Inventor · disambiguated record
Stephen P. Caldwell
Also filed as: CALDWELL STEPHEN P · CALDWELL STEPHEN PUSEY
12 granted patents·479 citations·filing 1983–2004
93Inventor score
Top patents by PatentIndex Score
12 records- 0189US5661439AMethod and apparatus for cancelling phase noiseNORTHROP GRUMMAN CORP·Filed 1996·Granted Aug 26, 1997·55 cites·20 claims
- 0289US4580107APhase lock acquisition system having FLL for coarse tuning and PLL for fine tuningUS AIR FORCE·Filed 1984·Granted Apr 1, 1986·67 cites·6 claims
- 0384US5151661ADirect digital FM waveform generator for radar systemsWESTINGHOUSE ELECTRIC CORP·Filed 1991·Granted Sep 29, 1992·135 cites·10 claims
- 0483US5023572AVoltage-controlled oscillator with rapid tuning loop and method for tuning sameWESTINGHOUSE ELECTRIC CORP·Filed 1989·Granted Jun 11, 1991·44 cites·19 claims
- 0577US5548839AWide band radio-frequency converter having multiple use of intermediate frequency translatorsFiled 1994·Granted Aug 20, 1996·58 cites·11 claims
- 0671US7570201B1Radar exciter including phase compensation of the waveform generatorNORTHROP GRUMMAN CORP·Filed 2004·Granted Aug 4, 2009·30 cites·19 claims
- 0760US6081226AMulti-mode radar exciterNORTHROP GRUMMAN CORP·Filed 1998·Granted Jun 27, 2000·46 cites·20 claims
- 0843US4748399AMultichannel phase noise measurement systemUS AIR FORCE·Filed 1986·Granted May 31, 1988·11 cites·1 claims
- 0943US4546268ANarrow pulsewidth pulse generator circuit utilizing NPN microwave transistorsUS AIR FORCE·Filed 1983·Granted Oct 8, 1985·5 cites·7 claims
- 1040US4639688AWide-band phase locked loop amplifier apparatusUS AIR FORCE·Filed 1985·Granted Jan 27, 1987·5 cites·7 claims
- 1139US5467091ARadar and other communication systems having large bandwidth and large dynamic rangeWESTINGHOUSE ELECTRIC CORP·Filed 1994·Granted Nov 14, 1995·11 cites·43 claims
- 1236US5854604AHigh-power waveform generatorNORTHROP GRUMMAN CORP·Filed 1997·Granted Dec 29, 1998·12 cites·25 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →