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EP0304509B1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Video display apparatus for textual information

Assignee: URW Software and Type GmbH
•
Filing: 1987-08-28
•
Granted: 1993-06-16
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Expires: 2007-08-28
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Abstract

No abstract record available.

Inventors

  • 👤 Peter Dr. Karow

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 13:00
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/12; G06K15/128; G09; G09G; G09G5/00; G09G5/36; G09G5/39; G09G5/393

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 71 words
A method of display on a television screen having video refresh memory for setting, correcting and representing texts intended for electronic printing from a font consisting of grey matrices with image dots of varying brightness, characterized in that the matrices corresponding with the shape of the text are copied into the image repeater stores with an overlap by at least one screen dot in the direction of the lines of text.
Claim 2
Dependent Claim 89 words
A television screen apparatus for the performance of the method as in Claim 1, which contains one television screen (1), one matrix store (2) for the matrices (3) of the characters and punctuation marks as well as electronic equipment (4) which reads from the matrix store (2) the individual matrices corresponding with the text being delivered via the input (7) and to copy them into a video refresh memory (5) connected to a video controller (6), characterized in that the character matrices contain the image dots stored as half-bytes.
Claim 3
Dependent Claim 38 words
A television screen apparatus as in Claim 2, characterized in that the character matrices contain 6 x 6 to 36 x 36 half-bytes per matrix for the representation of characters in point sizes from 6 to 36 pt.
Claim 4
Dependent Claim 31 words
A television screen apparatus as in Claims 2 and 3, characterized in that the sweep direction of the screen runs at right angles to the direction of writing and thereby vertically.
Claim 5
Independent Claim 45 words
A method of operation of the television screen apparatus as in Claims 2 to 4 characterized in that all of the pixels of one column of the video refresh memory are combined as vertical television lines and converted into corresponding amplitudes of the video signal.

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