Point Grey Research Inc.

Stewart J Kingdon

Roderick A Barman

Vladimir Tucakov

Malcolm Steenburgh

Don Murray

Rod Barman

Timothy D Vlaar

The invention provides a method of synchronizing one or more devices on a first bus with one or more devices on a second bus. The method comprises acquiring timing information from the first bus and the second bus, determining a timing offset between the first bus and the second bus, and, broadcasting the timing offset to the one or more devices on the second bus so that the one or more devices on the second bus can adjust their timing to be synchronized with the one or more devices on the first bus.

Methods and apparatus for synchronizing devices on different serial data buses

A system for measuring dimensions of cuboid objects may be used to measure dimensions of boxes travelling on a conveyor. The system has a pair of digital cameras which obtain images of one or more lines projected by a projector on upper surfaces of the objects. The height of the upper surfaces can be determined by triangulation. Lengths and widths of the upper surfaces are measured by locating endpoints of the projected lines and fitting rectangles to the located endpoints. The system does not require rigid mounting of the projector relative to the cameras. A third camera may be used to determine speed and direction of the conveyor motion.

Method and system for dimensioning boxes or other cuboid objects

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Vancouver, Canada

Stewart J Kingdon