Inventor
MCCALLISTER RONALD D
US36 patents
⚠️ This page may combine multiple inventors who share the name “MCCALLISTER RONALD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SICOM INC
22 patentsUS6097764AAug 1, 2000
Pragmatic trellis-coded modulation system and method therefor
SICOM INC225 citations99
US6222878B1Apr 24, 2001
Communication system with end-to-end quadrature balance control
SICOM INC91 citations98
US6104761AAug 15, 2000
Constrained-envelope digital-communications transmission system and method therefor
SICOM INC47 citations96
US6041088AMar 21, 2000
Rapid synchronization for communication systems
SICOM INC61 citations96
US5553098ASep 3, 1996
Demodulator with selectable coherent and differential data
SICOM INC77 citations96
US5386202AJan 31, 1995
Data communication modulation with managed intersymbol interference
SICOM INC91 citations96
US6507628B1Jan 14, 2003
Distortion-compensated digital communications receiver and method therefor
SICOM INC47 citations93
US6154510ANov 28, 2000
Symbol timing recovery based on adjusted, phase-selected magnitude values
SICOM INC23 citations93
US5764102AJun 9, 1998
Multi-stage symbol synchronization
SICOM INC29 citations93
US5671257ASep 23, 1997
Symbol timing recovery based on complex sample magnitude
SICOM INC40 citations93
US5440265AAug 8, 1995
Differential/coherent digital demodulator operating at multiple symbol points
SICOM INC100 citations93
US6452948B1Sep 17, 2002
Method for baud-clock phase synchronization in a TDMA digital communications system and apparatus therefor
SICOM INC20 citations92
US6366619B1Apr 2, 2002
Constrained-envelope transmitter and method therefor
SICOM INC33 citations92
US6362701B1Mar 26, 2002
Digital communications modulator having an interpolator upstream of a linearizer and method therefor
SICOM INC16 citations92
US6337606B1Jan 8, 2002
Digital communications modulator having a modulation processor which supports high data rates
SICOM INC40 citations92
US6128282AOct 3, 2000
Network node controller and method for combining circuit and packet data
SICOM INC22 citations92
US5995551ANov 30, 1999
Rotationally invariant pragmatic trellis coded digital communication system and method therefor
SICOM INC37 citations92
US5878085AMar 2, 1999
Trellis coded modulation communications using pilot bits to resolve phase ambiguities
SICOM INC52 citations92
US6392500B1May 21, 2002
Rotationally invariant digital communications
SICOM INC47 citations90
US6078625AJun 20, 2000
Pragmatic decoder and method therefor
SICOM INC14 citations74
USRE41380EJun 15, 2010
Constrained-envelope digital-communications transmission system and method therefor
SICOM INC1 citations62
US6141389AOct 31, 2000
Digital tuner
SICOM INC6 citations59
CRESTCOM INC
6 patentsUS7295816B2Nov 13, 2007
Methods and apparatus for controlling signals
CRESTCOM INC28 citations93
US7783260B2Aug 24, 2010
Method and apparatus for adaptively controlling signals
CRESTCOM INC16 citations92
US7751786B2Jul 6, 2010
Method and apparatus for adaptively controlling signals
CRESTCOM INC16 citations92
US7747224B2Jun 29, 2010
Method and apparatus for adaptively controlling signals
CRESTCOM INC17 citations92
US7869767B2Jan 11, 2011
Method and apparatus for adaptively controlling signals
CRESTCOM INC7 citations84
US7251463B2Jul 31, 2007
Methods and apparatus for controlling signals
CRESTCOM INC9 citations74
MOTOROLA INC
4 patentsUS4611333ASep 9, 1986
Apparatus for despreading a spread spectrum signal produced by a linear feedback shift register (LFSR)
MOTOROLA INC67 citations93
US4500994AFeb 19, 1985
Multi-rate branch metric processor for maximum-likelihood convolutional decoder
MOTOROLA INC31 citations92
US4486846ADec 4, 1984
Numerically controlled oscillator using quadrant replication and function decomposition
MOTOROLA INC56 citations91
US4531224AJul 23, 1985
Low signal-to-noise ratio symbol synchronizer
MOTOROLA INC3 citations63