FR2081781A1 - - Google Patents
Info
- Publication number
- FR2081781A1 FR2081781A1 FR7106102A FR7106102A FR2081781A1 FR 2081781 A1 FR2081781 A1 FR 2081781A1 FR 7106102 A FR7106102 A FR 7106102A FR 7106102 A FR7106102 A FR 7106102A FR 2081781 A1 FR2081781 A1 FR 2081781A1
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Projection Apparatus (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1767170A | 1970-03-09 | 1970-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2081781A1 true FR2081781A1 (fr) | 1971-12-10 |
| FR2081781B1 FR2081781B1 (fr) | 1974-04-26 |
Family
ID=21783920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7106102A Expired FR2081781B1 (fr) | 1970-03-09 | 1971-02-23 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3704936A (fr) |
| CA (1) | CA959685A (fr) |
| DE (1) | DE2111218A1 (fr) |
| FR (1) | FR2081781B1 (fr) |
| GB (1) | GB1336684A (fr) |
| NL (1) | NL7103063A (fr) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986006237A1 (fr) * | 1984-09-29 | 1986-10-23 | Masataka Negishi | Appareil de formation d'images |
| US4807975A (en) * | 1985-04-17 | 1989-02-28 | Masataka Negishi | Image forming system having uniform illumination flux for liquid crystal image means |
| US5315330A (en) * | 1989-12-21 | 1994-05-24 | Sharp Kabushiki Kaisha | Projection type display apparatus |
| JPH03192212A (ja) * | 1989-12-21 | 1991-08-22 | Sharp Corp | 投影型画像表示装置 |
| US5455709A (en) * | 1993-03-23 | 1995-10-03 | Martin Marietta Corporation | Total internal reflection spatial light modulation apparatus and method of fabrication thereof |
| JPH07159722A (ja) * | 1993-12-09 | 1995-06-23 | Nikon Corp | 投射装置 |
| JPH07306395A (ja) * | 1994-05-10 | 1995-11-21 | Nikon Corp | 投射装置 |
| US5839808A (en) * | 1994-09-28 | 1998-11-24 | Nikon Corporation | Projection optical system |
| US6076931A (en) * | 1997-11-14 | 2000-06-20 | Aurora Systems, Inc. | De-centered lens group for use in an off-axis projector |
| US6480337B2 (en) * | 1999-03-04 | 2002-11-12 | Mixed Reality Systems Laboratory Inc. | Image display apparatus |
| US6688748B2 (en) * | 2001-01-12 | 2004-02-10 | Aurora Systems, Inc. | System and method for using off-axis illumination in a reflective projection system |
| RU2212044C1 (ru) * | 2002-01-31 | 2003-09-10 | Общество С Ограниченной Ответственностью "Инсмат Технология" | Способ формирования оптического изображения в некогерентном свете |
| TW585255U (en) * | 2002-10-09 | 2004-04-21 | Young Optics Inc | Projection optical apparatus having a wedge prism |
| US7204599B2 (en) * | 2004-12-16 | 2007-04-17 | Hewlett-Packard Development Company, L.P. | Offset projection system |
| US20070097476A1 (en) * | 2005-10-28 | 2007-05-03 | Truninger Martha A | Display system having a charge-controlled spatial light-modulator |
| KR102673819B1 (ko) * | 2018-09-17 | 2024-06-10 | 삼성전자주식회사 | 투시형 디스플레이 장치 및 이를 포함하는 증강 현실 장치 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR391058A (fr) * | 1908-06-09 | 1908-10-22 | Charles Dupuis | Système d'éclairage des images opaques sur fond métallisé brillant, en vue de leur projection |
| FR1087835A (fr) * | 1953-06-15 | 1955-03-01 | Electronique Soc Gen | Dispositif pour la projection sur grand écran d'images télévisées |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2338488A (en) * | 1942-08-29 | 1944-01-04 | Leo H Brown | Rear-vision device |
| US2510846A (en) * | 1945-05-23 | 1950-06-06 | Scophony Corp | Television receiving device |
| US2647437A (en) * | 1949-05-17 | 1953-08-04 | Instr Dev Lab Inc | Picture unit for stereopticons |
| NL244603A (fr) * | 1959-10-22 | 1964-02-10 | ||
| CH454296A (de) * | 1967-03-17 | 1968-04-15 | Foerderung Forschung Gmbh | Einrichtung zur Verstärkung der Intensität eines optisch erzeugten Bildes |
-
1970
- 1970-03-09 US US17671A patent/US3704936A/en not_active Expired - Lifetime
-
1971
- 1971-02-23 FR FR7106102A patent/FR2081781B1/fr not_active Expired
- 1971-03-01 CA CA106,571A patent/CA959685A/en not_active Expired
- 1971-03-08 NL NL7103063A patent/NL7103063A/xx unknown
- 1971-03-09 DE DE19712111218 patent/DE2111218A1/de active Pending
- 1971-04-19 GB GB2318571*A patent/GB1336684A/en not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR391058A (fr) * | 1908-06-09 | 1908-10-22 | Charles Dupuis | Système d'éclairage des images opaques sur fond métallisé brillant, en vue de leur projection |
| FR1087835A (fr) * | 1953-06-15 | 1955-03-01 | Electronique Soc Gen | Dispositif pour la projection sur grand écran d'images télévisées |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2081781B1 (fr) | 1974-04-26 |
| NL7103063A (fr) | 1971-09-13 |
| CA959685A (en) | 1974-12-24 |
| DE2111218A1 (de) | 1971-09-30 |
| US3704936A (en) | 1972-12-05 |
| GB1336684A (en) | 1973-11-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |