Multi-sync monitor power supply system with harmonic eliminating

Details Multi-sync monitor power supply system with harmonic eliminating Multi-sync monitor power supply system with harmonic eliminating

1998-06-11

2000-12-19

Lao, Lun-Yi

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

363142, G09G 500, H02M 110

Patent

active

061633143

ABSTRACT:
A computer monitor power supply system includes a comparator, a relay, and an inductor connected in series between the AC input and a flyback transformer circuit. The inductor includes two windings which are automatically switched between a parallel connection and a series connection upon switching between a 110 V and 220 V power input so as to reduce the amount of low frequency harmonics.

REFERENCES:
patent: 4608498 (1986-08-01), Falzarano et al.
patent: 4843301 (1989-06-01), Belanger
patent: 5001623 (1991-03-01), Magid
patent: 5331532 (1994-07-01), Iwai et al.
patent: 5406308 (1995-04-01), Shiki
patent: 5961648 (1999-10-01), Choi et al.

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