FR821819A - Advanced projector - Google Patents
Advanced projectorInfo
- Publication number
- FR821819A FR821819A FR821819DA FR821819A FR 821819 A FR821819 A FR 821819A FR 821819D A FR821819D A FR 821819DA FR 821819 A FR821819 A FR 821819A
- Authority
- FR
- France
- Prior art keywords
- projector
- advanced
- advanced projector
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR821819T | 1936-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR821819A true FR821819A (en) | 1937-12-14 |
Family
ID=9278752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR821819D Expired FR821819A (en) | 1936-08-19 | 1936-08-19 | Advanced projector |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR821819A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0192882A2 (en) * | 1985-02-28 | 1986-09-03 | VARI-LITE, INC.(a Delaware corporation) | Light source having automatically variable hue, saturation and beam divergence |
-
1936
- 1936-08-19 FR FR821819D patent/FR821819A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0192882A2 (en) * | 1985-02-28 | 1986-09-03 | VARI-LITE, INC.(a Delaware corporation) | Light source having automatically variable hue, saturation and beam divergence |
| EP0192882A3 (en) * | 1985-02-28 | 1988-08-03 | Vari-Lite, Inc. | Light source having automatically variable hue, saturation and beam divergence |
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