FR491452A - Improvements to reflector mounts - Google Patents
Improvements to reflector mountsInfo
- Publication number
- FR491452A FR491452A FR491452DA FR491452A FR 491452 A FR491452 A FR 491452A FR 491452D A FR491452D A FR 491452DA FR 491452 A FR491452 A FR 491452A
- Authority
- FR
- France
- Prior art keywords
- reflector mounts
- mounts
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB491452X | 1917-11-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR491452A true FR491452A (en) | 1919-06-04 |
Family
ID=1527455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR491452D Expired FR491452A (en) | 1917-11-27 | 1918-08-24 | Improvements to reflector mounts |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR491452A (en) |
-
1918
- 1918-08-24 FR FR491452D patent/FR491452A/en not_active Expired
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