JPS5920764U - Blooming prevention circuit - Google Patents
Blooming prevention circuitInfo
- Publication number
- JPS5920764U JPS5920764U JP11430682U JP11430682U JPS5920764U JP S5920764 U JPS5920764 U JP S5920764U JP 11430682 U JP11430682 U JP 11430682U JP 11430682 U JP11430682 U JP 11430682U JP S5920764 U JPS5920764 U JP S5920764U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- video signal
- blooming
- prevention circuit
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Television Receiver Circuits (AREA)
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
第１図はブルーミング現象を無くす目的で用いられるコ
ントラスト制限回路を示す回路図、第２図は同じく白ピ
ーク制限回蕗を示す回路図、第３図はこの考案に係るブ
ルーミング防止回路の一実施例を示す回路図、第４図ａ
”ｄは第３図に示す回路の動作を説明する為の信号波形
図である。
１２・・・映像増幅回路、２１・・・入力端子、２２・
・・振幅制御回路、２３・・・電圧設定回路、２４・・
・出力端子、２５・・・非直線回路。Fig. 1 is a circuit diagram showing a contrast limiting circuit used for the purpose of eliminating the blooming phenomenon, Fig. 2 is a circuit diagram also showing a white peak limiting circuit, and Fig. 3 is an embodiment of the blooming prevention circuit according to this invention. Circuit diagram illustrating Figure 4a
"d is a signal waveform diagram for explaining the operation of the circuit shown in FIG. 3. 12... Video amplification circuit, 21... Input terminal, 22...
... Amplitude control circuit, 23... Voltage setting circuit, 24...
・Output terminal, 25...Non-linear circuit.
Claims (1)
ベルよりはレベルの小さな電圧を設定する電圧設定回路
と映像信号の輝度レベルが前記電圧設定回路によって設
定された電圧を越えると導通する非直線素子を有する非
直線回路と、前記非直線素子が導通したときに前記映像
信号の振幅レベルを小さくするように動作する振幅制御
回路と、この振幅制御回路を通った後の映像信号を増幅
する映像増幅回路とを具備したブルーミング防止同It has a voltage setting circuit that sets a voltage lower than the brightness level of the video signal component that causes the blooming phenomenon, and a nonlinear element that becomes conductive when the brightness level of the video signal exceeds the voltage set by the voltage setting circuit. a non-linear circuit; an amplitude control circuit that operates to reduce the amplitude level of the video signal when the non-linear element is conductive; and a video amplification circuit that amplifies the video signal after passing through the amplitude control circuit. Anti-blooming device with
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11430682U JPS5920764U (en) | 1982-07-28 | 1982-07-28 | Blooming prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11430682U JPS5920764U (en) | 1982-07-28 | 1982-07-28 | Blooming prevention circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5920764U true JPS5920764U (en) | 1984-02-08 |
Family
ID=30264278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11430682U Pending JPS5920764U (en) | 1982-07-28 | 1982-07-28 | Blooming prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5920764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827845U (en) * | 1981-08-19 | 1983-02-23 | 富士重工業株式会社 | Fuse mounting terminal structure for automotive fuse boxes |
| JPS6084080U (en) * | 1983-11-11 | 1985-06-10 | 第一電装部品株式会社 | tab receptacle |
-
1982
- 1982-07-28 JP JP11430682U patent/JPS5920764U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827845U (en) * | 1981-08-19 | 1983-02-23 | 富士重工業株式会社 | Fuse mounting terminal structure for automotive fuse boxes |
| JPS6115570Y2 (en) * | 1981-08-19 | 1986-05-14 | ||
| JPS6084080U (en) * | 1983-11-11 | 1985-06-10 | 第一電装部品株式会社 | tab receptacle |
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