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:
May. 29, 2012
Filed:
Mar. 25, 2004
Hidekazu Suzuki, Nara, JP;
Hidekazu Suzuki, Nara, JP;
Panasonic Corporation, Osaka, JP;
Abstract
The invention provides a revocation information transmission method, revocation information reception method, revocation information transmitting apparatus, and revocation information receiving apparatus, wherein all the video output apparatuses such as STB may have a revocation list in common, and it is possible to exclude unjust display and to improve the security of the digital interface for connecting a video output apparatus to a display. The revocation information transmission method comprises at least a step of preparing integrated revocation information by integrating the revocation information of the contents transmitting equipment or contents receiving equipment, a step of packetizing the integrated revocation list and multiplexing it into a stream, and a step of transmitting the stream.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile