JPS60139382U - Color temperature correction circuit for color television camera - Google Patents
Color temperature correction circuit for color television cameraInfo
- Publication number
- JPS60139382U JPS60139382U JP2463784U JP2463784U JPS60139382U JP S60139382 U JPS60139382 U JP S60139382U JP 2463784 U JP2463784 U JP 2463784U JP 2463784 U JP2463784 U JP 2463784U JP S60139382 U JPS60139382 U JP S60139382U
- Authority
- JP
- Japan
- Prior art keywords
- color temperature
- color
- correction circuit
- temperature conversion
- temperature correction
- 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
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (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図は従来の色温度補正回路のブロック図、第２図、
第３図は本考案の原理を示した図、第４図は本考案の色
温度補正回路の系統図である。
１：被写体、２：レンズ、３：色温度便換フィルタ、４
：絞り、６：被写体の像、７：撮影素子、８，９：利得
制御増幅器、１０．１１：色差信号増幅−１１２，１３
：比較器、１４：色温度設定スイッチ、１６：駆動回路
。Figure 1 is a block diagram of a conventional color temperature correction circuit; Figure 2 is a block diagram of a conventional color temperature correction circuit;
FIG. 3 is a diagram showing the principle of the present invention, and FIG. 4 is a system diagram of the color temperature correction circuit of the present invention. 1: Subject, 2: Lens, 3: Color temperature conversion filter, 4
: Aperture, 6: Image of subject, 7: Photographing element, 8, 9: Gain control amplifier, 10.11: Color difference signal amplification -112, 13
: Comparator, 14: Color temperature setting switch, 16: Drive circuit.
Claims (1)
る光の一部が通過する色温度変換フィルタを材料とする
可動片をもち、上記撮像素子出力である赤信号晟分、青
信号成分および輝度信号成分とから色温度情報を検出す
る手段と、該検出出力で上記色温度変換フィルタを駆動
し、上記撮像素子に入射する全光量に対する上記色温度
変換フィルタを通過する光量の割合を制御する手投龜リ
、色温度変換量を設定するカラーテレビジョンカメラの
色温度補正回路。An optical lens or a movable piece inside the camera is made of a color temperature conversion filter through which a portion of the light incident on the imaging element passes, and the red signal component, blue signal component, and luminance signal component that are the outputs of the imaging element are means for detecting color temperature information from the above; and a handheld lens for driving the color temperature conversion filter with the detection output and controlling the ratio of the amount of light passing through the color temperature conversion filter to the total amount of light incident on the image sensor. A color temperature correction circuit for color television cameras that sets the amount of color temperature conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2463784U JPS60139382U (en) | 1984-02-24 | 1984-02-24 | Color temperature correction circuit for color television camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2463784U JPS60139382U (en) | 1984-02-24 | 1984-02-24 | Color temperature correction circuit for color television camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60139382U true JPS60139382U (en) | 1985-09-14 |
Family
ID=30518971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2463784U Pending JPS60139382U (en) | 1984-02-24 | 1984-02-24 | Color temperature correction circuit for color television camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60139382U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816638B2 (en) * | 1978-09-12 | 1983-04-01 | 日本電信電話株式会社 | Electronic equipment air conditioning system |
| JPS5834467B2 (en) * | 1977-07-29 | 1983-07-27 | 株式会社日本触媒 | Sulfosuccinic acid mono-secondary alcohol ethoxylate ester disodium salt |
-
1984
- 1984-02-24 JP JP2463784U patent/JPS60139382U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834467B2 (en) * | 1977-07-29 | 1983-07-27 | 株式会社日本触媒 | Sulfosuccinic acid mono-secondary alcohol ethoxylate ester disodium salt |
| JPS5816638B2 (en) * | 1978-09-12 | 1983-04-01 | 日本電信電話株式会社 | Electronic equipment air conditioning system |
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