JPH03127368U - - Google Patents
Info
- Publication number
- JPH03127368U JPH03127368U JP3652790U JP3652790U JPH03127368U JP H03127368 U JPH03127368 U JP H03127368U JP 3652790 U JP3652790 U JP 3652790U JP 3652790 U JP3652790 U JP 3652790U JP H03127368 U JPH03127368 U JP H03127368U
- Authority
- JP
- Japan
- Prior art keywords
- concave mirror
- screen
- display device
- beam splitter
- collimated
- 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
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
Description
第１図はこの考案の一実施例の光学系統図、第
２図は従来の画像表示装置の光学系統図、第３図
は同じく作用説明のための原理図である。
２……凹面鏡、３……ＣＲＴ、５……ビームス
プリツタ。
FIG. 1 is an optical system diagram of an embodiment of this invention, FIG. 2 is an optical system diagram of a conventional image display device, and FIG. 3 is a principle diagram for explaining the operation. 2... Concave mirror, 3... CRT, 5... Beam splitter.
Claims (1)
置するように配置されたＣＲＴと、前記凹面鏡で
反射して視準された前記画面の光束を一定方向に
反射するビームスプリツタとを備えてなる画面表
示装置。 It comprises a concave mirror, a CRT arranged so that the screen is located near the focal plane of the concave mirror, and a beam splitter that reflects in a certain direction the luminous flux of the screen that has been reflected and collimated by the concave mirror. Screen display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3652790U JPH03127368U (en) | 1990-04-06 | 1990-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3652790U JPH03127368U (en) | 1990-04-06 | 1990-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03127368U true JPH03127368U (en) | 1991-12-20 |
Family
ID=31542834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3652790U Pending JPH03127368U (en) | 1990-04-06 | 1990-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03127368U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01267685A (en) * | 1988-04-20 | 1989-10-25 | Mitsubishi Precision Co Ltd | Image display device |
-
1990
- 1990-04-06 JP JP3652790U patent/JPH03127368U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01267685A (en) * | 1988-04-20 | 1989-10-25 | Mitsubishi Precision Co Ltd | Image display device |