JPH0197378U - - Google Patents
Info
- Publication number
- JPH0197378U JPH0197378U JP19200687U JP19200687U JPH0197378U JP H0197378 U JPH0197378 U JP H0197378U JP 19200687 U JP19200687 U JP 19200687U JP 19200687 U JP19200687 U JP 19200687U JP H0197378 U JPH0197378 U JP H0197378U
- Authority
- JP
- Japan
- Prior art keywords
- image
- beam splitter
- display device
- concave mirror
- generating means
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図はこの考案の一実施例の構成図、第２図
は円偏光フイルタを説明する構成図、第３図は従
来の画像表示装置の構成図である。
１…訓練員、２…凹面鏡、３…画像発生手段、
４…ビームスプリツタ、４１…円偏光フイルタ、
４１ａ…直線偏光板、４１ｂ…位相差板（１／４
λ板）、５…外部光。
FIG. 1 is a block diagram of an embodiment of this invention, FIG. 2 is a block diagram illustrating a circularly polarizing filter, and FIG. 3 is a block diagram of a conventional image display device. 1...trainer, 2...concave mirror, 3...image generating means,
4... Beam splitter, 41... Circular polarizing filter,
41a...linear polarizing plate, 41b...retardation plate (1/4
λ plate), 5...External light.
Claims (1)
段と、前記画像発生手段から発生した光を反射、
透過するビームスプリツタと、前記ビームスプリ
ツタが反射する前記光を視準する凹面鏡とからな
る画像表示装置であつて、 前記ビームスプリツタの凹面鏡に対する面とは
反対側の面に円偏光フイルタを配置したことを特
徴とする画像表示装置。[Claims for Utility Model Registration] Image generating means for generating an image based on an image signal; reflecting light generated from the image generating means;
An image display device comprising a transmitting beam splitter and a concave mirror collimating the light reflected by the beam splitter, wherein a circularly polarizing filter is provided on a surface of the beam splitter opposite to a surface facing the concave mirror. An image display device characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19200687U JPH0197378U (en) | 1987-12-19 | 1987-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19200687U JPH0197378U (en) | 1987-12-19 | 1987-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197378U true JPH0197378U (en) | 1989-06-28 |
Family
ID=31482884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19200687U Pending JPH0197378U (en) | 1987-12-19 | 1987-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197378U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04118622A (en) * | 1989-12-22 | 1992-04-20 | Hughes Aircraft Co | Contrast improving device having high transmittance |
| JPH0643397A (en) * | 1992-04-07 | 1994-02-18 | Hughes Aircraft Co | Virtual image display with high-efficiency grid beam divider |
| JPH08136852A (en) * | 1994-11-02 | 1996-05-31 | Olympus Optical Co Ltd | Optical device having eyepiece optical system |
-
1987
- 1987-12-19 JP JP19200687U patent/JPH0197378U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04118622A (en) * | 1989-12-22 | 1992-04-20 | Hughes Aircraft Co | Contrast improving device having high transmittance |
| JPH0643397A (en) * | 1992-04-07 | 1994-02-18 | Hughes Aircraft Co | Virtual image display with high-efficiency grid beam divider |
| JPH08136852A (en) * | 1994-11-02 | 1996-05-31 | Olympus Optical Co Ltd | Optical device having eyepiece optical system |
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