FR1564009A - - Google Patents
Info
- Publication number
- FR1564009A FR1564009A FR1564009DA FR1564009A FR 1564009 A FR1564009 A FR 1564009A FR 1564009D A FR1564009D A FR 1564009DA FR 1564009 A FR1564009 A FR 1564009A
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62156467A | 1967-03-08 | 1967-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1564009A true FR1564009A (fr) | 1969-04-18 |
Family
ID=24490664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1564009D Expired FR1564009A (fr) | 1967-03-08 | 1968-03-06 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3492060A (fr) |
| DE (1) | DE1622968A1 (fr) |
| FR (1) | FR1564009A (fr) |
| GB (1) | GB1220604A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4268118A (en) * | 1979-09-05 | 1981-05-19 | Minnesota Mining And Manufacturing Company | Sheeting useful as a projection screen |
| KR0172447B1 (ko) * | 1988-08-25 | 1999-03-30 | 토마슈나스 엘기 | 전면 투사 스크린 및 전면 투사 스크린용 렌즈어레이 |
| GB9524220D0 (en) * | 1995-11-27 | 1996-01-31 | Nashua Corp | Improvements in or relating to projection screens and the like |
| US6724529B2 (en) * | 2002-04-17 | 2004-04-20 | Howard Sinkoff | Reflection-type projection screens |
| US7324276B2 (en) * | 2005-07-12 | 2008-01-29 | Bright View Technologies, Inc. | Front projection screens including reflecting and refractive layers of differing spatial frequencies |
| JP2012128137A (ja) * | 2010-12-15 | 2012-07-05 | Seiko Epson Corp | 反射型スクリーンおよび反射型スクリーンの製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1806864A (en) * | 1931-05-26 | Jules ernest pallemaerts | ||
| US2036146A (en) * | 1933-10-09 | 1936-03-31 | Kampfer Adolf | Reflecting sign |
| US2063004A (en) * | 1933-12-20 | 1936-12-01 | William M Sheffield | Art of obtaining stereoscopic effects |
| GB489617A (en) * | 1937-01-28 | 1938-07-28 | Leopold Darimont | Improvements in and relating to projection screens |
| US2499452A (en) * | 1943-10-06 | 1950-03-07 | Reliephographie Soc Pour L Exp | Photographic images of the type having striated reflecting backs |
| US2914657A (en) * | 1957-05-02 | 1959-11-24 | Guardian Light Company | Outdoor lighting fixtures |
-
1967
- 1967-03-08 US US621564A patent/US3492060A/en not_active Expired - Lifetime
-
1968
- 1968-03-06 FR FR1564009D patent/FR1564009A/fr not_active Expired
- 1968-03-07 GB GB01012/68A patent/GB1220604A/en not_active Expired
- 1968-03-08 DE DE19681622968 patent/DE1622968A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1622968A1 (de) | 1971-02-04 |
| US3492060A (en) | 1970-01-27 |
| GB1220604A (en) | 1971-01-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |