Autovehicle check system
CA 2072600 A1 · Owner: Tak, Seung Ho · Inventors: Tak, Seung Ho
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The parity bar codes are arranged side by side adjacent to data bar code. Reference bar codes having a predetermined length and width are positioned adjacent to the data bar code and parity bar code, respectively, a bar code identification scanner compares actual identification data code and parity bar codes with the reference bar codes with a bar code identification angle being changed during the running of an autovehicle and corrects the data code and parity bar codes adjacent to each of reference bar codes by the angle difference between the actual code and the identified code as well as reads them. The corrected data are stored as the identification data at an inner RAM of the scanner. …
Read the whole patent
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 December 29, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 29, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 29, 2012.
- 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.