USB compound device operates a plurality of devices by using...

Details USB compound device operates a plurality of devices by using... USB compound device operates a plurality of devices by using...

2005-03-01

2005-03-01

Myers, Paul R. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus expansion or extension

C710S313000, C710S315000, C710S105000, C710S106000

Reexamination Certificate

active

06862643

ABSTRACT:
A Universal Serial Bus (USB) compound device and the method for implementation thereof are disclosed. The USB compound device does not include an embedded hub but simulates a hub by a circuit or firmware. Therefore, a set of independent function devices are able to connect to a USB bus via the same set of USB logic, and the production cost can be reduced without affecting the function of the device and the facility of expansion and plug-and-play function.

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