ALCATEL N.V.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H04B TRANSMISSION 34176
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 29256
 
 
 
H04J MULTIPLEX COMMUNICATION 23102
 
 
 
H04M TELEPHONIC COMMUNICATION 15148
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 12193
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 12435
 
 
 
H01S DEVICES USING STIMULATED EMISSION983
 
 
 
H04Q SELECTING 7103
 
 
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 592
 
 
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 5106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7460562 Uplink frame at the transcoder rate adaptation unit/base transceiver station interface in a cellular mobile radio networkJul 06, 95Dec 02, 08[H04J]
6202178 Complementary methods for interleaving and deinterleaving data frames and corresponding forward error correcting devices in a transmitter and receiverMar 29, 99Mar 13, 01[H03M]
6107117 Method of making an organic thin film transistorDec 20, 96Aug 22, 00[H01L]
6047568 Method of manufacturing a silica powder and use of such a powder in making an optical fiber preformMay 06, 97Apr 11, 00[C03B]
5999297 Method of putting binary data on an optical carrier wave, and a transmission system using the methodMay 21, 96Dec 07, 99[H04B, G02F]
5974126 Method and telecommunications network for control of mass callingJul 24, 96Oct 26, 99[H04M]
5963885 Sensing circuitSep 17, 96Oct 05, 99[H04B]
5930262 Method for TDMA management, central station, terminal station and network system to perform this method, frame structure used in this methodAug 02, 96Jul 27, 99[H04B]
5920835 Method and apparatus for processing and transmitting text documents generated from speechJun 05, 97Jul 06, 99[G10L]
5911015 Polarization-independent Kerr modulator, and an all-optical clock recovery circuit including such a modulatorJan 29, 97Jun 08, 99[G02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6445920 Virtual private network for mobile subscribersExpiredAug 17, 99Sep 03, 02[H04Q]
6230008 Dual fixed/mobile communications systemExpiredJun 02, 95May 08, 01[H04Q, H04B]
6128488 Non-geostationary satellite communication systems, and station and terminal thereofExpiredJun 11, 96Oct 03, 00[H04Q]
6128502 Method of selecting one of at least two communications terminals, and a communications terminal thereforExpiredMay 06, 96Oct 03, 00[H04M, H04Q]
6104792 Method of providing call charge information as well as service control facility, subscriber terminal exchange, terminal, and communication networkExpiredJun 27, 96Aug 15, 00[H04M]
6101219 Adaptive equaliserExpiredSep 10, 96Aug 08, 00[H03H]
6078950 Electrical transmission system with a broadband distribution network for TV and audio signals and with interactive service capabilityExpiredAug 20, 96Jun 20, 00[H04L, H04N]
6031574 Device for storing video dataExpiredAug 29, 96Feb 29, 00[H04N]
6029067 Virtual private network for mobile subscribersExpiredJul 12, 96Feb 22, 00[H04Q]
6014563 Radio system for a closed user groupExpiredSep 23, 96Jan 11, 00[H04Q]
6003026 Emulator for an SQL relational-databaseExpiredMay 04, 98Dec 14, 99[G06F]
5995835 Method of handing over a call set up with a mobile station from one cell to another within a cellular radio networkExpiredApr 24, 97Nov 30, 99[H04Q]
5983365 Frame processing unit with test mode, line termination module including such a frame processing unit, and method for testing such a frame processing unitExpiredFeb 15, 96Nov 09, 99[G06F]
5974125 Telephone exchange with a further unitExpiredOct 23, 97Oct 26, 99[H04M]
5946628 Method and circuit arrangement for the access of cordless terminals to a telecommunications systemExpiredFeb 21, 97Aug 31, 99[H04Q]
5940805 Method of selling data records as well as vending apparatus, memory device, chip card, and system for selling telecommunications softwareExpiredDec 13, 95Aug 17, 99[G06F]
5937350 Train radio telephone system using home location register (HLR)ExpiredMar 28, 96Aug 10, 99[H04Q]
5933467 Multirate receive device and method using a single adaptive interpolation filterExpiredMar 01, 96Aug 03, 99[H04L, H04B]
5930707 System for remotely testing a cellphone base stationExpiredSep 25, 96Jul 27, 99[H04Q]
5926299 System for distributing optical signalsExpiredDec 24, 96Jul 20, 99[H04B, H04J]

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