Inventor · disambiguated record
Desmond R. Armstrong
Also filed as: ARMSTRONG DESMOND R · ARMSTRONG DESMOND ROSS
9 granted patents·303 citations·filing 1974–1994
89Inventor score
Top patents by PatentIndex Score
9 records- 0197US4885477ADifferential amplifier and current sensing circuit including such an amplifierPHILIPS CORP·Filed 1988·Granted Dec 5, 1989·181 cites·12 claims
- 0291US5039878ATemperature sensing circuitPHILIPS CORP·Filed 1989·Granted Aug 13, 1991·78 cites·22 claims
- 0352US5451903ALow supply voltage output driverMOTOROLA INC·Filed 1994·Granted Sep 19, 1995·11 cites·8 claims
- 0450US4150303AMotor speed control circuitsPHILIPS CORP·Filed 1977·Granted Apr 17, 1979·11 cites·8 claims
- 0541US4117384ATachogenerator processing circuits and motor speed control systems including such circuitsPHILIPS CORP·Filed 1977·Granted Sep 26, 1978·7 cites·13 claims
- 0639US3942044AInterface receiverPHILIPS CORP·Filed 1974·Granted Mar 2, 1976·4 cites·17 claims
- 0738US4920321AAmplifier circuit arrangementPHILIPS CORP·Filed 1988·Granted Apr 24, 1990·5 cites·8 claims
- 0835US4771223AMotor speed control systemPHILIPS CORP·Filed 1987·Granted Sep 13, 1988·5 cites·5 claims
- 0931US4058743APulse generating circuitPHILIPS CORP·Filed 1975·Granted Nov 15, 1977·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →