Inventor · disambiguated record
Roger K. Loper
Also filed as: LOPER ROGER K
10 granted patents·867 citations·filing 1981–2001
93Inventor score
Top patents by PatentIndex Score
10 records- 0195US5249203APhase and gain error control system for use in an i/q direct conversion receiverROCKWELL INTERNATIONAL CORP·Filed 1991·Granted Sep 28, 1993·185 cites·28 claims
- 0294US5095536ADirect conversion receiver with tri-phase architectureROCKWELL INTERNATIONAL CORP·Filed 1990·Granted Mar 10, 1992·183 cites·34 claims
- 0388US5095533AAutomatic gain control system for a direct conversion receiverROCKWELL INTERNATIONAL CORP·Filed 1990·Granted Mar 10, 1992·149 cites·4 claims
- 0486US5179730ASelectivity system for a direct conversion receiverROCKWELL INTERNATIONAL CORP·Filed 1990·Granted Jan 12, 1993·95 cites·12 claims
- 0586US4387334ABattery monitor circuitROCKWELL INTERNATIONAL CORP·Filed 1981·Granted Jun 7, 1983·62 cites·6 claims
- 0681US6862323B1Low pass filters for high dynamic range wideband direct conversion receiverROCKWELL COLLINS·Filed 2001·Granted Mar 1, 2005·21 cites·12 claims
- 0779US5604929ASystem for correcting quadrature gain and phase errors in a direct conversion single sideband receiver independent of the character of the modulated signalROCKWELL INTERNATIONAL CORP·Filed 1995·Granted Feb 18, 1997·58 cites·2 claims
- 0875US5230099ASystem for controlling phase and gain errors in an i/q direct conversion receiverROCKWELL INTERNATIONAL CORP·Filed 1991·Granted Jul 20, 1993·55 cites·30 claims
- 0965US5339040AAM demodulation receiver using digital signal processorROCKWELL INTERNATIONAL COPRORA·Filed 1993·Granted Aug 16, 1994·32 cites·21 claims
- 1063US4682123ADigital voice and data frequency modulation circuitROCKWELL INTERNATIONAL CORP·Filed 1986·Granted Jul 21, 1987·27 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →