Method and apparatus for the detection of surface blemishes
CA 1285331 C · Owner: Daimler-Benz Ag · Inventors: Klenk, Jurgen; Junemann, Gerhard; Krasowski, Horst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a method for the detection of blemishes on the surface of an object, e.g. for the detection of blemishes in the paintwork on the surface of a motor vehicle body, a strip of light is produced on the surface by means of a lighting system, and this strip of light is moved over the surface by relative movement between the lighting system and the surface; strip-like sections of the surface of the object are in each case recorded stepwise in the region of the strip of light, the step size of successive recordings being smaller than the width of the strip of light. In an apparatus for carrying out this method the, lighting system comprises at least one lighting unit with a light exit window, …
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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 25, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2008.
- 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.