Method and apparatus for modulating the recording rate of an ima

Details Method and apparatus for modulating the recording rate of an ima Method and apparatus for modulating the recording rate of an ima

1983-06-20

1985-11-05

Goldberg, E. A.

Recorders

Writers

Receiver and marker movable

346108, 358300, G01D 900, G01D 942

Patent

active

045517320

ABSTRACT:
In a line scan graphic recording apparatus, the beam which displays the data on the recording media must be synchronized with the movement of recording media as it is directed normal to the displaying apparatus. The rate at which the recording media moves in its path is determined by the paper drive means. The rate is often non-uniform due to instantanteous velocity variations of the drive means. A drive velocity sensor produces a timing signal which controls the recording time of the input data image, stored digitally in a buffer memory device, by triggering the buffering device at the appropriate time and causing the image data to be transferred to the display for recording on the selected media.

REFERENCES:
patent: 3482255 (1969-12-01), Baker, Jr. et al.
patent: 3698006 (1972-10-01), Oushinsky
patent: 3723646 (1973-03-01), Behane et al.
patent: 3725575 (1973-04-01), Dell
patent: 4095235 (1978-06-01), Quarton et al.
patent: 4172259 (1979-10-01), Lowe
patent: 4401995 (1983-08-01), Sato
patent: 4412230 (1983-10-01), Goldberg

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