O-NET COMMUNICATIONS (SHENZHEN) LIMITED

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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 3202
 
  
 
H04B TRANSMISSION 2208
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177
 
  
 
H01S DEVICES USING STIMULATED EMISSION191

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9525267 Vertical cavity surface emitting laser assemblyDec 09, 15Dec 20, 16[G01J, H01S]
8379221 Interference cavity for controlling optical pathMar 02, 10Feb 19, 13[G01B]
8380067 Tunable chromatic dispersion compensation device and methodNov 19, 09Feb 19, 13[H04B, H04J]
7522808 Variable optical attenuatorApr 04, 08Apr 21, 09[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0295,658 SINGLE-FIBER COUPLED MULTI-WAVELENGTH OPTICAL TRANSCEIVER MODULEAbandonedNov 29, 13Oct 15, 15[H04B, G02B, G02F, H04J]
8488233 Method and apparatus for enhancing signal-to-noise power ratio in optical fiber amplifiersExpiredOct 01, 09Jul 16, 13[H04B]
8238394 Low power consumption pump driving circuitExpiredMar 01, 10Aug 07, 12[H01S]
8139286 Self-adapting feed forward control apparatus and method in an optical amplifierExpiredMar 26, 09Mar 20, 12[H04B]
7940452 Method for acquiring spectrum shape of a gain flattening filter in an optical amplifierExpiredAug 21, 08May 10, 11[H04B]

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