Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1986-12-09
1988-05-10
Perkey, W. B.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358343, H04N 980, H04N 5782, G11B 502
Patent
active
047439785
ABSTRACT:
In the video tape recorder capable of providing a recording and reproduction with high picture quality, first and second heads of a first azimuth angle and for recording and reproducing the luminance signal is disposed on the rotary head cylinder. Third and fourth heads of a second azimuth angle different from the first azimuth angle, and for recording and reproducing the color signal is disposed adjacent to the first and second heads on the rotatry head cylinder, respectively. The second and fourth heads are disposed at a position separate, by a distance corresponding to the period of integer times one horizontal scanning period of the recorded video signal, from the position on the rotary head cylinder rotated 180.degree. from that of the first and third heads, respectively. A fifth head with the second azimuth angle is disposed at a positon rotated 180.degree. from that of the first head. High image quality recording and reproduction can be performed by using the first to fourth heads. The first and fifth heads reproduces the video information as recorded on the video tape in the format which is employed for the current home use VTR, and in which the frequency-modulated luminance signal and the low-frequency converted color sub-carrier signal are superposed and recorded in one track.
REFERENCES:
patent: 4376957 (1983-03-01), Dischert et al.
patent: 4591924 (1986-05-01), Miura et al.
patent: 4672467 (1987-06-01), Heitmann
IEC Secretariat Document No. SC60B (S) 118 Professional Recording Format on BETA Cassettes (Type L).
IEC Secretariat Document SC 60B(s) 119 Professional Recording Format on VHS cassettes (Type M).
German periodical Fernseh-Und Kino-Technik, vol. 38, No. 12/1984, pp. 523 to 532.
Kabushiki Kaisha Toshiba
Perkey W. B.
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