JPS5922573U

JPS5922573U - telop device

Info

Publication number: JPS5922573U
Application number: JP11770382U
Authority: JP
Inventors: 三門　恒夫
Original assignee: 日本テレビジヨン工業株式会社
Priority date: 1982-08-02
Filing date: 1982-08-02
Publication date: 1984-02-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図Ａは本考案のテロップ装置に使われるテロップカ
ードの平面図、第１図Ｂはカード上の各行に対応する行
検出信号の波形図、第２図は本考゛　案によるテロップ
装置の要部を示すブロック図、第３図はスクロール表示
されるテロップの時間変化を示すＴＶ−画面正面図、第
４図は第２図のメモリーの領域マツプ、第５図Ａはテロ
ップカードの別の記載例を示すカードの平面図、第５図
Ｂは行検出信号の波形図、第５図Ｃは行長さ検出信号の
波形図である。なお図面に用いられている符号において、２・・・・・
・メモリー、３・・・・・・行検出器、４・・・・・・
エツジ検出器、５・・・・・・書込制御及び書込アドレ
ス回路、７・・・・・・読出制御及び読出アドレス回路
、９・・・・・・行長さ　　　　′検出器、１０・・・
・・・エツジ検出器、である。Fig. 1A is a plan view of a telop card used in the telop device of the present invention, Fig. 1B is a waveform diagram of a line detection signal corresponding to each line on the card, and Fig. 2 is a diagram of the telop card used in the telop device of the present invention. Figure 3 is a front view of the TV screen showing the time change of scrolling telops, Figure 4 is the memory area map of Figure 2, and Figure 5A is another diagram of the telop card. FIG. 5B is a waveform diagram of a line detection signal, and FIG. 5C is a waveform diagram of a line length detection signal. In addition, in the symbols used in the drawings, 2...
・Memory, 3... Line detector, 4...
Edge detector, 5...Write control and write address circuit, 7...Read control and read address circuit, 9...Line length 'detector, 10.・・・
...edge detector.

Claims

[Claims for Utility Model Registration] A memory for storing a video signal obtained by imaging telop information written over multiple lines on an original telop image, and a line detection signal corresponding to the position of each line based on the video signal. a first detector that detects the start and end positions of the telop information written on each line based on the video signal; Write address that controls the address of the above memory based on. The read address is supplied to the memory based on a synchronization signal for forming an image on which a telop is to be superimposed, and telop information is read out line by line, and the telop information is read out line by line. so that the beginning of the caption information in is connected to the end of the caption information in the previous line.
A telop device characterized in that the write address circuit or the read address circuit is configured to be controlled.