Card or pass in plastic material incorporating an integrated memory circuit
CA 1319196 C · Owner: Urmet Sud S.P.A. · Inventors: Virdia, Antonio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
CARD OR PASS IN PLASTIC MATERIAL INCORPORATING AN INTEGRATED MEMORY CIRCUIT", A B S T R A C T, The present invention relates to a card or pass comprising at least two layers, suitably mated, of shock-resistant plastic film transparent to infrared light. Inside these layers identifica-, tion optical codes, readable in transparency by means of infrared rays, are printed. Inside these layers still a seat, suitably, shaped to receive an integrated memory circuit connected to the outside by means of four contacts, is provided. Each contact has a very precise function according to its connection with the circuit which comprises an integrated memory circuit of EEPROM technology with interfacing …
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
- Granted June 15, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 15, 2010.
- 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.