Arc Second Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS1089
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 5100
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 2203
 
  
 
E02F DREDGING; SOIL-SHIFTING 144
 
  
 
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 WAVES1108
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127
 
  
 
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
6662103 Method and system for creating a user-selectable arbitrary coordinate frameMar 21, 00Dec 09, 03[G01C]
6630993 Method and optical receiver with easy setup means for use in position measurement systemsMar 21, 00Oct 07, 03[G01B]
6621565 Rotating head optical transmitter for position measurement systemSep 10, 01Sep 16, 03[G01B]
6618133 Low cost transmitter with calibration means for use in position measurement systemsJul 26, 02Sep 09, 03[G01C, G01B]
6545751 Low cost 2D position measurement system and methodFeb 26, 01Apr 08, 03[G01C, G01B]
6535282 Position measurement system and method using cone math calibrationOct 30, 01Mar 18, 03[G01C, G01B]
6519029 Low cost transmitter with calibration means for use in position measurement systemsMar 21, 00Feb 11, 03[G01B]
6501543 Apparatus and method for determining positionFeb 26, 01Dec 31, 02[G01B]
6452668 Rotating head optical transmitter for position measurement systemOct 13, 99Sep 17, 02[H04B, G01B]
5579102 Transmitter and receiver units for spatial position measurement systemOct 05, 95Nov 26, 96[G02B, G01C, G01B, E02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0113,784 Portable computer aided design apparatus and methodAbandonedDec 31, 01Aug 22, 02[G06T]
5294970 Spatial positioning systemExpiredSep 06, 91Mar 15, 94[G01C, G01B]
5110202 Spatial positioning and measurement systemExpiredDec 31, 90May 05, 92[G01C]
5100229 Spatial positioning systemExpiredAug 17, 90Mar 31, 92[G01C]

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