GB2047428B - Dissolve apparatuses for slide projectors - Google Patents
Dissolve apparatuses for slide projectorsInfo
- Publication number
- GB2047428B GB2047428B GB8003510A GB8003510A GB2047428B GB 2047428 B GB2047428 B GB 2047428B GB 8003510 A GB8003510 A GB 8003510A GB 8003510 A GB8003510 A GB 8003510A GB 2047428 B GB2047428 B GB 2047428B
- Authority
- GB
- United Kingdom
- Prior art keywords
- dissolve
- apparatuses
- slide projectors
- projectors
- slide
- 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
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 |
---|---|
GB2047428A GB2047428A (en) | 1980-11-26 |
GB2047428B true GB2047428B (en) | 1983-09-01 |
Family
ID=3861734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8003510A Expired GB2047428B (en) | 1979-02-02 | 1980-02-01 | Dissolve apparatuses for slide projectors |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2448165A1 (US06312121-20011106-C00033.png) |
GB (1) | GB2047428B (US06312121-20011106-C00033.png) |
-
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 |
---|---|
FR2448165B3 (US06312121-20011106-C00033.png) | 1981-11-20 |
GB2047428A (en) | 1980-11-26 |
FR2448165A1 (fr) | 1980-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |