USB interface controller chip

Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration – Loading initialization program

Reexamination Certificate

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Details

C710S015000, C710S062000, C710S063000, C710S072000

Reexamination Certificate

active

06915419

ABSTRACT:
A USB interface controller chip comprises a pair of signal ports for being connecting with a pair of USB signals and a power node for being connecting with a supply voltage characterized in that the controller chip is built-in with a pull-up resistor connected between the power node and one of the pair of signal ports, and the pull-up resistor has a resistance consistent to USB standard but has a tolerance larger than that defined by USB specification.

REFERENCES:
patent: 6131134 (2000-10-01), Huang et al.
patent: 6370603 (2002-04-01), Silverman et al.
patent: 6543690 (2003-04-01), Leydier et al.
patent: 6629169 (2003-09-01), Chu

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