Inventor
JASPER STEVEN C
US41 patents
⚠️ This page may combine multiple inventors who share the name “JASPER STEVEN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
40 patentsUS5533004AJul 2, 1996
Method for providing and selecting amongst multiple data rates in a time division multiplexed system
MOTOROLA INC193 citations99
US5381449AJan 10, 1995
Peak to average power ratio reduction methodology for QAM communications systems
MOTOROLA INC194 citations99
US5263196ANov 16, 1993
Method and apparatus for compensation of imbalance in zero-if downconverters
MOTOROLA INC172 citations99
US4701934AOct 20, 1987
Method of doppler searching in a digital GPS receiver
MOTOROLA INC303 citations99
US6201955B1Mar 13, 2001
Method and apparatus for receiving a radio frequency signal using a plurality of antennas
MOTOROLA INC111 citations98
US4785463ANov 15, 1988
Digital global positioning system receiver
MOTOROLA INC573 citations98
US4675882AJun 23, 1987
FM demodulator
MOTOROLA INC178 citations98
US5638403AJun 10, 1997
Low-splatter peak-to-average signal reduction with interpolation
MOTOROLA INC111 citations97
US5406588AApr 11, 1995
Method and apparatus for mitigating distortion effects in the determination of signal usability
MOTOROLA INC61 citations96
US5241544AAug 31, 1993
Multi-channel tdm communication system slot phase correction
MOTOROLA INC84 citations96
US5140615AAug 18, 1992
Maximal ratio diversity combining technique
MOTOROLA INC72 citations96
US4893316AJan 9, 1990
Digital radio frequency receiver
MOTOROLA INC542 citations96
US4652832AMar 24, 1987
Frequency resolution in a digital oscillator
MOTOROLA INC63 citations96
US6441786B1Aug 27, 2002
Adaptive antenna array and method for control thereof
MOTOROLA INC116 citations95
US6167275ADec 26, 2000
Method and apparatus for determining a location of a communication unit in a wireless communication system
MOTOROLA INC64 citations95
US5758275AMay 26, 1998
Method and apparatus for scheduling adaptation for a notch filter
MOTOROLA INC211 citations95
US5553102ASep 3, 1996
Diversity reception communication system with maximum ratio combining method
MOTOROLA INC87 citations95
US5343499AAug 30, 1994
Quadrature amplitude modulation synchronization method
MOTOROLA INC90 citations94
US5134635AJul 28, 1992
Convolutional decoder using soft-decision decoding with channel state information
MOTOROLA INC93 citations94
US4339823AJul 13, 1982
Phase corrected clock signal recovery circuit
MOTOROLA INC68 citations94
US5487091AJan 23, 1996
Method for determining signal usability in a diversity receiver
MOTOROLA INC46 citations93
US5469465ANov 21, 1995
Method and apparatus for mitigating distortion effects in the determination of signal usability
MOTOROLA INC39 citations93
US5440582AAug 8, 1995
Method and apparatus for determining signal usability
MOTOROLA INC45 citations93
US5396656AMar 7, 1995
Method for determining desired components of quadrature modulated signals
MOTOROLA INC30 citations93
US7471734B2Dec 30, 2008
Space-time transmit diversity scheme for time-dispersive propagation media
MOTOROLA INC23 citations92
US7072783B2Jul 4, 2006
Frequency and timing error estimation and corresponding channel characterization in a communication system
MOTOROLA INC19 citations92
US5715240AFeb 3, 1998
Communication device capable of estimating signal quality without synchronization pattern
MOTOROLA INC40 citations92
US5440590AAug 8, 1995
Method and apparatus for producing a usable signal from received diverse modulated signals
MOTOROLA INC28 citations92
US5377229ADec 27, 1994
Multi-modulation scheme compatible radio
MOTOROLA INC25 citations92
US4416017ANov 15, 1983
Apparatus and method for attenuating interfering signals
MOTOROLA INC32 citations92
US7126929B2Oct 24, 2006
Antenna method and apparatus
MOTOROLA INC8 citations74
US4922549AMay 1, 1990
Digital FM squelch detector
MOTOROLA INC15 citations74
US6396825B1May 28, 2002
Method and apparatus for using a pseudo-random signal in a communication system
MOTOROLA INC11 citations73
US4445223AApr 24, 1984
Apparatus and method for determining the presence and frequency of a periodic signal
MOTOROLA INC10 citations73
US4392138AJul 5, 1983
Apparatus and method for detecting and inhibiting signals interfering with a Loran C signal
MOTOROLA INC11 citations73
US5272724ADec 21, 1993
Wideband signal synchronization
MOTOROLA INC11 citations72
US7796633B2Sep 14, 2010
Range equalization transceiver system and method of using same
MOTOROLA INC5 citations63
US7257171B2Aug 14, 2007
Method and apparatus for reference symbol aided channel estimation
MOTOROLA INC3 citations62
US7233633B2Jun 19, 2007
Channel estimation using linearly constrained filter coefficients
MOTOROLA INC0 citations52
US7489733B2Feb 10, 2009
Channel estimation using a minimized channel prediction interval
MOTOROLA INC0 citations41