JPH0359786U - - Google Patents
Info
- Publication number
- JPH0359786U JPH0359786U JP12061789U JP12061789U JPH0359786U JP H0359786 U JPH0359786 U JP H0359786U JP 12061789 U JP12061789 U JP 12061789U JP 12061789 U JP12061789 U JP 12061789U JP H0359786 U JPH0359786 U JP H0359786U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- white balance
- detection means
- rated
- signal level
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Color Television Image Signal Generators (AREA)
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は画面の一例を示す説明図、第３図は第２
図の撮像例の一走査線の波形を示す図、第４図は
不要高レベル信号波形を示す図、第５図は不要高
レベル信号を除去した波形を示す図である。
１……レンズ、２……色分解光学系、３〜５…
…撮像素子、６〜８……ゲインコントロールアン
プ、１１……エンコーダー、１３……高レベル信
号検出回路、１４……ゲート回路、１５……ピー
ク検波回路、１６，１７……レベル比較回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Figure 2 is an explanatory diagram showing an example of the screen, and Figure 3 is an explanatory diagram showing an example of the screen.
FIG. 4 is a diagram showing a waveform of one scanning line in the image pickup example shown in the figure, FIG. 4 is a diagram showing an unnecessary high level signal waveform, and FIG. 5 is a diagram showing a waveform from which the unnecessary high level signal has been removed. 1...Lens, 2...Color separation optical system, 3-5...
...Image sensor, 6 to 8...Gain control amplifier, 11...Encoder, 13...High level signal detection circuit, 14...Gate circuit, 15...Peak detection circuit, 16, 17...Level comparison circuit.
Claims (1)
信号を検出する検出手段と、この検出手段によつ
て得られた定格信号レベル以上の信号をホワイト
バランス比較のための信号より除去する除去手段
を備えてなることを特徴とするカラーカメラのオ
ートホワイトバランス回路。 A color camera, comprising a detection means for detecting a signal of a rated signal level or higher, and a removal means for removing a signal of a rated signal level or higher obtained by the detection means from a signal for white balance comparison. An auto white balance circuit for color cameras featuring the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12061789U JPH0359786U (en) | 1989-10-17 | 1989-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12061789U JPH0359786U (en) | 1989-10-17 | 1989-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0359786U true JPH0359786U (en) | 1991-06-12 |
Family
ID=31668687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12061789U Pending JPH0359786U (en) | 1989-10-17 | 1989-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0359786U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62128691A (en) * | 1985-11-29 | 1987-06-10 | Matsushita Electric Ind Co Ltd | Automatic color temperature tracking device for color television camera |
-
1989
- 1989-10-17 JP JP12061789U patent/JPH0359786U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62128691A (en) * | 1985-11-29 | 1987-06-10 | Matsushita Electric Ind Co Ltd | Automatic color temperature tracking device for color television camera |
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