Magnetic recording system for time-lapse magnetic video recorder

Dynamic magnetic information storage or retrieval – Monitoring or testing the progress of recording

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H04N 5782

Patent

active

046333355

ABSTRACT:
In a magnetic recording system for recording frequency modulated video signals on a magnetic tape field by field at intervals of a predetermined time by a plurality of rotary video heads, during each recording period the rotation speed of the rotary video heads is made different from the steady-state rotation speed and the video signals are recorded thereby making the period of each field of the recorded video signals an integral multiple of the horizontal scanning period.

REFERENCES:
patent: 4035843 (1977-07-01), Tanimura
patent: 4238776 (1980-12-01), Tanaka
patent: 4306254 (1981-12-01), Koda et al.

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