ERICSSON RAYNET, A DE GENERAL PARTNERSHIP

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H04J MULTIPLEX COMMUNICATION 3112
 
 
 
H04B TRANSMISSION 2185
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1180
 
 
 
H01S DEVICES USING STIMULATED EMISSION194
 
 
 
H04M TELEPHONIC COMMUNICATION 1145

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5,539,805 Power supply system including ringing voltage reset under low input voltage conditionsSep 21, 94Jul 23, 96[H04M]
5,502,298 Apparatus and method for controlling an extinction ratio of a laser diode over temperatureAug 22, 94Mar 26, 96[H04B]
5,457,562 Narrowcast optical communication networks and methodsMay 20, 94Oct 10, 95[H04B]
5,412,498 Multi-RC time constant receiverMar 29, 91May 02, 95[H04J]
5,319,656 Thermal control for laser diode used in outside plant communications terminalSep 23, 92Jun 07, 94[H01S]
5,282,195 DSO cross-connect for floating virtual tributariesSep 05, 91Jan 25, 94[H04J]
5,261,024 Card cage used for coupling to telecommunications mediaJan 06, 93Nov 09, 93[G02B]
5,208,693 Transmission protocol for clamping receiverMar 29, 91May 04, 93[H04J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5,193,132 Method of coupling light via a coupler on a fiber optic light guide using phase space matchingExpiredSep 30, 91Mar 09, 93[G02B]
5,142,401 Apparatus and method for a linear, wideband sensitive optical receiverExpiredJun 28, 90Aug 25, 92[H04B]
5,126,870 Linear broadband signal generator using primary and secondary optical modulatorsExpiredDec 22, 89Jun 30, 92[H04J, H04B]
5,090,792 Optical fiber tap handling trayExpiredMay 11, 90Feb 25, 92[G02B]
5,080,506 Optical fiber tap for monitoring laser input powerExpiredMay 20, 88Jan 14, 92[G02B]
5,069,516 Telecommunications closuresExpiredNov 21, 89Dec 03, 91[G02B, H02G]
5,066,139 Coupler verification test circuitExpiredAug 28, 89Nov 19, 91[H04L, H04B]
5,037,170 Optical fiber tap utilizing reflector and resilient closureExpiredMay 04, 89Aug 06, 91[G02B]
5,036,189 Thermal control for laser diode used in outside plant communications terminalExpiredApr 03, 90Jul 30, 91[G01J]
5,029,962 Optical fiber tap utilizing reflector and resilient closureExpiredJul 21, 89Jul 09, 91[G02B]
5,016,962 Method of repairing an optical fiberExpiredMar 19, 90May 21, 91[G02B]
5,016,969 Mechanism for nesting an optical fiber in an optical coupler and providing positive stop opening and closing positions for the couplerExpiredAug 28, 89May 21, 91[G02B]
5,013,118 Filtering high order modes of short wavelength signals propagating in long wavelength single mode fibersExpiredDec 22, 89May 07, 91[G02B]
5,010,293 Inrush current limiting circuitExpiredNov 20, 89Apr 23, 91[G05F]
5,002,356 Optical fiber tap handling tray with fiber installation toolExpiredApr 28, 89Mar 26, 91[G02B]
4,981,334 Compact optical fiber couplerExpiredDec 22, 89Jan 01, 91[G02B]
4,978,194 Stepped cable blockExpiredAug 28, 89Dec 18, 90[G02B]
4,975,929 Clock recovery apparatusExpiredSep 11, 89Dec 04, 90[H03D]
4,959,846 Clock recovery apparatus including a clock frequency adjusterExpiredSep 11, 89Sep 25, 90[H04L]
4,924,473 Laser diode protection circuitExpiredMar 28, 89May 08, 90[H01S]

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