GENERAL INSTRUMENT EQUITY CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01S DEVICES USING STIMULATED EMISSION389
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1132
 
  
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5295209 Spontaneous emission source having high spectral density at a desired wavelengthNov 10, 92Mar 15, 94[G02B]
5243609 Laser with longitudinal mode selectionMay 22, 92Sep 07, 93[H01S]
5212579 Method and apparatus for communicating amplitude modulated signals over an optical communication pathMar 11, 91May 18, 93[H04B]
5200964 Broad linewidth lasers for optical fiber communication systemsJan 15, 92Apr 06, 93[H01S]
5166821 Reduction of non-linear effects in optical fiber communication systems and method of using sameMar 12, 91Nov 24, 92[G02F]
5151908 Laser with longitudinal mode selectionOct 09, 91Sep 29, 92[H01S]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5210631 Transmission of AM-VSB video signals over an optical fiberExpiredDec 22, 89May 11, 93[H01S, H04J]
5210633 Apparatus and method for linearizing the operation of an external optical modulatorExpiredSep 12, 90May 11, 93[H04B, G02B, G02F]
5153762 Method and apparatus for recovering AM channell signals distributed on an optical fiberExpiredMar 19, 90Oct 06, 92[H04B, H04J]
5136411 Dynamically responsive CATV system with shared fiber optic linkExpiredSep 19, 89Aug 04, 92[H04J]
5134620 Laser with longitudinal mode selectionExpiredNov 20, 90Jul 28, 92[H01S]
5126871 Method and apparatus for redundant communication of optical signals with distortion cancellationExpiredNov 15, 89Jun 30, 92[H04B]
5119447 Apparatus and method for externally modulating an optical carrierExpiredNov 06, 90Jun 02, 92[G02B]
5109441 Fiber optic external modulatorExpiredJan 18, 91Apr 28, 92[G02B]
5107360 Optical transmission of RF subcarriers in adjacent signal bandsExpiredNov 05, 90Apr 21, 92[H04J]
5088098 Thermoelectric cooler control circuitExpiredOct 16, 90Feb 11, 92[H01S]
5046138 Self-aligning analog laser transmitterExpiredJun 26, 89Sep 03, 91[H04B]

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