Inventor
KO JE SOO
KR49 patents
⚠️ This page may combine multiple inventors who share the name “KO JE SOO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
37 patentsUS7212741B2May 1, 2007
Method of optimizing output signal of optical receiver using FEC and optical receiving system using the method
KOREA ELECTRONICS TELECOMM22 citations92
US6424664B1Jul 23, 2002
Brillouin/erbuim fiber laser outputting dual spacing multiwavelength light
KOREA ELECTRONICS TELECOMM22 citations92
US5696788ADec 9, 1997
Circuit for searching fault location in a device having a plurality of application specific integrated circuits
KOREA ELECTRONICS TELECOMM36 citations91
US8689085B2Apr 1, 2014
Method and apparatus for transmitting data in optical transport network
KOREA ELECTRONICS TELECOMM7 citations84
US7817922B2Oct 19, 2010
Apparatus and method to generate carrier suppressed-return to zero optical signal
KOREA ELECTRONICS TELECOMM14 citations84
US7245641B2Jul 17, 2007
Variable length packet switching system
KOREA ELECTRONICS TELECOMM14 citations84
US7142570B2Nov 28, 2006
Apparatus and method for generating optical carrier for microwave and millimeterwave photonics system
KOREA ELECTRONICS TELECOMM11 citations84
US5914952AJun 22, 1999
Tributary unit signal cross-connection apparatus
KOREA ELECTRONICS TELECOMM17 citations82
US7180910B2Feb 20, 2007
Method for dynamically allocating bandwidth in ATM passive optical network
KOREA ELECTRONICS TELECOMM16 citations79
US7024058B2Apr 4, 2006
Apparatus for compensating polarization mode dispersion
KOREA ELECTRONICS TELECOMM9 citations72
US5917818AJun 29, 1999
Synchronous digital hierarchy digital cross-connection apparatus
KOREA ELECTRONICS TELECOMM14 citations72
US8045554B2Oct 25, 2011
Method of and apparatus for processing virtual local area network tag frame
KOREA ELECTRONICS TELECOMM3 citations63
US7796621B2Sep 14, 2010
Apparatus for matching gigabit Ethernet (GbE) signals with optical transport hierarchy (OTH)
KOREA ELECTRONICS TELECOMM2 citations63
US7577370B2Aug 18, 2009
Method and apparatus for extracting optical clock signal
KOREA ELECTRONICS TELECOMM2 citations63
US7532821B2May 12, 2009
Apparatus for optical clock extraction
KOREA ELECTRONICS TELECOMM5 citations63
US7162162B2Jan 9, 2007
Method and apparatus of clock recovery using optical filters
KOREA ELECTRONICS TELECOMM6 citations63
US8359525B2Jan 22, 2013
Method and apparatus for transmitting data in optical transport network
KOREA ELECTRONICS TELECOMM3 citations62
US7869712B2Jan 11, 2011
Method and apparatus for increasing transmission capacity in optical transport network
KOREA ELECTRONICS TELECOMM4 citations62
US7500156B2Mar 3, 2009
Method and apparatus for verifying multi-channel data
KOREA ELECTRONICS TELECOMM2 citations62
US7180343B2Feb 20, 2007
Apparatus for synchronizing clock using source synchronous clock in optical transmission system
KOREA ELECTRONICS TELECOMM6 citations62
US7653092B2Jan 26, 2010
Time-division multiplexing/demultiplexing system and method
KOREA ELECTRONICS TELECOMM2 citations61
US7471898B2Dec 30, 2008
Device and method for optical supervisory channel framing in optical transport network system
KOREA ELECTRONICS TELECOMM6 citations61
US7123352B2Oct 17, 2006
Apparatus and method for monitoring optical signal
KOREA ELECTRONICS TELECOMM2 citations61
US7365903B2Apr 29, 2008
Apparatus and method for all-optical control of gain and gain flattening on an optical amplifier
KOREA ELECTRONICS TELECOMM4 citations59
US7315694B2Jan 1, 2008
Apparatus for switching optical channel overhead in optical supervisory channel of optical transport network system and apparatus for forwarding optical channel maintenance signal
KOREA ELECTRONICS TELECOMM2 citations59
US8954827B2Feb 10, 2015
Method and apparatus for transmitting data in optical transport network
KOREA ELECTRONICS TELECOMM0 citations52
US7933523B2Apr 26, 2011
Clock extracting apparatus
KOREA ELECTRONICS TELECOMM0 citations52
US7624311B2Nov 24, 2009
Method and apparatus for converting interface between high speed data having various capacities
KOREA ELECTRONICS TELECOMM0 citations52
US7580640B2Aug 25, 2009
Method and apparatus for extracting optical clock signal
KOREA ELECTRONICS TELECOMM1 citations52
US7515007B2Apr 7, 2009
Integrated dielectric resonator filter and clock extraction device using the same
KOREA ELECTRONICS TELECOMM0 citations52
US7298978B2Nov 20, 2007
Method and apparatus for optimizing decision level of signal output from optical receiver
KOREA ELECTRONICS TELECOMM1 citations52
US7596324B2Sep 29, 2009
Apparatus for extracting optical clock using filters and amplifier and method for the same
KOREA ELECTRONICS TELECOMM0 citations51
US7330664B2Feb 12, 2008
Data transmitter and method of generating none return to zero optical signal with clock component amplification
KOREA ELECTRONICS TELECOMM0 citations51
US7327767B2Feb 5, 2008
Synchronous transfer mode-256 adder/dropper
KOREA ELECTRONICS TELECOMM0 citations50
US7650078B2Jan 19, 2010
Frequency extracting apparatus and signal extracting system employing the same
KOREA ELECTRONICS TELECOMM0 citations42
US7224694B2May 29, 2007
Apparatus for and method of generating pointers for transfer of structured data in AAL1
KOREA ELECTRONICS TELECOMM0 citations41
US7412173B2Aug 12, 2008
Apparatus for generating optical carrier suppressed return-to-zero
KOREA ELECTRONICS TELECOMM0 citations40
ELECT & TELECOMM RESEARCH INST
2 patentsUS6845109B2Jan 18, 2005
Method for correcting the shift of output wavelength of light source
ELECT & TELECOMM RESEARCH INST17 citations78
US6795233B2Sep 21, 2004
Cross-gain modulation type optical wavelength converter having high extinction ratio and wide input dynamic range
ELECT & TELECOMM RESEARCH INST3 citations61
ELECTRONICS & TELECOMMUNICATIONS RES INST
2 patentsUS9667341B2May 30, 2017
Apparatus and method for protection switching in optical transport network (OTN) suporting ODUflex(GFP)
ELECTRONICS & TELECOMMUNICATIONS RES INST5 citations73
US9413492B2Aug 9, 2016
Method and apparatus for transmitting data in optical transport network
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations52