Photoarray for detecting time-dependent image data
CA 2609623 C · Owner: Delbruck, Tobi · Inventors: Delbruck, Tobi; Lichtsteiner, Patrick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The photoarray comprises a one- or two- dimensional array of cells (10) where , each cell (10) has a photosensor (D Tl - T4) generating a sensor signal , dependent on a light intensity at the cell (10) a first capacitor (Cl) being , charged by the time-derivative of the current at least one threshold detector , (T9 - TIl; T12 - T14) detecting if the voltage over the first capacitor (Cl) exceeds a threshold value and generating an output signal if yes and a , discharge device (T7) for discharging the first capacitor after occurrence of said output signal. Such a cell is generates an event only when the incoming light intensity changes, which reduces the amount of data to be processed from …
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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 29, 2006 and granted December 29, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 29, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.