Inventor

MARRAH JEFFREY J

US18 patents

⚠️ This page may combine multiple inventors who share the name “MARRAH JEFFREY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MARRAH JEFFREY J

DELCO ELECTRONICS CORP

Analog/digital phase locked loop

Switched capacitor filters with continuous time control

Noise blanking circuit for AM stero

Multiple output operational amplifier

Compatible quadrature amplitude modulation detector system

Combined deemphasis circuit and noise blanker

Voltage controlled oscillator using dual modulus divider

FM Channel separation adjustment

Pilot cancellation circuit

Low distortion current mirror

Adaptive audio processor for am stereo signals

Held music history circuit

Switched capacitor pilot phase and magnitude detector

Closed-loop audio attenuator

DELPHI TECH INC

Hierarchically modulated OFDM communication from a satellite-based transmitter with reduced secondary data loss from clipping

RF receiver system having switched antenna diversity module

System and method of a stereo receiving system

Satellite receiver system