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:
Nov. 08, 2011
Filed:
Dec. 08, 2009
Yun-ho Youm, Seoul, KR;
Mi-jung Noh, Yongin-si, KR;
Hong-mook Choi, Bucheon-si, KR;
Xingguang Feng, Yongin-si, KR;
Yun-ho Youm, Seoul, KR;
Mi-jung Noh, Yongin-si, KR;
Hong-mook Choi, Bucheon-si, KR;
Xingguang Feng, Yongin-si, KR;
Abstract
In an apparatus including a joint test action group (JTAG) authentication device, and a JTAG authentication method using the apparatus, the apparatus includes a joint test action group (JTAG) authentication device, the apparatus comprising a JTAG access circuit that determines whether to access a JTAG-compliant device according to a predetermined protocol that governs the JTAG-compliant device and the apparatus, wherein the JTAG access circuit at least one of inactivates at least one of inner bus lines and inner units and activates the at least one of the inner bus lines and the inner units according to whether the JTAG-compliant device is accessed.