Sight enhancement device
CA 2436859 A1 · Owner: Betacom Corporation Inc. · Inventors: Bevers, Dave; Strong, Graham
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A digital video telescope to support a person with vision impairment due to , adjacent target objects being too small too distant, or too poorly contrasted to be adequately perceived. The user of the telescope provides real-time image processing with a variable zoom control to locate and magnify the target object and use a contrast enhancement feature to clarify and therefore identify the object. The telescope has additional features that facilitate the real-time processing of object images in adverse viewing situations such as , low light conditions and high levels of background light conditions. The telescope allows the user to dynamically tune out distracting information present …
Read the whole patent
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 December 5, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 5, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 5, 2023.
- 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.