lsusb - Unique
Bus 010 Device 002: ID 046d:08b3 Logitech, Inc. QuickCam Zoom
Bus 010 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 009 Device 002: ID 046d:c512 Logitech, Inc. LX-700 Cordless Desktop Receiver
Bus 009 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 03f0:6b11 Hewlett-Packard Photosmart C4500 series
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 0644:0200 TEAC Corp. All-In-One Multi-Card Reader CA200/B/S
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 13b1:0020 Linksys WUSB54GC v1 802.11g Adapter [Ralink RT73]
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub