Patent classifications
G
PHYSICS
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G11
INFORMATION STORAGE
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G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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5/00
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
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G11B5/127
Structure or manufacture of heads, e.g. inductive
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G11B5/265
Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
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G11B5/2652
with more than one gap simultaneously operative
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G11B5/2654
for recording or erasing
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G11B5/2655
with all the gaps disposed within the track or "guard band" between tracks, e.g. with erase gaps operative on track edges, with wide erase gap followed by narrow write gap
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