Diskette drive and media type determination
CA 1300746 C · Owner: Dayan, Richard A. · Inventors: Berens, Robert E.; Smith, Bruce A.; Dayan, Richard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
IBM Docket No. BC 9-84-012, DISKETTE DRIVE AND MEDIA TYPE DETERMINATION ABSTRACT, Diskette media and drive determination in which a diskette controller attempts to read the diskette according to a variety of formats having for-, instance, different data transfer rates. A successful read is registered by the controller and that format is thereafter identified with the diskette drive and the diskette media inserted in the drive. BC9-84-012
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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
- 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.