Digital method for detecting pulses of short duration
CA 2191653 C · Owner: Wolf, Gunter · Inventors: Wolf, Gunter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A digital method for detecting pulses of short duration. During this process a threshold value is formed using FIR filters with the assistance of a detection method similar to one in radar technology by means of which threshold value short pulses to be detected can be distinguished from in contrast, long pulses. The cut-off length of the pulses to be detected can be set in further ranges by way of simple parameter changes in the circuit. An arrangement for implementing the method is also disclosed.
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 November 29, 1996 and granted July 24, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 29, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 29, 2018.
- 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.