TYCO TELECOMMUNICATIONS (US) INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 23182
 
  
 
H04B TRANSMISSION 14196
 
  
 
H01S DEVICES USING STIMULATED EMISSION1280
 
  
 
H04J MULTIPLEX COMMUNICATION 6119
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES277
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 144
 
  
 
B23B TURNING; BORING 151
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7574140 Optical transmission system including repeatered and unrepeatered segmentsDec 22, 04Aug 11, 09[H04B]
6496629 Undersea telecommunications cableOct 01, 99Dec 17, 02[G02B]
6481903 Optical fiber splice protector and method for applying sameAug 07, 98Nov 19, 02[G02B]
6452707 Method and apparatus for improving spectral efficiency in fiber-optic communication systemsFeb 17, 99Sep 17, 02[H04B, H04J]
6438300 Fiber retaining systemSep 21, 99Aug 20, 02[G02B]
6424455 Wide bandwidth fiber raman amplifierOct 03, 00Jul 23, 02[H01S]
6424761 Cable repeater connecting jointJan 22, 01Jul 23, 02[G02B]
6414775 Method and apparatus for measuring gain shape in an optical repeater using FM modulationDec 28, 98Jul 02, 02[H04B]
6411413 Method and apparatus for performing dispersion compensation without a change in polarization and a transmitter incorporating sameFeb 26, 98Jun 25, 02[H04B]
6407842 Method and apparatus for transmitting a WDM optical signal having nonuniform channel spacingsOct 28, 98Jun 18, 02[H04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0131,142 Synchronous Amplitude Modulation for Improved Performance of Optical Transmission SystemsAbandonedOct 23, 07Jun 05, 08[H04B]
6906854 System and method for controlling noise in raman amplifiersExpiredMar 14, 02Jun 14, 05[H01S]
6901190 Fault tolerant optical amplifier configuration using pump feedthroughExpiredJan 25, 02May 31, 05[G02B, H01S]
2004/0264,981 Wavelength monitoring and control systemAbandonedJun 22, 04Dec 30, 04[H04B]
2004/0161,245 Synchronous amplitude modulation for improved performance of optical transmission systemsAbandonedFeb 18, 04Aug 19, 04[H04B]
2003/0072,073 Output power monitoring in an optical preamplifierAbandonedOct 16, 02Apr 17, 03[H01S]
2003/0065,761 System and method of creating and maintaining a replicated naming service to support a telecommunications networkAbandonedSep 27, 02Apr 03, 03[G06F]
6532746 Method and apparatus for securing an electronic componentExpiredJan 24, 02Mar 18, 03[F25B]
2003/0002,843 Gas blocking device for optical fiber repeaterAbandonedJul 19, 02Jan 02, 03[G02B]
6477053 Heat sink and electronic assembly including sameExpiredJul 17, 01Nov 05, 02[H05K]
6456425 Method and apparatus to perform lumped raman amplificationExpiredJun 07, 00Sep 24, 02[H01S]
6414405 Method and apparatus for operating cabled-fiber undersea network, and fault-tolerant branching unit for use thereinExpiredDec 13, 99Jul 02, 02[H02J]
6358085 Connector assemblyExpiredDec 14, 99Mar 19, 02[H01R]
6341023 Multiple level modulation in a wavelength-division multiplexing (WDM) systemsExpiredJul 23, 99Jan 22, 02[H04J]
6317238 Chromatic dispersion management for optical wavelength division multiplexed transmission systemsExpiredJun 26, 97Nov 13, 01[H04B, G02B]
6310709 Synchronous polarization and phase modulation using a periodic waveform with complex harmonics for improved performance of optical transmission systemsExpiredDec 29, 95Oct 30, 01[H04B]
6304351 Universal branching unitExpiredOct 28, 98Oct 16, 01[H04J]
6269515 Apparatus for cleaning an optical fiber splicer electrodeExpiredMar 26, 99Aug 07, 01[A46B]

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