NL56644C - - Google Patents
Info
- Publication number
- NL56644C NL56644C NL56644DA NL56644C NL 56644 C NL56644 C NL 56644C NL 56644D A NL56644D A NL 56644DA NL 56644 C NL56644 C NL 56644C
- Authority
- NL
- Netherlands
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
- H01J43/22—Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEW95703D DE764272C (en) | 1935-01-08 | 1935-01-08 | Secondary electron multiplier |
| US5758436A | 1936-01-04 | 1936-01-04 | |
| US211730A US2243178A (en) | 1935-01-08 | 1938-06-04 | Electron multiplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56644C true NL56644C (en) |
Family
ID=48631020
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56644D NL56644C (en) | 1935-01-08 | ||
| NL49747D NL49747C (en) | 1935-01-08 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49747D NL49747C (en) | 1935-01-08 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2243178A (en) |
| BE (1) | BE413168A (en) |
| DE (1) | DE764272C (en) |
| FR (1) | FR800440A (en) |
| GB (1) | GB471800A (en) |
| NL (2) | NL49747C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE763102C (en) * | 1937-02-11 | 1953-01-26 | Fernseh Gmbh | Electrode arrangement for multi-stage secondary electron multipliers |
| DE751034C (en) * | 1937-02-16 | 1954-11-29 | Opta Radio A G | Secondary electron multiplier with photocathode and net-shaped impact electrodes |
| DE765082C (en) * | 1937-09-27 | 1953-12-14 | Aeg | Photoelectric cell in which the photo and secondary emission cathodes are arranged opposite one another as full-surface electrodes |
| DE745730C (en) * | 1938-03-04 | 1944-05-22 | Fernseh Gmbh | Series multiplier for high output currents |
| DE742002C (en) * | 1939-03-30 | 1943-11-20 | Bosch Gmbh Robert | Tube transmitter |
| FR2445018A1 (en) * | 1978-12-22 | 1980-07-18 | Anvar | ELECTRON MULTIPLIER TUBE WITH AXIAL MAGNETIC FIELD |
| FR2955682B1 (en) | 2010-01-28 | 2012-03-16 | Paycool Int Ltd | METHOD FOR PROVIDING A DYNAMIC CODE THROUGH A TELEPHONE |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE437793C (en) * | 1926-11-27 | Philips Nv | Discharge tubes for generating secondary electrons | |
| FR552185A (en) * | 1923-04-25 | |||
| US1210678A (en) * | 1915-05-19 | 1917-01-02 | Western Electric Co | Thermionic amplifier. |
| US1419547A (en) * | 1918-11-12 | 1922-06-13 | Cornelius D Ehret | Electronic apparatus |
| US1450265A (en) * | 1919-04-18 | 1923-04-03 | Westinghouse Electric & Mfg Co | Hot-cathode tube |
| US1721395A (en) * | 1921-05-24 | 1929-07-16 | Gen Electric | Electron-discharge apparatus |
| GB180655A (en) * | 1921-05-24 | 1923-07-19 | British Thomson Houston Co Ltd | Improvements in and relating to electron discharge devices |
| GB191038A (en) * | 1921-12-28 | 1924-01-17 | British Thomson Houston Co Ltd | Improvements in and relating to electric current amplifiers |
| US1683134A (en) * | 1921-12-28 | 1928-09-04 | Gen Electric | Amplifier |
| FR582428A (en) * | 1923-09-15 | 1924-12-18 | Multiple plate electron tube | |
| US1748386A (en) * | 1925-10-21 | 1930-02-25 | Rca Corp | Electric discharge tube |
| DE587113C (en) * | 1925-10-22 | 1933-10-30 | Siegmund Loewe Dr | Cathode for discharge tubes |
| US1903569A (en) * | 1926-09-15 | 1933-04-11 | Kenneth W Jarvis | Electron tube |
| US1955899A (en) * | 1930-09-25 | 1934-04-24 | Rca Corp | Method and system for communication by television |
| CH158401A (en) * | 1930-09-25 | 1932-11-15 | Rca Corp | Method and device for receiving telegraphically transmitted images by means of a cathode ray tube. |
| DE569873C (en) * | 1931-01-30 | 1933-02-09 | Zeiss Carl Fa | Device for illuminating dials on clocks |
-
0
- NL NL56644D patent/NL56644C/xx active
- NL NL49747D patent/NL49747C/xx active
- BE BE413168D patent/BE413168A/xx unknown
-
1935
- 1935-01-08 DE DEW95703D patent/DE764272C/en not_active Expired
-
1936
- 1936-01-08 FR FR800440D patent/FR800440A/en not_active Expired
- 1936-01-08 GB GB633/36A patent/GB471800A/en not_active Expired
-
1938
- 1938-06-04 US US211730A patent/US2243178A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2243178A (en) | 1941-05-27 |
| NL49747C (en) | |
| DE764272C (en) | 1954-09-27 |
| BE413168A (en) | |
| FR800440A (en) | 1936-07-04 |
| GB471800A (en) | 1937-09-08 |