Apparatus for pre-processing sensor data
CA 1300266 C · Owner: Accuray Corporation · Inventors: Williams, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for pre-processing sensor data which express measurements of a varying physical property of a material (2) which is under inspection during production or processing thereof. A ratiometric A/D converter (12) sequentially receives data from a sensor such as a CCD image sensor contained in a camera (6). The A/D converter (12) is in communication with an addressable memory (22) which stores pairs of reference data associated with each pixel in the CCD array. The reference data pairs are communicated through two D/A converters (32,34) as inputs to the A/D converter (12) in a sequence corresponding to the sequence in which the A/D converter received associated pixel data. The A/D …
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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 May 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 2009.
- 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.