JPS617177U - Color temperature correction device for cameras - Google Patents
Color temperature correction device for camerasInfo
- Publication number
- JPS617177U JPS617177U JP8942984U JP8942984U JPS617177U JP S617177 U JPS617177 U JP S617177U JP 8942984 U JP8942984 U JP 8942984U JP 8942984 U JP8942984 U JP 8942984U JP S617177 U JPS617177 U JP S617177U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- terminal voltage
- color temperature
- cameras
- color channel
- 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４図は従来の装置のブロック図、第１図および第２図
は本考案装置の一実施例のブロック図及びその動作タイ
ミングチャート、第３図は本考案の他の実施例の回路図
である。
Ｇｔ Ｒｔ Ｂ ：光導電源、Ｇ’， Ｒ’， Ｂ’
：光電，池、Ｃｃｙ ＣＲ，ＣＢ ：コンデンサ、Ｓ／
Ｈ−Ｒ，Ｓ／Ｈ−Ｂ：サンプルホールド回路、ＣＯＭ：
コンピレータ、ＤＩＦＩ， ＤＩＦ２ ：微分回路、Ｍ
Ｍ：単安定マルチバイブレータ、ＩＮＶ：インバータ、
ＳＷＧ，ＳＲＧ，ＳＷＲ：スイッチ。FIG. 4 is a block diagram of a conventional device, FIGS. 1 and 2 are a block diagram of an embodiment of the device of the present invention and its operation timing chart, and FIG. 3 is a circuit diagram of another embodiment of the device of the present invention. be. Gt Rt B: Photoconductive power source, G', R', B'
: Photoelectric, Pond, Ccy CR, CB : Capacitor, S/
H-R, S/H-B: Sample hold circuit, COM:
Compiler, DIFI, DIF2: Differential circuit, M
M: Monostable multivibrator, INV: Inverter,
SWG, SRG, SWR: Switch.
Claims (1)
デンサ及び電源が結線された光電変換部あるいは光電池
とコレデンサが直列に結線された光電変換部において、
これらの内のある色チャンネルのコンデンサの端子電圧
が所定の設定値以上になった時に、これを検知し信号を
発生する回路と、この信号によって他色チャンネルのコ
ンデンサの端子電圧をサンプルホールドする回路よりな
り、この端子電圧をテレビカメラの各色チャ：／ネルの
映像の信号増幅器に印加することを特徴とするカメラ色
温度補７′Ｆ肺置７In a photoelectric conversion section in which a photoconductor for each color channel and a capacitor and a power supply are connected in series with each of these, or in a photoelectric conversion section in which a photovoltaic cell and a corredenser are connected in series,
A circuit that detects this and generates a signal when the terminal voltage of a capacitor in a certain color channel exceeds a predetermined setting value, and a circuit that samples and holds the terminal voltage of a capacitor in other color channels using this signal. A camera color temperature compensator 7'F lung position 7 is characterized in that this terminal voltage is applied to a video signal amplifier of each color channel of a television camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8942984U JPS617177U (en) | 1984-06-18 | 1984-06-18 | Color temperature correction device for cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8942984U JPS617177U (en) | 1984-06-18 | 1984-06-18 | Color temperature correction device for cameras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS617177U true JPS617177U (en) | 1986-01-17 |
Family
ID=30643495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8942984U Pending JPS617177U (en) | 1984-06-18 | 1984-06-18 | Color temperature correction device for cameras |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS617177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6167383A (en) * | 1984-09-11 | 1986-04-07 | Sony Corp | Automatic adjusting circuit of white balance |
-
1984
- 1984-06-18 JP JP8942984U patent/JPS617177U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6167383A (en) * | 1984-09-11 | 1986-04-07 | Sony Corp | Automatic adjusting circuit of white balance |
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