Inventor · disambiguated record
Lloyd Engelbrecht
Also filed as: ENGELBRECHT LLOYD
11 granted patents·1,566 citations·filing 1993–2002
94Inventor score
Top patents by PatentIndex Score
11 records- 0197US5422813ANo-outage GPS/commercial RF positioning systemSTANFORD TELECOMM INC·Filed 1993·Granted Jun 6, 1995·385 cites·7 claims
- 0296US5604765APosition enhanced communication system including system for embedding CDMA navigation beacons under the communications signals of a wireless communication systemSTANFORD TELECOMM INC·Filed 1994·Granted Feb 18, 1997·223 cites·8 claims
- 0396US5510801ALocation determination system and method using television broadcast signalsSTANFORD TELECOMM INC·Filed 1994·Granted Apr 23, 1996·278 cites·11 claims
- 0493US6111538ACellular positioning system (CPS)STANFORD TELECOMM INC·Filed 1995·Granted Aug 29, 2000·168 cites·6 claims
- 0590USRE38808ECellular positioning system (CPS)ITT MFG ENTERPRISES INC·Filed 2002·Granted Oct 4, 2005·64 cites·24 claims
- 0689US6148219APositioning system for CDMA/PCS communications systemITT MFG ENTERPRISES INC·Filed 1998·Granted Nov 14, 2000·151 cites·10 claims
- 0779US6850734B1Position enhanced communication system including system for embedding CDMA navigation beacons under the communications signals of a wireless communication systemITT MFG ENTERPRISES INC·Filed 2000·Granted Feb 1, 2005·26 cites·1 claims
- 0875US6148195APhase agile antenna for use in position determinationITT MFG ENTERPRISES INC·Filed 1998·Granted Nov 14, 2000·50 cites·7 claims
- 0973US6169484B1Personal location systemITT MFG ENTERPRISES INC·Filed 1999·Granted Jan 2, 2001·132 cites·2 claims
- 1064US6160837AMethod of avoiding near-far interference problems in an array of navigation signal beacons having selected CDMA or GPS-like navigation signalsITT MFG ENTERPRISES INC·Filed 1996·Granted Dec 12, 2000·46 cites·1 claims
- 1163US5912917ADigital broadcast systemFiled 1993·Granted Jun 15, 1999·43 cites·26 claims
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