Assignee

MARELLI AUTRONICA

IT46 patents

Top patents by PatentIndex Score

US4412169AOct 25, 1983

Circuit for detecting and indicating faults and operating anomalies in a system for recharging electric accumulators

MARELLI AUTRONICA200 citations96

US5142236AAug 25, 1992

Switched-capacitor circuit having a full-wave-rectifying and integrating function

MARELLI AUTRONICA101 citations94

US5313114AMay 17, 1994

Method and apparatus for measuring an unknown capacitance using a known reference capacitance

MARELLI AUTRONICA47 citations89

US5254935AOct 19, 1993

Monitoring circuit for a system for recharging a motor vehicle battery

MARELLI AUTRONICA48 citations89

US4950974AAug 21, 1990

Circuit for piloting an inductive load, particularly for controlling the electro-injectors of a diesel engine

MARELLI AUTRONICA38 citations89

US4793189ADec 27, 1988

Thick-film strain gauge for sensing stresses & strains in mechanical members or structures

MARELLI AUTRONICA34 citations89

US4937518AJun 26, 1990

Electrical inclination sensor and a monitoring circuit for the sensor

MARELLI AUTRONICA30 citations87

US5015878AMay 14, 1991

Circuit for processing the signal generated by a variable-reluctance electromagnetic rotation sensor

MARELLI AUTRONICA24 citations86

US5673194ASep 30, 1997

Recording system for a production line

MARELLI AUTRONICA62 citations85

US4862866ASep 5, 1989

Circuit for the piloting of inductive loads, particularly for operating the electro-injectors of a diesel-cycle internal combustion engine

MARELLI AUTRONICA28 citations85

US5127388AJul 7, 1992

Ignition system for an internal combustion engine

MARELLI AUTRONICA40 citations82

US4915086AApr 10, 1990

Variable-energy-spark ignition system for internal combustion engines, particularly for motor vehicles

MARELLI AUTRONICA37 citations81

US4456870AJun 26, 1984

Split windings motor vehicle alternator

MARELLI AUTRONICA40 citations81

US4966039AOct 30, 1990

Electrical force and/or deformation sensor, particularly for use as a pressure sensor

MARELLI AUTRONICA21 citations80

US4541284ASep 17, 1985

Device for monitoring the pressure of fluid in a duct

MARELLI AUTRONICA26 citations76

US5146777ASep 15, 1992

Device for detecting pinking, cylinder by cylinder, in a multi-cylinder otto engine

MARELLI AUTRONICA8 citations72

US4967718ANov 6, 1990

Ignition system for an internal combustion engine using thyristors

MARELLI AUTRONICA9 citations72

US4964377AOct 23, 1990

Ignition system for an internal combustion engine

MARELLI AUTRONICA13 citations72

US4943776AJul 24, 1990

Device and a method for the detection of pinking in Otto engines

MARELLI AUTRONICA11 citations71

US5195011AMar 16, 1993

Circuit for interfacing between a microprocessor and a plurality of power stages, particularly for controlling electro-injectors

MARELLI AUTRONICA7 citations70

US5173832ADec 22, 1992

Electrical circuit, particularly an electronic power circuit for motor vehicle injection systems, with a function for the detection and diagnosis of faults, and the related method

MARELLI AUTRONICA20 citations70

US5132605AJul 21, 1992

System for recharging the battery of a motor vehicle

MARELLI AUTRONICA13 citations70

US4732044AMar 22, 1988

Pressure measuring device

MARELLI AUTRONICA13 citations70

US5313121AMay 17, 1994

Circuit for processing signals supplied by a zirconium-type oxygen sensor

MARELLI AUTRONICA15 citations69

US4561296ADec 31, 1985

Diagnostic device for a system for controlling the stopping and restarting of a internal combustion engine for motor vehicles

MARELLI AUTRONICA8 citations68

US5173654ADec 22, 1992

Voltage-regulator circuit for a system for recharging the battery of a motor vehicle

MARELLI AUTRONICA11 citations67

US4933805AJun 12, 1990

Circuit for controlling inductive loads, particularly for the operation of the electro-injectors of a diesel-engine

MARELLI AUTRONICA15 citations66

US4718683AJan 12, 1988

Linear displacement-electrical signal transducer, particularly for automatic levelling devices for motor vehicle suspensions

MARELLI AUTRONICA14 citations66

US4771261ASep 13, 1988

Method for achieving the electrical and mechanical interconnection of two bodies, particularly the diaphragm and the support of a thick-film pressure sensor, and devices made by this method

MARELLI AUTRONICA8 citations64

US4660534AApr 28, 1987

Electronic ignition system with static distribution for a carburettor engine

MARELLI AUTRONICA8 citations64

US5151646ASep 29, 1992

Battery-recharging system for a motor vehicle

MARELLI AUTRONICA8 citations63

US4965777AOct 23, 1990

Very-high-pressure transducer, particularly for detecting the pressure of a hydraulic fluid

MARELLI AUTRONICA12 citations62

US5289105AFeb 22, 1994

Voltage-regulator circuit for a system for recharging the battery of a motor vehicle

MARELLI AUTRONICA5 citations61

US5155396AOct 13, 1992

Integrated interface circuit for processing the signal supplied by a capacitive sensor

MARELLI AUTRONICA5 citations61

US5329209AJul 12, 1994

Self-oscillating circuit for driving a gas discharge lamp, particularly for use on board a motor vehicle

MARELLI AUTRONICA4 citations60

US4748853AJun 7, 1988

Interface circuit between a sensor, particularly a thick film pressure sensor and an electrodynamic instrument, and a sensor incorporating such a circuit

MARELLI AUTRONICA3 citations60

US5113316AMay 12, 1992

System for the assembly and connection of electronic circuit boards, particularly for use in motor vehicles

MARELLI AUTRONICA12 citations59

US4775850AOct 4, 1988

Thick-film sensor, particularly a pressure sensor

MARELLI AUTRONICA3 citations59

US4799471AJan 24, 1989

Electronic system for controlling the ignition of an internal combustion engine, particularly for motor vehicles

MARELLI AUTRONICA6 citations56

US4767163AAug 30, 1988

Motor vehicle braking system with a wheel anti-locking function with vacuum sensor

MARELLI AUTRONICA2 citations53

US5015879AMay 14, 1991

Circuit for processing the signal generated by a variable-reluctance electromagnetic rotation sensor

MARELLI AUTRONICA6 citations51

US4740737AApr 26, 1988

Constant-current control circuit for a stepped motor of single-pole type, particularly for use in motor vehicles

MARELLI AUTRONICA4 citations45

MARELLI AUTRONICA

Top patents by PatentIndex Score

Circuit for detecting and indicating faults and operating anomalies in a system for recharging electric accumulators

Switched-capacitor circuit having a full-wave-rectifying and integrating function

Comparator circuit with precision hysteresis and high input impedance

Pressure sensor

Device for controlling a gas-discharge lamp for use in a motor vehicle

Electrical inclination sensor and method for its manufacture

Method and apparatus for measuring an unknown capacitance using a known reference capacitance

Monitoring circuit for a system for recharging a motor vehicle battery

Circuit for piloting an inductive load, particularly for controlling the electro-injectors of a diesel engine

Thick-film strain gauge for sensing stresses &amp; strains in mechanical members or structures

Electrical inclination sensor and a monitoring circuit for the sensor

Circuit for processing the signal generated by a variable-reluctance electromagnetic rotation sensor

Recording system for a production line

Circuit for the piloting of inductive loads, particularly for operating the electro-injectors of a diesel-cycle internal combustion engine

Ignition system for an internal combustion engine

Variable-energy-spark ignition system for internal combustion engines, particularly for motor vehicles

Split windings motor vehicle alternator

Electrical force and/or deformation sensor, particularly for use as a pressure sensor

Device for monitoring the pressure of fluid in a duct

Device for detecting pinking, cylinder by cylinder, in a multi-cylinder otto engine

Ignition system for an internal combustion engine using thyristors

Ignition system for an internal combustion engine

Device and a method for the detection of pinking in Otto engines

Circuit for interfacing between a microprocessor and a plurality of power stages, particularly for controlling electro-injectors

Electrical circuit, particularly an electronic power circuit for motor vehicle injection systems, with a function for the detection and diagnosis of faults, and the related method

System for recharging the battery of a motor vehicle

Pressure measuring device

Circuit for processing signals supplied by a zirconium-type oxygen sensor

Diagnostic device for a system for controlling the stopping and restarting of a internal combustion engine for motor vehicles

Voltage-regulator circuit for a system for recharging the battery of a motor vehicle

Circuit for controlling inductive loads, particularly for the operation of the electro-injectors of a diesel-engine

Linear displacement-electrical signal transducer, particularly for automatic levelling devices for motor vehicle suspensions

Method for achieving the electrical and mechanical interconnection of two bodies, particularly the diaphragm and the support of a thick-film pressure sensor, and devices made by this method

Electronic ignition system with static distribution for a carburettor engine

Battery-recharging system for a motor vehicle

Very-high-pressure transducer, particularly for detecting the pressure of a hydraulic fluid

Voltage-regulator circuit for a system for recharging the battery of a motor vehicle

Integrated interface circuit for processing the signal supplied by a capacitive sensor

Self-oscillating circuit for driving a gas discharge lamp, particularly for use on board a motor vehicle

Interface circuit between a sensor, particularly a thick film pressure sensor and an electrodynamic instrument, and a sensor incorporating such a circuit

System for the assembly and connection of electronic circuit boards, particularly for use in motor vehicles

Thick-film sensor, particularly a pressure sensor

Electronic system for controlling the ignition of an internal combustion engine, particularly for motor vehicles

Motor vehicle braking system with a wheel anti-locking function with vacuum sensor

Circuit for processing the signal generated by a variable-reluctance electromagnetic rotation sensor

Constant-current control circuit for a stepped motor of single-pole type, particularly for use in motor vehicles

Thick-film strain gauge for sensing stresses & strains in mechanical members or structures