ES406491A1 - Una disposicion de circuito de control para cambiar, alter-nativamente, el funcionamiento entre dos sistemas opticos deproyeccion de diapositivas. - Google Patents
Una disposicion de circuito de control para cambiar, alter-nativamente, el funcionamiento entre dos sistemas opticos deproyeccion de diapositivas.Info
- Publication number
- ES406491A1 ES406491A1 ES406491A ES406491A ES406491A1 ES 406491 A1 ES406491 A1 ES 406491A1 ES 406491 A ES406491 A ES 406491A ES 406491 A ES406491 A ES 406491A ES 406491 A1 ES406491 A1 ES 406491A1
- Authority
- ES
- Spain
- Prior art keywords
- chassis
- control circuit
- projection systems
- change
- transport
- Prior art date
- 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
- 230000003287 optical effect Effects 0.000 title abstract 2
- 230000000694 effects Effects 0.000 abstract 2
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 |
|---|---|---|---|
| DE19712145100 DE2145100C3 (de) | 1971-09-09 | Steuerschaltung für Überblendprojektion im Vorwärts- und im Rückwärtslauf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES406491A1 true ES406491A1 (es) | 1975-07-16 |
Family
ID=5819096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES406491A Expired ES406491A1 (es) | 1971-09-09 | 1972-09-08 | Una disposicion de circuito de control para cambiar, alter-nativamente, el funcionamiento entre dos sistemas opticos deproyeccion de diapositivas. |
Country Status (5)
| Country | Link |
|---|---|
| ES (1) | ES406491A1 (enExample) |
| FR (1) | FR2152205A5 (enExample) |
| GB (1) | GB1403427A (enExample) |
| HK (1) | HK15976A (enExample) |
| MY (1) | MY7600082A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2353874A1 (fr) * | 1976-06-03 | 1977-12-30 | Serac Ind | Dispositif pour la commande en fondu enchaine d'au moins une paire de projecteurs de diapositives |
| US20150309695A1 (en) * | 2014-04-28 | 2015-10-29 | Modest Tree Media Inc. | Virtual interactive learning environment |
-
1972
- 1972-09-08 ES ES406491A patent/ES406491A1/es not_active Expired
- 1972-09-08 FR FR7231842A patent/FR2152205A5/fr not_active Expired
- 1972-09-11 GB GB4203372A patent/GB1403427A/en not_active Expired
-
1976
- 1976-03-18 HK HK15976A patent/HK15976A/xx unknown
- 1976-12-30 MY MY7600082A patent/MY7600082A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HK15976A (en) | 1976-03-26 |
| DE2145100B2 (de) | 1973-08-30 |
| DE2145100A1 (de) | 1973-03-29 |
| GB1403427A (en) | 1975-08-28 |
| MY7600082A (en) | 1976-12-31 |
| FR2152205A5 (enExample) | 1973-04-20 |
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