JPS6338484U - - Google Patents
Info
- Publication number
- JPS6338484U JPS6338484U JP1986129496U JP12949686U JPS6338484U JP S6338484 U JPS6338484 U JP S6338484U JP 1986129496 U JP1986129496 U JP 1986129496U JP 12949686 U JP12949686 U JP 12949686U JP S6338484 U JPS6338484 U JP S6338484U
- Authority
- JP
- Japan
- Prior art keywords
- signal level
- chroma
- television camera
- signal
- chroma signal
- 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
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
Description
第３図は従来の低レベルクロマ圧縮回路のブロ
ツク図、第２図は低レベルクロマ圧縮回路の入出
力特性図、第１図は本考案によるクロマ圧縮回路
のブロツク図である。
１：クロマ信号、２：クロマ圧縮回路、４：電
圧コントロール端子、Ｑ２：トランジスタ、Ｄ１
：ダイオード、１０：映像信号、１１：クランプ
パルス、Ｖ１：可変形直流電源。
FIG. 3 is a block diagram of a conventional low-level chroma compression circuit, FIG. 2 is an input/output characteristic diagram of the low-level chroma compression circuit, and FIG. 1 is a block diagram of a chroma compression circuit according to the present invention. 1: Chroma signal, 2: Chroma compression circuit, 4: Voltage control terminal, Q2: Transistor, D1
: Diode, 10: Video signal, 11: Clamp pulse, V1: Variable DC power supply.
Claims (1)
の低信号レベル部のみを圧縮するクロマ信号レベ
ル圧縮回路を有するテレビジヨンカメラに於て、
前記直流電圧に映像信号の一部を重畳し、この信
号により前記クロマ信号レベルを制御するように
したことを特徴とするテレビジヨンカメラ。 In a television camera that has a chroma signal level compression circuit that compresses only the low signal level part of the chroma signal according to the DC voltage applied from the outside,
A television camera characterized in that a part of a video signal is superimposed on the DC voltage, and the chroma signal level is controlled by this signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986129496U JPS6338484U (en) | 1986-08-27 | 1986-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986129496U JPS6338484U (en) | 1986-08-27 | 1986-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6338484U true JPS6338484U (en) | 1988-03-12 |
Family
ID=31026115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986129496U Pending JPS6338484U (en) | 1986-08-27 | 1986-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6338484U (en) |
-
1986
- 1986-08-27 JP JP1986129496U patent/JPS6338484U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6338484U (en) | ||
| JPS58127735U (en) | switching circuit | |
| JPS6444760U (en) | ||
| JPH01162983U (en) | ||
| JPS6425270U (en) | ||
| JPH0182578U (en) | ||
| JPH0188575U (en) | ||
| JPS6433268U (en) | ||
| JPH0182579U (en) | ||
| JPS5894011U (en) | power circuit | |
| JPS5920782U (en) | Low saturation compression circuit for color video camera | |
| JPS5871284U (en) | Color signal processing circuit | |
| JPS621430U (en) | ||
| JPS60101870U (en) | Peak detection circuit for auto iris circuit for TV camera | |
| JPS61149493U (en) | ||
| JPH0467876U (en) | ||
| JPS58169782U (en) | Automatic video control circuit for color television receivers | |
| JPH0361768U (en) | ||
| JPS6150373U (en) | ||
| JPS61176866U (en) | ||
| JPS5850719U (en) | Muting circuit | |
| JPS62164464U (en) | ||
| JPS62183472U (en) | ||
| JPS5813745U (en) | squelch circuit | |
| JPS6234868U (en) |