JPH0398415U - - Google Patents
Info
- Publication number
- JPH0398415U JPH0398415U JP617990U JP617990U JPH0398415U JP H0398415 U JPH0398415 U JP H0398415U JP 617990 U JP617990 U JP 617990U JP 617990 U JP617990 U JP 617990U JP H0398415 U JPH0398415 U JP H0398415U
- Authority
- JP
- Japan
- Prior art keywords
- image sensor
- solid
- state image
- field memory
- light amount
- 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
- 239000000835 fiber Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000005286 illumination Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は、本考案によるＴＶ内視鏡用光量調整
装置の一実施例の概略ブロツク図を示す。
１……ライトガイド用フアイバーバンドル、３
……固体撮像素子、４……光源、５……絞り羽根
、６……サーボモータ、９……映像増幅器、１０
……Ａ／Ｄ変換器、１１……切換スイツチ、１２
，１３，１４……フイールドメモリ、１５，１６
，１７……Ｄ／Ａ変換器、１８……加算回路、１
９……比較回路、２０……位置検出用ポテンシヨ
メータ、２１……増幅器。
FIG. 1 shows a schematic block diagram of an embodiment of a light amount adjusting device for a TV endoscope according to the present invention. 1... Fiber bundle for light guide, 3
...Solid-state image sensor, 4...Light source, 5...Aperture blade, 6...Servo motor, 9...Video amplifier, 10
... A/D converter, 11 ... Selector switch, 12
, 13, 14...Field memory, 15, 16
, 17...D/A converter, 18...Addition circuit, 1
9...Comparison circuit, 20...Position detection potentiometer, 21...Amplifier.
Claims (1)
ドル及び固体撮像素子を備えたＴＶ内視鏡の上記
ライトガイドフアイバーバンドルの入射端と光源
との間に配置され、上記固体撮像素子から得られ
る映像信号に基づき開閉制御される光量絞り部材
を含むＴＶ内視鏡用光量調整装置において、上記
固体撮像素子から得られるＲ，Ｇ，Ｂフイールド
順次の映像信号をそれぞれ記憶するためのフイー
ルドメモリ回路と、これらフイールドメモリ回路
から読み出される映像信号をアナログ信号に変換
するそれぞれのＤ／Ａ変換回路と、これらアナロ
グ信号に変換されたＲ，Ｇ，Ｂの映像信号を加算
する加算回路と、該加算回路により得られた映像
信号に基づき、上記光量絞り部材を自動設定する
自動レベル設定手段を設けたことを特徴とするＴ
Ｖ内視鏡用光量調整装置。 It is arranged between the incident end of the light guide fiber bundle and the light source of the TV endoscope, which is equipped with at least a light guide fiber bundle for illumination and a solid-state image sensor, and is opened and closed controlled based on the video signal obtained from the solid-state image sensor. A light amount adjusting device for a TV endoscope including a light amount diaphragm member comprising a field memory circuit for storing sequential video signals of R, G, and B fields obtained from the solid-state image sensor, and a field memory circuit for storing sequential video signals of R, G, and B fields obtained from the solid-state image sensor, and a field memory circuit for reading out from these field memory circuits. Each D/A conversion circuit converts the video signal into an analog signal, an adder circuit adds the R, G, and B video signals converted to the analog signal, and the video signal obtained by the adder circuit is Based on the above, T characterized in that an automatic level setting means for automatically setting the light amount diaphragm member is provided.
Light amount adjustment device for V endoscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990006179U JP2576596Y2 (en) | 1990-01-29 | 1990-01-29 | Light amount adjusting device for TV endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990006179U JP2576596Y2 (en) | 1990-01-29 | 1990-01-29 | Light amount adjusting device for TV endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0398415U true JPH0398415U (en) | 1991-10-14 |
| JP2576596Y2 JP2576596Y2 (en) | 1998-07-16 |
Family
ID=31509856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990006179U Expired - Lifetime JP2576596Y2 (en) | 1990-01-29 | 1990-01-29 | Light amount adjusting device for TV endoscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2576596Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013537646A (en) * | 2010-08-02 | 2013-10-03 | テールズ | Modular night vision system with fusion optical sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63131117A (en) * | 1986-11-20 | 1988-06-03 | Olympus Optical Co Ltd | Endoscope device |
| JPS63287813A (en) * | 1987-05-20 | 1988-11-24 | Olympus Optical Co Ltd | Endoscope device |
| JPS6486932A (en) * | 1987-09-30 | 1989-03-31 | Olympus Optical Co | Endoscopic apparatus |
| JPH01217412A (en) * | 1988-02-26 | 1989-08-31 | Olympus Optical Co Ltd | Automatic dimming control device for endoscope |
-
1990
- 1990-01-29 JP JP1990006179U patent/JP2576596Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63131117A (en) * | 1986-11-20 | 1988-06-03 | Olympus Optical Co Ltd | Endoscope device |
| JPS63287813A (en) * | 1987-05-20 | 1988-11-24 | Olympus Optical Co Ltd | Endoscope device |
| JPS6486932A (en) * | 1987-09-30 | 1989-03-31 | Olympus Optical Co | Endoscopic apparatus |
| JPH01217412A (en) * | 1988-02-26 | 1989-08-31 | Olympus Optical Co Ltd | Automatic dimming control device for endoscope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013537646A (en) * | 2010-08-02 | 2013-10-03 | テールズ | Modular night vision system with fusion optical sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2576596Y2 (en) | 1998-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |