Scanning optical card reader
CA 1237195 A · Owner: Lasercard Corporation · Inventors: Pierce, Gerald A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Scanning Optical Card Reader An optical data card random access information system featuring a data card with data tracks transverse to the lengthwise direction of motion of the card in a transport. An electromechanical actuator having an arm, parallel to the tracks, supports a light source for illuminating a track as well as a charge coupled device linear array detector for reading data. Light is directed onto a desired track to be read and preferably the entire track is imaged onto elements of the detector array so that an entire track may be read simultaneously. The card is supported by a carriage which advances the card in the card's lengthwise direction under control of a motor. 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 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2005.
- 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.