JPS647479U - - Google Patents
Info
- Publication number
- JPS647479U JPS647479U JP1987101747U JP10174787U JPS647479U JP S647479 U JPS647479 U JP S647479U JP 1987101747 U JP1987101747 U JP 1987101747U JP 10174787 U JP10174787 U JP 10174787U JP S647479 U JPS647479 U JP S647479U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- black level
- optical system
- detecting
- color separation
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案の実施例を示すブロツク図であ
る。
１：色分解光学系、２，３，４：撮像管、５：
温度検出器、７：前置増幅器、８：映像信号処理
回路、９：補正電圧発生回路。
FIG. 1 is a block diagram showing an embodiment of the present invention. 1: Color separation optical system, 2, 3, 4: Image pickup tube, 5:
Temperature detector, 7: Preamplifier, 8: Video signal processing circuit, 9: Correction voltage generation circuit.
Claims (1)
値を検出する手段と、該出力に基づき映像信号の
黒レベルの温度変動曲線に対応する高次の補正関
数を発生する手段と、該出力で映像信号の黒レベ
ルの温度変動を補正することを特徴とする黒レベ
ルの温度変動補正装置。 In the imaging device, means for detecting the absolute value of the temperature of the color separation optical system, means for generating a high-order correction function corresponding to a temperature fluctuation curve of the black level of the video signal based on the output, and a means for detecting the absolute value of the temperature of the color separation optical system; A black level temperature fluctuation correction device characterized by correcting temperature fluctuations in the black level of a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987101747U JPS647479U (en) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987101747U JPS647479U (en) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647479U true JPS647479U (en) | 1989-01-17 |
Family
ID=31331026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987101747U Pending JPS647479U (en) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647479U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51105721A (en) * | 1975-03-14 | 1976-09-18 | Tokyo Shibaura Electric Co |
-
1987
- 1987-07-03 JP JP1987101747U patent/JPS647479U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51105721A (en) * | 1975-03-14 | 1976-09-18 | Tokyo Shibaura Electric Co |
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