Rotary head assembly

Details Rotary head assembly Rotary head assembly

1979-12-28

1982-03-02

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 21, 360 84, 360119, G11B 2118, G11B 552, G11B 5027, G11B 525

Patent

active

043181465

ABSTRACT:
A multi-channel recording and/or reproducing apparatus is disclosed, wherein a plurality of rotary magnetic heads scan a magnetic tape to form a plurality of skewed parallel tracks simultaneously. These heads are aligned substantially in the scanning direction on a single head base plate. Preferably, these heads are so secured as to form parallel skewed tracks without guardbands therebetween. Each head has the same thickness, and is mounted on a head base. Even though the thickness of each head chip is the same, effective head gaps are formed to have different heights individually from the surface of the head base plate. When forming guardband-less plural tracks, an azimuth recording technique is introduced in order to avoid crosstalk between adjacent channels during reproduction.

REFERENCES:
patent: 3721773 (1973-03-01), Kluge
patent: 4040109 (1977-08-01), Kryltsov
patent: 4165523 (1979-08-01), Hathaway
patent: 4199793 (1980-04-01), Baldwin

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