FR682254A - Cellule photoélectrique - Google Patents
Cellule photoélectriqueInfo
- Publication number
- FR682254A FR682254A FR682254DA FR682254A FR 682254 A FR682254 A FR 682254A FR 682254D A FR682254D A FR 682254DA FR 682254 A FR682254 A FR 682254A
- Authority
- FR
- France
- Prior art keywords
- photoelectric cell
- photoelectric
- cell
- 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
- H01J40/04—Electrodes
- H01J40/06—Photo-emissive cathodes
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL682254X | 1928-09-25 | ||
NL2066878X | 1930-02-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR682254A true FR682254A (fr) | 1930-05-26 |
Family
ID=26644386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR682254D Expired FR682254A (fr) | 1928-09-25 | 1929-09-24 | Cellule photoélectrique |
Country Status (2)
Country | Link |
---|---|
US (1) | US2066878A (fr) |
FR (1) | FR682254A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2659682A (en) * | 1948-08-05 | 1953-11-17 | Continental Electric Company | Apparatus and method for making a photoconductive element |
-
1929
- 1929-09-24 FR FR682254D patent/FR682254A/fr not_active Expired
-
1931
- 1931-05-22 US US539174A patent/US2066878A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2066878A (en) | 1937-01-05 |
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