FR648623A - Perfectionnements aux appareils d'éclairage sans ombres portées - Google Patents
Perfectionnements aux appareils d'éclairage sans ombres portéesInfo
- Publication number
- FR648623A FR648623A FR648623DA FR648623A FR 648623 A FR648623 A FR 648623A FR 648623D A FR648623D A FR 648623DA FR 648623 A FR648623 A FR 648623A
- Authority
- FR
- France
- Prior art keywords
- lighting fixtures
- shadowless lighting
- shadowless
- fixtures
- lighting
- 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
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
- F21V29/58—Cooling arrangements using liquid coolants characterised by the coolants
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- 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
- F21V9/04—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/022—Emergency lighting devices
- F21S9/024—Emergency lighting devices using a supplementary light source for emergency lighting
-
- 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
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
- F21V9/12—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light with liquid-filled chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/20—Lighting for medical use
- F21W2131/205—Lighting for medical use for operating theatres
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR648623T | 1928-02-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR648623A true FR648623A (fr) | 1928-12-12 |
Family
ID=9002813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR648623D Expired FR648623A (fr) | 1928-02-10 | 1928-02-10 | Perfectionnements aux appareils d'éclairage sans ombres portées |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR648623A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE767759C (de) * | 1938-05-25 | 1953-05-18 | Siemens Schuckertwerke A G | Elektrische Spiegelleuchte |
DE967102C (de) * | 1946-08-01 | 1957-10-03 | Ritter Co Inc | Beleuchtungsgeraet |
FR2851028A1 (fr) * | 2003-02-06 | 2004-08-13 | Alm | Dispositif d'eclairage |
EP1968101A3 (fr) * | 2007-03-06 | 2009-07-29 | Werner Quinten | Systàme d'éclairage avec dispositif pour le réfroidissement de la lampe |
-
1928
- 1928-02-10 FR FR648623D patent/FR648623A/fr not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE767759C (de) * | 1938-05-25 | 1953-05-18 | Siemens Schuckertwerke A G | Elektrische Spiegelleuchte |
DE967102C (de) * | 1946-08-01 | 1957-10-03 | Ritter Co Inc | Beleuchtungsgeraet |
FR2851028A1 (fr) * | 2003-02-06 | 2004-08-13 | Alm | Dispositif d'eclairage |
WO2004079259A1 (fr) * | 2003-02-06 | 2004-09-16 | Maquet S.A. | Dispositif d'eclairage |
EP1968101A3 (fr) * | 2007-03-06 | 2009-07-29 | Werner Quinten | Systàme d'éclairage avec dispositif pour le réfroidissement de la lampe |
EP2365516A1 (fr) | 2007-03-06 | 2011-09-14 | Werner Quinten | Systàme d'éclairage pour an aeroport avec dispositif pour le réfroidissement de la lampe |
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