Alcatel Telspace
Patent Owner
Stats
- 5 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 27, 2001 most recent publication
Details
- 5 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 994 Total Citation Count
- Aug 27, 1991 Earliest Filing
- 36 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6018645 Method of changing the supervisor program installed in a receiver station for receiving a radio beam, a corresponding receiver station, and a corresponding radio data-transmission systemJan 10, 97Jan 25, 00[H04B]
5940410 Method of transmitting data reliably over N normal channels, and over at least one back-up channel, and a transmit end station, a receive end station, and a relay station corresponding to the methodJan 28, 97Aug 17, 99[H04L, G01R, H04J]
5663691 Estimator for estimating an operating defect in a quadrature modulator, and a modulation stage using the estimatorJan 11, 96Sep 02, 97[H04L]
5555547 Convolutional coding and viterbi decoding system transparent to phase skips of .pi. and .pi./2, with applications in TDMA transmissionFeb 15, 95Sep 10, 96[H04L]
5550521 Electrical ground connection between a coaxial connector and a microwave circuit bottom plateJan 25, 94Aug 27, 96[H01P]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6195396 Encoding/decoding system using 16-QAM modulation encoded in multi-level blocksExpiredDec 18, 96Feb 27, 01[H04L]
6108373 Process and device for detecting loss of carrier recovery and of determining the Eb/No ratio of a digital transmission linkExpiredDec 14, 94Aug 22, 00[H04B]
6081559 Apparatus for detecting the presence or the absence of a digitally modulated carrier, a corresponding receiver, and a corresponding methodExpiredNov 30, 95Jun 27, 00[H04L]
5943380 Robust phase estimator and recoverer for digital signals affected in particular by phase jitterExpiredMar 28, 97Aug 24, 99[H03D]
5929703 Method and device for modeling AM-AM and AM-PM characteristics of an amplifier, and corresponding predistortion methodExpiredAug 06, 97Jul 27, 99[H03F]
5901174 Equalizer-combiner for diversity receiver, receiver incorporating same and corresponding diversity reception methodExpiredJun 19, 97May 04, 99[G06F, H03H]
5875214 Device for initializing a viterbi decoder in a receiver for signals transmitted in the form of bursts, corresponding receiver and corresponding initialization methodExpiredFeb 16, 96Feb 23, 99[H03D]
5822384 Search method for acquisition of time synchronization between a spreading sequence of a receiver and that of a transmitterExpiredJun 16, 95Oct 13, 98[H04J]
5760645 Demodulator stage for direct demodulation of a phase quadrature modulated signal and receiver including a demodulator stage of this kindExpiredNov 12, 96Jun 02, 98[H04L, H03D]
5757834 Device for synchronizing branches of a Viterbi decoder included in a multidimensional trellis coded digital data receiverExpiredSep 20, 95May 26, 98[H03M]
5732114 Method of detecting reference symbols for a digital data receiverExpiredNov 02, 95Mar 24, 98[H04L]
5705958 Apparatus for correcting quadrature error in a modulator and/or in a demodulator for a signal having a plurality of phase states, a corresponding transmitter, and a corresponding receiverExpiredSep 26, 96Jan 06, 98[H04L, H03D, H03C]
5691672 Magnetic coupling device between a TEM line main conductor and a waveguide forming a .lambda.g/2 resonatorExpiredAug 02, 96Nov 25, 97[H01P]
5677932 Baseband estimator for estimating the amplitude/frequency characteristic of a multiphase signalExpiredDec 22, 94Oct 14, 97[H03H]
5675585 Method and system for interleaving and deinterleaving SDH framesExpiredJul 26, 95Oct 07, 97[H03M, H04J]
5548618 Device for detecting BPSK modulated singular words suitable for a TDMA analog modem and detection method used thereinExpiredJun 27, 94Aug 20, 96[H04J]
5546423 Spread spectrum digital transmission system using low-frequency pseudorandom encoding of the wanted information and spectrum spreading and compression method used in a system of this kindExpiredJun 08, 94Aug 13, 96[H04B]
5533050 System for receiving a phase and amplitude modulated digital signalExpiredJun 16, 94Jul 02, 96[H03K, H04L, H03H]
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