Photensitive input peripheral device in a personal computer-based video gaming platform
CA 2333451 A1 · Owner: Thanasack, Bounchanh · Inventors: Dietrich, Kevin; Shi, Minjie; Thanasack, Bounchanh
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An interactive video game computer system with a light sensitive peripheral device having a photosensitive transducer operating in conjunction with a personal computer platform. The gun or pen-shaped light-sensitive device is connected to a peripheral adapter coupled between the computer and a video monitor. The peripheral adapter captures the horizontal and vertical synchronization signals from the video adapter card in the computer and sends them to the light sensitive pheripheral device so that processing circuitry therein can generate a peripheral position signal indicative of the position of the field of view of the photosensitive transducer relative to the screen. The light …
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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 May 27, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 27, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 27, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
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.