FR2357816B1 - - Google Patents
Info
- Publication number
- FR2357816B1 FR2357816B1 FR7620812A FR7620812A FR2357816B1 FR 2357816 B1 FR2357816 B1 FR 2357816B1 FR 7620812 A FR7620812 A FR 7620812A FR 7620812 A FR7620812 A FR 7620812A FR 2357816 B1 FR2357816 B1 FR 2357816B1
- 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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
- G03D17/00—Dark-room arrangements not provided for in the preceding groups; Portable dark-rooms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
- F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7620812A FR2357816A1 (fr) | 1976-07-07 | 1976-07-07 | Appareil d'eclairage en lumiere inactinique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7620812A FR2357816A1 (fr) | 1976-07-07 | 1976-07-07 | Appareil d'eclairage en lumiere inactinique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2357816A1 FR2357816A1 (fr) | 1978-02-03 |
| FR2357816B1 true FR2357816B1 (US06277897-20010821-C00009.png) | 1982-07-02 |
Family
ID=9175378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7620812A Granted FR2357816A1 (fr) | 1976-07-07 | 1976-07-07 | Appareil d'eclairage en lumiere inactinique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2357816A1 (US06277897-20010821-C00009.png) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1801010A (en) * | 1930-02-17 | 1931-04-14 | Koenig Harry Mitchell | Adjustable-lamp shade |
| FR788847A (fr) * | 1934-04-26 | 1935-10-18 | Ig Farbenindustrie Ag | Dispositif pour l'éclairage des laboratoires |
| FR802361A (fr) * | 1936-02-24 | 1936-09-03 | Kolen Et Delhumeau | Lanterne pour laboratoire photographique |
| DE2346745A1 (de) * | 1972-09-20 | 1974-04-04 | Douglas Johnson | Fotografisches sicherheitslicht |
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1976
- 1976-07-07 FR FR7620812A patent/FR2357816A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2357816A1 (fr) | 1978-02-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |