FR774394A - Cathode ray tube - Google Patents

Cathode ray tube

Info

Publication number
FR774394A
FR774394A FR774394DA FR774394A FR 774394 A FR774394 A FR 774394A FR 774394D A FR774394D A FR 774394DA FR 774394 A FR774394 A FR 774394A
Authority
FR
France
Prior art keywords
ray tube
cathode ray
cathode
tube
ray
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR774394A publication Critical patent/FR774394A/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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
FR774394D 1933-06-10 1934-06-09 Cathode ray tube Expired FR774394A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE208832X 1933-06-10
DE200633X 1933-06-20
DE140733X 1933-07-14

Publications (1)

Publication Number Publication Date
FR774394A true FR774394A (en) 1934-12-05

Family

ID=27180663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774394D Expired FR774394A (en) 1933-06-10 1934-06-09 Cathode ray tube

Country Status (6)

Country Link
US (1) US2126286A (en)
BE (1) BE403600A (en)
CH (1) CH208832A (en)
FR (1) FR774394A (en)
GB (2) GB442511A (en)
NL (1) NL45201C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745985C (en) * 1941-03-27 1944-05-22 Aeg Braun tube for compass purposes

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444710A (en) * 1942-09-26 1948-07-06 Rca Corp Correction for spherical and chromatic aberrations in electron lens
US2418228A (en) * 1943-10-08 1947-04-01 Rca Corp Electronic microanalyzer
US2417797A (en) * 1944-04-27 1947-03-18 Westinghouse Electric Corp Mass spectrometer
US2450602A (en) * 1944-08-17 1948-10-05 Hartford Nat Bank & Trust Co Thermionic discharge tube with electronic velocity filter
US2563490A (en) * 1946-01-28 1951-08-07 Cathode arrangement fob television
BE481554A (en) * 1947-06-26
US2511143A (en) * 1948-02-12 1950-06-13 Zenith Radio Corp Electron discharge device
US2653993A (en) * 1948-04-29 1953-09-29 Rca Corp Simultaneous color television optical system
DE962919C (en) * 1952-10-28 1957-05-02 Telefunken Gmbh Electron beam tube with electrostatic deflection system
US3286114A (en) * 1963-09-16 1966-11-15 Gen Electric Variable magnification electron lens
US3873878A (en) * 1970-07-31 1975-03-25 Tektronix Inc Electron gun with auxilliary anode nearer to grid than to normal anode
US4345182A (en) * 1980-06-02 1982-08-17 The Boeing Company Electrode having spiral-shaped electrically conducting regions therein useful as an anode in electron beam discharge devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745985C (en) * 1941-03-27 1944-05-22 Aeg Braun tube for compass purposes

Also Published As

Publication number Publication date
GB442511A (en) 1936-02-10
NL45201C (en)
BE403600A (en)
CH208832A (en) 1940-02-29
US2126286A (en) 1938-08-09
GB442427A (en) 1936-02-07

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