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:
Jun. 04, 2013
Filed:
Aug. 24, 2007
Shu Murayama, Tokyo, JP;
Masahiro Abukawa, Tokyo, JP;
Nobuyoshi Okumura, Tokyo, JP;
Kenji Sakata, Tokyo, JP;
Shu Murayama, Tokyo, JP;
Masahiro Abukawa, Tokyo, JP;
Nobuyoshi Okumura, Tokyo, JP;
Kenji Sakata, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A conditional access apparatus receives a filter condition from another conditional access apparatus to set the filter condition to a filter unitthereof. When key information meeting the above-mentioned filter condition is outputted from the filter unit, the conditional access apparatus informs the key information to the other conditional access apparatus, and also informs the filter condition set to the filter unitby the key information control unitto the other conditional access apparatus and acquires key information meeting the above-mentioned filter condition from the other conditional access apparatus.