Invention Grant
- Patent Title: Charger with detection of power input type
- Patent Title (中): 充电器检测电源输入类型
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Application No.: US12856837Application Date: 2010-08-16
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Publication No.: US08698449B2Publication Date: 2014-04-15
- Inventor: Li-Wei Lee , Nien-Hui Kung , Kwan-Jen Chu , Ying-Hsin Hsing
- Applicant: Li-Wei Lee , Nien-Hui Kung , Kwan-Jen Chu , Ying-Hsin Hsing
- Applicant Address: TW Hsinchu
- Assignee: Richtek Technology Corp.
- Current Assignee: Richtek Technology Corp.
- Current Assignee Address: TW Hsinchu
- Agency: Muncy, Geissler, Olds & Lowe, P.C.
- Priority: TW98127850A 20090819
- Main IPC: H02J7/00
- IPC: H02J7/00
Abstract:
A charger for a portable device includes a USB detector connected to a data pin to detect the effective resistance on the data pin before a USB transceiver is enabled, to identify USB or adapter plug in and control a charging current for a battery accordingly.
Public/Granted literature
- US20110043162A1 CHARGER AND PORTABLE DEVICE HAVING THE SAME Public/Granted day:2011-02-24
Information query
