(19)
(11) EP 1 760 184 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.03.2009 Bulletin 2009/12

(43) Date of publication A2:
07.03.2007 Bulletin 2007/10

(21) Application number: 06016670.9

(22) Date of filing: 09.08.2006
(51) International Patent Classification (IPC): 
D06F 37/30(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 05.09.2005 KR 20050082061

(71) Applicant: LG Electronics Inc.
Youngdungpo-Gu Seoul (KR)

(72) Inventors:
  • Kim, Deok Kyu
    Incheon-si, Kyeonggi-do (KR)
  • Jun, Cha Seung
    Seocho-gu, Seoul (KR)
  • Min, Byoung Wook
    Dongjak-gu, Seoul (KR)

(74) Representative: Vossius & Partner 
Siebertstraße 4
81675 München
81675 München (DE)

   


(54) Operating apparatus and method of a washing machine


(57) The operating apparatuses of a washing machine and the methods on that are renovated. The afore-mentioned washing machine is including: a memory (7) that the reference signals are saved in order to operate a motor (5) in a best condition according to each of the condition of the torque and noise; a control unit (6) which generates the switching signals as calling the reference signals which are different each other according to the strokes of a washing machine, and comparing with the carrier signals; an inverter (4) which generates a motor operating signal as an external power is switched by a switching signal; a motor which is rotated by a motor operating signal; and a revolving screen of a washing machine which is operated by a motor.







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