FR828375A - Magnetic Concentration Cathode Ray Tube - Google Patents

Magnetic Concentration Cathode Ray Tube

Info

Publication number
FR828375A
FR828375A FR828375DA FR828375A FR 828375 A FR828375 A FR 828375A FR 828375D A FR828375D A FR 828375DA FR 828375 A FR828375 A FR 828375A
Authority
FR
France
Prior art keywords
ray tube
cathode ray
magnetic concentration
concentration cathode
magnetic
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.)
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 FR828375A publication Critical patent/FR828375A/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
    • H01J29/64—Magnetic lenses
    • H01J29/68—Magnetic lenses using permanent magnets only
FR828375D 1936-10-30 1937-10-28 Magnetic Concentration Cathode Ray Tube Expired FR828375A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE487998X 1936-10-30

Publications (1)

Publication Number Publication Date
FR828375A true FR828375A (en) 1938-05-17

Family

ID=6543722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828375D Expired FR828375A (en) 1936-10-30 1937-10-28 Magnetic Concentration Cathode Ray Tube

Country Status (4)

Country Link
US (1) US2212206A (en)
BE (1) BE424327A (en)
FR (1) FR828375A (en)
GB (1) GB487998A (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425125A (en) * 1940-07-20 1947-08-05 Hartford Nat Bank & Trust Co Cathode-ray tube with magnetic compensating means
US2503173A (en) * 1946-10-18 1950-04-04 Rca Corp Permanent magnetic electron lens system
US2555850A (en) * 1948-01-28 1951-06-05 Nicholas D Glyptis Ion trap
NL144716B (en) * 1948-02-07 Bus Wand A G DEVICE FOR REMOVABLE STRETCHING OF TWO LEAD STRAIGHT FURNITURE PIECES.
US2541446A (en) * 1949-01-04 1951-02-13 Barnet S Trott Image distortion corrector for cathode-ray tubes
US2522872A (en) * 1949-01-10 1950-09-19 Heppner Mfg Company Device for controlling the path of travel of electrons in cathoderay tubes
BE490180A (en) * 1949-02-24
US2533687A (en) * 1949-05-27 1950-12-12 Quam Nichols Company Magnetic focusing device
US2552342A (en) * 1949-11-17 1951-05-08 Clarostat Mfg Co Inc Magnetic structure for use in ion-traps
US2533688A (en) * 1950-01-31 1950-12-12 Quam Nichols Company Focusing device
US2602902A (en) * 1950-02-14 1952-07-08 Bendix Aviat Corp Sweep amplitude control for magnetically deflected cathode-ray tubes
US2594099A (en) * 1950-04-22 1952-04-22 Ite Circuit Breaker Ltd Focusing coil for cathode-ray tubes
NL89376C (en) * 1950-06-17
US2533689A (en) * 1950-06-28 1950-12-12 Quam Nichols Company Magnetic focusing device
US2608665A (en) * 1950-07-29 1952-08-26 Gen Electric Permanent magnet focusing device
US2568668A (en) * 1950-08-18 1951-09-18 Best Mfg Co Inc Cathode-ray tube focusing device of the permanent magnet type
US2592185A (en) * 1950-12-09 1952-04-08 Quam Nichols Company Focusing device
US2619607A (en) * 1951-03-10 1952-11-25 Glaser Steers Corp Internal focusing device
US2580606A (en) * 1951-03-21 1952-01-01 Best Mfg Company Inc Cathode-ray tube focusing device
US2681421A (en) * 1952-03-04 1954-06-15 Gen Electric Magnetic focusing structure for electron beams
US2664514A (en) * 1952-03-10 1953-12-29 All Star Products Inc Magnetic focusing mechanism
NL207373A (en) * 1953-05-30
US2785330A (en) * 1953-10-19 1957-03-12 Nat Video Corp Internal pole piece arrangement for a magnetically-focused cathode ray tube
NL200862A (en) * 1954-10-04

Also Published As

Publication number Publication date
BE424327A (en)
US2212206A (en) 1940-08-20
GB487998A (en) 1938-06-29

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