Process for recording and reproduction of information in electro

Details Process for recording and reproduction of information in electro Process for recording and reproduction of information in electro

1974-04-08

1977-06-21

Moffitt, James W.

Communications: electrical

Digital comparator systems

340174SB, 340174ZB, G11C 1300

Patent

active

040315258

ABSTRACT:
A process for the storage and retrieval of information in electromagnetic form from an information carrier, made of ferromagnetic, ferrimagnetic, antiferrimagnetic, metamagnetic ferroelectric or antiferroelectric material. An information carrier builds up a stationary image of the information signal in one dimension along the propagation path of the signal obtained by a short-term high frequency pre-polarization of information carrier by means of an alternating electric or magnetic field. Reproduction of the information can be obtained by analogous means either non-destructively or destructively.

REFERENCES:
patent: 3551902 (1970-12-01), Sagnis, Jr. et al.
Proceedings-Fall Joint Computer Conference, 1966, pp. 333-347.

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