Power adapter

Details Power adapter Power adapter

2006-05-30

2006-05-30

Nguyen, Matthew V. (Department: 2838)

Electric power conversion systems

Current conversion

Encased in plug housing

Reexamination Certificate

active

07054177

ABSTRACT:
The present invention provides a power adapter which includes a power input connector, a voltage transfer and a power output connector. The power input and output connectors connect conductively to the voltage transfer, and the power input connector engages with a DC power to transmit an input DC to the voltage transfer. The voltage transfer includes a voltage conversion circuit, a multi-transfer switch and a selective resistance network. The voltage conversion circuit conducts the selective resistance network through a multi-transfer manipulation of the multi-transfer switch, further achieves various specific resistance values. In accordance with this, the input DC is converted correspondingly various output DC with specific voltages for various electronic apparatuses.

REFERENCES:
patent: 6057610 (2000-05-01), Nierescher
patent: 6169341 (2001-01-01), Nagai
patent: 6172892 (2001-01-01), Plichta et al.
patent: 6845023 (2005-01-01), Philips et al.
patent: 6879497 (2005-04-01), Hua et al.

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