Invention Grant
- Patent Title: Power source switchover apparatus and method
- Patent Title (中): 电源切换装置及方法
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Application No.: US12543236Application Date: 2009-08-18
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Publication No.: US07852046B2Publication Date: 2010-12-14
- Inventor: Christoph H. Krah , Ronil Patel
- Applicant: Christoph H. Krah , Ronil Patel
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Dorsey & Whitney LLP
- Main IPC: H02J7/04
- IPC: H02J7/04 ; H02J7/00
Abstract:
An apparatus for switching from a first power supply to a second power supply. Such an apparatus may determine which of the first and second power supplies has a greater voltage, and may power a device from the power supply having the greater voltage or charge. A single boost converter may be used regardless of which power supply is providing power.
Public/Granted literature
- US20090309552A1 POWER SOURCE SWITCHOVER APPARATUS AND METHOD Public/Granted day:2009-12-17
Information query
