FR2413685B1 - - Google Patents
Info
- Publication number
- FR2413685B1 FR2413685B1 FR7836554A FR7836554A FR2413685B1 FR 2413685 B1 FR2413685 B1 FR 2413685B1 FR 7836554 A FR7836554 A FR 7836554A FR 7836554 A FR7836554 A FR 7836554A FR 2413685 B1 FR2413685 B1 FR 2413685B1
- 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
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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/602—Lenticular screens
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16013577A JPS5492234A (en) | 1977-12-28 | 1977-12-28 | Reflection type screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2413685A1 FR2413685A1 (en) | 1979-07-27 |
| FR2413685B1 true FR2413685B1 (en) | 1982-11-19 |
Family
ID=15708620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7836554A Granted FR2413685A1 (en) | 1977-12-28 | 1978-12-27 | Non-dazzling reflecting projection screen - has Fresnel lens structure formed on diffusion layer |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5492234A (en) |
| FR (1) | FR2413685A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9300958L (en) * | 1993-03-23 | 1994-09-24 | Nova Onab Optica Ab | Offset projector |
| JP3655972B2 (en) * | 1996-08-16 | 2005-06-02 | 大日本印刷株式会社 | Reflective screen and front projection system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR964859A (en) * | 1950-08-26 | |||
| JPS4854934A (en) * | 1971-11-08 | 1973-08-02 | ||
| DE2317944B1 (en) * | 1972-04-10 | 1973-11-15 | Foamed thermoplastics prepn - by incorporating water and blowing agent under pressure | |
| JPS5815761B2 (en) * | 1974-10-07 | 1983-03-28 | キヤノン株式会社 | Hikarikakusanbuzai Oyobisono Seizouhouhou |
| US4229085A (en) * | 1977-03-10 | 1980-10-21 | Canon Kabushiki Kaisha | Film reader |
-
1977
- 1977-12-28 JP JP16013577A patent/JPS5492234A/en active Pending
-
1978
- 1978-12-27 FR FR7836554A patent/FR2413685A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2413685A1 (en) | 1979-07-27 |
| JPS5492234A (en) | 1979-07-21 |