JPH0457882U - - Google Patents
Info
- Publication number
- JPH0457882U JPH0457882U JP9877090U JP9877090U JPH0457882U JP H0457882 U JPH0457882 U JP H0457882U JP 9877090 U JP9877090 U JP 9877090U JP 9877090 U JP9877090 U JP 9877090U JP H0457882 U JPH0457882 U JP H0457882U
- Authority
- JP
- Japan
- Prior art keywords
- diffraction grating
- grating plate
- reflective hologram
- hologram diffraction
- light
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990098770U JP2505383Y2 (ja) | 1990-09-20 | 1990-09-20 | ホログラフィックヘッドアップディスプレイ |
DE69119017T DE69119017T2 (de) | 1990-09-20 | 1991-09-19 | Bildanzeigegerät |
EP91115953A EP0479059B1 (en) | 1990-09-20 | 1991-09-19 | A headup display apparatus |
US08/353,304 US5497170A (en) | 1990-09-20 | 1994-12-05 | Headup display apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990098770U JP2505383Y2 (ja) | 1990-09-20 | 1990-09-20 | ホログラフィックヘッドアップディスプレイ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0457882U true JPH0457882U (uk) | 1992-05-18 |
JP2505383Y2 JP2505383Y2 (ja) | 1996-07-31 |
Family
ID=31840192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990098770U Expired - Lifetime JP2505383Y2 (ja) | 1990-09-20 | 1990-09-20 | ホログラフィックヘッドアップディスプレイ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2505383Y2 (uk) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012113221A (ja) * | 2010-11-26 | 2012-06-14 | Dainippon Printing Co Ltd | 照明装置、投射装置および投射型映像表示装置 |
JP2019159283A (ja) * | 2018-03-16 | 2019-09-19 | 株式会社リコー | 画像投写装置及び移動体 |
JP2019159285A (ja) * | 2018-03-16 | 2019-09-19 | 株式会社リコー | 表示装置及び機器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6272230U (uk) * | 1985-10-25 | 1987-05-08 | ||
JPS6435143U (uk) * | 1987-08-28 | 1989-03-03 | ||
JPH0245829U (uk) * | 1988-09-27 | 1990-03-29 |
-
1990
- 1990-09-20 JP JP1990098770U patent/JP2505383Y2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6272230U (uk) * | 1985-10-25 | 1987-05-08 | ||
JPS6435143U (uk) * | 1987-08-28 | 1989-03-03 | ||
JPH0245829U (uk) * | 1988-09-27 | 1990-03-29 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012113221A (ja) * | 2010-11-26 | 2012-06-14 | Dainippon Printing Co Ltd | 照明装置、投射装置および投射型映像表示装置 |
JP2019159283A (ja) * | 2018-03-16 | 2019-09-19 | 株式会社リコー | 画像投写装置及び移動体 |
JP2019159285A (ja) * | 2018-03-16 | 2019-09-19 | 株式会社リコー | 表示装置及び機器 |
US11226485B2 (en) | 2018-03-16 | 2022-01-18 | Ricoh Company, Ltd. | Image projection device and moving body |
Also Published As
Publication number | Publication date |
---|---|
JP2505383Y2 (ja) | 1996-07-31 |
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