FR49655E - Electron Discharge Device - Google Patents

Electron Discharge Device

Info

Publication number
FR49655E
FR49655E FR49655DA FR49655E FR 49655 E FR49655 E FR 49655E FR 49655D A FR49655D A FR 49655DA FR 49655 E FR49655 E FR 49655E
Authority
FR
France
Prior art keywords
discharge device
electron discharge
electron
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 by Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR49655E publication Critical patent/FR49655E/en
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
FR49655D 1936-11-20 1938-07-26 Electron Discharge Device Expired FR49655E (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US111808A US2160796A (en) 1936-11-20 1936-11-20 Electron discharge apparatus
US111796A US2134718A (en) 1936-11-20 1936-11-20 Electron discharge apparatus
US111809A US2160797A (en) 1936-11-20 1936-11-20 Electron discharge apparatus
US111810A US2160798A (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
FR49655E true FR49655E (en) 1939-05-30

Family

ID=22644877

Family Applications (3)

Application Number Title Priority Date Filing Date
FR824648D Expired FR824648A (en) 1936-11-20 1937-07-22 Electron Discharge Device
FR49655D Expired FR49655E (en) 1936-11-20 1938-07-26 Electron Discharge Device
FR49980D Expired FR49980E (en) 1936-11-20 1938-11-14

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR824648D Expired FR824648A (en) 1936-11-20 1937-07-22 Electron Discharge Device

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR49980D Expired FR49980E (en) 1936-11-20 1938-11-14

Country Status (7)

Country Link
US (8) US2160798A (en)
BE (1) BE431298A (en)
CH (2) CH208067A (en)
DE (1) DE886343C (en)
FR (3) FR824648A (en)
GB (6) GB500447A (en)
NL (1) NL49799C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013235A1 (en) * 1978-12-22 1980-07-09 ANVAR Agence Nationale de Valorisation de la Recherche Electron multiplying apparatus with axial magnetic field

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE865161C (en) * 1940-01-20 1953-01-29 Sueddeutsche Telefon App Arrangement for modulating one or more main carrier frequencies with two or more modulated auxiliary carrier frequencies
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
GB777457A (en) * 1954-02-25 1957-06-26 Bendix Aviat Corp Electron multiplier
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 (en) * 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
NL228956A (en) * 1957-07-06
CH358872A (en) * 1958-07-11 1961-12-15 Zeiss Jena Veb Carl Secondary electron multiplier
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 (en) * 1961-11-03 1963-01-04 Philips Brasil Manufacturing process of elements in the form of louvers, applicable to the production of dynodes of photomultipliers
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
DE2904696A1 (en) * 1979-02-08 1980-08-21 Proxitronic Funk Gmbh & Co Kg PHOTOELECTRONIC MULTIPLIER
US4668890A (en) * 1981-08-25 1987-05-26 Commonwealth Scientific And Industrial Research Organization Dynode structure and array for an electron multiplier
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
US4446401A (en) * 1981-11-20 1984-05-01 Rca Corporation Photomultiplier tube having improved count-rate stability
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
EP0013235A1 (en) * 1978-12-22 1980-07-09 ANVAR Agence Nationale de Valorisation de la Recherche Electron multiplying apparatus with axial magnetic field

Also Published As

Publication number Publication date
GB500170A (en) 1939-02-03
FR49980E (en) 1939-09-29
US2160798A (en) 1939-05-30
GB502528A (en) 1939-03-20
US2160797A (en) 1939-05-30
DE886343C (en) 1953-08-13
NL49799C (en) 1941-01-15
US2160796A (en) 1939-05-30
GB500448A (en) 1939-02-09
BE431298A (en) 1939-01-31
GB500447A (en) 1939-02-09
GB521077A (en) 1940-05-10
GB505663A (en) 1939-05-16
US2245605A (en) 1941-06-17
US2245624A (en) 1941-06-17
CH208067A (en) 1939-12-31
FR824648A (en) 1938-02-14
US2160799A (en) 1939-05-30
US2134718A (en) 1938-11-01
US2236041A (en) 1941-03-25
CH214485A (en) 1941-04-30

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