Recording and reproduction apparatus, medium and information...

Details Recording and reproduction apparatus, medium and information... Recording and reproduction apparatus, medium and information...

2007-03-13

2007-03-13

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C711S163000

Reexamination Certificate

active

09891626

ABSTRACT:
A recording and reproduction apparatus hasa recording and reproduction control means of controlling recording in and reproduction from a main data recording region of a recording medium which has the main data recording region;a command reception means of receiving both raw access commands and non-raw access commands; andan authentication means of judging whether or not the command issuing origin should be authenticated based on the types of the received commands and of authenticating the command issuing origin according to the judgment result, whereinthe recording and reproduction control means decides to carry out the received commands in the case that it is not necessary to authenticate the command issuing origin and in the case that the command issuing origin is authenticated and this authentication has succeeded.

REFERENCES:
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European Search Report for EP 01 11 5489, dated Oct. 12, 2005.

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