Multiple process product interface detection for a low power radar level transmitter
CA 2323558 A1 · Owner: Richter, Brian E. · Inventors: Richter, Brian E.; Diede, Kurt C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a low power time domain reflectometry radar (LPTDRR) level transmitter (100) for calculating levels of first and second products (14 15) , in a tank (12). A termination (110) extends into the first and second products (14, 15) in the tank. A pulse generator (210) transmits a pulse along the termination (110) into the first and second products (14 15). A pulse , receiver (220) receives first and second reflected wave pulses corresponding to reflection of a first portion of the transmit pulse at a first product interface (127) and reflection of a second portion of the transmit pulse at a second product interface (128), respectively. A threshold controller (230) generates a …
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 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 2022.
- 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.