Automatic bar code symbol reading system and method of reading bar code symbols using the same
CA 2132899 A1 · Owner: Metrologic Instruments, Inc. · Inventors: German, Gene; Wilz, David M.; Colavito, Stephen J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a fully automatic bar code symbol reading system having at least one automatic (i.e. triggerless) portable bar code symbol reading device and an associated, base unit positioned within the data transmission range thereof without a physical wiring connection thereto. After each successful reading of a bar code symbol the bar code, symbol reading device automatically produces symbol character data representative of the decoded bar code symbol synthesizes a group of data packets each containing the symbol character data, and then transmits the synthesized group of data packets to the base unit. Upon the successful receipt of one of the transmitted data packets and the recovery of …
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 September 26, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 26, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 26, 2016.
- 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.