Method and apparatus for recording latent images on a magnetic m

Details Method and apparatus for recording latent images on a magnetic m Method and apparatus for recording latent images on a magnetic m

1977-07-25

1979-08-07

Lucas, Jay P.

Recorders

Magnetographic

358301, G03G 1900, G01D 1512

Patent

active

041639790

ABSTRACT:
Disclosed is a method and apparatus for carrying out Magnetography utilizing the relationship between half-tones of a picture and the spatial recording density on a magnetic recording material. The picture signal is converted into an electrical signal, whose frequency corresponds to the half-tones of the picture and results in the variation of the spatial recording density so that the naturalness of the half-tones of the picture is successfully preserved.

REFERENCES:
patent: 2826634 (1958-03-01), Atkinson
patent: 2924653 (1960-02-01), Fairchild
patent: 3108281 (1963-10-01), Uemura
patent: 3637934 (1972-01-01), Brewster
patent: 4034409 (1977-07-01), Levy
patent: 4051484 (1977-09-01), Martin

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