Inventor · disambiguated record
Leonard R. Kahn
Also filed as: KAHN LEONARD · KAHN LEONARD R · KAHN LEONARD RICHARD
42 granted patents·1,266 citations·filing 1974–2001
98Inventor score
Top patents by PatentIndex Score
42 records- 0199US5394274AAnti-copy system utilizing audible and inaudible protection signalsFiled 1993·Granted Feb 28, 1995·245 cites·33 claims
- 0299US4433312AMethod and means for modulating wavesKAHN LEONARD R·Filed 1981·Granted Feb 21, 1984·140 cites·16 claims
- 0397US4811422AReduction of undesired harmonic componentsKAHN LEONARD R·Filed 1986·Granted Mar 7, 1989·104 cites·9 claims
- 0492US4358738ASignal presence determination method for use in a contaminated mediumKAHN LEONARD R·Filed 1976·Granted Nov 9, 1982·37 cites·16 claims
- 0590US4206317AReduction of adjacent channel interferenceKAHN LEONARD R·Filed 1977·Granted Jun 3, 1980·56 cites·17 claims
- 0688US4018994ACompatible AM stereophonic receiversKAHN LEONARD R·Filed 1975·Granted Apr 19, 1977·41 cites·54 claims
- 0787US4205202AMethod and means for improving the spectrum utilization of multichannel telephone systemsKAHN LEONARD R·Filed 1978·Granted May 27, 1980·34 cites·5 claims
- 0887US4131765AMethod and means for improving the spectrum utilization of communications channelsKAHN LEONARD R·Filed 1977·Granted Dec 26, 1978·36 cites·12 claims
- 0985US4688255ACompatible AM broadcast/data transmisison systemKAHN LEONARD R·Filed 1985·Granted Aug 18, 1987·50 cites·18 claims
- 1084US4194154ANarrow bandwidth network compensation method and apparatusKAHN LEONARD R·Filed 1978·Granted Mar 18, 1980·35 cites·15 claims
- 1183US4311877AMethod and means for improving the reliability of systems that transmit relatively wideband signals over two or more relatively narrowband transmission circuitsKAHN LEONARD R·Filed 1980·Granted Jan 19, 1982·55 cites·18 claims
- 1282US3944749ACompatible AM stereophonic receivers involving sideband separation at IF frequencyKAHN LEONARD R·Filed 1974·Granted Mar 16, 1976·26 cites·10 claims
- 1381US4192970AReduction of adjacent channel interferenceKAHN LEONARD R·Filed 1978·Granted Mar 11, 1980·30 cites·13 claims
- 1480US4160875ASecurity systemKAHN LEONARD R·Filed 1977·Granted Jul 10, 1979·28 cites·20 claims
- 1579US3939640ASystem for illuminating the display of a wrist watchKAHN LEONARD R·Filed 1974·Granted Feb 24, 1976·22 cites·10 claims
- 1678US4373115APredictive distortion reduction in AM stereo transmittersKAHN LEONARD R·Filed 1980·Granted Feb 8, 1983·28 cites·13 claims
- 1776US4850020AAsymmetrical sideband AM stereo transmissionKAHN LEONARD R·Filed 1987·Granted Jul 18, 1989·32 cites·15 claims
- 1874US6909381B2Aircraft collision avoidance systemFiled 2001·Granted Jun 21, 2005·45 cites·6 claims
- 1972US4143325AConstant amplitude interference squelch systemKAHN LEONARD R·Filed 1976·Granted Mar 6, 1979·22 cites·5 claims
- 2071US4176319ADouble sideband transmission systemKAHN LEONARD R·Filed 1975·Granted Nov 27, 1979·20 cites·18 claims
- 2165US4424593ASuppressed carrier communications systemKAHN LEONARD R·Filed 1982·Granted Jan 3, 1984·23 cites·16 claims
- 2264US4426728AMultiple system AM stereo receiver and pilot signal detectorKAHN LEONARD R·Filed 1981·Granted Jan 17, 1984·16 cites·17 claims
- 2364US4018996ACommunication network protection systemKAHN LEONARD R·Filed 1976·Granted Apr 19, 1977·8 cites·7 claims
- 2463US4295106AMethod and means for introducing additional asymmetry into audio wavesKAHN LEONARD·Filed 1979·Granted Oct 13, 1981·15 cites·16 claims
- 2561US4896371ASynchronous AM transmission system having reduced self interference effectsKAHN LEONARD R·Filed 1987·Granted Jan 23, 1990·17 cites·7 claims
- 2657US3973203ACarrier isolation systemKAHN LEONARD R·Filed 1974·Granted Aug 3, 1976·9 cites·9 claims
- 2756US4569073AAsymmetrical sideband transmissionKAHN LEONARD R·Filed 1984·Granted Feb 4, 1986·12 cites·6 claims
- 2851US4220818AAM Stereo transmitterKAHN LEONARD R·Filed 1979·Granted Sep 2, 1980·8 cites·8 claims
- 2944US4653095AAM stereo receivers having platform motion protectionKAHN LEONARD R·Filed 1986·Granted Mar 24, 1987·8 cites·7 claims
- 3044US4641341AAutomatic multi-system AM stereo receiver using existing single-system AM stereo decoder ICKAHN LEONARD R·Filed 1985·Granted Feb 3, 1987·8 cites·5 claims
- 3144US3952251ANarrow bandwidth, compatible single sideband (CSSB) transmission system, and three tone generator used thereinKAHN LEONARD R·Filed 1974·Granted Apr 20, 1976·5 cites·26 claims
- 3243US4205201AMethod and means for reducing intelligible crosstalk in telephone systemsKAHN LEONARD R·Filed 1978·Granted May 27, 1980·5 cites·5 claims
- 3343US4099025AMethods and means for avoiding false indications of activity in a multimicrophone systemKAHN LEONARD R·Filed 1976·Granted Jul 4, 1978·10 cites·11 claims
- 3442US4521906ASpeaker systems for producing balanced stereo images at multiple locationsKAHN LEONARD R·Filed 1983·Granted Jun 4, 1985·6 cites·1 claims
- 3542US4217661AAudio signal transmission system and method incorporating automatic frequency correctionKAHN LEONARD R·Filed 1975·Granted Aug 12, 1980·6 cites·10 claims
- 3640US4227052AMethod and means for reducing false alarm rates in security systemsKAHN LEONARD R·Filed 1978·Granted Oct 7, 1980·3 cites·10 claims
- 3739US5625893ASatellite communications system with receiver distortion correction which is controlled by up-link transmission equipmentFiled 1993·Granted Apr 29, 1997·9 cites·2 claims
- 3837US4747141AAM stereo signal decoderKAHN LEONARD R·Filed 1983·Granted May 24, 1988·4 cites·12 claims
- 3937US4479153ASquelch and message storage system and methodKAHN LEONARD R·Filed 1979·Granted Oct 23, 1984·2 cites·2 claims
- 4036US4819268ATransmitter having means for controlling undesired out-of-band radiationKAHN LEONARD R·Filed 1987·Granted Apr 4, 1989·4 cites·7 claims
- 4132US5023909AMulti-system AM stereo receiver having preferred mode of operationKAHN LEONARD R·Filed 1989·Granted Jun 11, 1991·2 cites·3 claims
- 4230US4769842AAsymmetrical sideband transmission with pseudo-stereo effectsKAHN LEONARD R·Filed 1987·Granted Sep 6, 1988·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →