Electronic instrument for measuring the overall phase and amplitude distortion of a transmission channel
CA 1194547 A · Owner: Telecom Italia S.P.A. · Inventors: Fausone, Alfredo; Fabbri, Bruno
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An instrument for measuring the overall phase and amplitude distortion between the ends of a transmission channel includes a pulse generator placed at one end and a circuit placed at the other end which regenerates the pulses and compares them with those received displaying the vector difference of their spectral components on a spectrum analyzer.
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 October 1, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2002.
- 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.