Request-and-respond approach to reducing latency within a tracking system
CA 2335994 A1 · Owner: Retinal Displays, Inc. · Inventors: Storey, John J.; Purser, Mark
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of managing latency in a system for tracking movement of an object includes providing a request-and-response mechanism for transferring tracking data across a communication link. In one embodiment the object for which , movement is to be tracked is a human head and the system is a virtual reality system. Packets (34) of the tracking data may be generated using a conventional sensor processing (32) technology but the packets are , transferred via the communications link to an image processing capability (46), such as that of a host computer (26). The packets are generated at a fixed sample rate that is a synchronous with respect to the processing requirements of the host …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed June 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 22, 2021.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.