Inventor · disambiguated record
Roger P. J. Alexis
Also filed as: ALEXIS ROGER · ALEXIS ROGER P J
7 granted patents·364 citations·filing 1980–1989
89Inventor score
Top patents by PatentIndex Score
7 records- 0192US4638479AMethod of two-way radiocommunication between fixed stations and mobile stationsPHILIPS CORP·Filed 1984·Granted Jan 20, 1987·72 cites·15 claims
- 0284US4783780AMethod and apparatus for selecting a free channel in a mobile radio systemPHILIPS CORP·Filed 1986·Granted Nov 8, 1988·167 cites·9 claims
- 0379US4346475AData transmission system operating on the spread spectrum principlePHILIPS CORP·Filed 1980·Granted Aug 24, 1982·33 cites·3 claims
- 0469US4577309AMethod and apparatus for measuring distant echo delay in an echo cancelling arrangementTRT TELECOM RADIO ELECTR·Filed 1983·Granted Mar 18, 1986·32 cites·11 claims
- 0557US4385381ADigital radio transmission system for transmitting a plurality of information signals by a network of transmitters having substantially the same carrier frequenciesPHILIPS CORP·Filed 1980·Granted May 24, 1983·19 cites·5 claims
- 0656US4645884AMethod and apparatus for initializing filter coefficients in an echo cancellerTRT TELECOM RADIO ELECTR·Filed 1984·Granted Feb 24, 1987·19 cites·6 claims
- 0755US5159704ATransceiver arrangement for optimizing received signal levelsTRT TELECOM RADIO ELECTR·Filed 1989·Granted Oct 27, 1992·22 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →