Multitrack magnetic reading head

Details Multitrack magnetic reading head Multitrack magnetic reading head

1979-12-10

1981-06-23

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360112, 360121, 360123, G11B 530, G11B 538, G11B 528

Patent

active

042754283

ABSTRACT:
An integrated, multitrack, magnetic reading head in which a Hall effect or magneto-resistive material strip is deposited on a silicon substrate. The voltages produced in this strip are sampled by a group of amplifiers for the parallel-charging of a charge-coupled device, which is then read in series to obtain the output signal. Lateral tracks energize circuits making it possible by means of two resistive lines and a system of comparators to open the input gates of the charge-coupled device in order to correct the skew of the reading head.

REFERENCES:
patent: 3443036 (1969-05-01), Maass
patent: 3493694 (1970-02-01), Hunt
patent: 3668670 (1972-06-01), Andersen
patent: 3887944 (1975-06-01), Bajorek et al.
patent: 3986210 (1976-10-01), Sugaya et al.
patent: 4001890 (1977-01-01), Kayser
patent: 4184631 (1980-01-01), Lazzari
patent: 4186481 (1980-02-01), Noguchi

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