JPS6217289U - - Google Patents
Info
- Publication number
- JPS6217289U JPS6217289U JP10849185U JP10849185U JPS6217289U JP S6217289 U JPS6217289 U JP S6217289U JP 10849185 U JP10849185 U JP 10849185U JP 10849185 U JP10849185 U JP 10849185U JP S6217289 U JPS6217289 U JP S6217289U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- video
- predetermined
- keying
- slicer
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案の一実施例を示すブロツク系統
図、第２図は第１図図示ブロツク系統の動作説明
用信号波形図、第３図は特殊効果増幅器の一例を
示すブロツク系統図、第４図は第３図図示ブロツ
ク系統の要部の動作説明用信号波形図である。
１４…スライサ、１６…シユミツトトリガ回路
、２０…キーイング信号セレクト及びマトリクス
回路、２１…包絡線検波回路。
FIG. 1 is a block system diagram showing an embodiment of the present invention, FIG. 2 is a signal waveform diagram for explaining the operation of the block system shown in FIG. 1, and FIG. 3 is a block system diagram showing an example of a special effect amplifier. FIG. 4 is a signal waveform diagram for explaining the operation of the main part of the block system shown in FIG. 14... Slicer, 16... Schmitt trigger circuit, 20... Keying signal selection and matrix circuit, 21... Envelope detection circuit.
Claims (1)
像情報に応じて一の映像信号を切換出力するため
に、上記所定の一の映像信号をスライサを通して
キーイング信号を発生するキーイング信号発生器
において、上記所定の一の映像信号又はこれと同
一の映像情報を有する三原色信号からの輝度信号
を得る回路と、該輝度信号の包絡線を検波しその
検波信号を上記スライサのスライスレベルとして
出力する検波回路とより構成したキーイング信号
発生器。 In a keying signal generator that generates a keying signal by passing the predetermined one video signal through a slicer in order to switch and output one video signal according to video information of a predetermined one video signal among the plurality of video signals, A circuit that obtains a luminance signal from the predetermined one video signal or a three primary color signal having the same video information, and a detection circuit that detects the envelope of the luminance signal and outputs the detected signal as the slice level of the slicer. A keying signal generator consisting of
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10849185U JPS6217289U (en) | 1985-07-16 | 1985-07-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10849185U JPS6217289U (en) | 1985-07-16 | 1985-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6217289U true JPS6217289U (en) | 1987-02-02 |
Family
ID=30985736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10849185U Pending JPS6217289U (en) | 1985-07-16 | 1985-07-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6217289U (en) |
-
1985
- 1985-07-16 JP JP10849185U patent/JPS6217289U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63147082U (en) | ||
| JPS6217289U (en) | ||
| JPS6251822U (en) | ||
| JPH0322480U (en) | ||
| JPS6130878U (en) | Reflective photoelectric switch | |
| JPS5818200U (en) | Optical safety device | |
| JPS61189673U (en) | ||
| JPS5949298U (en) | Vehicle detection device | |
| JPS59126437U (en) | photoelectric switch | |
| JPS62108892U (en) | ||
| JPS58169771U (en) | Signal discrimination circuit | |
| JPS6268383U (en) | ||
| JPS59123890U (en) | color monitor receiver | |
| JPH0344982U (en) | ||
| JPS61201089U (en) | ||
| JPS6228262U (en) | ||
| JPS61189674U (en) | ||
| JPH0293853U (en) | ||
| JPS6235394U (en) | ||
| JPS60166013U (en) | Abnormality detection circuit of stepping type control device | |
| JPS61126318U (en) | ||
| JPS61197777U (en) | ||
| JPS62164422U (en) | ||
| JPS61114556U (en) | ||
| JPS60100844U (en) | Color identification coordinate position detection device |