Assignee

ALCATEL ESPACE

FR85 patents

Top patents by PatentIndex Score

US5138249AAug 11, 1992

Circuit for regulating a parameter by means of a bidirectional current structure

ALCATEL ESPACE136 citations97

US6091373AJul 18, 2000

Feed device for a radiating element operating in dual polarization

ALCATEL ESPACE78 citations96

US5206655AApr 27, 1993

High-yield active printed-circuit antenna system for frequency-hopping space radar

ALCATEL ESPACE220 citations96

US5539420AJul 23, 1996

Multilayered, planar antenna with annular feed slot, passive resonator and spurious wave traps

ALCATEL ESPACE104 citations95

US5489913AFeb 6, 1996

Method of demodulating digitally modulated signals, and apparatus implementing such a method

ALCATEL ESPACE114 citations93

US5734349AMar 31, 1998

High capacity multibeam antenna with electronic scanning in transmission

ALCATEL ESPACE55 citations92

US5675288AOct 7, 1997

Method of linearizing a non-linear amplifier, linearization circuit and amplifier including a circuit of this kind

ALCATEL ESPACE152 citations92

US5652597AJul 29, 1997

Electronically-scanned two-beam antenna

ALCATEL ESPACE27 citations92

US5477229ADec 19, 1995

Active antenna near field calibration method

ALCATEL ESPACE81 citations92

US5248980ASep 28, 1993

Spacecraft payload architecture

ALCATEL ESPACE33 citations92

US5220334AJun 15, 1993

Multifrequency antenna, useable in particular for space telecommunications

ALCATEL ESPACE47 citations92

US5010348AApr 23, 1991

Device for exciting a waveguide with circular polarization from a plane antenna

ALCATEL ESPACE58 citations92

US6188719B1Feb 13, 2001

Radiocommunication system repeater

ALCATEL ESPACE64 citations91

US5917388AJun 29, 1999

Compact microwave module

ALCATEL ESPACE80 citations91

US5289193AFeb 22, 1994

Reconfigurable transmission antenna

ALCATEL ESPACE29 citations91

US5227749AJul 13, 1993

Structure for making microwave circuits and components

ALCATEL ESPACE48 citations91

US4731783AMar 15, 1988

Method and system for time division multiple access satellite telecommunications

ALCATEL ESPACE41 citations91

US5327147AJul 5, 1994

Microwave array antenna having sources of different widths

ALCATEL ESPACE22 citations90

US4764668AAug 16, 1988

System for locating an object provided with at least one passive target pattern

ALCATEL ESPACE64 citations90

US5828947AOct 27, 1998

Method of power regulation in a satellite telecommunication network with at least two satellites in view

ALCATEL ESPACE26 citations89

US5625867AApr 29, 1997

Method of handing off traffic in a low orbit satellite communication system serving terminals and communication system using a method of this kind

ALCATEL ESPACE41 citations89

US5434580AJul 18, 1995

Multifrequency array with composite radiators

ALCATEL ESPACE47 citations89

US5428814AJun 27, 1995

Space communications apparatus employing switchable band filters for transparently switching signals on board a communications satellite, payload architectures using such apparatus, and methods of implementing the apparatus and the architectures

ALCATEL ESPACE49 citations89

US4825720AMay 2, 1989

Wide scan drive mechanism for use in a vacuum

ALCATEL ESPACE40 citations89

US5410731AApr 25, 1995

Satellite telecommunications facility capable of covering a plurality of coverage areas

ALCATEL ESPACE42 citations88

US4965587AOct 23, 1990

Antenna which is electronically reconfigurable in transmission

ALCATEL ESPACE31 citations88

US5963845AOct 5, 1999

Satellite payload with integrated transparent channels

ALCATEL ESPACE59 citations87

US5373298ADec 13, 1994

Method of estimating the error in the calculation of the position of a mobile by a GPS receiver, and GPS receiver for implementing this method

ALCATEL ESPACE68 citations87

US5216384AJun 1, 1993

Programmable amplifier device

ALCATEL ESPACE56 citations87

US5038147AAug 6, 1991

Electronically scanned antenna

ALCATEL ESPACE37 citations87

US4965588AOct 23, 1990

Electronically scanned antenna

ALCATEL ESPACE25 citations87

US5897156AApr 27, 1999

Method of protecting a planetary rover vehicle

ALCATEL ESPACE48 citations86

US5796370AAug 18, 1998

Orientable antenna with conservation of polarization axes

ALCATEL ESPACE37 citations86

US5063338ANov 5, 1991

Power module for electronic control of a dc motor

ALCATEL ESPACE38 citations86

US5927652AJul 27, 1999

System for observation of geostationary satellites, use of a system of this kind and corresponding observation methods

ALCATEL ESPACE28 citations85

US5576660ANov 19, 1996

Broadband predistortion linearizer with automatic temperature compensation for microwave amplifiers

ALCATEL ESPACE34 citations84

US5561837AOct 1, 1996

Memory relay system for observation satellites

ALCATEL ESPACE34 citations84

US5027090AJun 25, 1991

Filter having a dielectric resonator

ALCATEL ESPACE22 citations84

US6125155ASep 26, 2000

Broad-band digital filtering method and a filter implementing the method

ALCATEL ESPACE38 citations83

US5235295AAug 10, 1993

Microwave equalizer suitable for aerospace applications

ALCATEL ESPACE23 citations83

US5881367AMar 9, 1999

Method of regulating the power of a signal transmitted by a first station to a second station in a satellite telecommunication network

ALCATEL ESPACE19 citations81

US5264852ANov 23, 1993

Satellite equipment for measuring the backscatter coefficient of the sea

ALCATEL ESPACE34 citations81

US5138250AAug 11, 1992

Method of controlling a chopper regulator and a circuit implementing said method

ALCATEL ESPACE20 citations81

US5067672ANov 26, 1991

Method of placing a geostationary telecommunicaiton satellite in orbit

ALCATEL ESPACE44 citations81

US4928317AMay 22, 1990

Radio-optical transmission system, in particular for space telecommunications

ALCATEL ESPACE43 citations81

US6018658AJan 25, 2000

Personal communications via low-orbiting moving and geostationary satellites

ALCATEL ESPACE30 citations80

Showing the top 50 of 85 patents by PatentIndex Score.

ALCATEL ESPACE

Top patents by PatentIndex Score

Circuit for regulating a parameter by means of a bidirectional current structure

Feed device for a radiating element operating in dual polarization

High-yield active printed-circuit antenna system for frequency-hopping space radar

Multilayered, planar antenna with annular feed slot, passive resonator and spurious wave traps

Miniaturized radio antenna element

Electrical regulation and energy transfer circuit

Diplexing radiating element

Low-orbit satellite communications system for terminals

Method of demodulating digitally modulated signals, and apparatus implementing such a method

High capacity multibeam antenna with electronic scanning in transmission

Method of linearizing a non-linear amplifier, linearization circuit and amplifier including a circuit of this kind

Electronically-scanned two-beam antenna

Active antenna near field calibration method

Spacecraft payload architecture

Multifrequency antenna, useable in particular for space telecommunications

Device for exciting a waveguide with circular polarization from a plane antenna

Radiocommunication system repeater

Compact microwave module

Reconfigurable transmission antenna

Structure for making microwave circuits and components

Method and system for time division multiple access satellite telecommunications

Microwave array antenna having sources of different widths

System for locating an object provided with at least one passive target pattern

Method of power regulation in a satellite telecommunication network with at least two satellites in view

Method of handing off traffic in a low orbit satellite communication system serving terminals and communication system using a method of this kind

Multifrequency array with composite radiators

Space communications apparatus employing switchable band filters for transparently switching signals on board a communications satellite, payload architectures using such apparatus, and methods of implementing the apparatus and the architectures

Wide scan drive mechanism for use in a vacuum

Satellite telecommunications facility capable of covering a plurality of coverage areas

Antenna which is electronically reconfigurable in transmission

Satellite payload with integrated transparent channels

Method of estimating the error in the calculation of the position of a mobile by a GPS receiver, and GPS receiver for implementing this method

Programmable amplifier device

Electronically scanned antenna

Electronically scanned antenna

Method of protecting a planetary rover vehicle

Orientable antenna with conservation of polarization axes

Power module for electronic control of a dc motor

System for observation of geostationary satellites, use of a system of this kind and corresponding observation methods

Broadband predistortion linearizer with automatic temperature compensation for microwave amplifiers

Memory relay system for observation satellites

Filter having a dielectric resonator

Broad-band digital filtering method and a filter implementing the method

Microwave equalizer suitable for aerospace applications

Method of regulating the power of a signal transmitted by a first station to a second station in a satellite telecommunication network

Satellite equipment for measuring the backscatter coefficient of the sea

Method of controlling a chopper regulator and a circuit implementing said method

Method of placing a geostationary telecommunicaiton satellite in orbit

Radio-optical transmission system, in particular for space telecommunications

Personal communications via low-orbiting moving and geostationary satellites