Jeffrey J. Marrah

Person

Kokomo, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hierarchically modulated OFDM communication from a satellite-based...
- Patent number 7,903,629
- Issue date Mar 8, 2011
- Delphi Technologies, Inc.
- Glenn A. Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method of a stereo receiving system
- Patent number 7,668,525
- Issue date Feb 23, 2010
- Delphi Technologies, Inc.
- Raed S. Shatara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Satellite receiver system
- Patent number 7,623,594
- Issue date Nov 24, 2009
- Delphi Technologies, Inc.
- Jeffrey J. Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
RF receiver system having switched antenna diversity module
- Patent number 7,565,126
- Issue date Jul 21, 2009
- Delphi Technologies, Inc.
- Raed S. Shatara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase compensation circuit
- Patent number 6,917,794
- Issue date Jul 12, 2005
- Delphi Technologies, Inc.
- Jeffrey Joseph Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Weather band radio and method of tuning same
- Patent number 6,728,522
- Issue date Apr 27, 2004
- Delphi Technologies, Inc.
- Jeffrey Joseph Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile weather band radio and method
- Patent number 6,526,268
- Issue date Feb 25, 2003
- Delphi Technologies, Inc.
- Jeffrey Joseph Marrah
- G08 - SIGNALLING
Information Patent Grant
Low cost digital automatic alignment method and apparatus
- Patent number 5,991,609
- Issue date Nov 23, 1999
- Delco Electronics Corporation
- Jeffrey Joseph Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for reducing FM intrusion in AM receivers
- Patent number 5,937,337
- Issue date Aug 10, 1999
- Delco Electronics Corporation
- Jeffrey Joseph Marrah
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Noise blanking circuit for AM stero
- Patent number 5,261,004
- Issue date Nov 9, 1993
- Delco Electronics Corporation
- Gregory J. Manlove
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive audio processor for AM stereo signals
- Patent number 5,151,939
- Issue date Sep 29, 1992
- Delco Electronics Corporation
- Jeffrey J. Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple output operational amplifier
- Patent number 5,028,882
- Issue date Jul 2, 1991
- Delco Electronics Corporation
- Jeffrey J. Marrah
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switched capacitor filters with continuous time control
- Patent number 5,028,893
- Issue date Jul 2, 1991
- Delco Electronics Corporation
- Jeffrey J. Marrah
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Compatible quadrature amplitude modulation detector system
- Patent number 5,014,316
- Issue date May 7, 1991
- Delco Electronics Corporation
- Jeffrey J. Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Combined deemphasis circuit and noise blanker
- Patent number 4,975,953
- Issue date Dec 4, 1990
- Delco Electronics Corporation
- Richard A. Kennedy
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage controlled oscillator using dual modulus divider
- Patent number 4,972,446
- Issue date Nov 20, 1990
- Delco Electronics Corporation
- Richard A. Kennedy
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog/digital phase locked loop
- Patent number 4,970,474
- Issue date Nov 13, 1990
- Delco Electronics Corporation
- Richard A. Kennedy
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
FM Channel separation adjustment
- Patent number 4,959,859
- Issue date Sep 25, 1990
- Delco Electronics Corporation
- Gregory J. Manlove
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Held music history circuit
- Patent number 4,947,431
- Issue date Aug 7, 1990
- Delco Electronics Corporation
- Richard S. Stroud
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switched capacitor pilot phase and magnitude detector
- Patent number 4,933,974
- Issue date Jun 12, 1990
- Delco Electronics Corporation
- Jeffrey J. Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pilot cancellation circuit
- Patent number 4,932,058
- Issue date Jun 5, 1990
- Delco Electronics Corporation
- Jeffrey J. Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Closed-loop audio attenuator
- Patent number 4,901,350
- Issue date Feb 13, 1990
- Delco Electronics Corporation
- Fred J. Anderson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low distortion current mirror
- Patent number 4,882,548
- Issue date Nov 21, 1989
- Delco Electronics Corporation
- Jeffrey J. Marrah
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
HIERARCHICALLY MODULATED OFDM COMMUNICATION FROM A SATELLITE-BASED...
- Publication number 20100195482
- Publication date Aug 5, 2010
- Delphi Technologies, Inc.
- GLENN A. WALKER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Vehicle external speaker and communication system
- Publication number 20080273715
- Publication date Nov 6, 2008
- Chris R. Snider
- B60 - VEHICLES IN GENERAL
Information Patent Application
System and method of a stereo receiving system
- Publication number 20080214133
- Publication date Sep 4, 2008
- Raed S. Shatara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VEHICLE TELEMATICS SATELLITE DATA TRANSCEIVER UTILIZING FM RADIO CI...
- Publication number 20070281626
- Publication date Dec 6, 2007
- Paul J. Dobosz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RF receiver system having switched antenna diversity module
- Publication number 20070249312
- Publication date Oct 25, 2007
- Raed S. Shatara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless satellite radio distribution network
- Publication number 20070021053
- Publication date Jan 25, 2007
- Jeffrey J. Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Satellite receiver system
- Publication number 20060194562
- Publication date Aug 31, 2006
- Jeffrey J. Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Enhanced automatic gain control
- Publication number 20040043733
- Publication date Mar 4, 2004
- DELPHI TECHNOLOGIES, INC.
- Jeffrey J. Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Phase compensation circuit
- Publication number 20020146994
- Publication date Oct 10, 2002
- Jeffrey Joseph Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Jeffrey J. Marrah

Person

Patents Grantslast 30 patents

Hierarchically modulated OFDM communication from a satellite-based...

System and method of a stereo receiving system

Satellite receiver system

RF receiver system having switched antenna diversity module

Phase compensation circuit

Weather band radio and method of tuning same

Mobile weather band radio and method

Low cost digital automatic alignment method and apparatus

Method and apparatus for reducing FM intrusion in AM receivers

Noise blanking circuit for AM stero

Adaptive audio processor for AM stereo signals

Multiple output operational amplifier

Switched capacitor filters with continuous time control

Compatible quadrature amplitude modulation detector system

Combined deemphasis circuit and noise blanker

Voltage controlled oscillator using dual modulus divider

Analog/digital phase locked loop

FM Channel separation adjustment

Held music history circuit

Switched capacitor pilot phase and magnitude detector

Pilot cancellation circuit

Closed-loop audio attenuator

Low distortion current mirror

Patents Applicationslast 30 patents

HIERARCHICALLY MODULATED OFDM COMMUNICATION FROM A SATELLITE-BASED...

Vehicle external speaker and communication system

System and method of a stereo receiving system

VEHICLE TELEMATICS SATELLITE DATA TRANSCEIVER UTILIZING FM RADIO CI...

RF receiver system having switched antenna diversity module

Wireless satellite radio distribution network

Satellite receiver system

Enhanced automatic gain control

Phase compensation circuit