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公开(公告)号:US20170169281A1
公开(公告)日:2017-06-15
申请号:US15361256
申请日:2016-11-25
申请人: WEN-KUEI LIU , CHAO-HSUAN LIU , YU-CHUN LIU
发明人: WEN-KUEI LIU , CHAO-HSUAN LIU , YU-CHUN LIU
CPC分类号: G06K9/00087 , G06K9/00382 , G06K9/00892
摘要: A fingerprint recognition system of a portable electronic device is provided, including a database, a detecting unit and a processing unit which are electrically connected to the processing unit, the database including a contrast data module which includes fingerprint characteristic data and knuckle characteristic data of three preset fingers, the detecting unit for detecting fingerprints and knuckles to be inspected of three fingers to be inspected and transmitting a signal to the processing unit, the processing unit transferring the signal into a real-time data module, the processing unit contrasting the real-time data module and the contrast data module to obtain a verification match rate, the processing unit having a preset match rate, wherein when the verification match rate is greater than or equal to the preset match rate, the processing unit determines that the three fingers to be inspected match the three preset fingers.
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公开(公告)号:US20210031880A1
公开(公告)日:2021-02-04
申请号:US16529219
申请日:2019-08-01
申请人: WEN-KUEI LIU , CHAO-HSUAN LIU , YU-CHUN LIU , YI-SHAN LIU
发明人: WEN-KUEI LIU , CHAO-HSUAN LIU , YU-CHUN LIU , YI-SHAN LIU
摘要: A transmission device for a bicycle includes a housing, a mandrel, an assembling member, a transmission assembly, a derailleur assembly and a clutch assembly. The mandrel is rotatably disposed on the housing and extends along an axial direction. The assembling member has a driving gear. The transmission assembly is rotatably disposed on the housing and engaged with the driving gear. The derailleur assembly includes a first derailleur gear and a second derailleur gear. The transmission assembly is engaged with the first derailleur gear and the second derailleur gear. The clutch assembly includes a clutch member.
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