FR69711E - Electron gun for cathode ray tubes - Google Patents

Electron gun for cathode ray tubes

Info

Publication number
FR69711E
FR69711E FR69711DA FR69711E FR 69711 E FR69711 E FR 69711E FR 69711D A FR69711D A FR 69711DA FR 69711 E FR69711 E FR 69711E
Authority
FR
France
Prior art keywords
cathode ray
electron gun
ray tubes
tubes
gun
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)
Inventor
Wolfgang Berthold
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR69711E publication Critical patent/FR69711E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
    • H01J29/845—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection by means of magnetic systems
FR69711D 1953-05-30 1956-04-27 Electron gun for cathode ray tubes Expired FR69711E (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE774300X 1953-05-30
DE2921212X 1955-04-30
DEL22089A DE1027804B (en) 1953-05-30 1955-05-26 Electron gun with ion trap

Publications (1)

Publication Number Publication Date
FR69711E true FR69711E (en) 1958-11-19

Family

ID=32397399

Family Applications (3)

Application Number Title Priority Date Filing Date
FR1101439D Expired FR1101439A (en) 1953-05-30 1954-05-28 Electron gun for cathode ray tubes
FR69711D Expired FR69711E (en) 1953-05-30 1956-04-27 Electron gun for cathode ray tubes
FR69827D Expired FR69827E (en) 1953-05-30 1956-05-24 Electron gun for cathode ray tubes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1101439D Expired FR1101439A (en) 1953-05-30 1954-05-28 Electron gun for cathode ray tubes

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR69827D Expired FR69827E (en) 1953-05-30 1956-05-24 Electron gun for cathode ray tubes

Country Status (6)

Country Link
US (2) US2921212A (en)
BE (1) BE548096A (en)
DE (2) DE1027804B (en)
FR (3) FR1101439A (en)
GB (2) GB774300A (en)
NL (1) NL207373A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915662A (en) * 1956-08-24 1959-12-01 Nat Video Corp Centering arrangement and method for beams of cathode ray tubes
US4075533A (en) * 1976-09-07 1978-02-21 Tektronix, Inc. Electron beam forming structure utilizing an ion trap
US4521900A (en) * 1982-10-14 1985-06-04 Imatron Associates Electron beam control assembly and method for a scanning electron beam computed tomography scanner
US4625150A (en) * 1984-04-16 1986-11-25 Imatron, Inc. Electron beam control assembly for a scanning electron beam computed tomography scanner
FR2613897B1 (en) * 1987-04-10 1990-11-09 Realisations Nucleaires Et DEVICE FOR SUPPRESSING MICRO PROJECTIONS IN A VACUUM ARC ION SOURCE
US8334506B2 (en) * 2007-12-10 2012-12-18 1St Detect Corporation End cap voltage control of ion traps
US7973277B2 (en) * 2008-05-27 2011-07-05 1St Detect Corporation Driving a mass spectrometer ion trap or mass filter

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733365A (en) * 1956-01-31 hoagland
DE689388C (en) * 1934-07-30 1940-03-19 Lorenz Akt Ges C Arrangement for deflecting the cathode ray in Braun tubes
GB480948A (en) * 1936-07-25 1938-02-25 Frederick Hermes Nicoll Improvements in or relating to cathode ray tubes
BE424327A (en) * 1936-10-30
GB539422A (en) * 1940-02-06 1941-09-10 Standard Telephones Cables Ltd Improvements in or relating to arrangments for producing concentrated beams of electrons, particularly for electron discharge apparatus of the velocity modulation type
AT164772B (en) * 1945-09-15 1949-12-10 Philips Nv Electric discharge tube with a bundled stream of electrons
US2555850A (en) * 1948-01-28 1951-06-05 Nicholas D Glyptis Ion trap
GB690332A (en) * 1949-07-13 1953-04-15 Mullard Radio Valve Co Ltd Improvements in and relating to cathode-ray tubes comprising ion trap arrangements
BE502947A (en) * 1950-05-02
US2642546A (en) * 1950-10-10 1953-06-16 Louis J Patla Ion trap
DE869668C (en) * 1951-02-24 1953-03-05 Loewe Opta Ag Cathode ray tube with ion trap
US2719243A (en) * 1951-07-03 1955-09-27 Du Mont Allen B Lab Inc Electrostatic electron lens
US2681421A (en) * 1952-03-04 1954-06-15 Gen Electric Magnetic focusing structure for electron beams
BE527357A (en) * 1953-03-18

Also Published As

Publication number Publication date
FR69827E (en) 1958-12-30
US2921212A (en) 1960-01-12
NL207373A (en)
GB806293A (en) 1958-12-23
GB774300A (en) 1957-05-08
DE1027804B (en) 1958-04-10
DE1074163B (en) 1960-01-28
BE548096A (en)
US2859364A (en) 1958-11-04
FR1101439A (en) 1955-10-06

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