Optical recording with track drop compensation

Details Optical recording with track drop compensation Optical recording with track drop compensation

1978-08-30

1980-06-03

Canney, Vincent P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

1791003N, G11B 700, H03F 128

Patent

active

042064775

ABSTRACT:
The beam intensity of an optical recording system employed for recording frequency modulated composite video signals on discs undergoes temporal distortion at critical signal frequencies in a manner complementary to the effects of frequency distortion in the spatial frequency response of the recording system. Concomitant recording of the composite signal and a groove effects a practical elimination of signal track drop which results when recording is effected on pre-grooves discs, and additionally eliminates frequency response distortions in the recorded signal due to the optical recording system.

REFERENCES:
patent: 4093961 (1978-06-01), Kanamura
patent: 4114180 (1978-09-01), Kayanumz
patent: 4123780 (1978-10-01), Honjo

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