FR2938665B1 - Dispositif de visualisation interactif optiquement a hauteur de projection variable - Google Patents
Dispositif de visualisation interactif optiquement a hauteur de projection variableInfo
- Publication number
- FR2938665B1 FR2938665B1 FR0857823A FR0857823A FR2938665B1 FR 2938665 B1 FR2938665 B1 FR 2938665B1 FR 0857823 A FR0857823 A FR 0857823A FR 0857823 A FR0857823 A FR 0857823A FR 2938665 B1 FR2938665 B1 FR 2938665B1
- Authority
- FR
- France
- Prior art keywords
- visualization device
- projection height
- interactive visualization
- variable projection
- optically interactive
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
- G03B17/54—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0857823A FR2938665B1 (fr) | 2008-11-18 | 2008-11-18 | Dispositif de visualisation interactif optiquement a hauteur de projection variable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0857823A FR2938665B1 (fr) | 2008-11-18 | 2008-11-18 | Dispositif de visualisation interactif optiquement a hauteur de projection variable |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2938665A1 FR2938665A1 (fr) | 2010-05-21 |
FR2938665B1 true FR2938665B1 (fr) | 2011-01-21 |
Family
ID=40873801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0857823A Expired - Fee Related FR2938665B1 (fr) | 2008-11-18 | 2008-11-18 | Dispositif de visualisation interactif optiquement a hauteur de projection variable |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2938665B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113864601A (zh) * | 2021-09-30 | 2021-12-31 | 安徽博广慧教育科技有限公司 | 一种教学辅助设备及其控制*** |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2575910B2 (ja) * | 1990-02-19 | 1997-01-29 | 株式会社 電通プロックス | 自動追尾投影装置 |
US5568963A (en) * | 1994-03-09 | 1996-10-29 | Del Mar Avionics | Method and apparatus for multimedia presentations |
JPH0950244A (ja) * | 1995-08-07 | 1997-02-18 | Hitachi Ltd | 投写装置の収納卓 |
US6512507B1 (en) * | 1998-03-31 | 2003-01-28 | Seiko Epson Corporation | Pointing position detection device, presentation system, and method, and computer-readable medium |
US6275214B1 (en) * | 1999-07-06 | 2001-08-14 | Karl C. Hansen | Computer presentation system and method with optical tracking of wireless pointer |
-
2008
- 2008-11-18 FR FR0857823A patent/FR2938665B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2938665A1 (fr) | 2010-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20130731 |