CA993028A - Magnetic correction device for a cathode ray tube - Google Patents

Magnetic correction device for a cathode ray tube

Info

Publication number
CA993028A
CA993028A CA196,823A CA196823A CA993028A CA 993028 A CA993028 A CA 993028A CA 196823 A CA196823 A CA 196823A CA 993028 A CA993028 A CA 993028A
Authority
CA
Canada
Prior art keywords
ray tube
cathode ray
correction device
magnetic correction
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
CA196,823A
Other versions
CA196823S (en
Inventor
Johannes Van Den Boogert
Antoon Swart
Antonie Slavenburg
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 CA993028A publication Critical patent/CA993028A/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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
    • H01J29/702—Convergence correction arrangements therefor
    • H01J29/703—Static convergence systems
CA196,823A 1973-04-09 1974-04-04 Magnetic correction device for a cathode ray tube Expired CA993028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7304887.A NL160426C (en) 1973-04-09 1973-04-09 MAGNETIC CORRECTION DEVICE FOR A CATHODE JET TUBE.

Publications (1)

Publication Number Publication Date
CA993028A true CA993028A (en) 1976-07-13

Family

ID=19818595

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196,823A Expired CA993028A (en) 1973-04-09 1974-04-04 Magnetic correction device for a cathode ray tube

Country Status (14)

Country Link
US (1) US3902145A (en)
JP (1) JPS5531985B2 (en)
AU (1) AU6767074A (en)
BE (1) BE813434A (en)
BR (1) BR7402789D0 (en)
CA (1) CA993028A (en)
DE (1) DE2416509C3 (en)
ES (1) ES425065A1 (en)
FR (1) FR2224869B1 (en)
GB (1) GB1466732A (en)
IT (1) IT1011709B (en)
NL (1) NL160426C (en)
SE (1) SE386008B (en)
ZA (1) ZA742104B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032872A (en) * 1975-10-21 1977-06-28 Rca Corporation Beam adjustment assembly for a cathode ray tube
US4091347A (en) * 1976-03-17 1978-05-23 Rca Corporation Convergence apparatus for in-line beams
US4050042A (en) * 1976-10-13 1977-09-20 Tracor, Inc. Static convergence devices for color television picture tubes
DE2752252C2 (en) * 1977-11-23 1987-04-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Method for producing a magnetic correction ring for television picture tubes
EP0042020B1 (en) * 1980-06-13 1984-05-16 International Business Machines Corporation Convergence unit for cathode-ray tube
NL8100785A (en) * 1981-02-18 1982-09-16 Philips Nv DEVICE FOR DISPLAYING IMAGES.
US4467302A (en) * 1983-03-24 1984-08-21 Sperry Corporation CRT Color purity adjustment apparatus
JPH0538253U (en) * 1991-10-25 1993-05-25 ナイルス部品株式会社 Window glass opening and closing control device
KR0160847B1 (en) * 1995-02-20 1998-12-01 구자홍 Magnet structural reform for color cathode ray tube
EP1162642A1 (en) 2000-06-07 2001-12-12 Matsushita Display Devices (Germany) GmbH Multipole unit for a color picture tube

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL147275B (en) * 1948-07-01 Plessey Uk Limited ELECTRIC TORQUE SWITCH FOR PUSH-BUTTON CONTROL.
US2801356A (en) * 1956-01-23 1957-07-30 Heppner Mfg Co Focus device
US3332046A (en) * 1965-05-19 1967-07-18 Illinois Tool Works Blue lateral and purity magnet assembly
US3341729A (en) * 1966-01-26 1967-09-12 Illinois Tool Works Device for laterally shifting one of a plurality of electron beams relative to the remainder in a color television tube
US3605053A (en) * 1969-08-27 1971-09-14 Tracor Convergence- and purity-adjusting device for color television picture tube

Also Published As

Publication number Publication date
DE2416509B2 (en) 1978-08-24
FR2224869A1 (en) 1974-10-31
GB1466732A (en) 1977-03-09
ES425065A1 (en) 1976-06-01
DE2416509C3 (en) 1979-04-26
JPS5012964A (en) 1975-02-10
FR2224869B1 (en) 1978-08-11
NL7304887A (en) 1974-10-11
BR7402789D0 (en) 1974-11-19
IT1011709B (en) 1977-02-10
BE813434A (en) 1974-10-08
DE2416509A1 (en) 1974-10-24
NL160426B (en) 1979-05-15
ZA742104B (en) 1975-11-26
JPS5531985B2 (en) 1980-08-22
AU6767074A (en) 1975-10-09
NL160426C (en) 1979-10-15
US3902145A (en) 1975-08-26
SE386008B (en) 1976-07-26

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