Magnetic transducer positioning apparatus

Details Magnetic transducer positioning apparatus Magnetic transducer positioning apparatus

G - Physics

11

B

352/24.32

G11B 5/48 (2006.01) G11B 5/55 (2006.01)

Patent

CA 1221455

MAGNETIC TRANSDUCER POSITIONING APPARATUS Abstract of the Disclosure A movable carriage carrying Magnetic trans- ducer head is positioned at predetermined points ad- jacent a floppy disc surface for appropriate reading/ writing of data thereon. The transducers are posi- tioned by a permanent magnet stepping motor which rotates a cam shaft. The cam surfaces on the shaft drive a plurality of balls into engagement with op- posed racks defining "V"-shaped notches of different pitches formed on a surface of the carriage and on a fixed surface adjacent thereto. As the balls sequen- tially enter the "V"-shaped notches, they force indi- vidual pairs thereof into alignment, the carriage and thus the transducer means are sequentially and discretely positioned at predetermined data track positions on the floppy disc.

446527

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