BE683722A - - Google Patents
Info
- Publication number
- BE683722A BE683722A BE683722DA BE683722A BE 683722 A BE683722 A BE 683722A BE 683722D A BE683722D A BE 683722DA BE 683722 A BE683722 A BE 683722A
- Authority
- BE
- Belgium
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US469385A US3383153A (en) | 1965-07-06 | 1965-07-06 | Projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE683722A true BE683722A (cg-RX-API-DMAC7.html) | 1967-01-06 |
Family
ID=23863585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE683722D BE683722A (cg-RX-API-DMAC7.html) | 1965-07-06 | 1966-07-06 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3383153A (cg-RX-API-DMAC7.html) |
| BE (1) | BE683722A (cg-RX-API-DMAC7.html) |
| CH (1) | CH452222A (cg-RX-API-DMAC7.html) |
| DE (1) | DE1547242A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1147437A (cg-RX-API-DMAC7.html) |
| NL (1) | NL6609399A (cg-RX-API-DMAC7.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1944365C3 (de) * | 1968-09-04 | 1974-02-28 | Fuji Photo Film Co. Ltd., Ashigara, Kanagawa (Japan) | Tageslicht-Projektionswand |
| US4354737A (en) * | 1980-09-29 | 1982-10-19 | The Singer Company | Variable gain screen permitting off-axis viewing with image brightness remaining constant |
| US6262840B1 (en) * | 1996-05-30 | 2001-07-17 | Sony Corporation | Plano lens, rear-projection type projector screen employing the same, and rear-projection type video display apparatus |
| US6600599B2 (en) * | 1998-06-09 | 2003-07-29 | Avery Dennison Corporation | Rear projection screens and light filters with conformable coatings and methods of making the same |
| US6535333B1 (en) | 2000-11-21 | 2003-03-18 | 3M Innovative Properties Company | Optical system with reduced color shift |
| US7248406B2 (en) | 2004-10-15 | 2007-07-24 | Hewlett-Packard Development Company, L.P. | Projection screen |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1868834A (en) * | 1929-02-21 | 1932-07-26 | Albert B Hurley | Nonglare moving picture screen |
| US2378252A (en) * | 1942-06-30 | 1945-06-12 | Eastman Kodak Co | Projection screen |
| US3034406A (en) * | 1959-03-23 | 1962-05-15 | Minnesota Mining & Mfg | Reflex-reflecting wall structure |
| US3168411A (en) * | 1961-03-29 | 1965-02-02 | United Shoe Machinery Corp | Method of coating base and top coats |
| US3247005A (en) * | 1961-10-18 | 1966-04-19 | Prismo Safety Corp | Method of producing dual message signs |
-
1965
- 1965-07-06 US US469385A patent/US3383153A/en not_active Expired - Lifetime
-
1966
- 1966-06-28 CH CH939266A patent/CH452222A/de unknown
- 1966-07-04 DE DE19661547242 patent/DE1547242A1/de active Pending
- 1966-07-05 NL NL6609399A patent/NL6609399A/xx unknown
- 1966-07-05 GB GB30148/66A patent/GB1147437A/en not_active Expired
- 1966-07-06 BE BE683722D patent/BE683722A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3383153A (en) | 1968-05-14 |
| CH452222A (de) | 1968-05-31 |
| NL6609399A (cg-RX-API-DMAC7.html) | 1967-01-09 |
| DE1547242A1 (de) | 1969-12-18 |
| GB1147437A (en) | 1969-04-02 |