Ultrasound process and circuits for carrying out same
CA 1338175 C · Owner: Siegert, Joachim · Inventors: Uhlendorf, Volkmar; Siegert, Joachim; Fritzsch, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to processes and circuits for the selective imaging and/or analysis of the Doppler spectrum by means of ultrasound in the case of objects which have a restricted resistance to sound intensity. The processes according to the invention make use of the possibility of producing non-linearities in the examination area by adding ultrasound contrast agents in order to obtain better pictures by analyzing additional frequency ranges.
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
- Granted March 19, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2013.
- 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.