Magnetic recording and reproducing apparatus

Details Magnetic recording and reproducing apparatus Magnetic recording and reproducing apparatus

1973-10-31

1976-01-20

Schacher, Richard A.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

With control or adjustment means

B65H 1722

Patent

active

039332896

ABSTRACT:
In magnetic recording and reproducing apparatus wherein a magnetic tape is driven at a variable speed by a driving motor through a capstan, a pulse motor is used as the driving motor, the speed thereof being variable by changing the frequency of the pulses applied thereto, and the pulse motor is coupled to the capstan through a resilient belt whereby to transform intermittent rotation of the pulse motor into substantially uniform rotation of the capstan.

REFERENCES:
patent: 3079056 (1963-02-01), Groenewegen
patent: 3124291 (1964-03-01), Beer
patent: 3387758 (1968-06-01), Delaney
patent: 3466517 (1969-09-01), Leenhouts
patent: 3579279 (1971-05-01), Inaba
patent: 3665284 (1972-05-01), Loyzim
patent: 3739969 (1973-06-01), Warren

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