EP0517320A3 - Colour display tube with coma correction - Google Patents

Colour display tube with coma correction Download PDF

Info

Publication number
EP0517320A3
EP0517320A3 EP19920201573 EP92201573A EP0517320A3 EP 0517320 A3 EP0517320 A3 EP 0517320A3 EP 19920201573 EP19920201573 EP 19920201573 EP 92201573 A EP92201573 A EP 92201573A EP 0517320 A3 EP0517320 A3 EP 0517320A3
Authority
EP
European Patent Office
Prior art keywords
display tube
colour display
coma correction
coma
correction
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.)
Granted
Application number
EP19920201573
Other versions
EP0517320A2 (en
EP0517320B1 (en
Inventor
Albertus Aemilius Seyno Sluyterman
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
Priority to EP19920201573 priority Critical patent/EP0517320B1/en
Publication of EP0517320A2 publication Critical patent/EP0517320A2/en
Publication of EP0517320A3 publication Critical patent/EP0517320A3/en
Application granted granted Critical
Publication of EP0517320B1 publication Critical patent/EP0517320B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
EP19920201573 1991-06-05 1992-06-02 Colour display tube with coma correction Expired - Lifetime EP0517320B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19920201573 EP0517320B1 (en) 1991-06-05 1992-06-02 Colour display tube with coma correction

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP91201380 1991-06-05
EP91201380 1991-06-05
EP19920201573 EP0517320B1 (en) 1991-06-05 1992-06-02 Colour display tube with coma correction

Publications (3)

Publication Number Publication Date
EP0517320A2 EP0517320A2 (en) 1992-12-09
EP0517320A3 true EP0517320A3 (en) 1993-11-18
EP0517320B1 EP0517320B1 (en) 1996-10-16

Family

ID=26129287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920201573 Expired - Lifetime EP0517320B1 (en) 1991-06-05 1992-06-02 Colour display tube with coma correction

Country Status (1)

Country Link
EP (1) EP0517320B1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725831A (en) * 1972-01-14 1973-04-03 Rca Corp Magnetic beam adjusting arrangements
US4455542A (en) * 1983-01-06 1984-06-19 U.S. Philips Corporation Device for displaying television pictures including a deflection unit therefor
US4524340A (en) * 1983-05-02 1985-06-18 U.S. Philips Corporation Device for displaying television pictures
EP0241057A1 (en) * 1986-03-28 1987-10-14 Koninklijke Philips Electronics N.V. Colour picture tube including a deflection unit having picture balance correction means
US4874983A (en) * 1987-05-29 1989-10-17 U.S. Philips Corporation Picture display system including a deflection unit with a double saddle coil system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725831A (en) * 1972-01-14 1973-04-03 Rca Corp Magnetic beam adjusting arrangements
US4455542A (en) * 1983-01-06 1984-06-19 U.S. Philips Corporation Device for displaying television pictures including a deflection unit therefor
US4524340A (en) * 1983-05-02 1985-06-18 U.S. Philips Corporation Device for displaying television pictures
EP0241057A1 (en) * 1986-03-28 1987-10-14 Koninklijke Philips Electronics N.V. Colour picture tube including a deflection unit having picture balance correction means
US4874983A (en) * 1987-05-29 1989-10-17 U.S. Philips Corporation Picture display system including a deflection unit with a double saddle coil system

Also Published As

Publication number Publication date
EP0517320A2 (en) 1992-12-09
EP0517320B1 (en) 1996-10-16

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