Source: http://www.google.nl/patents/US5444450
Timestamp: 2017-12-13 22:39:39
Document Index: 279863041

Matched Legal Cases: ['art 1986', 'art 1988', 'art 1996', 'art 1998', 'art 1998', 'art 2000', 'art 2005', 'art 1999', 'art 1998', 'art 1998', 'art 1999', 'art 1999', 'art 1999']

Patent US5444450 - Radio telecommunications system and method with adaptive location ... - Google Patenten
A radio telecommunications system includes a number of satellites in low earth orbits. Subscriber units communicate with the satellites. A single subscriber unit communicates with a single satellite using electromagnetic signals so that a measurement processor can obtain Doppler component, propagation...http://www.google.nl/patents/US5444450?utm_source=gb-gplus-sharePatent US5444450 - Radio telecommunications system and method with adaptive location determination convergence
Publicatienummer US5444450 A
Aanvraagnummer US 08/105,219
Publicatiedatum 22 aug 1995
Aanvraagdatum 11 aug 1993
Prioriteitsdatum 11 aug 1993
Publicatienummer 08105219, 105219, US 5444450 A, US 5444450A, US-A-5444450, US5444450 A, US5444450A
Uitvinders Keith A. Olds, Kristine P. Maine
Patentcitaties (10), Niet-patentcitaties (6), Verwijzingen naar dit patent (140), Classificaties (14), Juridische gebeurtenissen (6)
US 5444450 A
US4578678 * 14 nov 1983 25 maart 1986 The United States Of America As Represented By The United States National Aeronautics And Space Administration High dynamic global positioning system receiver
US4672382 * 4 dec 1985 9 juni 1987 Nissan Motor Co., Ltd. Position measuring system
US4728959 * 8 aug 1986 1 maart 1988 Ventana Sciences Inc. Direction finding localization system
US4860352 * 20 mei 1985 22 aug 1989 Satellite Financial Systems Corporation Satellite communication system and method with message authentication suitable for use in financial institutions
US5041833 * 4 juni 1990 20 aug 1991 Stanford Telecommunications, Inc. Precise satellite ranging and timing system using pseudo-noise bandwidth synthesis
US5119101 * 20 mei 1991 2 juni 1992 U.S. Philips Corporation Method of and apparatus for obtaining vehicle heading information
1 "Emitter Location Accuracy using TDOA and Differential Doppler" by Paul C. Chestnut, from IEEE Transactions on Aerospace and Electronic Systems, vol. AES-18, No. 2, Mar., 1982.
2 "Geolocation of Frequency-Hopping Transmitters via Satellite" by A. Sonnenschein and W. K. Hutchinson, from Technical Reporty 900, Nov. 1990.
3 "Geolocation via Satellite: A Methodology and Error Analysis" by M. J. Shensa, from Technical Report 1224, May 1988.
4 * Emitter Location Accuracy using TDOA and Differential Doppler by Paul C. Chestnut, from IEEE Transactions on Aerospace and Electronic Systems, vol. AES 18, No. 2, Mar., 1982.
5 * Geolocation of Frequency Hopping Transmitters via Satellite by A. Sonnenschein and W. K. Hutchinson, from Technical Reporty 900, Nov. 1990.
6 * Geolocation via Satellite: A Methodology and Error Analysis by M. J. Shensa, from Technical Report 1224, May 1988.
US5678174 * 24 april 1995 14 okt 1997 Motorola Communication system which predicts good opportunities for communication
US5781151 * 19 sept 1996 14 juli 1998 Parker-Hannifin Corporation Interferometric trajectory reconstruction technique for flight inspection of radio navigation aids
US5790073 * 13 maart 1996 4 aug 1998 Motorola, Inc. Radio telecommunication network with fraud-circumventing registration
US5812932 * 17 nov 1995 22 sept 1998 Globalstar L.P. Mobile satellite user information request system and methods
US5930717 * 30 juli 1997 27 juli 1999 Ericsson Inc System and method using elliptical search area coverage in determining the location of a mobile terminal
US5955986 * 20 nov 1997 21 sept 1999 Eagle Eye Technologies, Inc. Low-power satellite-based geopositioning system
US5966658 * 26 sept 1996 12 okt 1999 Highwaymaster Communications, Inc. Automated selection of a communication path
US5969674 * 21 feb 1997 19 okt 1999 Von Der Embse; Urban A. Method and system for determining a position of a target vehicle utilizing two-way ranging
US6020847 * 25 april 1996 1 feb 2000 Twr Inc. Geolocation method and apparatus for satellite based telecommunications system
US6047161 * 29 nov 1996 4 april 2000 Motorola, Inc. Satellite communication system and method thereof
US6055426 * 17 juni 1997 25 april 2000 Highwaymaster Communications, Inc. Notification of a mobile unit out of coverage
US6072428 * 3 juni 1998 6 juni 2000 Trimble Navigation Limited Location determination using doppler and pseudorange measurements from fewer than four satellites
US6078818 * 9 maart 1998 20 juni 2000 Ericsson Inc. System and method for implementing positioning quality of service
US6085098 * 22 okt 1997 4 juli 2000 Ericsson Inc. Apparatus and method for automatically configuring settings of a software application in a portable intelligent communications device
US6181911 * 9 sept 1998 30 jan 2001 Qualcomm Incorporated Simplified receiver with rotator for performing position location
US6219615 26 maart 1998 17 april 2001 Ico Services Ltd. Satellite position fixing
US6256475 15 maart 2000 3 juli 2001 Lucent Technologies, Inc. Telecommunications-assisted satellite positioning system
US6272316 * 3 juni 1998 7 aug 2001 Globalstar L.P. Mobile satellite user information request system and methods
US6459704 * 12 aug 1997 1 okt 2002 Spectrum Tracking Systems, Inc. Method and system for radio-location determination
US6567668 * 9 okt 1997 20 mei 2003 Ericsson Inc. Locator barring for satellite-based networks
US6570530 * 11 juni 2001 27 mei 2003 Qualcomm Incorporated Method and apparatus providing improved position estimate based on an initial coarse position estimate
US6745028 * 16 juli 1997 1 juni 2004 Ico Services Limited Satellite mobile telephone cell departure prediction
US6763242 14 sept 2000 13 juli 2004 The Directv Group, Inc. Resource assignment system and method for determining the same
US6868269 28 aug 2000 15 maart 2005 The Directv Group, Inc. Integrating coverage areas of multiple transponder platforms
US6963548 17 april 2000 8 nov 2005 The Directv Group, Inc. Coherent synchronization of code division multiple access signals
US7069021 * 25 feb 2003 27 juni 2006 Nokia Corporation Method and a system for positioning of an electronic device, and an electronic device
US7218932 14 juli 2005 15 mei 2007 Ico Services Ltd. Satellite mobile telephone cell departure prediction
US7260391 26 mei 2004 21 aug 2007 Ico Services Limited Satellite mobile telephone cell departure prediction
US7474873 14 juli 2005 6 jan 2009 Ico Services Limited Satellite mobile telephone cell departure prediction
US9625573 * 8 april 2010 18 april 2017 The Boeing Company Geolocation leveraging spot beam overlap
US20020107034 * 14 dec 2001 8 aug 2002 Hughes Electronics Corporation Stratospheric platform based surface vehicle tracking and mobile data network
US20030162552 * 25 feb 2003 28 aug 2003 Nokia Corporation Method and a system for positioning of an electronic device, and an electronic device
US20040190475 * 4 sept 2002 30 sept 2004 Jyri Hamalainen Moment decision for packet data transmission based on analysis of power control commands
US20040224632 * 26 mei 2004 11 nov 2004 Ico Services Limited Satellite mobile telephone cell departure prediction
US20050250490 * 14 juli 2005 10 nov 2005 Ico Services Limited Satellite mobile telephone cell departure prediction
US20050250558 * 14 juli 2005 10 nov 2005 Ico Services Limited Satellite mobile telephone cell departure prediction
US20110248887 * 8 april 2010 13 okt 2011 The Boeing Company Geolocation leveraging spot beam overlap
DE19983027B3 * 8 maart 1999 31 juli 2014 Ericsson Inc. System und Verfahren zum Implementieren einer Positionierungs-Dienstqualität
EP0869373A2 * 18 maart 1998 7 okt 1998 ICO Services Ltd. Improvement in satellite position fixing
EP0869373A3 * 18 maart 1998 31 maart 1999 ICO Services Ltd. Improvement in satellite position fixing
EP1126376A1 * 31 juli 2000 22 aug 2001 NTT DoCoMo, Inc. Method and apparatus for submitting position information
EP1126376A4 * 31 juli 2000 16 aug 2006 Ntt Docomo Inc Method and apparatus for submitting position information
EP1346236A1 * 29 okt 2001 24 sept 2003 Skybitz, Inc. System and method for rapid telepositioning
EP1346236A4 * 29 okt 2001 23 aug 2006 Skybitz Inc System and method for rapid telepositioning
EP1919229A2 * 31 juli 2000 7 mei 2008 NTT DoCoMo, Inc. Location information notifying method and location information notifying apparatus
EP1919229A3 * 31 juli 2000 21 mei 2008 NTT DoCoMo, Inc. Location information notifying method and location information notifying apparatus
WO1997019524A1 * 9 okt 1996 29 mei 1997 Globalstar L.P. Mobile satellite user information request system and methods
WO1999007177A1 * 30 juli 1998 11 feb 1999 Ericsson, Inc. System and method using elliptical search area coverage in determining the location of a mobile terminal
WO1999046949A1 * 8 maart 1999 16 sept 1999 Ericsson Inc. System and method for implementing positioning quality of service
Classificatie in de VS 342/357.21, 455/456.3, 455/427, 455/12.1
Internationale classificatie G01S5/12, H04W4/24
Coöperatieve classificatie H04W4/24, G01S5/12, H04M2215/32, H04M15/8033, H04M2215/7435
Europese classificatie H04M15/80F, G01S5/12, H04W4/24
16 maart 1999 REMI Maintenance fee reminder mailed
12 sept 2008 AS Assignment