Floppy disc drive control circuit section substrate

Details Floppy disc drive control circuit section substrate Floppy disc drive control circuit section substrate

1985-08-26

1988-08-09

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 5012

Patent

active

047632119

ABSTRACT:
A floppy disc apparatus has a single printed wiring board mounting thereon a control circuit section including therein an overall control circuit and write circuit section, a head switching circuit and reproduction circuit section, and a motor drive circuit section. The motor drive circuit section is disposed in opposite relation to the overall control circuit and write circuit section and the head switching circuit and reprodcution circuit section with the drive motor therebetween. The overall control circuit and write circuit section and the head switching circuit and reproduction circuit section are disposed in successive relation with the head switching circuit and reproduction circuit section disposed adjacent to a connector for connecting lead wires of a head mechanism. Due to such separate arrangement of the driving circuit section and the signal circuit section, the present invention permits the control circuit section to be mounted on a single printed wiring board with very excellent noise resistance, thus resulting in the effects of improving noise resistance and the assembly efficiency.

REFERENCES:
patent: 3912278 (1975-10-01), Teutsch
patent: 4568988 (1986-02-01), McGinlay et al.
patent: 4639863 (1987-01-01), Harrison

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