FR812478A - Improvements to electric shock devices - Google Patents
Improvements to electric shock devicesInfo
- Publication number
- FR812478A FR812478A FR812478DA FR812478A FR 812478 A FR812478 A FR 812478A FR 812478D A FR812478D A FR 812478DA FR 812478 A FR812478 A FR 812478A
- Authority
- FR
- France
- Prior art keywords
- electric shock
- shock devices
- devices
- electric
- shock
- 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
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/06—Electrode arrangements
- H01J43/18—Electrode arrangements using essentially more than one dynode
- H01J43/20—Dynodes consisting of sheet material, e.g. plane, bent
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48982A US2078304A (en) | 1935-10-30 | 1935-10-30 | Electric discharge device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR812478A true FR812478A (en) | 1937-05-11 |
Family
ID=21957468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR812478D Expired FR812478A (en) | 1935-10-30 | 1936-10-23 | Improvements to electric shock devices |
Country Status (4)
Country | Link |
---|---|
US (1) | US2078304A (en) |
DE (1) | DE732007C (en) |
FR (1) | FR812478A (en) |
GB (1) | GB484099A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE762710C (en) * | 1939-03-18 | 1954-01-11 | Telefunken Gmbh | Electron multiplier with impact electrodes designed as fine-meshed networks and activated by vapor deposition of an activating substance |
DE760221C (en) * | 1939-10-20 | 1954-02-15 | Siemens & Halske A G | Arrangement for activating the electrodes of secondary electron multipliers |
US2457787A (en) * | 1944-06-02 | 1948-12-28 | Farnsworth Res Corp | Potential divider |
DE973616C (en) * | 1948-10-02 | 1960-04-14 | Siemens Ag | Corpuscular beam apparatus, in particular an electron microscope |
-
1935
- 1935-10-30 US US48982A patent/US2078304A/en not_active Expired - Lifetime
-
1936
- 1936-10-23 FR FR812478D patent/FR812478A/en not_active Expired
- 1936-10-30 GB GB29527/36A patent/GB484099A/en not_active Expired
- 1936-10-31 DE DER101278D patent/DE732007C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2078304A (en) | 1937-04-27 |
DE732007C (en) | 1943-02-19 |
GB484099A (en) | 1938-05-02 |
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