Magnetic reproducing device

Details Magnetic reproducing device Magnetic reproducing device

1979-04-02

1981-05-19

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 10, 360107, G11B 2108, G11B 1518

Patent

active

042688760

ABSTRACT:
A magnetic reproducing device, such as a helical scan VTR, for use with a magnetic tape having slant recorded tracks is provided with a system for determining tape address information. A magnetic head is supported on a bi-morph plate, and a circuit is provided for supplying a first drive signal to the bi-morph plate for positioning the head to rescan a given recording track on a tape and for supplying a second drive signal to the bi-morph plate for positioning the head to scan the next desired recorded track. A counter is provided to count the number of second drive signals and to provide tape address information based on that count.

REFERENCES:
patent: 4148082 (1979-04-01), Okada et al.
patent: 4151571 (1979-04-01), Cardot et al.
patent: 4163993 (1979-08-01), Ravizza
patent: 4165521 (1979-08-01), Watanabe
patent: 4167763 (1979-09-01), Kubota

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