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Patent Searching and Data


Title:
VIDEO PRINTER
Document Type and Number:
Japanese Patent JPH0591457
Kind Code:
A
Abstract:

PURPOSE: To provide a video printer which can confirm a printing area on a CRT concurrently with designation of the printing area and can perform the print operations economically and in a short time.

CONSTITUTION: A window level signal generating means 1-3 produces a window level signal Vw in a period corresponding to a printing area based on the horizontal and vertical synchronizing signals HS and VS which are included in the video signals. An operational amplifier means 14 modulates the luminance signal Vi included in the video signal based on the signal Vw. Then the luminance modulation signal Vm received from the means 14 is sent to a CRT 23 of a host computer, and the luminance level is changed and displayed only in the printing area designated on a CRT screen.


Inventors:
Seo, Kaoru
Application Number:
JP1991000246060
Publication Date:
April 09, 1993
Filing Date:
September 25, 1991
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
G06F3/153; G09G5/00; G09G5/10; H04N5/76; H04N5/91; (IPC1-7): G06F3/153; G09G5/00; G09G5/10; H04N5/76; H04N5/91
Attorney, Agent or Firm:
曾我 道照 (外6名)