data using, for example, a data mapping operation. The security processor also includes an encryption circuit, which is configured generate secure data from the extracted second data by encrypting the extracted second data using an encryption key, and a data/control interface, which is configured to transfer the secure data to the main processor.