Symbol scanning system and method having adaptive pattern generation and adaptive controls
CA 2097361 A1 · Owner: Swartz, Jerome · Inventors: Swartz, Jerome; Bard, Simon; Metlitsky, Boris
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A symbol scanning system which adaptively changes scanning system parameters including light beam pattern and focus to improve barcode readability. The scanning system including: a scanner, responsive to coordinate control signals for directing a, light beam in a pattern at a symbol at a predetermined location detecting a reflected portion of the light beam and generating a, feedback signal corresponding to the detected portion of the reflected light beam; a microprocessor responsive to the feedback, signal, for generating pattern control signals; a pattern generator for generating the coordinate control signals in responsive to the pattern control signals and for determining the light beam …
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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 31, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 31, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 31, 2015.
- 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.