ALCATEL ESPACE
80Patents
0Active
80Granted
40Portfolio score
Filing activity: May 19, 1986 → Oct 20, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5206655A | High-yield active printed-circuit antenna system for frequency-hopping space radar | Electricity | 184 | Expired |
| US5138249A | Circuit for regulating a parameter by means of a bidirectional current structure | Electricity | 94 | Expired |
| US5675288A | Method of linearizing a non-linear amplifier, linearization circuit and amplifier including a circuit of this kind | Electricity | 84 | Expired |
| US5029062A | Electrical regulation and energy transfer circuit | Electricity | 74 | Expired |
| US5917388A | Compact microwave module | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5373298A | 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 | Physics | 55 | Expired |
| US5963845A | Satellite payload with integrated transparent channels | Electricity | 45 | Expired |
| US5539420A | Multilayered, planar antenna with annular feed slot, passive resonator and spurious wave traps | Electricity | 45 | Expired |
| US5055852A | Diplexing radiating element | Electricity | 43 | Expired |
| US5227749A | Structure for making microwave circuits and components | Electricity | 42 | Expired |
| US5668556A | Low-orbit satellite communications system for terminals | Electricity | 40 | Expired |
| US5477229A | Active antenna near field calibration method | Electricity | 39 | Expired |
| US5010348A | Device for exciting a waveguide with circular polarization from a plane antenna | Electricity | 39 | Expired |
| US6091373A | Feed device for a radiating element operating in dual polarization | Electricity | 38 | Expired |
| US5489913A | Miniaturized radio antenna element | Electricity | 36 | Expired |
| US6188719A | Radiocommunication system repeater | Electricity | 34 | Expired |
| US5428814A | 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 | Electricity | 32 | Expired |
| US5216384A | Programmable amplifier device | Electricity | 31 | Expired |
| US5625867A | Method of handing off traffic in a low orbit satellite communication system serving terminals and communication system using a method of this kind | Electricity | 30 | Expired |
| US4764668A | System for locating an object provided with at least one passive target pattern | Physics | 30 | Expired |
| US5063338A | Power module for electronic control of a DC motor | Electricity | 29 | Expired |
| US5576660A | Broadband predistortion linearizer with automatic temperature compensation for microwave amplifiers | Electricity | 27 | Expired |
| US6125155A | Broad-band digital filtering method and a filter implementing the method | Electricity | 27 | Expired |
| US5734349A | High capacity multibeam antenna with electronic scanning in transmission | Electricity | 27 | Expired |
| US5038147A | Electronically scanned antenna | Electricity | 27 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.