SG50491G - Cathode ray tube having a magnetic focusing lens - Google Patents

Cathode ray tube having a magnetic focusing lens

Info

Publication number
SG50491G
SG50491G SG50491A SG50491A SG50491G SG 50491 G SG50491 G SG 50491G SG 50491 A SG50491 A SG 50491A SG 50491 A SG50491 A SG 50491A SG 50491 G SG50491 G SG 50491G
Authority
SG
Singapore
Prior art keywords
ray tube
cathode ray
focusing lens
magnetic focusing
magnetic
Prior art date
Application number
SG50491A
Other languages
English (en)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of SG50491G publication Critical patent/SG50491G/en

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
    • F24D3/087—Tap water heat exchangers specially adapted therefore
    • 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

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Details Of Television Scanning (AREA)
SG50491A 1986-06-11 1991-06-26 Cathode ray tube having a magnetic focusing lens SG50491G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8601512A NL8601512A (nl) 1986-06-11 1986-06-11 Kathodestraalbuis met magnetische focusseerlens.

Publications (1)

Publication Number Publication Date
SG50491G true SG50491G (en) 1991-08-23

Family

ID=19848156

Family Applications (1)

Application Number Title Priority Date Filing Date
SG50491A SG50491G (en) 1986-06-11 1991-06-26 Cathode ray tube having a magnetic focusing lens

Country Status (8)

Country Link
US (1) US4758762A (fr)
EP (1) EP0250027B1 (fr)
JP (1) JP2628648B2 (fr)
KR (1) KR880001025A (fr)
DE (1) DE3765023D1 (fr)
HK (1) HK90391A (fr)
NL (1) NL8601512A (fr)
SG (1) SG50491G (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9021167D0 (en) * 1990-09-28 1990-11-14 Grace W R & Co Container closures and processes of making them
US5382888A (en) * 1992-01-10 1995-01-17 Thomson Tubes & Displays, S.A. Focusing device with two dynamic windings for energy recovery
EP0551026B1 (fr) * 1992-01-10 1997-06-04 THOMSON TUBES & DISPLAYS S.A. Dispositif de focalisation avec deux bobines dynamiques à récupération d'énergie
EP0551027B1 (fr) * 1992-01-10 1997-09-17 THOMSON TUBES & DISPLAYS S.A. Appareil à focalisation magnétique
EP0551025B1 (fr) * 1992-01-10 1996-08-21 THOMSON TUBES & DISPLAYS S.A. Circuit de focalisation dynamique à faible consommation d'énergie
KR100304156B1 (ko) * 1992-03-27 2001-11-30 데니스 에이취 엘 벡 일체성형의비점수차보정기를구비한영구자석집속유닛
DE69212802T2 (de) * 1992-03-27 1997-03-20 Thomson Tubes & Displays Permanentmagnet-Fokusiersystem mit integriertem Astigmatismuskorrektor
DE4422440A1 (de) * 1994-06-29 1996-01-04 Osaulenko Nikolaj Fedorowitsc Vorrichtung zur Aufzeichnung und Wiedergabe hochfrequenter Signale
US5489826A (en) * 1994-08-08 1996-02-06 Thomson Consumer Electronics, Inc. Focus coil current generator for a cathode ray tube
JPH08212939A (ja) * 1995-02-08 1996-08-20 Mitsubishi Electric Corp Ｃｒｔおよびその解像度改善装置
US5719476A (en) * 1996-02-23 1998-02-17 David Sarnoff Research Center, Inc. Apparatus for correcting distortion of an electron beam generated spot on a cathode ray tube screen
FR2754636B1 (fr) * 1996-10-15 1998-11-27 Thomson Tubes & Displays Systeme de deviation de faisceau d'electrons pour tube a rayons catholiques monochrome
WO2000022645A1 (fr) * 1998-10-14 2000-04-20 Sony Electronics Inc. Appareil et procede de correction de la taille de la tache produite par un faisceau trc
JP2002352749A (ja) * 2001-05-29 2002-12-06 Hitachi Ltd 異径ネックを有する投射形ブラウン管
JP2002367539A (ja) 2001-06-08 2002-12-20 Hitachi Ltd ブラウン管
JP2003059430A (ja) 2001-08-09 2003-02-28 Hitachi Ltd 異径ネックを有する投射形陰極線管装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE891119C (de) * 1940-07-09 1953-09-24 Telefunken Gmbh Magnetische Elektronenlinse
GB731180A (en) * 1952-11-20 1955-06-01 Cinema Television Ltd Improvements in or relating to cathode ray tube apparatus
BE620211A (fr) * 1961-08-23
JPS4421136Y1 (fr) * 1968-08-19 1969-09-08
US3961223A (en) * 1975-03-04 1976-06-01 United Technologies Corporation Astigmatic focus correction circuit
NL7609374A (nl) * 1976-08-24 1978-02-28 Philips Nv Inrichting voor het weergeven van televisie- beelden, afbuigspoelenstelsel voor een derge- lijke inrichting en beeldbuis voorzien van een dergelijk afbuigspoelenstelsel.
DE2752598C3 (de) * 1977-11-25 1981-10-15 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zum Betrieb einer elektromagnetischen fokussierenden elektronen-optischen Linsenanordnung und Linsenanordnung hierfür
GB2085698B (en) * 1980-10-02 1984-08-15 Secr Defence Stigmator for cathode ray tube
JPH0736623B2 (ja) * 1981-04-30 1995-04-19 株式会社日立製作所 インラインカラ−受像管装置

Also Published As

Publication number Publication date
JP2628648B2 (ja) 1997-07-09
HK90391A (en) 1991-11-22
NL8601512A (nl) 1988-01-04
EP0250027A1 (fr) 1987-12-23
KR880001025A (ko) 1988-03-31
EP0250027B1 (fr) 1990-09-19
US4758762A (en) 1988-07-19
JPS62296346A (ja) 1987-12-23
DE3765023D1 (de) 1990-10-25

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