Title:
CONTROLLER FOR AN ELECTRIC POWER ASSISTED BICYCLE
Document Type and Number:
WIPO Patent Application WO/2009/036623
Kind Code:
A1
Abstract:
A controller for an electric power assisted bicycle, especially for outputting the assisted force of the electric power assisted bicycle, includes hall sensors and several magnet blocks moving with the bicycle running. The controller includes two hall sensor. S poles of the hall sensors are connected to a power source. D poles of the hall sensors are connected to the ground. The G pole of one of the other sensor is in series with a voltage-dividing resistor and in parallel with the G poles of the other. There is a resistor between an output end and the power source. The controller may response quickly and be accuracy and be used to the electric power assisted bicycle easier.
Inventors:
HON DAVID TAKWEI (CN)
Application Number:
PCT/CN2007/003589
Publication Date:
March 26, 2009
Filing Date:
December 13, 2007
Export Citation:
Assignee:
HON DAVID TAKWEI (CN)
International Classes:
B60M7/00; B62J99/00; B62K11/00; B62M6/50; H03K17/97
Domestic Patent References:
| WO2004016496A1 | 2004-02-26 |
Foreign References:
| CN2507776Y | 2002-08-28 | |||
| US6595072B2 | 2003-07-22 | |||
| DE102004022789A1 | 2005-12-01 |
Attorney, Agent or Firm:
WISON I.P. LAW FIRM (Dongbao BuildingNo.767 Dongfengdong Road,Guangzhou, Guangdong 0, CN)
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