FR2448165A1 - Appareil de fondu enchaine pour projecteurs de diapositives - Google Patents
Appareil de fondu enchaine pour projecteurs de diapositivesInfo
- Publication number
- FR2448165A1 FR2448165A1 FR8002516A FR8002516A FR2448165A1 FR 2448165 A1 FR2448165 A1 FR 2448165A1 FR 8002516 A FR8002516 A FR 8002516A FR 8002516 A FR8002516 A FR 8002516A FR 2448165 A1 FR2448165 A1 FR 2448165A1
- Authority
- FR
- France
- Prior art keywords
- slide projectors
- fade
- string
- control unit
- projectors
- 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.)
- Granted
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)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE873887 | 1979-02-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2448165A1 true FR2448165A1 (fr) | 1980-08-29 |
FR2448165B3 FR2448165B3 (en17) | 1981-11-20 |
Family
ID=3861734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8002516A Granted FR2448165A1 (fr) | 1979-02-02 | 1980-02-01 | Appareil de fondu enchaine pour projecteurs de diapositives |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2448165A1 (en17) |
GB (1) | GB2047428B (en17) |
-
1980
- 1980-02-01 FR FR8002516A patent/FR2448165A1/fr active Granted
- 1980-02-01 GB GB8003510A patent/GB2047428B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2047428B (en) | 1983-09-01 |
FR2448165B3 (en17) | 1981-11-20 |
GB2047428A (en) | 1980-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |