BE442708A - - Google Patents

Info

Publication number
BE442708A
BE442708A BE442708DA BE442708A BE 442708 A BE442708 A BE 442708A BE 442708D A BE442708D A BE 442708DA BE 442708 A BE442708 A BE 442708A
Authority
BE
Belgium
Application number
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.)
Publication of BE442708A publication Critical patent/BE442708A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
    • H01J31/06—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused with more than two output electrodes, e.g. for multiple switching or counting
BE442708D 1939-08-21 BE442708A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2570208X 1939-08-21

Publications (1)

Publication Number Publication Date
BE442708A true BE442708A (sv)

Family

ID=9686617

Family Applications (1)

Application Number Title Priority Date Filing Date
BE442708D BE442708A (sv) 1939-08-21

Country Status (2)

Country Link
US (1) US2570208A (sv)
BE (1) BE442708A (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779893A (en) * 1950-07-13 1957-01-29 Hartford Nat Bank & Trust Co Device comprising an electric discharge tube having a concentrated electron beam
US2704336A (en) * 1951-01-03 1955-03-15 Kazan Benjamin Pulse counting tube
US2928971A (en) * 1957-12-20 1960-03-15 Gen Electric Infrared camera tube
US2947896A (en) * 1959-02-09 1960-08-02 Gen Electric Electrostatic deflection and focusing system
NL277160A (sv) * 1961-04-12

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1979392A (en) * 1931-05-04 1934-11-06 Siemens Ag Cathode ray tube
NL39573C (sv) * 1932-10-21
US2144085A (en) * 1935-11-07 1939-01-17 Telefunken Gmbh Electron discharge tube
US2107520A (en) * 1936-02-26 1938-02-08 Rca Corp Electron discharge device
GB475106A (en) * 1936-05-12 1937-11-12 Marconi Wireless Telegraph Co Improvements in or relating to electron discharge devices
GB498167A (en) * 1936-09-02 1939-01-04 Philips Nv Improvements in or relating to electric discharge tubes
FR838980A (fr) * 1937-06-10 1939-03-21 Telefunken Gmbh Perfectionnements aux sources d'électrons commandées, à surface émissive sensiblement ponctuelle
US2159765A (en) * 1937-06-14 1939-05-23 Philips Nv Electron discharge device
US2252580A (en) * 1938-04-08 1941-08-12 Telefunken Gmbh Electron discharge device
US2254096A (en) * 1938-10-01 1941-08-26 Rca Corp Electron beam discharge device
US2380225A (en) * 1940-06-26 1945-07-10 Cossor Ltd A C Electron discharge device

Also Published As

Publication number Publication date
US2570208A (en) 1951-10-09

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