Track position detecting mechanism

Details Track position detecting mechanism Track position detecting mechanism

1988-10-03

1991-08-06

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7811, G11B 555

Patent

active

050382330

ABSTRACT:
A track position detecting mechanism is used to detect an outermost peripheral track position of a magnetic disc for use as a reference point in making various accesses to the magnetic disc. The track position detecting mechanism has an optical detector including a light emitting element and a light receiving element, where an optical path is formed between the light emitting element and the light receiving element, and an interrupt member provided at such a position on a carriage that the interrupt member interrupts the optical path within the optical detector when a magnetic head is located at an outermost peripheral track position on the magnetic disc. The optical path substantially coincides with a plane which includes a center line of a guide shaft which guides the carriage, and the plane is parallel to a base of the carriage.

REFERENCES:
patent: 4359763 (1982-11-01), Hoffman
patent: 4627043 (1986-12-01), Uehara
patent: 4758909 (1988-07-01), Harase

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