Simplified universal serial bus (USB) hub architecture

Details Simplified universal serial bus (USB) hub architecture Simplified universal serial bus (USB) hub architecture

2005-09-30

2010-02-02

Rinehart, Mark (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C370S412000, C370S429000

Reexamination Certificate

active

07657691

ABSTRACT:
A Universal Serial Bus (USB) device uses a same elasticity buffer for buffering packets for multiple different ports and only necessary packet detection circuitry is associated with the individual ports. A collision detection circuit is further included corresponding with information received from the packet detection circuitry. This simplified universal elasticity buffer architecture reduces the complexity and cost of the USB device.

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patent: 2006/0036558 (2006-02-01), Mathews
Compaq, et al., Universal Serial Bus Specification, Revision 2.0, Apr. 27, 2000, pp. 324-331.
International Search Report for International U.S. Appl. No. PCT/US06/33412 mailed Sep. 14, 2007, 1 page.
Written Opinion of the International Searching Authority for International U.S. Appl. No. PCT/US06/33412 mailed Sep. 14, 2007; 4 pages.

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