Adaptive quantiser
CA 2559101 C · Owner: Jaffa, David Asher · Inventors: Jaffa, David Asher
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adaptive quantiser holds a model of the output distribution which would be obtained by inputting an expected signal as a desired output distribution. The actual input signal is monitored and the quantisation steps modified in dependence thereon so that the desired output distribution is obtained. The adaptive quantiser has application in fields as diverse a speech processing and educational test grading.
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 January 31, 2005 and granted March 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 31, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.