FR1280512A - Projecteur - Google Patents
ProjecteurInfo
- Publication number
- FR1280512A FR1280512A FR853587A FR853587A FR1280512A FR 1280512 A FR1280512 A FR 1280512A FR 853587 A FR853587 A FR 853587A FR 853587 A FR853587 A FR 853587A FR 1280512 A FR1280512 A FR 1280512A
- Authority
- FR
- France
- Prior art keywords
- 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
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
- H01J65/08—Lamps in which a screen or coating is excited to luminesce by radioactive material located inside the vessel
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR853587A FR1280512A (fr) | 1961-02-22 | 1961-02-22 | Projecteur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR853587A FR1280512A (fr) | 1961-02-22 | 1961-02-22 | Projecteur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1280512A true FR1280512A (fr) | 1961-12-29 |
Family
ID=8749455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR853587A Expired FR1280512A (fr) | 1961-02-22 | 1961-02-22 | Projecteur |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1280512A (fr) |
-
1961
- 1961-02-22 FR FR853587A patent/FR1280512A/fr not_active Expired
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