Inventor · disambiguated record
Joseph P. Heck
Also filed as: HECK JOSEPH P
38 granted patents·4 pending applications·1,981 citations·filing 1983–2017
98Inventor score
Top patents by PatentIndex Score
42 records- 0198US5483691AZero intermediate frequency receiver having an automatic gain control circuitMOTOROLA INC·Filed 1994·Granted Jan 9, 1996·279 cites·8 claims
- 0298US4653117ADual conversion FM receiver using phase locked direct conversion IFMOTOROLA INC·Filed 1985·Granted Mar 24, 1987·245 cites·17 claims
- 0397US5389839AIntegratable DC blocking circuitMOTOROLA INC·Filed 1993·Granted Feb 14, 1995·141 cites·17 claims
- 0496US5212827AZero intermediate frequency noise blankerMOTOROLA INC·Filed 1991·Granted May 18, 1993·262 cites·15 claims
- 0595US5392003AWide tuning range operational transconductance amplifiersMOTOROLA INC·Filed 1993·Granted Feb 21, 1995·86 cites·12 claims
- 0692US9712140B1Tunable multi-path filterMOTOROLA SOLUTIONS INC·Filed 2016·Granted Jul 18, 2017·8 cites·20 claims
- 0790US4755774ATwo-port synthesizer modulation system employing an improved reference phase modulatorMOTOROLA INC·Filed 1986·Granted Jul 5, 1988·73 cites·25 claims
- 0889US5898912ADirect current (DC) offset compensation method and apparatusMOTOROLA INC·Filed 1996·Granted Apr 27, 1999·198 cites·5 claims
- 0987US5444865AGenerating transmit injection from receiver first and second injectionsMOTOROLA INC·Filed 1991·Granted Aug 22, 1995·120 cites·3 claims
- 1086US9385763B1Method and apparatus for in-channel interference cancellationMOTOROLA SOLUTIONS INC·Filed 2015·Granted Jul 5, 2016·6 cites·4 claims
- 1186US8428544B2Heterodyne commutating mixer apparatusHECK JOSEPH P·Filed 2011·Granted Apr 23, 2013·9 cites·26 claims
- 1286US5548840ABalanced mixer circuit with improved linearityMOTOROLA INC·Filed 1994·Granted Aug 20, 1996·74 cites·9 claims
- 1385US4837853ADual port FM demodulation in phase locked receiversMOTOROLA INC·Filed 1987·Granted Jun 6, 1989·50 cites·8 claims
- 1481US6166668AMethod and apparatus for providing DC offset correction and hold capabilityMOTOROLA INC·Filed 1999·Granted Dec 26, 2000·49 cites·33 claims
- 1578US5446761ADecoder circuit for phase modulated signalsMOTOROLA INC·Filed 1993·Granted Aug 29, 1995·49 cites·16 claims
- 1676US7236763B2Method and apparatus providing improved mixer performance for radio receiversMOTOROLA INC·Filed 2004·Granted Jun 26, 2007·14 cites·19 claims
- 1775US6125272AMethod and apparatus providing improved intermodulation distortion protectionMOTOROLA INC·Filed 1998·Granted Sep 26, 2000·41 cites·19 claims
- 1875US5584062AMethod and apparatus for compensating phase locked receiversMOTOROLA INC·Filed 1995·Granted Dec 10, 1996·40 cites·13 claims
- 1972US5079526AFrequency modulated synthesizer using low frequency offset mixed VCOMOTOROLA INC·Filed 1990·Granted Jan 7, 1992·38 cites·12 claims
- 2069US8810316B2Method and apparatus for implementing a low noise amplifier with associated gain and input impedanceMOTOROLA SOLUTIONS INC·Filed 2012·Granted Aug 19, 2014·2 cites·22 claims
- 2164US6400218B1Variable gain control circuit for a receiver and method thereforMOTOROLA INC·Filed 2000·Granted Jun 4, 2002·10 cites·24 claims
- 2263US4829594AAdaptive correction of DC error transientsMOTOROLA INC·Filed 1986·Granted May 9, 1989·17 cites·10 claims
- 2363US4714899AFrequency synthesizerMOTOROLA INC·Filed 1986·Granted Dec 22, 1987·22 cites·16 claims
- 2462US5331293ACompensated digital frequency synthesizerMOTOROLA INC·Filed 1992·Granted Jul 19, 1994·23 cites·10 claims
- 2561US5109531ASideband receiver with pilot lockMOTOROLA INC·Filed 1989·Granted Apr 28, 1992·17 cites·16 claims
- 2660US8295825B2Method to facilitate late joining of a callPINDER ELLIS A·Filed 2010·Granted Oct 23, 2012·1 cites·29 claims
- 2756US5222253ATransient suppression circuit for a time domain duplex transceiverMOTOROLA INC·Filed 1990·Granted Jun 22, 1993·25 cites·10 claims
- 2855US4573210ANull initiated method and system for monitoring a priority channelMOTOROLA INC·Filed 1983·Granted Feb 25, 1986·11 cites·22 claims
- 2954US4748425AVCO range shift and modulation deviceMOTOROLA INC·Filed 1987·Granted May 31, 1988·13 cites·6 claims
- 3053US4864252ASample-and-hold phase detector for use in a phase locked loopMOTOROLA INC·Filed 1988·Granted Sep 5, 1989·10 cites·17 claims
- 3151US7162000B2Delay locked loop synthesizer with multiple outputs and digital modulationMOTOROLA INC·Filed 2002·Granted Jan 9, 2007·6 cites·43 claims
- 3248US6490326B1Method and apparatus to correct for in-phase and quadrature-phase gain imbalance in communication circuitryMOTOROLA INC·Filed 1999·Granted Dec 3, 2002·23 cites·10 claims
- 3347US9654159B2Systems for and methods of using a mirrored wideband baseband current for automatic gain control of an RF receiverMOTOROLA SOLUTIONS INC·Filed 2013·Granted May 16, 2017·0 cites·18 claims
- 3445US7184487B2Receiver with chopper stabilization and method thereofMOTOROLA INC·Filed 2004·Granted Feb 27, 2007·0 cites·17 claims
- 3542US10439850B2System and method for processing radiofrequency signals using modulation duty cycle scalingMOTOROLA SOLUTIONS INC·Filed 2017·Granted Oct 8, 2019·0 cites·18 claims
- 3642US10064204B2Method, device, and system for setting an operating parameter of a radio receiver based on a predicted radio signal environmentMOTOROLA SOLUTIONS INC·Filed 2016·Granted Aug 28, 2018·0 cites·18 claims
- 3742US5630215ARadio having a combined PLL and AFC loop and method of operating sameMOTOROLA INC·Filed 1995·Granted May 13, 1997·10 cites·31 claims
- 3842US4967407AContinuous transmission mode radio with control information monitoring capabilityMOTOROLA INC·Filed 1989·Granted Oct 30, 1990·9 cites·2 claims
- 3937US2003020090A1Structure including both compound semiconductor devices and silicon devices for optimal performance and function and method for fabricating the structureMOTOROLA INC·Filed 2001·Application pending·0 cites
- 4036US2003025116A1Semiconductor laminate configured for dividing into predetermined parts and method of manufacture thereforMOTOROLA INC·Filed 2001·Application pending·0 cites
- 4135US2007103235A1Inductorless broadband RF low noise amplifierMOTOROLA INC·Filed 2005·Application pending·0 cites
- 4234US2003020565A1MEMS resonators and methods for manufacturing MEMS resonatorsMOTOROLA INC·Filed 2001·Application pending·0 cites
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