First in - first out memory array containing special bits for replacement addressing
CA 1080366 A · Owner: International Business Machines Corporation · Inventors: Campbell, John E.; Thompson, Gerhard R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A first in - first out auxiliary memory array for storing binary data wherein each member (word) of the array includes a special bit which is used in combination with the special bits of the other members comprising the same member set to form the address of the next member whose data is to be replaced. Each member comprises an identifier field a, data field and the aforementioned special bit. When a member set is addressed, each member of the set is read to determine whether there is a match on the respective identifier field. If there is a match, the data field of the same member is utilized. If there is no match on the identifier field of any member of the …
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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 24, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 1997.
- 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.