Inverter and liquid crystal display including inverter

Details Inverter and liquid crystal display including inverter Inverter and liquid crystal display including inverter

2004-05-21

2008-11-04

Awad, Amr (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C315S224000

Reexamination Certificate

active

07446750

ABSTRACT:
An inverter is provided, which includes: a voltage converter that converts a DC voltage from an external device into an AC voltage to drive at least a lamp and includes a primary coil and first and second secondary coils connected in series; a current sensor that senses at least a current flowing in the first or second secondary coil and generate at least a sensing signal based on the sensed at least a current; a feedback signal generator that generates a feedback signal based on the at least a sensing signal from the current sensor; and a controller that controls the voltage converter based on the feedback signal such that a tube current flowing in the at least a lamp keeps substantially constant.

REFERENCES:
patent: 6104146 (2000-08-01), Chou et al.
patent: 6130509 (2000-10-01), Kates et al.
patent: 6272027 (2001-08-01), Fraidlin
patent: 6633287 (2003-10-01), Yatabe et al.
patent: 2002/0021564 (2002-02-01), Cho et al.
patent: 1092914 (1994-09-01), None
patent: 09-035690 (1997-02-01), None
Office Action for Chinese Patent Application No.:200410038365.X; English translation.
English Abstract, Publication No. JP-09-035690.
Office Action for Chinese Patent Application No.:200410038365.X; English translation, Office Action date unknown.

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