GB527892A - Improvements in arrangements for neutralising distortion in cathode ray tubes - Google Patents

Improvements in arrangements for neutralising distortion in cathode ray tubes

Info

Publication number
GB527892A
GB527892A GB12192/39A GB1219239A GB527892A GB 527892 A GB527892 A GB 527892A GB 12192/39 A GB12192/39 A GB 12192/39A GB 1219239 A GB1219239 A GB 1219239A GB 527892 A GB527892 A GB 527892A
Authority
GB
United Kingdom
Prior art keywords
poles
ray tubes
distortion
cathode
neutralising
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
GB12192/39A
Other languages
English (en)
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
Publication of GB527892A publication Critical patent/GB527892A/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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
GB12192/39A 1938-04-25 1939-04-22 Improvements in arrangements for neutralising distortion in cathode ray tubes Expired GB527892A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE210411X 1938-04-25

Publications (1)

Publication Number Publication Date
GB527892A true GB527892A (en) 1940-10-17

Family

ID=5797229

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12192/39A Expired GB527892A (en) 1938-04-25 1939-04-22 Improvements in arrangements for neutralising distortion in cathode ray tubes

Country Status (6)

Country Link
US (1) US2258643A (US06373033-20020416-M00002.png)
BE (1) BE434002A (US06373033-20020416-M00002.png)
CH (1) CH210411A (US06373033-20020416-M00002.png)
FR (1) FR853489A (US06373033-20020416-M00002.png)
GB (1) GB527892A (US06373033-20020416-M00002.png)
NL (1) NL59153C (US06373033-20020416-M00002.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545524A (en) * 1945-08-29 1951-03-20 Rca Corp Schmidt television projection system
GB2177539A (en) * 1985-05-20 1987-01-21 Mitsubishi Electric Corp Magnetic shielding system in color television receiver

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB605572A (en) * 1945-07-28 1948-07-27 Eric William Bull Improvements in or relating to circuit arrangements embodying cathode ray tubes
US2459732A (en) * 1946-03-26 1949-01-18 Philco Corp Electrical system
US2455977A (en) * 1946-12-31 1948-12-14 Philco Corp Magnetic lens for correcting scanning defects
US2513221A (en) * 1948-07-01 1950-06-27 Rca Corp Register correction for television
US2541446A (en) * 1949-01-04 1951-02-13 Barnet S Trott Image distortion corrector for cathode-ray tubes
US2499065A (en) * 1949-03-22 1950-02-28 Heppner Mfg Company Device for adjustably positioning spaced magnetic fields
US2591159A (en) * 1950-05-29 1952-04-01 Gilfillan Bros Inc Magnetic means for producing compensations and other effects in a cathode-ray tube
US2574039A (en) * 1951-02-17 1951-11-06 All Star Products Inc Magnetic centering device for cathode ray tubes
US2729759A (en) * 1953-10-13 1956-01-03 Rca Corp Beam controlling apparatus
BE541271A (US06373033-20020416-M00002.png) * 1954-09-14
US2972073A (en) * 1955-08-31 1961-02-14 Rca Corp Electron beam controlling apparatus
US2854598A (en) * 1955-11-21 1958-09-30 Baermann Max Magnetic field adjuster for television picture tubes
US2900544A (en) * 1956-01-25 1959-08-18 Westinghouse Electric Corp Compensation means for cathode ray tubes
US2963607A (en) * 1956-05-04 1960-12-06 Rca Corp Electron beam-controlling apparatus
US2921226A (en) * 1956-05-24 1960-01-12 Philco Corp Apparatus for color purity correction in color television receivers
US2941102A (en) * 1956-07-26 1960-06-14 Sol L Reiches Post deflection color purity correcting device for a color tv cathode ray tube and system using the same
US2921213A (en) * 1957-03-01 1960-01-12 Sol L Reiches Magnetic deflection yoke for a multiple ray beam cathode ray tube and system using the same
US2939979A (en) * 1957-04-26 1960-06-07 Sol L Reiches Color pure cathode ray tube display mechanism
US3939378A (en) * 1973-08-16 1976-02-17 Tektronix, Inc. Storage cathode ray tube having auxiliary coils to correct non-symmetrical geometry
KR100413446B1 (ko) * 2001-03-16 2003-12-31 엘지전자 주식회사 칼라수상관

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545524A (en) * 1945-08-29 1951-03-20 Rca Corp Schmidt television projection system
GB2177539A (en) * 1985-05-20 1987-01-21 Mitsubishi Electric Corp Magnetic shielding system in color television receiver
GB2177539B (en) * 1985-05-20 1989-07-05 Mitsubishi Electric Corp Magnetic shielding system in color television receiver
US4943755A (en) * 1985-05-20 1990-07-24 Mitsubishi Denki Kabushiki Kaisha Magnetic shielding with constant-current coils for CRT

Also Published As

Publication number Publication date
CH210411A (de) 1940-07-15
US2258643A (en) 1941-10-14
FR853489A (fr) 1940-03-20
NL59153C (US06373033-20020416-M00002.png)
BE434002A (US06373033-20020416-M00002.png)

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