FR1504694A - Source of electrons for the electron gun of a cathode ray tube - Google Patents

Source of electrons for the electron gun of a cathode ray tube

Info

Publication number
FR1504694A
FR1504694A FR81240A FR81240A FR1504694A FR 1504694 A FR1504694 A FR 1504694A FR 81240 A FR81240 A FR 81240A FR 81240 A FR81240 A FR 81240A FR 1504694 A FR1504694 A FR 1504694A
Authority
FR
France
Prior art keywords
electrons
source
ray tube
cathode ray
electron 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
FR81240A
Other languages
French (fr)
Inventor
Friedrich H R Almer
Gerardus S M Schrijnemakers
A Kuiper
Alphonsus P Van Boog
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1504694A publication Critical patent/FR1504694A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02Electron guns
    • H01J3/027Construction of the gun or parts thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/485Construction of the gun or of parts thereof
FR81240A 1965-10-22 1966-10-22 Source of electrons for the electron gun of a cathode ray tube Expired FR1504694A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6513665A NL6513665A (en) 1965-10-22 1965-10-22

Publications (1)

Publication Number Publication Date
FR1504694A true FR1504694A (en) 1967-12-08

Family

ID=19794427

Family Applications (1)

Application Number Title Priority Date Filing Date
FR81240A Expired FR1504694A (en) 1965-10-22 1966-10-22 Source of electrons for the electron gun of a cathode ray tube

Country Status (9)

Country Link
US (1) US3354340A (en)
AT (1) AT261691B (en)
BE (1) BE688801A (en)
CH (1) CH458549A (en)
DE (1) DE1564462C3 (en)
ES (1) ES332473A1 (en)
FR (1) FR1504694A (en)
GB (1) GB1113748A (en)
NL (1) NL6513665A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222747A1 (en) * 1973-03-20 1974-10-18 Int Standard Electric Corp
FR2399730A1 (en) * 1977-08-03 1979-03-02 Int Standard Electric Corp DEVICE FOR CONNECTING THE FILAMENT OF A CATHODIC TUBE WITH INDIRECT HEATING

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569768A (en) * 1968-11-21 1971-03-09 Sylvania Electric Prod Cathode sleeve effecting maximum heat transfer to top of cathode cap and minimum to cap wall
GB1434984A (en) * 1973-07-10 1976-05-12 Standard Telephones Cables Ltd Magnetically beamed valves
NL7402421A (en) * 1974-02-22 1975-08-26 Philips Nv CATHOD BEAM TUBE FOR DISPLAYING COLORED IMAGES.
NL7405552A (en) * 1974-04-25 1975-10-28 Philips Nv CATHOD BEAM TUBE.
DE2541886C2 (en) * 1974-09-19 1983-01-13 Tokyo Shibaura Electric Co., Ltd., Kawasaki, Kanagawa Electron gun assembly with at least one electron gun unit
FR2315766A1 (en) * 1975-06-23 1977-01-21 Sciaky Sa ELECTRON CANNON
DE2642582A1 (en) * 1976-09-22 1978-03-23 Licentia Gmbh Cup-shaped control electrode in CRT - has cathode mounted in insulating ring held by metal sleeve in control electrode cavity
DE2642560C2 (en) * 1976-09-22 1983-08-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Color cathode ray tube
JPS6036056B2 (en) * 1979-06-21 1985-08-17 株式会社東芝 cathode structure
DE2938248A1 (en) * 1979-09-21 1981-03-26 Standard Elektrik Lorenz AG, 70435 Stuttgart HEATING ELEMENT FOR AN INDIRECTLY HEATED CATHODE
NL8002343A (en) * 1980-04-23 1981-11-16 Philips Nv ELECTRON GUN AND CATHODE JET CONTAINING SUCH ELECTRON GUN.
NL8103814A (en) * 1981-08-14 1983-03-01 Philips Nv CATHED BEAM TUBE.
NL8105222A (en) * 1981-11-18 1983-06-16 Philips Nv CATHODE JET TUBE AND CATHODE UNIT FOR SUCH A CATHODE JET TUBE.
US4554480A (en) * 1983-11-29 1985-11-19 Rca Corporation Cathode-ray tube having an electron gun assembly with emissivity modifying means
KR0117988Y1 (en) * 1990-12-24 1998-04-24 Lg Electronics Inc Cathode of structure for cathode ray tube
JPH0737519A (en) * 1993-07-19 1995-02-07 Sony Corp Electron gun
NL2015039B1 (en) * 2013-12-30 2016-07-08 Mapper Lithography Ip Bv Focusing electrode for cathode arrangement, electron gun, and lithography system comprising such electron gun.
KR102359077B1 (en) 2013-12-30 2022-02-07 에이에스엠엘 네델란즈 비.브이. Cathode arrangement, electron gun, and lithography system comprising such electron gun

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833952A (en) * 1955-10-14 1958-05-06 Sylvania Electric Prod Cathode ray tube electrode assembly
US3155865A (en) * 1961-12-15 1964-11-03 Gen Electric Low power heater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222747A1 (en) * 1973-03-20 1974-10-18 Int Standard Electric Corp
FR2399730A1 (en) * 1977-08-03 1979-03-02 Int Standard Electric Corp DEVICE FOR CONNECTING THE FILAMENT OF A CATHODIC TUBE WITH INDIRECT HEATING

Also Published As

Publication number Publication date
GB1113748A (en) 1968-05-15
ES332473A1 (en) 1967-10-16
US3354340A (en) 1967-11-21
DE1564462C3 (en) 1978-10-05
DE1564462A1 (en) 1970-01-22
NL6513665A (en) 1967-04-24
AT261691B (en) 1968-05-10
DE1564462B2 (en) 1978-02-02
BE688801A (en) 1967-04-24
CH458549A (en) 1968-06-30

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