CRT Hard copy apparatus with multi-directional sampling and prin

Details CRT Hard copy apparatus with multi-directional sampling and prin CRT Hard copy apparatus with multi-directional sampling and prin

1980-03-21

1981-09-01

Miller, Jr., George H.

Recorders

Combined with external recorder operating means

Single external means for plural markers, single record

346 76PH, 219216, G01D 900, G01D 1510, H05B 300

Patent

active

042875218

ABSTRACT:
A CRT hard copy apparatus for sampling a picture signal from a CRT display and for recording the sampled signal on a recording paper. In order to obtain a suitable CRT hard copy for both kinds of CRT display in which the number of characters per screen is large and small, the CRT hard copy apparatus is constructed to include a first sampling means for sampling in the horizontal scanning direction a video signal on a CRT display of small number of characters per screen, and a second sampling means for sampling in the vertical direction to the horizontal scanning lines a video signal on a CRT display of large number of characters per screen. In addition, a switching means is provided to actuate only the first sampling means upon horizontal scanning and both the first and second sampling means upon vertical scanning.

REFERENCES:
patent: 4070680 (1978-01-01), Shelley
patent: 4158203 (1979-06-01), Johnson, Jr. et al.

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