Track positioning arrangement in a head wheel for a recorder

Details Track positioning arrangement in a head wheel for a recorder Track positioning arrangement in a head wheel for a recorder

1990-04-02

1991-07-23

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 75, 360 84, 360107, G11B 5588, G11B 553

Patent

active

050348299

ABSTRACT:
A rotating head wheel for a recorder wherein the head wheel is additionally displaceable in the direction of its axis of rotation. The displacement is produced by mounting the head wheel on a threaded spindle which rotates in the same direction as the head wheel and whose rate of rotation is variable. A first sensor generates a pulse each revolution of the head wheel. A second sensor generates a pulse each revolution of the threaded spindle. The pulses of the first and second sensors and a pulse produced by a position sensor are used for controlling the magnitude of the displacement.

REFERENCES:
patent: 4774606 (1988-09-01), Uhde
IBM Technical Disclosure Bulletin, vol. 23, No. 1, dated Jun. 1980, entitled Rotary Head Tape Device, in the names of C. C. Roshon and L. D. Stevens.

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