FR1423853A - Advanced lamp with low shadow projection - Google Patents
Advanced lamp with low shadow projectionInfo
- Publication number
- FR1423853A FR1423853A FR995992A FR995992A FR1423853A FR 1423853 A FR1423853 A FR 1423853A FR 995992 A FR995992 A FR 995992A FR 995992 A FR995992 A FR 995992A FR 1423853 A FR1423853 A FR 1423853A
- Authority
- FR
- France
- Prior art keywords
- shadow projection
- low shadow
- advanced lamp
- advanced
- lamp
- 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
- F21V5/02—Refractors for light sources of prismatic shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
-
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR995992A FR1423853A (en) | 1964-11-23 | 1964-11-23 | Advanced lamp with low shadow projection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR995992A FR1423853A (en) | 1964-11-23 | 1964-11-23 | Advanced lamp with low shadow projection |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1423853A true FR1423853A (en) | 1966-01-07 |
Family
ID=8843153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR995992A Expired FR1423853A (en) | 1964-11-23 | 1964-11-23 | Advanced lamp with low shadow projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1423853A (en) |
-
1964
- 1964-11-23 FR FR995992A patent/FR1423853A/en not_active Expired
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