Automatic detection circuit for universal serial bus concentrator

Application Number: 00107253
Application Date: 2000.04.29
Publication Number: 1321932
Publication Date: 2001.11.14
Priority Information:
International: G06F13/12
Applicant(s) Name: Dongsheng Sicence & Technology Co. Ltd.
Inventor(s) Name: Huang Zijie
Patent Agency Code: 11021
Patent Agent: liu wenyi
Abstract The present invention relates to an autoamtic detection circuit for USB concentrator, and is characterized by that it contains computer device (PC), USB concentrator (USB Hub) and other USB peripheral equipment, in which said computer device (PC) can be connected with a circuit, said circuit is formed from diode, resistor element and capacitor element or integrated circuit (IC), and when the connection of the USB concentrator (USB Hub) with other USB peripheral equipment has need of connecting with external power, it can make computer device (PC) automatically detect out existence of external power.