FR773398A - Monture universelle pour cellules photoélectriques - Google Patents
Monture universelle pour cellules photoélectriquesInfo
- Publication number
- FR773398A FR773398A FR773398DA FR773398A FR 773398 A FR773398 A FR 773398A FR 773398D A FR773398D A FR 773398DA FR 773398 A FR773398 A FR 773398A
- Authority
- FR
- France
- Prior art keywords
- photocells
- universal mount
- mount
- universal
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
- H01J40/02—Details
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR773398T | 1934-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR773398A true FR773398A (fr) | 1934-11-16 |
Family
ID=9197501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR773398D Expired FR773398A (fr) | 1934-05-17 | 1934-05-17 | Monture universelle pour cellules photoélectriques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR773398A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2461254A (en) * | 1947-10-18 | 1949-02-08 | Gen Electric | Radiation filter |
US2582964A (en) * | 1949-03-08 | 1952-01-22 | Technicolor Motion Picture | Photoelectric sound reproduction |
US2631247A (en) * | 1949-09-17 | 1953-03-10 | Photoswitch Inc | Photocell mounting device |
-
1934
- 1934-05-17 FR FR773398D patent/FR773398A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2461254A (en) * | 1947-10-18 | 1949-02-08 | Gen Electric | Radiation filter |
US2582964A (en) * | 1949-03-08 | 1952-01-22 | Technicolor Motion Picture | Photoelectric sound reproduction |
US2631247A (en) * | 1949-09-17 | 1953-03-10 | Photoswitch Inc | Photocell mounting device |
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