Disk drive pulse detection method and circuit

Details Disk drive pulse detection method and circuit Disk drive pulse detection method and circuit

1989-06-27

1992-05-26

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data clocking

360 7303, G11B 509

Patent

active

051173140

ABSTRACT:
The combination of a rotating data storage disk and a pulse detector for generating an output pulse synchronized with clock pulses. The detector has a beginning of input pulse sensor for pulses derived from the disk, a timing circuit responsive to the sensing of the beginning of one of the input pulses for generating an output pulse of substantially constant pulse width and synchronized with clock pulses. A pulse presence sensor inhibits the timing circuit from generating another output pulse for any such detected input pulse, until after the sensed input pulse terminates.

REFERENCES:
patent: 4641044 (1987-02-01), Shiraishi
patent: 4682048 (1987-07-01), Ishimoto
patent: 4688947 (1987-08-01), Blaes et al.
patent: 4700084 (1987-10-01), Homaker, Jr.
patent: 4797574 (1989-01-01), Okubo et al.
patent: 4938290 (1990-05-01), Vo

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