FR1405314A - artificial lighting of a specific area - Google Patents
artificial lighting of a specific areaInfo
- Publication number
- FR1405314A FR1405314A FR975819A FR975819A FR1405314A FR 1405314 A FR1405314 A FR 1405314A FR 975819 A FR975819 A FR 975819A FR 975819 A FR975819 A FR 975819A FR 1405314 A FR1405314 A FR 1405314A
- Authority
- FR
- France
- Prior art keywords
- specific area
- artificial lighting
- lighting
- artificial
- area
- 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
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2013—Plural light sources
-
- 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
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR975819A FR1405314A (en) | 1964-05-26 | 1964-05-26 | artificial lighting of a specific area |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR975819A FR1405314A (en) | 1964-05-26 | 1964-05-26 | artificial lighting of a specific area |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1405314A true FR1405314A (en) | 1965-07-09 |
Family
ID=8830861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR975819A Expired FR1405314A (en) | 1964-05-26 | 1964-05-26 | artificial lighting of a specific area |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1405314A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0199976A1 (en) * | 1985-04-18 | 1986-11-05 | Licentia Patent-Verwaltungs-GmbH | Illumination device for automatic reading |
EP0479042A2 (en) * | 1990-10-04 | 1992-04-08 | Christian Bartenbach | Lighting device |
-
1964
- 1964-05-26 FR FR975819A patent/FR1405314A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0199976A1 (en) * | 1985-04-18 | 1986-11-05 | Licentia Patent-Verwaltungs-GmbH | Illumination device for automatic reading |
US4758715A (en) * | 1985-04-18 | 1988-07-19 | Licentia Patent-Verwaltungs-Gmbh | Illumination device for optical recognition and reading having curved mirrors |
EP0479042A2 (en) * | 1990-10-04 | 1992-04-08 | Christian Bartenbach | Lighting device |
EP0479042A3 (en) * | 1990-10-04 | 1992-08-05 | Christian Bartenbach | Lighting device |
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