HANWHA SYSTEMS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01Q AERIALS 3107
 
  
 
H04B TRANSMISSION 3207
 
  
 
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 WAVES2107
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 2203
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
H04J MULTIPLEX COMMUNICATION 2123
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION256
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 2283
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 2240
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 1104

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9523769 Alignment method and system for radar of vehicleAug 23, 11Dec 20, 16[G01S]
8405552 Multi-resonant broadband antennaJul 13, 07Mar 26, 13[H01Q]
7554902 Preamble design for frequency offset estimation and channel equalization in burst OFDM transmission systemApr 23, 03Jun 30, 09[H04J]
7376194 Method and apparatus for compensating for residual frequency offset in an OFDM systemMay 03, 04May 20, 08[H04K]
7321630 Approximation method for series expansion of input function and system using the sameOct 24, 03Jan 22, 08[H04L]
7319660 Device and method for symbol frame synchronization of OFDM transmitter and receiverApr 14, 03Jan 15, 08[H04J]
7099420 Block interpolation filter structure using lookup tableAug 23, 02Aug 29, 06[H04B]
7035888 Digital sampling rate converter for compensation for drop of in-band signalSep 27, 04Apr 25, 06[G06F]
6742400 Device and method for measuring cross-inertia-moment in limited angular rotary axisDec 10, 02Jun 01, 04[G01L, G01D]
6658044 Frequency hopping communication device and frequency hopping methodJun 22, 00Dec 02, 03[H04L, H04B, H04K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4665433 Video signal processing with filtering to account for picture compressionExpiredMar 25, 85May 12, 87[H04N]

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