BE825883A - Dispositif optique pour obtenir le fondu enchaine dans un appareil de projection de diapositives - Google Patents
Dispositif optique pour obtenir le fondu enchaine dans un appareil de projection de diapositivesInfo
- Publication number
- BE825883A BE825883A BE153655A BE153655A BE825883A BE 825883 A BE825883 A BE 825883A BE 153655 A BE153655 A BE 153655A BE 153655 A BE153655 A BE 153655A BE 825883 A BE825883 A BE 825883A
- Authority
- BE
- Belgium
- Prior art keywords
- fade
- cross
- slide projection
- optical device
- projection device
- Prior art date
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)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH260274A CH580825A5 (xx) | 1974-02-25 | 1974-02-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE825883A true BE825883A (fr) | 1975-06-16 |
Family
ID=4237446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE153655A BE825883A (fr) | 1974-02-25 | 1975-02-24 | Dispositif optique pour obtenir le fondu enchaine dans un appareil de projection de diapositives |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS50127630A (xx) |
AU (1) | AU7843875A (xx) |
BE (1) | BE825883A (xx) |
CH (1) | CH580825A5 (xx) |
DD (1) | DD117538A5 (xx) |
DE (1) | DE2506873A1 (xx) |
ES (1) | ES435043A1 (xx) |
IT (1) | IT1030207B (xx) |
NL (1) | NL7502024A (xx) |
NO (1) | NO750548L (xx) |
SE (1) | SE7501899L (xx) |
SU (1) | SU549092A3 (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107809628A (zh) * | 2017-05-12 | 2018-03-16 | 杭州隅千象科技有限公司 | 多方向环幕全覆盖的投影方法、投影仪及投影系统 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1985004265A1 (en) * | 1984-03-16 | 1985-09-26 | Kramer Gideon A | Multiple projection optics slide projection apparatus using a circular slide tray, having fixed-position slide gates |
US9291826B2 (en) * | 2013-11-20 | 2016-03-22 | Christie Digital Systems Usa, Inc. | System for variable distribution of light to a plurality of projectors |
-
1974
- 1974-02-25 CH CH260274A patent/CH580825A5/xx not_active IP Right Cessation
-
1975
- 1975-02-18 NO NO750548A patent/NO750548L/no unknown
- 1975-02-18 DE DE19752506873 patent/DE2506873A1/de active Pending
- 1975-02-20 NL NL7502024A patent/NL7502024A/xx unknown
- 1975-02-20 SE SE7501899A patent/SE7501899L/xx unknown
- 1975-02-21 AU AU78438/75A patent/AU7843875A/en not_active Expired
- 1975-02-21 DD DD184340A patent/DD117538A5/xx unknown
- 1975-02-24 BE BE153655A patent/BE825883A/xx unknown
- 1975-02-24 SU SU2110333A patent/SU549092A3/ru active
- 1975-02-24 IT IT67464/75A patent/IT1030207B/it active
- 1975-02-25 JP JP50023767A patent/JPS50127630A/ja active Pending
- 1975-02-25 ES ES435043A patent/ES435043A1/es not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107809628A (zh) * | 2017-05-12 | 2018-03-16 | 杭州隅千象科技有限公司 | 多方向环幕全覆盖的投影方法、投影仪及投影系统 |
CN107809628B (zh) * | 2017-05-12 | 2024-05-28 | 杭州一隅千象科技有限公司 | 多方向环幕全覆盖的投影方法、投影仪及投影系统 |
Also Published As
Publication number | Publication date |
---|---|
NO750548L (xx) | 1975-08-26 |
SE7501899L (xx) | 1975-08-26 |
NL7502024A (nl) | 1975-08-27 |
SU549092A3 (ru) | 1977-02-28 |
DD117538A5 (xx) | 1976-01-12 |
AU7843875A (en) | 1976-08-26 |
CH580825A5 (xx) | 1976-10-15 |
JPS50127630A (xx) | 1975-10-07 |
IT1030207B (it) | 1979-03-30 |
ES435043A1 (es) | 1976-12-16 |
DE2506873A1 (de) | 1975-08-28 |
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