Video signal recording/reproducing apparatus

Details Video signal recording/reproducing apparatus Video signal recording/reproducing apparatus

1994-06-23

1995-06-27

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

360 331, 348445, H04N 576, H04N 701

Patent

active

054284546

ABSTRACT:
The apparatus includes a standards conversion circuit for converting a video signal of MUSE standard having an aspect ratio of 16:9 to be applied to an input terminal into a video signal of NTSC standard having an aspect ratio of 4:3 so that no drop out of the video image is generated and no empty space is generated in the video image and outputting the resultant signal through an output terminal. The video signal output from standards conversion circuit includes a deformation of the image originated from the difference in the aspect ratios. The video signal recording/reproducing apparatus further includes a circuit for recording the video signal of NTSC standard applied from standards conversion circuit on a recording medium and reproducing the same from the recording medium, and a vertical filter circuit for restoring the correct image by the video signal of NTSC standard by processing the video signal reproduced by recording/reproducing circuit and removing the deformation of the image due to the difference in the aspect ratios.

REFERENCES:
patent: 4845564 (1989-07-01), Hakamada et al.
patent: 4931855 (1990-06-01), Salvadorini
patent: 4984081 (1991-01-01), Miyoshi et al.
patent: 5003403 (1991-03-01), Hashimoto et al.
patent: 5122885 (1992-06-01), Yoshioka et al.
patent: 5150218 (1992-09-01), Ezaki
patent: 5223944 (1993-06-01), Shimada et al.
Itoga et al. "MUSE/NTSC Converter" IEEE Transactions on Consumer Elec. vol. 35, No. 3 Aug. 1989, pp. 142-151.
The English Translation of JP 3-148970, Jun. 25, 1991.

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