FR865490A - Light reflector with adjustable aperture - Google Patents
Light reflector with adjustable apertureInfo
- Publication number
- FR865490A FR865490A FR865490DA FR865490A FR 865490 A FR865490 A FR 865490A FR 865490D A FR865490D A FR 865490DA FR 865490 A FR865490 A FR 865490A
- Authority
- FR
- France
- Prior art keywords
- light reflector
- adjustable aperture
- aperture
- adjustable
- reflector
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
- F21V11/10—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures of iris type
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR865490T | 1940-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR865490A true FR865490A (en) | 1941-05-24 |
Family
ID=9344390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR865490D Expired FR865490A (en) | 1940-05-08 | 1940-05-08 | Light reflector with adjustable aperture |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR865490A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4893225A (en) * | 1986-12-08 | 1990-01-09 | Altman Stage Lighting Co., Inc. | Color changer |
WO2015144510A1 (en) * | 2014-03-28 | 2015-10-01 | Occhio GmbH | Luminaire head for a modular luminare system |
-
1940
- 1940-05-08 FR FR865490D patent/FR865490A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4893225A (en) * | 1986-12-08 | 1990-01-09 | Altman Stage Lighting Co., Inc. | Color changer |
WO2015144510A1 (en) * | 2014-03-28 | 2015-10-01 | Occhio GmbH | Luminaire head for a modular luminare system |
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