Rotating head recorder with different recording and playback spe

Details Rotating head recorder with different recording and playback spe Rotating head recorder with different recording and playback spe

1977-11-17

1979-09-04

Konick, Bernard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

360 9, 360 77, 360 70, 360109, 360 84, H04N 576

Patent

active

041670230

ABSTRACT:
A recording and reproducing system capable of recording at one speed and playback at another speed includes a capstan linear drive for a tape, and a headwheel drive means to drive heads in a transverse direction over the tape. Recording and/or playback is accomplished at any speed within a first given two-to-one speed range by operating the capstan linear drive at a corresponding speed, and by operating the headwheel at a speed which has a first given constant ratio with the linear speed. Recording and/or playback is accomplished over a second different adjacent two-to-one speed range by operating with the capstan linear drive at a corresponding proportional speed, with the headwheel at a speed which has a second different constant ratio with the linear speed, and with the rotating headwheel physically tilted by a given small angle relative to the transverse direction.

REFERENCES:
patent: 3157738 (1964-11-01), Okamura
patent: 3170031 (1965-02-01), Okamura
patent: 3294902 (1966-12-01), Maxey
patent: 3573361 (1971-04-01), Narita
patent: 3995317 (1976-11-01), Schmidt
patent: 4001885 (1977-01-01), Ikushima

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