Apparatus for driving both single-ended and differential computer buses
CA 2108365 A1 · Owner: Fleming, Caroline M. · Inventors: Fleming, Caroline M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus and method for communicating between a plurality of devices on an electrical network (bus) that supports the Small Computer Systems Interface (SCSI) standard as described in American National Standards Institute (ANSI) SCSI-1 Specification X3T9.2 Rev. 17B. To communicate via the SCSI bus bus controlling circuitry, in a first device and counterpart circuitry in a second coupled device must conform to the SCSI standard which allows a particular SCSI bus to be one of two electrically different but functionally equivalent formats: single-ended or differential. To permit a device to communicate through either a single-ended or a differential SCSI bus, small adapter cards are used …
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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
- Filed January 15, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 15, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 15, 2014.
- 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.