LU68929A1 - - Google Patents
Info
- Publication number
- LU68929A1 LU68929A1 LU68929A LU68929DA LU68929A1 LU 68929 A1 LU68929 A1 LU 68929A1 LU 68929 A LU68929 A LU 68929A LU 68929D A LU68929D A LU 68929DA LU 68929 A1 LU68929 A1 LU 68929A1
- Authority
- LU
- Luxembourg
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
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
- G03B23/18—Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722259651 DE2259651C3 (de) | 1972-12-06 | Doppel-Stehbildwerfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU68929A1 true LU68929A1 (en:Method) | 1974-02-11 |
Family
ID=5863655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU68929A LU68929A1 (en:Method) | 1972-12-06 | 1973-12-04 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3847472A (en:Method) |
| JP (1) | JPS506334A (en:Method) |
| AR (1) | AR199696A1 (en:Method) |
| AU (1) | AU476440B2 (en:Method) |
| BE (1) | BE807061A (en:Method) |
| FR (1) | FR2211134A5 (en:Method) |
| GB (1) | GB1437468A (en:Method) |
| HK (1) | HK38679A (en:Method) |
| LU (1) | LU68929A1 (en:Method) |
| NL (1) | NL7316282A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2539360A1 (de) * | 1975-09-04 | 1977-03-10 | Rollei Werke Franke Heidecke | Stehbild-doppelprojektor |
| DE2542484C3 (de) * | 1975-09-24 | 1978-09-14 | Rollei-Werke Franke & Heidecke, 3300 Braunschweig | Dia-Doppelprojektor |
| US4127324A (en) * | 1976-06-22 | 1978-11-28 | Rollei-Werke Franke & Heidecke | Dual photographic slide projector |
| FR2379831A1 (fr) * | 1977-02-04 | 1978-09-01 | Grenier Georges | Projecteur pour diapositives a plusieurs ensembles-optiques |
| DE3622114C1 (de) * | 1986-07-02 | 1987-07-09 | Reflecta Gmbh Foto | UEberblendprojektor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT273534B (de) * | 1966-06-02 | 1969-08-11 | Meopta Narodni Podnik | Diawechselvorrichtung für Projektoren mit zwei im wesentlichen parallelachsigen objektiven |
| US3501231A (en) * | 1967-08-25 | 1970-03-17 | Rca Corp | Slide projector including two light paths and one slide magazine |
| US3563646A (en) * | 1969-01-31 | 1971-02-16 | Eastman Kodak Co | Lap dissolve system for transparency projection |
-
1973
- 1973-10-08 AR AR250417A patent/AR199696A1/es active
- 1973-10-24 AU AU61771/73A patent/AU476440B2/en not_active Expired
- 1973-11-08 BE BE137527A patent/BE807061A/xx unknown
- 1973-11-22 GB GB5436473A patent/GB1437468A/en not_active Expired
- 1973-11-28 NL NL7316282A patent/NL7316282A/xx not_active Application Discontinuation
- 1973-11-30 US US00420717A patent/US3847472A/en not_active Expired - Lifetime
- 1973-12-04 LU LU68929A patent/LU68929A1/xx unknown
- 1973-12-05 FR FR7343335A patent/FR2211134A5/fr not_active Expired
- 1973-12-06 JP JP48136713A patent/JPS506334A/ja active Pending
-
1979
- 1979-06-14 HK HK386/79A patent/HK38679A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3847472A (en) | 1974-11-12 |
| AU476440B2 (en) | 1976-09-23 |
| GB1437468A (en) | 1976-05-26 |
| DE2259651B2 (de) | 1976-08-05 |
| AR199696A1 (es) | 1974-09-23 |
| AU6177173A (en) | 1975-04-24 |
| NL7316282A (en:Method) | 1974-06-10 |
| FR2211134A5 (en:Method) | 1974-07-12 |
| DE2259651A1 (de) | 1974-06-27 |
| HK38679A (en) | 1979-06-22 |
| JPS506334A (en:Method) | 1975-01-23 |
| BE807061A (fr) | 1974-03-01 |