FR888251A - Space discharge devices - Google Patents
Space discharge devicesInfo
- Publication number
- FR888251A FR888251A FR888251DA FR888251A FR 888251 A FR888251 A FR 888251A FR 888251D A FR888251D A FR 888251DA FR 888251 A FR888251 A FR 888251A
- Authority
- FR
- France
- Prior art keywords
- discharge devices
- space discharge
- space
- devices
- discharge
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US375892A US2303174A (en) | 1941-01-25 | 1941-01-25 | Photoelectric tube |
Publications (1)
Publication Number | Publication Date |
---|---|
FR888251A true FR888251A (en) | 1943-12-08 |
Family
ID=23482797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR888251D Expired FR888251A (en) | 1941-01-25 | 1942-02-16 | Space discharge devices |
Country Status (2)
Country | Link |
---|---|
US (1) | US2303174A (en) |
FR (1) | FR888251A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2830215A (en) * | 1955-10-18 | 1958-04-08 | Rca Corp | Getter structure for electron tube |
-
1941
- 1941-01-25 US US375892A patent/US2303174A/en not_active Expired - Lifetime
-
1942
- 1942-02-16 FR FR888251D patent/FR888251A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2303174A (en) | 1942-11-24 |
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