Usb power supply
作者： Yau Chung John Chan , Shu Hung Henry Chung , Chung Fai Norman Tse
DOI:
关键词:
摘要: A universal serial bus (USB) power supply is disclosed as including a main body (12) and cable (24) releasably connectable with each other,the (12)being to direct current (DC) source having USB receptacle (20) electrically the DC source, plug (26) establish electrical connection data communication there-between connector (30) connected (26), being operable in detached mode which out of an attached (24), adapted,when mode, automatically change voltage output from (30).
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