JPS6286780U - - Google Patents
Info
- Publication number
- JPS6286780U JPS6286780U JP1985179401U JP17940185U JPS6286780U JP S6286780 U JPS6286780 U JP S6286780U JP 1985179401 U JP1985179401 U JP 1985179401U JP 17940185 U JP17940185 U JP 17940185U JP S6286780 U JPS6286780 U JP S6286780U
- Authority
- JP
- Japan
- Prior art keywords
- solid
- image sensor
- state image
- drive circuit
- clamp 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 4
Landscapes
- Transforming Light Signals Into Electric Signals (AREA)
Description
第１図はこの考案の一実施例のオートアイリス
制御回路の回路図、第２図は同実施例の制御回路
に含まれる検出回路におけるクランプタイミング
を示す波形図、第３図は従来例のオートアイリス
制御回路の回路図、第４図は従来例の制御回路に
含まれる検出回路におけるクランプタイミングを
示す波形図である。
１：固体撮像素子、２：アイリス、４：駆動回
路、５：検出回路。
Fig. 1 is a circuit diagram of an auto iris control circuit according to an embodiment of this invention, Fig. 2 is a waveform diagram showing clamp timing in a detection circuit included in the control circuit of the same embodiment, and Fig. 3 is a conventional auto iris control circuit. A circuit diagram of the circuit, FIG. 4 is a waveform diagram showing clamp timing in a detection circuit included in a conventional control circuit. 1: solid-state image sensor, 2: iris, 4: drive circuit, 5: detection circuit.
Claims (1)
、前記固体撮像素子より得られた撮像信号に含ま
れるブランキング部をクランプしたクランプレベ
ルを検出する検出回路と、前記クランプレベルに
応じてアイリスの開度を制御する駆動回路とから
なるオートアイリス制御回路。 In a video camera using a solid-state image sensor, a detection circuit detects a clamp level at which a blanking portion included in an image signal obtained from the solid-state image sensor is clamped, and controls an opening degree of an iris according to the clamp level. The auto iris control circuit consists of a drive circuit and a drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985179401U JPS6286780U (en) | 1985-11-19 | 1985-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985179401U JPS6286780U (en) | 1985-11-19 | 1985-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6286780U true JPS6286780U (en) | 1987-06-03 |
Family
ID=31122428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985179401U Pending JPS6286780U (en) | 1985-11-19 | 1985-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6286780U (en) |
-
1985
- 1985-11-19 JP JP1985179401U patent/JPS6286780U/ja active Pending
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