US2012069603A1PendingUtilityA1

Adapter power supply

Assignee: RYU BYOUNG WOOPriority: Jul 25, 2008Filed: Sep 23, 2011Published: Mar 22, 2012

Est. expiryJul 25, 2028(~2 yrs left)· nominal 20-yr term from priority

Inventors:Byoung Woo Ryu Gun Woo Moon Seong Wook Choi Jong Sun Kim Dong Seong Oh

H02M 1/4225H02M 3/155H02M 3/28H02M 1/007H02M 3/3376Y02B70/10

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References

Claims

Abstract

An adapter power supply includes an AC/DC converter converting a commercial AC power into a DC power; a DC/DC converter including a transformer composed of a primary terminal and a secondary terminal in order to output an output power by converting a link voltage of the DC power; and a controller presuming a load current of the output power through a primary current of the transformer and varying the link voltage of the DC power according to variation of the estimated load current.

Claims

exact text as granted — not AI-modified

What is claimed is: 
     
         1 . An adapter power supply comprising:
 an AC/DC converter converting a commercial AC power into a DC power;   a DC/DC converter including a transformer composed of a primary terminal and a secondary terminal in order to output an output power by converting a link voltage of the DC power; and   a controller presuming a load current of the output power through a primary current of the transformer and varying the link voltage of the DC power according to variation of the estimated load current.

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