Circuit for generating a disk change signal

Details Circuit for generating a disk change signal Circuit for generating a disk change signal

1991-09-05

1994-01-11

Dzierzynski, Paul M.

Dynamic magnetic information storage or retrieval

Miscellaneous

360 71, 369 58, G11B 1722

Patent

active

052787184

ABSTRACT:
A disk change signal generating circuit which uses an index sensor includes an index sensor for generating an index pulse in order to detect a rotation of a floppy disk, a timer for inputting the output of the index sensor into a clear terminal and inputting a clock signal into a clock terminal, thereby generating a counting value in a predetermined frequency, and a disk change signal generating circuit for generating a disk change signal by inputting the output of the timer.

REFERENCES:
patent: 4796249 (1989-01-01), Bass
patent: 5150340 (1992-09-01), Miura et al.

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