Hybrid communications link adapter incorporating input/output and data communications technology
CA 1320004 C · Owner: Hewlett-Packard Company · Inventors: Keaveny, Thomas A.; Haagens, Randolph B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a data communications link adapter providing flow of data control and status information between an input/output (I/O) Backplane and a fiber opticFrontplane. The adapter represents a melding of I/O channel extender technology and data communications technology: a dedicated processor handles link layer protocol leaving to software only higher protocol layers; a flow-through architecture is provided by the adapter; a combination of windowing and handshaking are used; and a relatively short frame of sixteen bytes is employed. The adapter includes a backplane adapter portion which serves to interconnect host equipment a processor portion dedicated to, layer 3 (circuit …
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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 July 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 6, 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.