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 (de) | 1935-01-08 | 1935-01-08 | Sekundaerelektronenvervielfacher |
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 (xx) |
Family
ID=48631020
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL56644D NL56644C (xx) | 1935-01-08 | ||
NL49747D NL49747C (xx) | 1935-01-08 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL49747D NL49747C (xx) | 1935-01-08 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2243178A (xx) |
BE (1) | BE413168A (xx) |
DE (1) | DE764272C (xx) |
FR (1) | FR800440A (xx) |
GB (1) | GB471800A (xx) |
NL (2) | NL49747C (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE763102C (de) * | 1937-02-11 | 1953-01-26 | Fernseh Gmbh | Elektrodenanordnung fuer mehrstufige Sekundaerelektronenvervielfacher |
DE751034C (de) * | 1937-02-16 | 1954-11-29 | Opta Radio A G | Sekundaerelektronenvervielfacher mit Fotokathode und netzfoermigen Prallelektroden |
DE765082C (de) * | 1937-09-27 | 1953-12-14 | Aeg | Photoelektrische Zelle, bei der Photo- und Sekundaeremissionskathode als Vollflaechenelektroden einander gegenueber angeordnet sind |
DE745730C (de) * | 1938-03-04 | 1944-05-22 | Fernseh Gmbh | Reihenvervielfacher fuer hohe Ausgangsstroeme |
DE742002C (de) * | 1939-03-30 | 1943-11-20 | Bosch Gmbh Robert | Roehrensender |
FR2445018A1 (fr) * | 1978-12-22 | 1980-07-18 | Anvar | Tube multiplicateur d'electrons a champ magnetique axial |
FR2955682B1 (fr) | 2010-01-28 | 2012-03-16 | Paycool Int Ltd | Procede de fourniture d'un code dynamique par l'intermediaire d'un telephone |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE437793C (de) * | 1926-11-27 | Philips Nv | Entladungsroehre zur Erzeugung sekundaerer Elektronen | |
FR552185A (xx) * | 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 (fr) * | 1923-09-15 | 1924-12-18 | Tube électronique à plaque multiple | |
US1748386A (en) * | 1925-10-21 | 1930-02-25 | Rca Corp | Electric discharge tube |
DE587113C (de) * | 1925-10-22 | 1933-10-30 | Siegmund Loewe Dr | Kathode fuer Entladungsroehren |
US1903569A (en) * | 1926-09-15 | 1933-04-11 | Kenneth W Jarvis | Electron tube |
CH158401A (de) * | 1930-09-25 | 1932-11-15 | Rca Corp | Verfahren und Vorrichtung zum Empfangen von telegraphisch übermittelten Bildern mittelst einer Kathodenstrahlröhre. |
US1955899A (en) * | 1930-09-25 | 1934-04-24 | Rca Corp | Method and system for communication by television |
DE569873C (de) * | 1931-01-30 | 1933-02-09 | Zeiss Carl Fa | Einrichtung zur Beleuchtung von Zifferblaettern an Uhren |
-
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/de not_active Expired
-
1936
- 1936-01-08 GB GB633/36A patent/GB471800A/en not_active Expired
- 1936-01-08 FR FR800440D patent/FR800440A/fr not_active Expired
-
1938
- 1938-06-04 US US211730A patent/US2243178A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE764272C (de) | 1954-09-27 |
NL49747C (xx) | |
GB471800A (en) | 1937-09-08 |
BE413168A (xx) | |
US2243178A (en) | 1941-05-27 |
FR800440A (fr) | 1936-07-04 |