Information recording medium, information recording device...

Details Information recording medium, information recording device... Information recording medium, information recording device...

2004-09-28

2009-10-13

Chevalier, Robert (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000

Reexamination Certificate

active

07603027

ABSTRACT:
An information recording apparatus (1) is provided with: a recording device (310) for recording record information onto an information recording medium by irradiating the information recording medium (100) with laser light with a recording power according to a set value; a calculating device (340) for preparing correlation information which represents a correlation between the set value and reproduction quality, and for obtaining a reference set value which gives target reproduction quality as being desired reproduction quality, by reproducing test-record information recorded with changing the set value on the recording device; a measuring device (330) for measuring the reproduction quality, by reproducing the record information recorded by using the reference set value on the recording device; and an adjusting device (400) for obtaining adjustment amount of the reference set value on the basis of the correlation information if the reproduction quality measured by the measuring device is different from the target reproduction quality, and for adjusting the reference set value such that a set value which is adjusted based on the adjustment amount is to be a new reference set value.

REFERENCES:
patent: 2003/0036861 (2003-02-01), Matsumoto
patent: 2004/0145978 (2004-07-01), Yamamoto
patent: 10-283656 (1998-10-01), None
patent: 2000-504467 (2000-04-01), None
patent: 2002-208139 (2002-07-01), None
patent: 2002-373421 (2002-12-01), None
patent: 2003-085760 (2003-03-01), None

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