Sequence versatile video system
CA 1238112 A · Owner: Geshwind, David M. · Inventors: Geshwind, David M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A video amusement system in which a player must direct his craft along branching paths and the corresponding scenery ahead of the craft, as observed from the vantage of the craft's cockpit, is displayed on a scree. To eliminate discontinuities in the display of the scenery the successive frames of scenery sequences corresponding to parrallel branching paths are interleaved. This allows the read head of the videodisc reader to read the frames of a praticular sequence without skipping more than a few tracks at a time, where on the skipped tracks are recorded the frames of the scenery sequences corresponding to parallel branching paths not selected by the player. In the first preferred …
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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
- Granted June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
- 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.