BE457877A - - Google Patents
Info
- Publication number
- BE457877A BE457877A BE457877DA BE457877A BE 457877 A BE457877 A BE 457877A BE 457877D A BE457877D A BE 457877DA BE 457877 A BE457877 A BE 457877A
- Authority
- BE
- Belgium
- Prior art keywords
- reflector
- lamp
- assembly according
- collar
- around
- Prior art date
Links
- 229910000737 Duralumin Inorganic materials 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005494 tarnishing Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
-
- 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
- G03B21/2046—Positional adjustment of light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stroboscope Apparatuses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE457877A true BE457877A (enExample) |
Family
ID=111268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE457877D BE457877A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE457877A (enExample) |
-
0
- BE BE457877D patent/BE457877A/fr unknown
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