Slow reproducing apparatus for VTR or VCR using image memory

Details Slow reproducing apparatus for VTR or VCR using image memory Slow reproducing apparatus for VTR or VCR using image memory

1986-10-15

1989-01-03

Faber, Alan

Dynamic magnetic information storage or retrieval

Record editing

360 103, 360 362, 360 70, 358339, H04N 5783, H04N 595

Patent

active

047961236

ABSTRACT:
In a slow reproducing apparatus, a magnetic tape is intermittently driven. In a tape stop state during the intermittent drive operation, a video signal for one field is written in a field memory, and in a tape moving state during the intermittent driving operation, the written signal is read out from the field memory. A means for correcting a read timing error of the video signal caused by a variation in tape stop position during the intermittent driving operation is used, thus obtaining a noiseless, stable, slow reproduced image.

REFERENCES:
patent: 3742132 (1973-06-01), Sanguu
patent: 4214262 (1980-07-01), Mizukami
patent: 4251830 (1981-02-01), Tatami
patent: 4389678 (1983-06-01), Mizukami
patent: 4445145 (1984-04-01), Moriya
patent: 4558375 (1985-12-01), Sontheimer
SMPTE Journal, 3-78, "A Digital Noise Reducer for Encoded NTSC Signals", by R. H. McMann, et al., vol. 87, No. 3, pp. 129-133.

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