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.

Date of Patent:
Nov. 22, 2011

Filed:

Nov. 07, 2008
Applicants:

Young-min Park, Seongnam-si, KR;

Jun-ho Jang, Hwaseong-si, KR;

Gyung-pyo Hong, Yongin-si, KR;

Keum-yong OH, Yongin-si, KR;

Hae-su Gwon, Gunpo-si, KR;

Inventors:

Young-min Park, Seongnam-si, KR;

Jun-ho Jang, Hwaseong-si, KR;

Gyung-pyo Hong, Yongin-si, KR;

Keum-yong Oh, Yongin-si, KR;

Hae-su Gwon, Gunpo-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/00 (2006.01); G06F 9/24 (2006.01); G06F 15/177 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided are a method and a device for booting a host embodying a downloadable conditional access system (DCAS), wherein one of a plurality of pre-determined booting modes is decided as a booting mode of the host based on first information indicating whether a host can communicate with a broadcasting service provider and second information indicating whether a software-based security client providing information required for decrypting broadcasting data is installed to a hardware-based security module connected to the host, and the host is booted in the decided booting mode.


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