Multi-element read/write tape head with low feedthrough

Details Multi-element read/write tape head with low feedthrough Multi-element read/write tape head with low feedthrough

1998-09-10

2000-09-05

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Head

Coil

360121, 360124, 360 63, G11B 517

Patent

active

06115217&

ABSTRACT:
Read-while-write feedthrough is reduced in a tape deck having a multi-element read/write tape head. The tape deck includes write circuits for converting a substream of a data stream into an electrical signal. The read/write head has a sequence of write elements each having a coil for converting a received electrical signal into a magnetic field. A wire pair connects each write circuit with a corresponding write element. The system is designed such that the magnetization pattern written on the tape by one write element in response to a particular data substream has magnetization directions reversed from a second magnetization pattern written on the tape by a neighboring write element in response to the same substream. The feedthrough is thereby reduced by permitting cancellation of magnetic fields from write elements.

REFERENCES:
patent: 4539615 (1985-09-01), Arai et al.
patent: 4945439 (1990-07-01), Sato
patent: 5541793 (1996-07-01), Schwarz
patent: 5883750 (1999-03-01), Maurice et al.

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