Assignee
WHERENET CORP
US·26 granted patents·6 pending applications·1,801 citations·filing 1998–2008
Top patents by PatentIndex Score
32 records- 0197US7755541B2System and method for tracking vehicles and containersWHERENET CORP·Filed 2008·Granted Jul 13, 2010·94 cites·25 claims
- 0297US6380894B1Multi-lateration system with automatic calibration and error removalWHERENET CORP·Filed 2000·Granted Apr 30, 2002·228 cites·18 claims
- 0395US6892054B2Interference suppression for wireless local area network and location systemWHERENET CORP·Filed 2001·Granted May 10, 2005·145 cites·35 claims
- 0495US6593885B2Low cost DTOA location processing system based on multiple readers-to-single processor architectureWHERENET CORP·Filed 2001·Granted Jul 15, 2003·150 cites·20 claims
- 0591US6655582B2System and method for identifying objects using single connection lineWHERENET CORP·Filed 2002·Granted Dec 2, 2003·78 cites·22 claims
- 0691US6366242B1Computer workstation tool for displaying performance estimate of tagged object geo-location system for proposed geometry layout of tag transmission readersWHERENET CORP·Filed 2000·Granted Apr 2, 2002·124 cites·17 claims
- 0789US7046657B2Wireless local area network system with mobile access point station determinationWHERENET CORP·Filed 2001·Granted May 16, 2006·69 cites·37 claims
- 0888US6987744B2Wireless local area network with geo-location capabilityWHERENET CORP·Filed 2001·Granted Jan 17, 2006·74 cites·36 claims
- 0987US7190271B2Location system and method that achieves time synchronized network performance using unsynchronized receiver clocksWHERENET CORP·Filed 2004·Granted Mar 13, 2007·65 cites·52 claims
- 1086US6657586B2System and method for locating an object using global positioning system receiverWHERENET CORP·Filed 2002·Granted Dec 2, 2003·90 cites·23 claims
- 1186US6434194B1Combined OOK-FSK/PPM modulation and communication protocol scheme providing low cost, low power consumption short range radio linkWHERENET CORP·Filed 1998·Granted Aug 13, 2002·97 cites·22 claims
- 1285US6577275B2Transactions and business processes executed through wireless geolocation system infrastructureWHERENET CORP·Filed 2001·Granted Jun 10, 2003·58 cites·15 claims
- 1385US6317082B1Wireless call tag based material replenishment systemWHERENET CORP·Filed 2000·Granted Nov 13, 2001·73 cites·20 claims
- 1483US6853687B2Proximity-based magnetic field generator for controlling operation of RF burst-transmitting tags of geolocation systemWHERENET CORP·Filed 2001·Granted Feb 8, 2005·52 cites·20 claims
- 1583US6502005B1Elapsed time clock for part call tag-based replenishment systemWHERENET CORP·Filed 2000·Granted Dec 31, 2002·53 cites·6 claims
- 1682US6812839B1Use of rotating magnetic field to enhance communication with RF burst-transmitting tags of object location systemWHERENET CORP·Filed 2001·Granted Nov 2, 2004·49 cites·13 claims
- 1781US6393045B1Spread spectrum baseband modulation of magnetic fields for communications and proximity sensingWHERENET CORP·Filed 1998·Granted May 21, 2002·67 cites·16 claims
- 1877US6859485B2Geolocation system with controllable tags enabled by wireless communications to the tagsWHERENET CORP·Filed 2001·Granted Feb 22, 2005·37 cites·28 claims
- 1976US6268723B1Magnetic field emission and differential receiver coil configuration for discriminating response magnetic field from transponder tagWHERENET CORP·Filed 1998·Granted Jul 31, 2001·52 cites·10 claims
- 2073US7475814B2Tag mounting device used for locating shipping containers and truck trailersWHERENET CORP·Filed 2005·Granted Jan 13, 2009·9 cites·20 claims
- 2173US6349116B1Data communication system harnessing frequency shift keyed magnetic fieldWHERENET CORP·Filed 2000·Granted Feb 19, 2002·35 cites·16 claims
- 2270US7218229B2Location system and method that achieves time synchronized network performance with nodes divided into separate networksWHERENET CORP·Filed 2004·Granted May 15, 2007·26 cites·51 claims
- 2368US6476719B2Ultra-sensitive magnetic field receiver capable of operating in high noise environmentsWHERENET CORP·Filed 2001·Granted Nov 5, 2002·17 cites·19 claims
- 2467US7212563B2Real-time locating system and method using timing signalWHERENET CORP·Filed 2002·Granted May 1, 2007·23 cites·10 claims
- 2562US6366626B1Sub-symbol matched filter-based frequency error processing for spread spectrum communication systemsWHERENET CORP·Filed 1998·Granted Apr 2, 2002·28 cites·16 claims
- 2651US2008129545A1System and method for determining the entry or exit lane of vehicles passing into or from a vehicle lot using tag interrogator and rssiWHERENET CORP·Filed 2007·Application pending·0 cites
- 2751US2006220851A1System and method for tracking containers in grounded marine terminal operationsWHERENET CORP·Filed 2005·Application pending·0 cites
- 2844US2007290847A1Vehicle tag used for transmitting vehicle telemetry dataWHERENET CORP·Filed 2007·Application pending·0 cites
- 2944US2008042881A1Vehicle tag used for transmitting vehicle telemetry dataWHERENET CORP·Filed 2007·Application pending·0 cites
- 3044US2008042875A1Vehicle tag used for transmitting vehicle telemetry dataWHERENET CORP·Filed 2007·Application pending·0 cites
- 3139US2004249557A1Vehicle tag used for transmitting vehicle telemetry dataWHERENET CORP·Filed 2004·Application pending·0 cites
- 3236US6721369B1Composite BPSK/AM-BPSK based spectral suppression of out-of-band energy from saturated RF amplifierWHERENET CORP·Filed 1999·Granted Apr 13, 2004·8 cites·18 claims
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