Magnetic recording and reproducing apparatus for recording and r

Details Magnetic recording and reproducing apparatus for recording and r Magnetic recording and reproducing apparatus for recording and r

1984-04-20

1986-09-30

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358338, 360 91, 360 101, 360 22, 360 331, 369 32, H04N 5782

Patent

active

046149805

ABSTRACT:
Magnetic recording and reproducing apparatus records and reproduces on or from a magnetic recording tape a high speed video signal obtained from a high speed scanning video camera having a scanning speed N times the scanning speed of a standard video camera generating a standard television video signal, where N is an integer. The apparatus includes a drive for driving the magnetic recording tape to a run at tape speed N times the tape speed of a standard recording apparatus, circuitry for dividing the high speed video signal into N-channel video signals, and an expander for expanding the time axis of the high speed video signal so that each of the N-channel video signals is slightly compressed as compared to the standard television video signal. A modulator modulates each of the video signals the time axes of which are expanded, and a recording and reproducing mechanism includes a rotary drum having N rotary magnetic heads mounted on the circumference thereof with an equal angular distance therebetween to record each of the modulated video signals on the magnetic recording tape as successive tracks and a playback head mounted on the circumference at a predetermined position. The diameter of the rotary drum is in a predetermined relation to that of the standard magnetic recording and reproducing apparatus.

REFERENCES:
patent: 4280151 (1981-07-01), Tsunekawa
patent: 4339775 (1982-07-01), Lemke et al.

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