Method and apparatus for protecting broadcast data

Details Method and apparatus for protecting broadcast data Method and apparatus for protecting broadcast data

2003-11-19

2009-06-09

Harvey, David E (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386SE09036, C380S203000

Reexamination Certificate

active

07546023

ABSTRACT:
A broadcasting system, a receiving apparatus, a broadcasting method, and a receiving method which can protect a copyright of a still image which is sent by a digital broadcast are provided. When it is necessary to protect the copyright of the still image in the digital broadcast, a still image copy control descriptor is described and this still image copy control descriptor is included in PMT, EIT, and SDT. By using the still image copy control descriptor, the operation of a receiver can be finely described by copyright information of the still image in the digital broadcast and copyright information. Printing in the receiver of contents of the digital broadcast can be finely controlled. Recording to a recording medium in the receiver of contents of the digital broadcast can be finely controlled.

REFERENCES:
patent: 2002/0056115 (2002-05-01), Yoneda et al.
patent: 0 994 621 (2000-04-01), None
patent: 1 085 740 (2001-03-01), None
patent: 2000-123480 (2000-04-01), None
patent: 2001-86452 (2001-03-01), None
patent: 2002-124927 (2002-04-01), None
patent: WO-01/33851 (2001-05-01), None

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