Video tape recorder system

Details Video tape recorder system Video tape recorder system

1987-09-04

1989-09-26

Mullins, James B.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358328, 358330, 358310, 360 84, H04N 979

Patent

active

048705071

ABSTRACT:
A tape format of 4-mm wide video tape for use in a video tape recorder adopting helical scanning and azimuth recording methods is disclosed in conjunction with a video tape recorder system thereof, which enables the video tape recorder to achieve the greatest size-reduction and improve the resolution in picture reproducing by raising the S/N ratio of video signals. The tape format includes a video width area for an automatic track finding signal to control the traveling of tape and the video signal consisting of color signals and luminance signals, an option track area for recording audio signals, a first guide area for keeping the minimum part of tape in touch with the upper drum, a second guide area for separating the audio signals of the option track area from the video signals of the video width area, and first and second overlap areas respectively below the first guide area and above the second guide area, provided for overlapping the video signals on the edges of video tracks in recording operation.

REFERENCES:
patent: 4390906 (1983-06-01), Furumoto et al.
patent: 4402023 (1983-08-01), Hiraguri

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