JPS62151285U

JPS62151285U -

Info

Publication number: JPS62151285U
Application number: JP4047186U
Authority: JP
Priority date: 1986-03-18
Filing date: 1986-03-18
Publication date: 1987-09-25

Description

[Brief explanation of the drawing]

第１図および第２図は本考案の一実施例に係り
、第１図は映像信号の印字装置のブロツク回路図
、第２図は動作説明のための波形図である。また
、第３図および第４図は従来例に係り、第３図は
映像信号の印字装置のうちのＲ信号処理装置部分
のブロツク回路図、第４図は動作説明のための波
形図である。８……Ｒ信号処理装置部分、１４……Ｒ信号用
比較基準レベル発生回路、１５……Ｒ信号用階調
信号出力回路、１８……Ｇ信号処理装置部分、２
４……Ｇ信号用比較基準レベル発生回路、２５…
…Ｇ信号用階調信号出力回路、２８……Ｂ信号処
理装置部分、３４……Ｂ信号用比較基準レベル発
生回路、３５……Ｂ信号用階調信号出力回路、３
８……ビデオプリンタ、Ｘ……プラスリフアレン
ス補正回路、＋ＲＥＦ……プラスリフアレンス。 1 and 2 relate to an embodiment of the present invention, in which FIG. 1 is a block circuit diagram of a video signal printing device, and FIG. 2 is a waveform diagram for explaining the operation. 3 and 4 relate to a conventional example, FIG. 3 is a block circuit diagram of the R signal processing device portion of the video signal printing device, and FIG. 4 is a waveform diagram for explaining the operation. . 8...R signal processing device part, 14...R signal comparison reference level generation circuit, 15...R signal gradation signal output circuit, 18...G signal processing device part, 2
4...G signal comparison reference level generation circuit, 25...
...Gradation signal output circuit for G signal, 28...B signal processing device section, 34...Comparison reference level generation circuit for B signal, 35...Gradation signal output circuit for B signal, 3
8...Video printer, X...Plus reference correction circuit, +REF...Plus reference.

Claims

[Claims for Utility Model Registration] An R signal comparison reference level generation circuit that generates the gradation of an input analog signal, each of a plurality of gradation levels generated by this R signal comparison reference level generation circuit, and the input analog R The R signal processing device part consists of an R signal gradation signal output circuit that individually compares the signal level with the signal level and outputs a gradation signal, and a G signal comparison reference level generator that creates the gradation of the input analog G signal. a grayscale signal for a G signal that individually compares each of the plurality of grayscale levels generated by the G signal comparison reference level generation circuit with the level of the input analog G signal and outputs a grayscale signal; A G signal processing device section consisting of an output circuit, a B signal comparison reference level generation circuit that creates the gradation of the input analog B signal, and each of the plurality of gradation levels created by this B signal comparison reference level generation circuit. A B signal processing device section consisting of a B signal gradation signal output circuit that individually compares the level of the input analog B signal and outputs a gradation signal, the R signal processing device section, and the G signal processing device section. and a video printer that inputs and prints the outputs of each of the B signal processing device parts, the R signal comparison reference level generation circuit, the G signal comparison reference level generation circuit, and the B signal comparison reference level generation circuit. The luminance signal of the input RGB signals is superimposed on the positive reference of each comparison reference level generation circuit,
A video signal printing device comprising a plus reference correction circuit that makes each plus reference after superimposition correspond to the peak values of the input analog R signal, the input analog G signal, and the input analog B signal.