FR49980E - - Google Patents

Info

Publication number
FR49980E
FR49980E FR49980DA FR49980E FR 49980 E FR49980 E FR 49980E FR 49980D A FR49980D A FR 49980DA FR 49980 E FR49980 E FR 49980E
Authority
FR
France
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
Application number
Other languages
French (fr)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR49980E publication Critical patent/FR49980E/fr
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • 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
FR49980D 1936-11-20 1938-11-14 Expired FR49980E (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US111809A US2160797A (en) 1936-11-20 1936-11-20 Electron discharge apparatus
US111810A US2160798A (en) 1936-11-20 1936-11-20 Electron discharge apparatus
US111796A US2134718A (en) 1936-11-20 1936-11-20 Electron discharge apparatus
US111808A US2160796A (en) 1936-11-20 1936-11-20 Electron discharge apparatus
US160997A US2236041A (en) 1936-11-20 1937-08-26 Electron discharge device
US161747A US2160799A (en) 1936-11-20 1937-08-31 Electron discharge device
US176566A US2245605A (en) 1936-11-20 1937-11-26 Electron multiplier
US205931A US2245624A (en) 1936-11-20 1938-05-04 Electron discharge apparatus

Publications (1)

Publication Number Publication Date
FR49980E true FR49980E (de) 1939-09-29

Family

ID=22644877

Family Applications (3)

Application Number Title Priority Date Filing Date
FR824648D Expired FR824648A (fr) 1936-11-20 1937-07-22 Appareil de décharge d'électrons
FR49655D Expired FR49655E (fr) 1936-11-20 1938-07-26 Appareil de décharge d'électrons
FR49980D Expired FR49980E (de) 1936-11-20 1938-11-14

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR824648D Expired FR824648A (fr) 1936-11-20 1937-07-22 Appareil de décharge d'électrons
FR49655D Expired FR49655E (fr) 1936-11-20 1938-07-26 Appareil de décharge d'électrons

Country Status (7)

Country Link
US (8) US2160798A (de)
BE (1) BE431298A (de)
CH (2) CH208067A (de)
DE (1) DE886343C (de)
FR (3) FR824648A (de)
GB (6) GB500448A (de)
NL (1) NL49799C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448787A1 (fr) * 1979-02-08 1980-09-05 Proxitronic Funk Gmbh Co Kg Photomultiplicateur a dynodes hemispheriques

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE865161C (de) * 1940-01-20 1953-01-29 Sueddeutsche Telefon App Anordnung zur Modulation einer oder mehrerer Haupttraegerfrequenzen mit zwei oder mehreren modulierten Hilfstraegerfrequenzen
US2433724A (en) * 1944-05-29 1947-12-30 Farnsworth Res Corp Phototube multiplier
US2451400A (en) * 1944-09-09 1948-10-12 Oran T Mcilvaine Photoelectric tube
US2585044A (en) * 1945-02-05 1952-02-12 Farnsworth Res Corp Gain control apparatus
US2582141A (en) * 1946-09-16 1952-01-08 Bendix Aviat Corp Sonic tube
US2627044A (en) * 1948-06-23 1953-01-27 Continental Electric Company Cathode for photocells
US2760097A (en) * 1950-12-22 1956-08-21 Westinghouse Electric Corp Cathode structures
FR1097688A (fr) * 1954-02-25 1955-07-08 Bendix Aviat Corp Multiplicateur d'électrons perfectionné
US2953703A (en) * 1954-06-14 1960-09-20 Westinghouse Electric Corp Photomultiplier design having high response to x-rays
US2903595A (en) * 1954-12-24 1959-09-08 Rca Corp Electron multiplier
US2826704A (en) * 1955-01-03 1958-03-11 Bendix Aviat Corp Magnetic electron multiplier gate
NL104002C (de) * 1955-06-11
US2932768A (en) * 1955-10-21 1960-04-12 Bendix Aviat Corp Magnetic electron multiplier
US2909689A (en) * 1955-09-12 1959-10-20 Gen Electric Support strap for electron gun structures
US2897391A (en) * 1957-04-02 1959-07-28 George B Erskine Studded electrode and method of manufacture
NL120346C (de) * 1957-07-06
CH358872A (de) * 1958-07-11 1961-12-15 Zeiss Jena Veb Carl Sekundärelektronen-Vervielfacher
GB892454A (en) * 1959-05-21 1962-03-28 Bush And Rank Cintel Ltd Improvements in or relating to electron multipliers
US2950408A (en) * 1959-10-30 1960-08-23 Hughes Aircraft Co Multi-gap collimation lens for use in direct-view storage tube
US3191086A (en) * 1960-11-23 1965-06-22 Radames K H Gebel Secondary emission multiplier intensifier image orthicon
FR1313827A (fr) * 1961-11-03 1963-01-04 Philips Brasil Procédé de fabrication d'éléments en forme de jalousies, applicable à la réalisation de dynodes de photomultiplicateurs
US3390272A (en) * 1965-03-31 1968-06-25 Sylvania Electric Prod Photomultiplier
US3519870A (en) * 1967-05-18 1970-07-07 Xerox Corp Spiraled strip material having parallel grooves forming plurality of electron multiplier channels
US3506868A (en) * 1967-05-22 1970-04-14 Bendix Corp Positive-type electron multiplier channels connected in series
US3538328A (en) * 1968-03-04 1970-11-03 Varian Associates Scintillation-type ion detector employing a secondary emitter target surrounding the ion path
GB1470162A (en) * 1973-02-27 1977-04-14 Emi Ltd Electron multiplying arrangements
US3875441A (en) * 1973-11-29 1975-04-01 Rca Corp Electron discharge device including an electron emissive electrode having an undulating cross-sectional contour
US3944867A (en) * 1974-03-15 1976-03-16 Zenith Radio Corporation Shadow mask having ribs bounding rectangular apertures
US4184098A (en) * 1976-04-22 1980-01-15 S.R.C. Laboratories, Inc. Cone type dynode for photomultiplier tube
US4143291A (en) * 1976-04-22 1979-03-06 S.R.C. Laboratories, Inc. Dynode for a photomultiplier tube
FR2445018A1 (fr) * 1978-12-22 1980-07-18 Anvar Tube multiplicateur d'electrons a champ magnetique axial
AU561469B2 (en) * 1981-08-25 1987-05-07 Commonwealth Scientific And Industrial Research Organisation Electron multiplier
US4446401A (en) * 1981-11-20 1984-05-01 Rca Corporation Photomultiplier tube having improved count-rate stability
US4415832A (en) * 1981-11-20 1983-11-15 Rca Corporation Electron multiplier having an improved planar utlimate dynode and planar anode structure for a photomultiplier tube
US5656807A (en) * 1995-09-22 1997-08-12 Packard; Lyle E. 360 degrees surround photon detector/electron multiplier with cylindrical photocathode defining an internal detection chamber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448787A1 (fr) * 1979-02-08 1980-09-05 Proxitronic Funk Gmbh Co Kg Photomultiplicateur a dynodes hemispheriques

Also Published As

Publication number Publication date
US2160796A (en) 1939-05-30
US2245624A (en) 1941-06-17
US2160798A (en) 1939-05-30
GB505663A (en) 1939-05-16
CH214485A (de) 1941-04-30
GB500448A (en) 1939-02-09
GB502528A (en) 1939-03-20
GB500447A (en) 1939-02-09
NL49799C (de) 1941-01-15
US2236041A (en) 1941-03-25
US2245605A (en) 1941-06-17
US2160797A (en) 1939-05-30
FR824648A (fr) 1938-02-14
CH208067A (de) 1939-12-31
GB500170A (en) 1939-02-03
US2160799A (en) 1939-05-30
GB521077A (en) 1940-05-10
BE431298A (de) 1939-01-31
DE886343C (de) 1953-08-13
US2134718A (en) 1938-11-01
FR49655E (fr) 1939-05-30

Similar Documents

Publication Publication Date Title
FR49980E (de)
BE415900A (de)
BE414571A (de)
BE415462A (de)
BE416312A (de)
BE414636A (de)
BE420719A (de)
NL51142C (de)
NL49749C (de)
BE416271A (de)
BE416111A (de)
NL49345C (de)
BE416030A (de)
BE415974A (de)
NL48148C (de)
BE415752A (de)
BE415731A (de)
NL46673C (de)
BE415619A (de)
BE415615A (de)
BE415571A (de)
BE415564A (de)
NL45774C (de)
BE415557A (de)
BE415512A (de)