Sorin Cohn-Sfetcu

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Call set-up and spectrum sharing in radio communication on systems...
- Patent number 5,497,505
- Issue date Mar 5, 1996
- Northern Telecom Limited
- Mahshad Koohgoli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Call set-up and spectrum sharing in radio communication on systems...
- Patent number 5,276,908
- Issue date Jan 4, 1994
- Northern Telecom Limited
- Mahshad Koohgoli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detection of tones in sampled signals
- Patent number 4,363,100
- Issue date Dec 7, 1982
- Northern Telecom Limited
- David G. Agnew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signalling receiver for receiving PCM tones
- Patent number 4,203,008
- Issue date May 13, 1980
- Northern Telecom Limited
- Sorin Cohn-Sfetcu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE