NL6903347A - - Google Patents
Info
- Publication number
- NL6903347A NL6903347A NL6903347A NL6903347A NL6903347A NL 6903347 A NL6903347 A NL 6903347A NL 6903347 A NL6903347 A NL 6903347A NL 6903347 A NL6903347 A NL 6903347A NL 6903347 A NL6903347 A NL 6903347A
- Authority
- NL
- Netherlands
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
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Projection-Type Copiers In General (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72721768A | 1968-05-07 | 1968-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6903347A true NL6903347A (xx) | 1969-11-11 |
Family
ID=24921797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6903347A NL6903347A (xx) | 1968-05-07 | 1969-03-04 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3547531A (xx) |
| BE (1) | BE729102A (xx) |
| DE (1) | DE1905920A1 (xx) |
| FR (1) | FR2007951A1 (xx) |
| GB (1) | GB1203567A (xx) |
| LU (1) | LU58129A1 (xx) |
| NL (1) | NL6903347A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3888576A (en) * | 1972-08-07 | 1975-06-10 | Francis Bolgar | Film projectors |
| US3973344A (en) * | 1973-08-29 | 1976-08-10 | Multi-Slide Corporation Ltd. | Multi-image slide mount |
| US3981574A (en) * | 1973-12-17 | 1976-09-21 | Addressograph Multigraph Corporation | Optical device |
| GB1490755A (en) * | 1975-03-10 | 1977-11-02 | Seib M | Optical viewing apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH218409A (fr) * | 1940-12-19 | 1941-12-15 | Genevoise Instr Physique | Appareil de projection à grossissement multiple. |
| US2742815A (en) * | 1951-03-27 | 1956-04-24 | Optical Measuring Tools Ltd | Optical projection apparatus |
| US2746344A (en) * | 1951-09-21 | 1956-05-22 | Diebold Inc | Microfilm reader |
| US2878718A (en) * | 1955-01-13 | 1959-03-24 | Richard C Carr | Microfilm reader |
-
1968
- 1968-05-07 US US727217A patent/US3547531A/en not_active Expired - Lifetime
-
1969
- 1969-01-27 GB GB4492/69A patent/GB1203567A/en not_active Expired
- 1969-02-06 DE DE19691905920 patent/DE1905920A1/de active Pending
- 1969-02-28 BE BE729102D patent/BE729102A/xx unknown
- 1969-03-03 LU LU58129D patent/LU58129A1/xx unknown
- 1969-03-03 FR FR6905729A patent/FR2007951A1/fr not_active Withdrawn
- 1969-03-04 NL NL6903347A patent/NL6903347A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1203567A (en) | 1970-08-26 |
| DE1905920A1 (de) | 1969-11-20 |
| FR2007951A1 (xx) | 1970-01-16 |
| BE729102A (xx) | 1969-08-28 |
| US3547531A (en) | 1970-12-15 |
| LU58129A1 (xx) | 1969-10-21 |