Power supply system for portable electronic devices
December 17, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesUniversal battery charging system and a method Universal battery charging system and a method Battery charging system Method and apparatus for charging a battery in high amp and automatic charging modes Apparatus for controlling charging of a storage battery Method and apparatus for rapidly charging a battery at high temperature Maximum power regulated battery charger Method and apparatus for determining battery characteristics Power supply for electronic device, and electronic device system Non-dissipative battery charger equalizer InventorAssigneeApplicationNo. 992098 filed on 12/17/1997US Classes:320/162, With detection of current or voltage amplitude320/125DIVERSE CHARGING OR DISCHARGING RATES FOR PLURAL BATTERIESExaminersPrimary: Wong, Peter S.Assistant: Shin, K. Attorney, Agent or FirmInternational ClassH02J 007/00Foreign Application Priority Data1996-12-17 KRAbstractA power supply system for a portable device such as portable personal computer, to be operated from a DC power source supplied from a rechargeable battery or an AC adapter includes: an input current detecting circuit for detecting an input current supplied from the AC adapter and for generating a detection signal having a magnitude which varies depending upon the input current, and a charging current control circuit for controlling the amount of the charging current in response to the detection signal. The power supply system has low power losses and effects a high efficiency battery charging. | |
