Method and circuit for automatically communicating in two modes through a backplane
CA 1318979 C · Owner: Maskovyak, George D. · Inventors: Maskovyak, George D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and circuitry for communicating both byte transfer I/O data and file transfer I/O data to an individual I/O module through an equipment chassis backplane in a programmable controller. The byte transfer data is real time I/O data representing the status of I/O devices on an industrial machine or process. The file transfer data includes fault diagnostic data concerning conditions of the I/O devices in addition to their ON or OFF state. The circuitry is integrated into a single integrated circuit. The methods and circuitry are applicable to two different modes of addressing, one mode being used by earlier programmable controller processors and adapters and the other mode being used by …
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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 June 8, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 8, 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.