JPS617178U - White balance correction device for television cameras - Google Patents
White balance correction device for television camerasInfo
- Publication number
- JPS617178U JPS617178U JP8943384U JP8943384U JPS617178U JP S617178 U JPS617178 U JP S617178U JP 8943384 U JP8943384 U JP 8943384U JP 8943384 U JP8943384 U JP 8943384U JP S617178 U JPS617178 U JP S617178U
- Authority
- JP
- Japan
- Prior art keywords
- white balance
- color temperature
- balance correction
- correction device
- television cameras
- 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)
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
【図面の簡単な説明】
第１図は本考案の一実施例の構成図、第２図は本考案の
色温度切換装置の動作特性図、第３図は従来例の構成図
、第４図は本考案の色温度切換装置の構成図、第５図、
第６図は本考案のヒステリシス回路の構成図、第７図、
第８図は色温度変換フィルタ駆動部の構成図である。
７：色温度検出装置、８：色温度変換フィルタ、９：色
温度切換装置、９−１：ヒステリシス回路、９−２：色
温度変換フィルタ駆動部。[Brief Description of the Drawings] Fig. 1 is a block diagram of an embodiment of the present invention, Fig. 2 is a diagram of operating characteristics of the color temperature switching device of the present invention, Fig. 3 is a block diagram of a conventional example, and Fig. 4 is a block diagram of the color temperature switching device of the present invention, FIG.
Figure 6 is a configuration diagram of the hysteresis circuit of the present invention, Figure 7,
FIG. 8 is a configuration diagram of the color temperature conversion filter driving section. 7: color temperature detection device, 8: color temperature conversion filter, 9: color temperature switching device, 9-1: hysteresis circuit, 9-2: color temperature conversion filter drive unit.
Claims (1)
信号の利得を上記検出した色温度情報によって制御する
ことにより白バランスを補正する装置を備えたテレビジ
ョンカメラ装置において、前記色温度検出装置の検出色
温度情報をもとに、撮像光学系の光路中に色温度変換フ
ィルタを自動白うに出し入れする装置を備えることを特
徴とするテレビジョンカメラ用白バランス補正装置。A television camera device comprising a device for detecting the color temperature of external light and a device for correcting white balance by controlling the gain of a color signal obtained from an image pickup tube using the detected color temperature information. A white balance correction device for a television camera, comprising a device that automatically inserts and removes a color temperature conversion filter into an optical path of an imaging optical system based on color temperature information detected by a temperature detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8943384U JPS617178U (en) | 1984-06-18 | 1984-06-18 | White balance correction device for television cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8943384U JPS617178U (en) | 1984-06-18 | 1984-06-18 | White balance correction device for television cameras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS617178U true JPS617178U (en) | 1986-01-17 |
Family
ID=30643503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8943384U Pending JPS617178U (en) | 1984-06-18 | 1984-06-18 | White balance correction device for television cameras |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS617178U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57119577A (en) * | 1981-01-16 | 1982-07-26 | Matsushita Electric Ind Co Ltd | Color image pickup device |
| JPS5822365U (en) * | 1981-08-06 | 1983-02-12 | 市光工業株式会社 | wiper device |
| JPS59215189A (en) * | 1983-05-20 | 1984-12-05 | Canon Inc | Color image pickup device |
-
1984
- 1984-06-18 JP JP8943384U patent/JPS617178U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57119577A (en) * | 1981-01-16 | 1982-07-26 | Matsushita Electric Ind Co Ltd | Color image pickup device |
| JPS5822365U (en) * | 1981-08-06 | 1983-02-12 | 市光工業株式会社 | wiper device |
| JPS59215189A (en) * | 1983-05-20 | 1984-12-05 | Canon Inc | Color image pickup device |
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