FR2291517B1 - - Google Patents
Info
- Publication number
- FR2291517B1 FR2291517B1 FR7437977A FR7437977A FR2291517B1 FR 2291517 B1 FR2291517 B1 FR 2291517B1 FR 7437977 A FR7437977 A FR 7437977A FR 7437977 A FR7437977 A FR 7437977A FR 2291517 B1 FR2291517 B1 FR 2291517B1
- Authority
- FR
- France
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
-
- 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
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/54—Lamp housings; Illuminating means
- G03B27/545—Lamp housings; Illuminating means for enlargers
- G03B27/547—Lamp housings; Illuminating means for enlargers colour mixing heads
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7437977A FR2291517A1 (fr) | 1974-11-18 | 1974-11-18 | Dispositif pour synthetiser des couleurs |
GB46794/75A GB1530803A (en) | 1974-11-18 | 1975-11-12 | Apparatus for synthesizing colours |
DE2550891A DE2550891C3 (de) | 1974-11-18 | 1975-11-13 | Vorrichtung für die additive Farbsynthese mittels digitaler Farbdescriptorenanzeige |
US05/631,457 US4071809A (en) | 1974-11-18 | 1975-11-13 | Apparatus for synthesizing of colors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7437977A FR2291517A1 (fr) | 1974-11-18 | 1974-11-18 | Dispositif pour synthetiser des couleurs |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2291517A1 FR2291517A1 (fr) | 1976-06-11 |
FR2291517B1 true FR2291517B1 (fr) | 1979-05-25 |
Family
ID=9145030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7437977A Granted FR2291517A1 (fr) | 1974-11-18 | 1974-11-18 | Dispositif pour synthetiser des couleurs |
Country Status (4)
Country | Link |
---|---|
US (1) | US4071809A (fr) |
DE (1) | DE2550891C3 (fr) |
FR (1) | FR2291517A1 (fr) |
GB (1) | GB1530803A (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2839823A1 (de) * | 1978-09-11 | 1980-03-20 | Reiche & Vogel Gmbh | Lichtquellenanordnung fuer theateroder studiobeleuchtung o.dgl. |
US4317071A (en) * | 1978-11-02 | 1982-02-23 | Murad Peter S E | Computerized illumination system |
JPS55116331A (en) * | 1979-03-02 | 1980-09-06 | Olympus Optical Co | Strobo photographic apparatus |
US4285673A (en) * | 1979-04-26 | 1981-08-25 | Thomas Mark A | Color demonstration device and method |
JPS57638A (en) * | 1980-06-03 | 1982-01-05 | Hoei Sangyo Kk | Additive color source device |
JPS58100843A (ja) * | 1981-12-11 | 1983-06-15 | Minolta Camera Co Ltd | 露光用光源装置 |
FR2536563B1 (fr) * | 1982-11-23 | 1985-07-26 | Ssih Equipment Sa | Element emetteur de lumiere a tube a decharge pour tableau d'affichage matriciel |
US4488207A (en) * | 1983-08-18 | 1984-12-11 | American Standard Inc. | Static multi-color light signal |
US4535394A (en) * | 1983-12-08 | 1985-08-13 | Dugre Michael A | Variable color floodlight |
WO1987005408A1 (fr) * | 1986-02-28 | 1987-09-11 | Chesley F. Carlson Company | Lumiere de test |
DE3633780A1 (de) * | 1986-10-03 | 1988-06-09 | Acr Braendli & Voegeli Ag | Hochleistungsscheinwerfer |
JPS63304222A (ja) * | 1987-06-04 | 1988-12-12 | Minolta Camera Co Ltd | レ−ザ光源装置 |
JPH06502318A (ja) * | 1990-07-25 | 1994-03-17 | セリウム グループ リミテッド | 視覚での色合いを得るための装置と方法 |
US5217285A (en) * | 1991-03-15 | 1993-06-08 | The United States Of America As Represented By United States Department Of Energy | Apparatus for synthesis of a solar spectrum |
AU6034394A (en) * | 1993-02-11 | 1994-08-29 | Louis A. Phares | Controlled lighting system |
US5453918A (en) * | 1994-01-19 | 1995-09-26 | Hernandex; Fernando P. C. | Color illumination apparatus |
JPH08304706A (ja) * | 1995-04-26 | 1996-11-22 | Texas Instr Inc <Ti> | 空間光変調器のためのイルミネーション光学 |
US7014336B1 (en) * | 1999-11-18 | 2006-03-21 | Color Kinetics Incorporated | Systems and methods for generating and modulating illumination conditions |
US6139166A (en) * | 1999-06-24 | 2000-10-31 | Lumileds Lighting B.V. | Luminaire having beam splitters for mixing light from different color ' LEDs |
JP4123189B2 (ja) * | 2004-05-19 | 2008-07-23 | ソニー株式会社 | バックライト装置、及び液晶表示装置 |
US20080084327A1 (en) * | 2005-10-25 | 2008-04-10 | John Rubis | Multicolor illumination system |
US7654685B2 (en) * | 2007-03-06 | 2010-02-02 | Veeco Instruments, Inc. | Variable-wavelength illumination system for interferometry |
US10806536B2 (en) * | 2015-11-03 | 2020-10-20 | Eos Holdings, Llc | Physician-safe illumination in ophthalmic surgeries |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1891216A (en) * | 1930-01-24 | 1932-12-13 | Wired Radio Inc | System for projecting light in variant colors |
US2041458A (en) * | 1935-09-17 | 1936-05-19 | Colorflex Corp | Illumination control system |
US2591650A (en) * | 1945-03-03 | 1952-04-01 | Williams Rollo Gillespie | Control means for color lighting apparatus |
DE1110000B (de) * | 1956-10-29 | 1961-06-29 | Gen Aniline & Film Corp | Photographisches Kopiergeraet |
US3093319A (en) * | 1959-11-26 | 1963-06-11 | Gamain Charles Henri Alfred | Apparatus for producing artificial daylight |
FR1280149A (fr) * | 1960-12-02 | 1961-12-29 | Agfa Ag | Dispositif de commande pour appareil de tirage d'épreuves photographiques |
US3143300A (en) * | 1963-03-04 | 1964-08-04 | Mobilcolor Inc | Variable color illuminator |
FR1570043A (fr) * | 1968-04-25 | 1969-06-06 | ||
US3638070A (en) * | 1969-10-17 | 1972-01-25 | Richard W Powell | Fluorescent lamp starting and control circuit |
GB1314344A (en) * | 1970-01-12 | 1973-04-18 | Agfa Gevaert | Light-projecting apparatus |
DE2048606C3 (de) * | 1970-10-02 | 1985-05-30 | Agfa-Gevaert Ag, 5090 Leverkusen | Vorrichtung zur Belichtungssteuerung |
US3760174A (en) * | 1972-05-31 | 1973-09-18 | Westinghouse Electric Corp | Programmable light source |
-
1974
- 1974-11-18 FR FR7437977A patent/FR2291517A1/fr active Granted
-
1975
- 1975-11-12 GB GB46794/75A patent/GB1530803A/en not_active Expired
- 1975-11-13 US US05/631,457 patent/US4071809A/en not_active Expired - Lifetime
- 1975-11-13 DE DE2550891A patent/DE2550891C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2550891B2 (de) | 1978-10-05 |
FR2291517A1 (fr) | 1976-06-11 |
US4071809A (en) | 1978-01-31 |
DE2550891A1 (de) | 1976-05-20 |
GB1530803A (en) | 1978-11-01 |
DE2550891C3 (de) | 1979-06-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |