Inventor
IRWIN JAMES S
US30 patents
⚠️ This page may combine multiple inventors who share the name “IRWIN JAMES S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
22 patentsUS5323157AJun 21, 1994
Sigma-delta digital-to-analog converter with reduced noise
MOTOROLA INC247 citations98
US5357252AOct 18, 1994
Sigma-delta modulator with improved tone rejection and method therefor
MOTOROLA INC61 citations96
US4952889AAug 28, 1990
Loop filter modulated synthesizer
MOTOROLA INC59 citations95
US5504751AApr 2, 1996
Method and apparatus for extracting digital information from an asynchronous data stream
MOTOROLA INC50 citations92
US5057840AOct 15, 1991
Σ-Δmodulator for digital-to-analog converter
MOTOROLA INC28 citations92
US5030952AJul 9, 1991
Sigma-delta type analog to digital converter with trimmed output and feedback
MOTOROLA INC34 citations92
US4959624ASep 25, 1990
Coil-less overtone crystal oscillator
MOTOROLA INC46 citations92
US4862516AAug 29, 1989
System for automatically tuning the antenna of a miniature portable communications device
MOTOROLA INC55 citations92
US4817196AMar 28, 1989
Apparatus for tuning the antenna of a miniature personal communications device
MOTOROLA INC40 citations92
US4559505ADec 17, 1985
Frequency synthesizer with improved priority channel switching
MOTOROLA INC30 citations92
US5095287AMar 10, 1992
Phase locked loop having a charge pump with reset
MOTOROLA INC33 citations91
US3946397AMar 23, 1976
Inductor or antenna arrangement with integral series resonating capacitors
MOTOROLA INC29 citations82
US5999017ADec 7, 1999
CMOS implemented output buffer circuit for providing ECL level signals
MOTOROLA INC12 citations74
US4935707AJun 19, 1990
Current reduction of a synthesizer
MOTOROLA INC12 citations74
US6700451B1Mar 2, 2004
Cross coupled cascode voltage controlled oscillator
MOTOROLA INC9 citations73
US4785263ANov 15, 1988
FET oscillator circuit
MOTOROLA INC8 citations73
US5339079AAug 16, 1994
Digital-to-analog converter with a flexible data interface
MOTOROLA INC18 citations72
US5231395AJul 27, 1993
Sigma-delta digital-to-analog converter with reduced distortion
MOTOROLA INC15 citations72
US5220326AJun 15, 1993
Digital-to-analog converter with improved performance and method therefor
MOTOROLA INC16 citations72
US5339278AAug 16, 1994
Method and apparatus for standby recovery in a phase locked loop
MOTOROLA INC11 citations71
US5122799AJun 16, 1992
Multi-modulator digital-to-analog converter
MOTOROLA INC5 citations62
US4785264ANov 15, 1988
Dual FET oscillator
MOTOROLA INC3 citations62
UNISYS CORP
4 patentsUS5404527AApr 4, 1995
System and method for remote program load
UNISYS CORP140 citations95
US7024348B1Apr 4, 2006
Dialogue flow interpreter development tool
UNISYS CORP61 citations92
US7395206B1Jul 1, 2008
Systems and methods for managing and building directed dialogue portal applications
UNISYS CORP18 citations77
US7389213B2Jun 17, 2008
Dialogue flow interpreter development tool
UNISYS CORP3 citations59
MAGNECO METREL INC
4 patentsUS5632937AMay 27, 1997
Method of installing a refractory lining
MAGNECO METREL INC24 citations92
US5511762AApr 30, 1996
Consumable form with degradable lining
MAGNECO METREL INC8 citations73
US5795508AAug 18, 1998
Method of lining a blast furnace
MAGNECO METREL INC4 citations63
US5484138AJan 16, 1996
Consumable form with adjustable walls
MAGNECO METREL INC3 citations62