Bubble domain system
CA 1062370 A · Owner: Rockwell International Corporation · Inventors: George, Peter K.; Oeffinger, Thomas R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, This invention relates to chip organization for use in BORAM systems in place of major-minor loop chips. In particular, a plurality of storage loops are arranged in suitable fashion. A subsidiary path is provided around a portion of each storage loop. This subsidiary path is arranged to be of substantially the same length as the loop portion which it parallels. Consequently, bubble domains may traverse either of these paths, selectively, within the same time duration. A switching mechanism is provided to determine which of the paths the information in the storage loop follows. A propagation path is arranged between the subsidiary path and a detector so that information can be …
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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 September 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 1996.
- 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.