FR2690534B1 - - Google Patents
Info
- Publication number
- FR2690534B1 FR2690534B1 FR9205055A FR9205055A FR2690534B1 FR 2690534 B1 FR2690534 B1 FR 2690534B1 FR 9205055 A FR9205055 A FR 9205055A FR 9205055 A FR9205055 A FR 9205055A FR 2690534 B1 FR2690534 B1 FR 2690534B1
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/30—Collimators
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3016—Polarising elements involving passive liquid crystal elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9205055A FR2690534A1 (fr) | 1992-04-24 | 1992-04-24 | Dispositif de collimation de faible encombrement, en particulier pour visuel de casque. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9205055A FR2690534A1 (fr) | 1992-04-24 | 1992-04-24 | Dispositif de collimation de faible encombrement, en particulier pour visuel de casque. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2690534A1 FR2690534A1 (fr) | 1993-10-29 |
| FR2690534B1 true FR2690534B1 (US20050026921A1-20050203-C00045.png) | 1997-02-21 |
Family
ID=9429217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9205055A Granted FR2690534A1 (fr) | 1992-04-24 | 1992-04-24 | Dispositif de collimation de faible encombrement, en particulier pour visuel de casque. |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2690534A1 (US20050026921A1-20050203-C00045.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5903396A (en) | 1997-10-17 | 1999-05-11 | I/O Display Systems, Llc | Intensified visual display |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7352994A (en) * | 1994-02-07 | 1995-08-21 | Richard Dennis Rallison | Intensified visual display |
| EP0710865A1 (en) * | 1994-10-31 | 1996-05-08 | Kaiser Electro-Optics, Inc. | Optical collimating device |
| JP3295583B2 (ja) * | 1994-12-19 | 2002-06-24 | シャープ株式会社 | 光学装置および該光学装置を用いた頭部搭載型ディスプレイ |
| EP0825470B1 (en) * | 1996-03-11 | 2005-08-03 | Seiko Epson Corporation | Head-mounted display |
| FR2776881B1 (fr) * | 1998-03-24 | 2001-11-16 | Thomson Csf | Dispositif de visualisation en trois dimensions |
| FR2776882B1 (fr) * | 1998-03-24 | 2001-11-16 | Thomson Csf | Dispositif de visualisation stereoscopique |
| FR2780519B1 (fr) * | 1998-06-26 | 2001-11-30 | Thomson Csf | Dispositif de collimation a coefficient de transmission ameliore |
| JP2003502710A (ja) * | 1999-06-22 | 2003-01-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 頭部装着式表示装置 |
| JP3918487B2 (ja) * | 2001-07-26 | 2007-05-23 | セイコーエプソン株式会社 | 立体表示装置及び投射型立体表示装置 |
| US11586024B1 (en) | 2019-08-05 | 2023-02-21 | Meta Platforms Technologies, Llc | Peripheral see-through pancake lens assembly and display device with same |
| US11579425B1 (en) | 2019-08-05 | 2023-02-14 | Meta Platforms Technologies, Llc | Narrow-band peripheral see-through pancake lens assembly and display device with same |
| US11592608B2 (en) | 2019-09-10 | 2023-02-28 | Meta Platforms Technologies, Llc | Switchable polarization retarder array for active zonal illumination of display |
| US11391948B2 (en) | 2019-09-10 | 2022-07-19 | Facebook Technologies, Llc | Display illumination using a grating |
| US11726336B2 (en) | 2019-09-10 | 2023-08-15 | Meta Platforms Technologies, Llc | Active zonal display illumination using a chopped lightguide |
| US11372247B2 (en) | 2019-09-17 | 2022-06-28 | Facebook Technologies, Llc | Display device with diffusive display and see-through lens assembly |
| US11360308B2 (en) | 2020-01-22 | 2022-06-14 | Facebook Technologies, Llc | Optical assembly with holographic optics for folded optical path |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3443858A (en) * | 1966-02-23 | 1969-05-13 | Farrand Optical Co Inc | Infinite optical image-forming apparatus |
| US4859031A (en) * | 1987-08-03 | 1989-08-22 | Kaiser Electronics | Optical collimating apparatus |
-
1992
- 1992-04-24 FR FR9205055A patent/FR2690534A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5903396A (en) | 1997-10-17 | 1999-05-11 | I/O Display Systems, Llc | Intensified visual display |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2690534A1 (fr) | 1993-10-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |