Noise canceller for use in a magnetic reproducing apparatus

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United States of America Patent

PATENT NO 5249064
SERIAL NO

07944899

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A magnetic recording/reproducing apparatus, which includes: a reproduced level detector for detecting the level of a reproduced signal and a memory for storing the reproduced level detected by the detector; and when recording a video signal, the signal is recorded and reproduced in advance, and this reproduced level is stored in the memory, so that an amount of emphasis of a detail emphasis circuit in a reproducing system and an amount of equalization of an FM equalizer in the recording system can be controlled in accordance with the stored reproduced level; while when reproducing the video signal, the level of a reproduced FM luminance signal is detected by the reproduced level detector, so that an amount of equalization of an FM equalizer, an amount of cancellation of a line noise canceler, and an amount of cancellation of a noise canceler in a reproducing system can respectively be controlled in accordance with the detected reproduced level; whereby the characteristic of a video tape can be controlled in accordance with the type thereof on an apparatus-wide and integrated basis.

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Patent Owner(s)

Patent OwnerAddress
AKAI ELECTRIC CO LTDOTA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Minakawa, Tokuichi Tokyo, JP 6 25

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