JPH036374U - - Google Patents
Info
- Publication number
- JPH036374U JPH036374U JP6551089U JP6551089U JPH036374U JP H036374 U JPH036374 U JP H036374U JP 6551089 U JP6551089 U JP 6551089U JP 6551089 U JP6551089 U JP 6551089U JP H036374 U JPH036374 U JP H036374U
- Authority
- JP
- Japan
- Prior art keywords
- level
- signal
- adjuster
- image sensor
- detector
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
Description
第１図はこの考案の一実施例を示す構成図、第
２図〜第４図はその説明のための図、第５図は従
来例の構成図、第６図〜第８図はその説明のため
の図である。
２……アイリス、３……撮像素子、５，１０…
…レベル検出器、６，１１……プリコントローラ
、７……アイリスドライバ、９……ＡＧＣアンプ
、１３……プロセス回路、１６……エンコーダ、
２１……アンプ、２３……ダイオード、２４……
抵抗器、２５……接続スイツチ、２６……低照度
ゲインコントローラ。
Fig. 1 is a block diagram showing an embodiment of this invention, Figs. 2 to 4 are diagrams for explaining it, Fig. 5 is a block diagram of a conventional example, and Figs. 6 to 8 are explanations thereof. This is a diagram for 2...Iris, 3...Image sensor, 5, 10...
... Level detector, 6, 11 ... Pre-controller, 7 ... Iris driver, 9 ... AGC amplifier, 13 ... Process circuit, 16 ... Encoder,
21...Amplifier, 23...Diode, 24...
Resistor, 25...Connection switch, 26...Low illuminance gain controller.
Claims (1)
撮像素子からの撮像信号のレベルを調整するレベ
ル調整器と、 このレベル調整器の出力信号のレベルを検出す
るレベル検出器と、 このレベル検出器からの検出信号に応じて上記
アイリスの開きを制御する駆動回路とを備え、 逆光補正時には、上記レベル調整器によつて上
記撮像信号のレベルが小さくされることを特徴と
するビデオカメラ。[Claims for Utility Model Registration] An iris disposed on the front side of an image sensor, a level adjuster for adjusting the level of the image signal from the image sensor, and a level for detecting the level of the output signal of the level adjuster. A detector, and a drive circuit that controls the opening of the iris according to a detection signal from the level detector, and when backlight correction is performed, the level of the imaging signal is reduced by the level adjuster. Features a video camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989065510U JP2507163Y2 (en) | 1989-06-05 | 1989-06-05 | Video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989065510U JP2507163Y2 (en) | 1989-06-05 | 1989-06-05 | Video camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036374U true JPH036374U (en) | 1991-01-22 |
| JP2507163Y2 JP2507163Y2 (en) | 1996-08-14 |
Family
ID=31597400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989065510U Expired - Fee Related JP2507163Y2 (en) | 1989-06-05 | 1989-06-05 | Video camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2507163Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008518178A (en) * | 2004-11-01 | 2008-05-29 | オード，リチャード | Shut-off assembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62281683A (en) * | 1986-05-30 | 1987-12-07 | Sharp Corp | Auto-iris system for video camera |
-
1989
- 1989-06-05 JP JP1989065510U patent/JP2507163Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62281683A (en) * | 1986-05-30 | 1987-12-07 | Sharp Corp | Auto-iris system for video camera |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008518178A (en) * | 2004-11-01 | 2008-05-29 | オード，リチャード | Shut-off assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2507163Y2 (en) | 1996-08-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |