JPS5865417A - Dark viewer - Google Patents
Dark viewerInfo
- Publication number
- JPS5865417A JPS5865417A JP16452281A JP16452281A JPS5865417A JP S5865417 A JPS5865417 A JP S5865417A JP 16452281 A JP16452281 A JP 16452281A JP 16452281 A JP16452281 A JP 16452281A JP S5865417 A JPS5865417 A JP S5865417A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- image
- light
- eyepiece
- observer
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Telescopes (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は液晶表示部を有し、さらに接眼レンズを逸して
の観察者の有無に応じて液晶表示部を投光する液晶投光
器を点灯、消灯を行うことが可能な暗視装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention has a liquid crystal display section, and can further turn on and off a liquid crystal projector that emits light from the liquid crystal display section depending on the presence or absence of an observer who has missed the eyepiece. Concerning night vision devices.
従来の暗視装置では第１図に示すような構成である。星
あか９など微弱な光で照明された目標物体１からの光は
対物レンズ２で集められ、イメージインテンシファイア
３のファイバープレート面８に結像される。ファイバー
プレート面８の映像はファイバー９を伝達し光電面１０
に達する。光電面ｌＯからは光に応じた光電子が飛びだ
し、それが電極１１によ）集束、加速され、さらにマイ
クロチャンネル二次電子増倍板１２により増倍され螢光
面１３に衝突し光に変換される。その画像は７アイパー
１３を伝達されファイバープレート面１５に達する。そ
の像１６をアイピース６のついた接眼レンズで拡大して
観察する。A conventional night vision device has a configuration as shown in FIG. Light from a target object 1 illuminated with weak light such as starlight 9 is collected by an objective lens 2 and focused on a fiber plate surface 8 of an image intensifier 3. The image on the fiber plate surface 8 is transmitted through the fiber 9 to the photocathode 10
reach. Photoelectrons corresponding to the light fly out from the photocathode 1O, are focused and accelerated by the electrode 11, are further multiplied by the microchannel secondary electron multiplier 12, collide with the fluorescent surface 13, and are converted into light. Ru. The image is transmitted through the 7-eyeper 13 and reaches the fiber plate surface 15. The image 16 is magnified and observed using an eyepiece equipped with an eyepiece 6.
この時、観察者がアイピース６を顔面で押し込むように
して観察すると、アイピース６の開閉器１７が開いて螢
光面１３の画像１６ｔ−観察していた。At this time, when the observer pressed the eyepiece 6 with his face to observe the image, the switch 17 of the eyepiece 6 opened and the image 16t of the fluorescent surface 13 was observed.
しかし、従来方式では観察者が顔面アイビース６を押し
込むようにしないと、画像１６を観察できないという欠
点があった。However, the conventional method has the disadvantage that the image 16 cannot be observed unless the viewer pushes in the facial eyelids 6.
本発明はイメージインテンシファイア３の出力電子像の
結像位置に液晶を使用し、さらに液晶投光器および観察
者の有無を検知する検知ｉを使用することによシ上記欠
点を除去しアイピースを押し込むことなしに観察できる
暗視装置１１ｔ−提供するものである。The present invention uses a liquid crystal at the imaging position of the output electronic image of the image intensifier 3, and further uses a liquid crystal projector and a detection i that detects the presence or absence of an observer, thereby eliminating the above drawbacks and pushing the eyepiece. This provides a night vision device 11t that allows you to observe the night vision without any problems.
即ち、本発明は、目標物体１を結ｇ１させる対物レンズ
２とその物体ａｔ光電面１０に受けて電子像に変換し、
この電子ｇＩヲ電子増倍して液晶表示部に投射するイメ
ージインテンシファイア３と前記液晶表示部の一端側か
ら投光する液晶投光器と、前記液晶表示部を拡大する接
眼レンズ５と接眼レンズを通して観察する者の有無を検
知する検出器（サーマルディテクター）２９とその検出
器２９からの信号によって液晶投光器２５を点灯、消灯
させる制御回路２６ｔ−含むことによ〕従来の暗視装置
にない、電気的に出力画像を表示させる暗視装置である
。That is, the present invention includes an objective lens 2 that focuses a target object 1 g1, receives the object at a photocathode 10, and converts it into an electronic image.
An image intensifier 3 that multiplies this electron gI and projects it onto the liquid crystal display, a liquid crystal projector that projects light from one end of the liquid crystal display, and an eyepiece 5 that magnifies the liquid crystal display through the eyepiece. By including a detector (thermal detector) 29 that detects the presence or absence of an observer and a control circuit 26t that turns on and off the liquid crystal projector 25 based on the signal from the detector 29, electricity is not available in conventional night vision devices. This is a night vision device that displays an output image.
次に本発明の実施例について図面を参照して説明する。Next, embodiments of the present invention will be described with reference to the drawings.
第２図は本発明による暗視装置の一実施例を示す。本図
において１〜５．７〜１２は第１図と同じ構成であり、
１８は反射ミラー、１９は透明モザイク電極、２０はネ
マ千ツク液晶、２１は透明対向電極、２２はガラス、２
３はハーフミラ−１２４はコリメートレンズ、２５は光
源、２６は制御回路、２７はハーフミラ−１２８は赤外
レンズ、２９は検知器をそれぞれあられ丁。FIG. 2 shows an embodiment of a night vision device according to the invention. In this figure, 1 to 5.7 to 12 have the same configuration as in Figure 1,
18 is a reflecting mirror, 19 is a transparent mosaic electrode, 20 is a negative liquid crystal, 21 is a transparent counter electrode, 22 is glass, 2
3 is a half mirror, 124 is a collimating lens, 25 is a light source, 26 is a control circuit, 27 is a half mirror, 128 is an infrared lens, and 29 is a detector.
この例では星あかりなど微弱な光で照明された目標物体
１からの光は対物レンズ２で集められ、イメージインテ
ンシファイア３のファイバープレート面８に結像する。In this example, light from a target object 1 illuminated with weak light such as starlight is collected by an objective lens 2 and formed into an image on a fiber plate surface 8 of an image intensifier 3.
この映像はファイバー９１−伝達され、光電面１０に達
する。光電面１０からは光に応じた光電子が飛びだし、
それが電極１１により集束、加速され、さらにマイクロ
チャンネル二次増倍板１２により増倍され透明モザイク
電極面１９に衝突する。同電位である透明対向電極２１
と透明モザイク電極面１９に対して前記の電子の衝突に
より、透明モザイク電極１９との間に電位差が生じる。This image is transmitted through the fiber 91 and reaches the photocathode 10. Photoelectrons corresponding to the light fly out from the photocathode 10,
It is focused and accelerated by the electrode 11, further multiplied by the microchannel secondary multiplier plate 12, and collides with the transparent mosaic electrode surface 19. Transparent counter electrode 21 with the same potential
Due to the collision of the electrons with the transparent mosaic electrode surface 19, a potential difference is generated between the transparent mosaic electrode 19 and the transparent mosaic electrode surface 19.
この電位差による電界によ炒液晶２０の双極子分子配列
が電極に対し鉛直になる。Due to the electric field caused by this potential difference, the dipole molecular arrangement of the liquid crystal 20 becomes perpendicular to the electrodes.
この状態の液晶２０は透明状態である。一方、光源２５
からの光はコリメートレンズ２４により平行光にされハ
ーフミラ−２３により液晶面に照射され液晶中を透過後
、反射ミラー１８により反射される。この反射ミラーは
透明モザイク電極１９上にセグメント状に蒸着されてお
り、たとえはクロミウムを材料として用いられている。The liquid crystal 20 in this state is in a transparent state. On the other hand, the light source 25
The light is made into parallel light by a collimating lens 24, irradiated onto a liquid crystal surface by a half mirror 23, transmitted through the liquid crystal, and then reflected by a reflecting mirror 18. This reflective mirror is vapor-deposited in segments on the transparent mosaic electrode 19, and is made of chromium, for example.
観察者の有無を検知するため検知器（サーマルディテク
タ）２９が配置されるが、この観察者から放射される赤
外線エネルギーはハーフミラ−２７を通し赤外レンズ２
８で集められ検知ｉ！！ｉ）（サーマルディテクタ）に
遅する。このような場合の検知器からの信号があるとき
には制御＠２６により光源２５が点灯さ゛れ液晶面の画
像が観察できる＠本発明は以上説明したように観察者の
有無を電気的に検知することにより、従来方式に比べ接
眼レンズについているアイピースを観察者が押し込む必
要のない効果がおる。A thermal detector 29 is arranged to detect the presence or absence of an observer, and infrared energy emitted from the observer passes through a half mirror 27 to an infrared lens 2.
Collected and detected at 8 i! ! i) (thermal detector). In such a case, when there is a signal from the detector, the light source 25 is turned on by the control @ 26, and the image on the liquid crystal surface can be observed.As explained above, the present invention electrically detects the presence or absence of an observer. Compared to the conventional method, there is no need for the observer to push in the eyepiece attached to the eyepiece.
第１図は従来の暗視装置のブロック図、第２図は本発明
の実施例のブロック図である。
１・・・・・・目標物体、２・・・・・・対物レンズ、
３・・・・・・イメージインテンシファイア、４・・・
・・・電源、５・・・・・・接眼レンズ、６・・・・・
・アイピース、７・・・・・・肉眼、８゜１５・・・・
・・ファイバープレート面、９．１４・・・・・・ファ
イバー、１０・・・・・・光電面、１１・・・・・・電
極、１２・・・・・・マイクロチャンネル二次電子増倍
板、１３・・・・・・螢光面、１６・・・・・・像、１
７・・・・・・開閉器、１８・・・・・・反射ミラー、
１９・・・・・・透明モザイク電極、２０・・・・・・
ネマ千ツク液晶、２１・・・・・・透明対向電極、２２
・・・・・・ガラス、２３，２７・・・・・・ハーフミ
ラ−１２４・・・・・・コリメートレンズ、２５・・・
・・・光源、２６・・・・・・制御回路、２８・・・・
・・赤外レンズ、２９・・・・・・検知器。
代理人 弁理士 内 原 晋１″パ′。FIG. 1 is a block diagram of a conventional night vision device, and FIG. 2 is a block diagram of an embodiment of the present invention. 1...Target object, 2...Objective lens,
3... Image intensifier, 4...
...Power supply, 5...Eyepiece, 6...
・Eyepiece, 7...Naked eye, 8°15...
...Fiber plate surface, 9.14...Fiber, 10...Photocathode, 11...Electrode, 12...Microchannel secondary electron multiplication Plate, 13... Fluorescent surface, 16... Image, 1
7...Switch, 18...Reflection mirror,
19...Transparent mosaic electrode, 20...
Nematic liquid crystal, 21... Transparent counter electrode, 22
...Glass, 23,27...Half mirror 124...Collimating lens, 25...
...Light source, 26...Control circuit, 28...
...Infrared lens, 29...Detector. Agent: Patent Attorney Susumu Uchihara 1″Pa′.
Claims (1)
面に受けて電子像に変換し、この電子＊１−電子増倍し
て、液晶表示部に投射するイメージインテンシファイア
と、前記液晶表示部の一端側から投光する液晶投光器と
、前記液晶表示部を拡大する接眼レンズと、この接眼レ
ンズを通して観察する者の有無を熱的に検知するサーマ
ルディテクタと、このサーマルディテクタからの信号に
よって液晶投光Ｓｔ一点灯消灯させる制御回路を含むこ
とを特徴とする暗視装置。an objective lens for forming an image of a target object; an image intensifier for receiving the object image on a photocathode and converting it into an electron image; multiplying the electrons*1-electrons; and projecting the multiplied electrons onto a liquid crystal display section; A liquid crystal projector emits light from one end of the display, an eyepiece that magnifies the liquid crystal display, a thermal detector that thermally detects the presence or absence of an observer through the eyepiece, and a signal from the thermal detector. A night vision device comprising a control circuit for turning on and off a liquid crystal light projection St.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16452281A JPS5865417A (en) | 1981-10-15 | 1981-10-15 | Dark viewer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16452281A JPS5865417A (en) | 1981-10-15 | 1981-10-15 | Dark viewer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5865417A true JPS5865417A (en) | 1983-04-19 |
Family
ID=15794755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16452281A Pending JPS5865417A (en) | 1981-10-15 | 1981-10-15 | Dark viewer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5865417A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60254015A (en) * | 1984-04-17 | 1985-12-14 | トムソン―ティー アール ティー ディフェンス | Dual magnification telescope |
| JPS6411228A (en) * | 1987-07-03 | 1989-01-13 | Hamamatsu Photonics Kk | Space optical modulation tube |
| JPS6411217A (en) * | 1987-07-06 | 1989-01-13 | Sokkisha | Surveying machine with telescope for dark place |
-
1981
- 1981-10-15 JP JP16452281A patent/JPS5865417A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60254015A (en) * | 1984-04-17 | 1985-12-14 | トムソン―ティー アール ティー ディフェンス | Dual magnification telescope |
| JPS6411228A (en) * | 1987-07-03 | 1989-01-13 | Hamamatsu Photonics Kk | Space optical modulation tube |
| JPS6411217A (en) * | 1987-07-06 | 1989-01-13 | Sokkisha | Surveying machine with telescope for dark place |
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