(19)
(11) EP 0 408 139 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.09.1991 Bulletin 1991/37

(43) Date of publication A2:
16.01.1991 Bulletin 1991/03

(21) Application number: 90201839.9

(22) Date of filing: 09.07.1990
(51) International Patent Classification (IPC)5: H01J 29/76
(84) Designated Contracting States:
DE FR GB NL

(30) Priority: 14.07.1989 NL 8901820
16.02.1990 NL 9000373

(71) Applicant: Philips Electronics N.V.
5621 BA Eindhoven (NL)

(72) Inventors:
  • Van Mierlo, Alexander Godefridus Johannes G.
    NL-5656 AA Eindhoven (NL)
  • Van Den Heuvel, Martinus Antonius Maria
    NL-5656 AA Eindhoven (NL)

(74) Representative: Koppen, Jan et al
INTERNATIONAAL OCTROOIBUREAU B.V., Prof. Holstlaan 6
NL-5656 AA Eindhoven
NL-5656 AA Eindhoven (NL)


(56) References cited: : 
   
       


    (54) Display tube and deflection unit suitable for such a display tube


    (57) A display tube comprising a deflection unit having a field deflection coil 12 and a line deflection coil 11. Field-guiding elements 17 and 18 are arranged between the field deflection coil 12 and the line deflection coil 11 in such a manner that they produce little or no vibration.







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