BE811408A - Dispositif pour la formation d'un faisceau lumineux de couleur variable - Google Patents
Dispositif pour la formation d'un faisceau lumineux de couleur variableInfo
- Publication number
- BE811408A BE811408A BE141244A BE141244A BE811408A BE 811408 A BE811408 A BE 811408A BE 141244 A BE141244 A BE 141244A BE 141244 A BE141244 A BE 141244A BE 811408 A BE811408 A BE 811408A
- Authority
- BE
- Belgium
- Prior art keywords
- forming
- variable color
- variable
- color
- 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
- G03B33/00—Colour photography, other than mere exposure or projection of a colour film
-
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB862473A GB1426756A (en) | 1973-02-22 | 1973-02-22 | Variable colour light beam producing device |
Publications (1)
Publication Number | Publication Date |
---|---|
BE811408A true BE811408A (fr) | 1974-06-17 |
Family
ID=9856056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE141244A BE811408A (fr) | 1973-02-22 | 1974-02-21 | Dispositif pour la formation d'un faisceau lumineux de couleur variable |
Country Status (12)
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4126878A (en) * | 1976-05-24 | 1978-11-21 | Steiner I | Optical framing device for photographic cameras |
US4392187A (en) * | 1981-03-02 | 1983-07-05 | Vari-Lite, Ltd. | Computer controlled lighting system having automatically variable position, color, intensity and beam divergence |
US4894760A (en) * | 1982-11-19 | 1990-01-16 | Michael Callahan | Additive color-mixing light fixture employing a single moveable multi-filter array |
NL8401139A (nl) * | 1984-04-10 | 1985-11-01 | Tno | Kleurwisselinrichting voor gebruik met een lichtpuntprojector en dergelijke. |
JPS61197854U (US06312121-20011106-C00033.png) * | 1985-05-30 | 1986-12-10 | ||
US4740812A (en) * | 1985-11-27 | 1988-04-26 | Pryor Paul A | Single channel masking camera & projector |
US5231537A (en) * | 1988-07-21 | 1993-07-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Element selecting device |
DE4127564A1 (de) * | 1991-08-21 | 1993-04-08 | Peter Hennig | Farblichtprozessor |
US5508892A (en) * | 1993-06-22 | 1996-04-16 | H Space Technologies, Inc. | Light processing apparatus for creating visual effects |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1971737A (en) * | 1928-10-04 | 1934-08-28 | Technicolor | Means for measuring color value |
US3227044A (en) * | 1960-09-23 | 1966-01-04 | Eastman Kodak Co | Method of controlling the spectral composition of a light source by the utilization of color control and correcting light filters |
US3217594A (en) * | 1963-02-27 | 1965-11-16 | Simmon Brothers Inc | Photographic printer and enlarger and light mixing device therefor |
-
1973
- 1973-02-22 GB GB862473A patent/GB1426756A/en not_active Expired
-
1974
- 1974-02-20 NL NL7402349A patent/NL7402349A/xx unknown
- 1974-02-21 AU AU65852/74A patent/AU6585274A/en not_active Expired
- 1974-02-21 BE BE141244A patent/BE811408A/xx unknown
- 1974-02-21 IL IL44257A patent/IL44257A0/xx unknown
- 1974-02-22 DE DE19742408615 patent/DE2408615A1/de active Pending
- 1974-02-22 FR FR7406211A patent/FR2219376A1/fr not_active Withdrawn
- 1974-02-22 JP JP49020641A patent/JPS5030376A/ja active Pending
- 1974-02-22 ES ES423516A patent/ES423516A1/es not_active Expired
- 1974-02-22 ZA ZA00741171A patent/ZA741171B/xx unknown
- 1974-02-22 US US445302A patent/US3912361A/en not_active Expired - Lifetime
- 1974-03-06 IT IT67528/74A patent/IT1009174B/it active
Also Published As
Publication number | Publication date |
---|---|
ZA741171B (en) | 1975-02-26 |
ES423516A1 (es) | 1976-05-16 |
JPS5030376A (US06312121-20011106-C00033.png) | 1975-03-26 |
NL7402349A (US06312121-20011106-C00033.png) | 1974-08-26 |
US3912361A (en) | 1975-10-14 |
IL44257A0 (en) | 1974-05-16 |
FR2219376A1 (US06312121-20011106-C00033.png) | 1974-09-20 |
AU6585274A (en) | 1975-08-21 |
IT1009174B (it) | 1976-12-10 |
GB1426756A (en) | 1976-03-03 |
DE2408615A1 (de) | 1974-09-05 |
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