Column redundancy for content addressable memory
CA 2360897 C · Owner: Conversant Intellectual Property Management Inc. · Inventors: Vlasenko, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for adding redundancy to the data path of a content addressable memory array is disclosed herein. The disclosed system employs an array of memory elements supplemented by an array of redundant memory elements with a switching system and a redundancy control system to ensure that defective memory elements are not accessed. Additionally a pull down unit is employed on the search lines of non-operative memory elements to ensure that inaccurate search results are not reported.
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
- Filed October 31, 2001 and granted January 25, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 31, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 31, 2023.
- 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.