Device for the optical identification of a coding on a diagnostic test strip
CA 1187610 A · Owner: Boehringer Mannheim G.M.B.H. · Inventors: Ruppender, Uwe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a device for the optical identification of a bar coding on a diagnostic test strip in an evaluation device in which the test strip is positively movable relative to a reading device for the coding, with a source of light as a transmitter and a light-sensitive element as a receiver, wherein the bar coding has a high information density, between the test strip and the transmitter and/or between the test strip and the receiver there is, in each case, present a slit aperture and a cylindrical lens, the lens axis runs parallel to the test strip surface carrying the coding and to the code bars, the aperture slit lies in the plane defined by the cylinder axis and the …
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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 21, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 21, 2002.
- 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.