RECORDING FORMAT FOR AUTOMATIC ADJUSTEMENT, RECORDING DEVICE THEREFOR, AND AUTOMATIC ADJUSTEMENT DEVICE

WIPO Patent Application WO/1998/045836

A1

A recording format comprising, in order to improve the adjustement efficiency of a high density recording/reproducing device by automatic adjustement and to realize excellent compatible reproducing characteristics despite the characteristics variation of the magnetic head, change of characteristics due to wear and characteristics variation of the recording medium, two recording areas of the single repetitive data of a reference wavelength for the adjustment of a reproducing amplifier and a short wavelength for the adjustment of a reproducing equalizer, a recording area of adjustment data for the error detection and the precise adjustment of the reproducing equalizer, one or more no-data areas for the recording system adjustment, identification data which indicate that the medium is for the automatic adjustment and indicate the types of the areas depending on the kind and necessity, and, if necessary, time codes; a recording device which recordes the recording format in recording medium; and an automatic adjustment device which performs automatic adjustment by using the data of the recording format on the reference recording medium.

FUJIWARA MIKIO (JP)

PCT/JP1998/001591

October 15, 1998

April 07, 1998

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MATSUSHITA ELECTRIC IND CO LTD (JP)
FUJIWARA MIKIO (JP)

H04N5/765; G11B5/008; G11B5/02; G11B5/035; G11B5/09; G11B5/55; G11B20/10; G11B20/12; G11B20/18; G11B27/30; G11B27/36; H04N5/781; G11B5/00; G11B15/07; H04N17/06; (IPC1-7): G11B5/00

JPH02256391A	1990-10-17
JPH05144123A	1993-06-11
JPS5866073A	1983-04-20

See also references of EP 0918318A4

Takimoto, Tomoyuki (1006, Oaza Kadom, Kadoma-shi Osaka, JP)

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