Variable speed tape transport apparatus

Details Variable speed tape transport apparatus Variable speed tape transport apparatus

1976-05-13

1978-08-08

Schaefer, Robert K.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318398, 318464, H02P 104

Patent

active

041059360

ABSTRACT:
A variable speed tape transport apparatus for a tape cassette wherein the tape is driven at a selected one of plural predetermined speeds. The cassette includes speed indications thereon, each indication representing a respective normal tape speed. These indications are sensed by a sensor which, in turn, controls a control circuit for the tape drive motor such that the tape is selectively driven at a normal relatively lower speed or at a normal relatively higher speed. In addition, a selector mechanism, such as a fast-forward or rewind mechanism, is provided to enable the tape to be driven at a fast speed, this fast speed being at least equal to the relatively higher normal speed.
In one embodiment, a tape cassette to be driven at the relatively lower normal speed can be selectively driven at a first higher speed, equal to the relatively higher normal speed, and at a second even higher speed. In this embodiment, a cassette to be driven at the relatively higher normal speed can be selectively driven at the second higher speed.

REFERENCES:
patent: 3609494 (1971-09-01), Takahashi et al.
patent: 3684298 (1972-08-01), Ban

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