FR1517480A - Lampe de projection - Google Patents
Lampe de projectionInfo
- Publication number
- FR1517480A FR1517480A FR101342A FR101342A FR1517480A FR 1517480 A FR1517480 A FR 1517480A FR 101342 A FR101342 A FR 101342A FR 101342 A FR101342 A FR 101342A FR 1517480 A FR1517480 A FR 1517480A
- Authority
- FR
- France
- Prior art keywords
- projection lamp
- lamp
- projection
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
-
- 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
- F21V7/04—Optical design
- F21V7/08—Optical design with elliptical curvature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
- H01K1/325—Reflecting coating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR101342A FR1517480A (fr) | 1967-04-04 | 1967-04-04 | Lampe de projection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR101342A FR1517480A (fr) | 1967-04-04 | 1967-04-04 | Lampe de projection |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1517480A true FR1517480A (fr) | 1968-03-15 |
Family
ID=8628090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR101342A Expired FR1517480A (fr) | 1967-04-04 | 1967-04-04 | Lampe de projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1517480A (fr) |
-
1967
- 1967-04-04 FR FR101342A patent/FR1517480A/fr not_active Expired
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