The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 01, 1981

Filed:

Mar. 21, 1980
Applicant:
Inventor:

Akiyoshi Hakoyama, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ; G01D / ; H05B / ;
U.S. Cl.
CPC ...
346 35 ; 346 / ; 219216 ;
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.


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Hakoyama, Akiyoshi. (1981). Crt hard copy apparatus with multi-directional sampling and printing (U.S. Patent No. 4287521). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4287521

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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