Bias circuit and method for operating the same

Details Bias circuit and method for operating the same Bias circuit and method for operating the same

2005-07-29

2009-06-02

Owens, Douglas W. (Department: 2821)

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

C315S368210

Reexamination Certificate

active

07541754

ABSTRACT:
A bias circuit and a method for operating the same minimizes a picture distortion. The bias circuit includes a main capacitor and a plurality of sub capacitors for compensating picture distortion, a controller provides control signals having different duty cycles, and a plurality of switches receiving each of the switch control signals and changing each link (or path) between the main capacitor and the sub capacitors in accordance with the received switch control signals.

REFERENCES:
patent: 5283505 (1994-02-01), Bando
patent: 5955848 (1999-09-01), Arima et al.
patent: 6222330 (2001-04-01), Suzuki
patent: 6225763 (2001-05-01), Kang
patent: 6259425 (2001-07-01), Shimizu
patent: 6469916 (2002-10-01), Kerkman et al.
patent: 6486618 (2002-11-01), Li
patent: 1998-042371 (1998-08-01), None
Korean Office Action dated May 29, 2006.

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