Siemens Information and Communication Networks, S.p.A.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04J MULTIPLEX COMMUNICATION 3122
 
  
 
H04B TRANSMISSION 2208
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 2283
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 159
 
  
 
H03K PULSE TECHNIQUE 1130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7305012 Method and system to synchronize mobile units to a base transceiver stationJul 24, 00Dec 04, 07[H04J]
7289526 Method for reducing the radio channel the access delay in wireless communication systemOct 15, 03Oct 30, 07[H04B]
7092453 Automatic method for power control and phy mode switching control in adaptive phy mode systemsDec 26, 01Aug 15, 06[H04L]
6690735 Broad band digital radio receiver for multicarrier signalMay 19, 00Feb 10, 04[H04L, H03K]
6542268 OPTICAL CHANNEL CROSS CONNECT FOR TELECOMMUNICATION SYSTEMS IN WDM TECHNOLOGY (WAVELENGTH DIVISION MULTIPLEXING) HAVING A DOUBLE SPATIAL SWITCHING STRUCTURE OF OPTICAL FLOWS STRICTLY NOT BLOCKING AND INTERPOSED FUNCTIONAL UNITS OPERATING ON SINGLE CHANNELSDec 28, 99Apr 01, 03[H04J]
6420944 Antenna duplexer in waveguide, with no tuning bendsApr 07, 00Jul 16, 02[H01P]
6389274 Subharmonic frequency converter for applications to millimetric radio wavesMay 21, 99May 14, 02[H04B]
6347096 Method for structuring of digital data which can be transferred in both directions on a passive optical network (PON) in a PON TDMA systemJan 21, 99Feb 12, 02[H04J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7050824 Method to perform downlink power control in packet switching cellular systems with dynamic allocation of the RF ChannelExpiredJun 13, 02May 23, 06[H04B]
6993069 Simulation process of radiofrequency scenario in radio mobile environment and testing system employing said processExpiredNov 26, 98Jan 31, 06[H04B]
6826185 Encoded audio-video streams remultiplexing equipmentExpiredMay 12, 00Nov 30, 04[H04L]
6611565 Broadband transmitter for a signal consisting of a plurality of digitally modulated carriersExpiredFeb 25, 00Aug 26, 03[H04L]
2003/0103,530 Method for interleaving bit flow in a mobile telephone systemAbandonedAug 13, 02Jun 05, 03[H04J]
2003/0076,812 Method for optimizing the random access procedures in the cdma cellular networksAbandonedOct 23, 02Apr 24, 03[H04J]
6441705 Temperature self-compensating decoupling filter for high frequency TransceiversExpiredMay 30, 01Aug 27, 02[H01P]
6326857 Microwave voltage controlled oscillator formed and located on a high dielectric loss substrate with a controlled circuitExpiredFeb 10, 00Dec 04, 01[H03B]
6198912 Frequency converter for the application on millimetric radio wavesExpiredFeb 03, 99Mar 06, 01[H01P, H04B]

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