1
Leonid Sheynblat, Norman F Krasner: Method and apparatus for providing location-based information via a computer network. Snaptrack, Philip Wadsworth, Charles Brown, Bruce W Greenhaus, January 13, 2004: US06677894 (594 worldwide citation)

Methods and apparatuses for distributing location-based information (i.e., information specific to a client's location or a location of interest to the client) to a client, which may be a mobile SPS receiver, via the Internet and in particular, the World-Wide Web. The client provides informatio ...


2
William E Sagey, Harold V Lind, Carl E Lind: Vehicle location system. Hughes Aircraft Company, Thomas A Runk, Anthony W Karambelas, April 26, 1988: US04740792 (340 worldwide citation)

A vehicle locating system (VLS) comprises a large number, for example, several million, vehicle-mounted transmitters and several benchmark transmitters; first, second and third signal relay stations and a central processing station at which the transmitter locations are determined, the central stati ...


3
William F Fraker, Gary Bilsland: GPS golf diagnostic system. Woodard Emhardt Naughton Moriarty & McNett, July 18, 1995: US05434789 (248 worldwide citation)

A GPS golf diagnostic system for receiving radio signals from earth orbiting GPS satellites, determining the latitudinal, longitudinal and altitudinal coordinates of the diagnostic system, and computing the distance between these coordinates and a plurality of known positions is disclosed. The diagn ...


4
Per K Hansen: Method and apparatus for position and orientation measurement using a magnetic field and retransmission. Position Orientation Systems, Sherman and Shalloway, February 10, 1987: US04642786 (231 worldwide citation)

Disclosed herein are method and apparatus for position and orientation measurement using a magnetic field and retransmission thereof. In a first embodiment, three coils are deployed as a three-axis antenna. A magnetic field is transmitted sequentially from the three coils each of which coil comprise ...


5
Cyril Houri: System and method for enabling continuous geographic location estimation for wireless computing devices. Mexens Intellectual Property Holding, Brian Roffe, July 8, 2008: US07397424 (208 worldwide citation)

System and method for enabling a wireless computing device to continuously determine its position includes a wireless computing device and a wireless positioning system substantially collocated therewith. The wireless positioning system has a first positioning mode in which it communicates with a wi ...


6
Charles D Huston, Darryl J Cornish: Golf distance measuring system and method. Charles D Huston, November 15, 1994: US05364093 (183 worldwide citation)

A method and system for determing the approximate distance from a golf ball to the golf cup on the golf-green is described. The system stores the location of the golf cup in computer memory and determines the location of a global positioning satellite receiver positioned near the golf ball. The syst ...


7
Hirofumi Nagareda, Noriyuki Kitta: Position measurement apparatus that detects location by receiving external signals. Casio Computer, Frishauf Holtz Goodman & Chick P C, July 30, 2002: US06426719 (163 worldwide citation)

A position measurement apparatus comprises at receiving unit, control unit, and detection unit that detect the motion of device, the position of device, or wearing situation of device, and the timing of receiving information by the receiving unit is controlled by the control unit in accordance with ...


8
Norman F Krasner: GPS receiver and method for processing GPS signals. SnapTrack, Blakely Sokoloff Taylor & Zafman, March 16, 1999: US05884214 (162 worldwide citation)

A global positioning system (GPS) receiver has first circuitry for receiving and processing pseudorandom sequences transmitted by a number of GPS satellites. The first circuitry is configured to perform conventional correlation operations on the received pseudorandom sequences to determine pseudoran ...


9
Donald Fisher: Golf computer and golf replay device. Roblor Marketing Group, Abelman Frayne & Schwab, April 16, 1996: US05507485 (160 worldwide citation)

A portable computer to facilitate the game of golf is programmed to record a golfer's score and keep track of various shots and the results of related wagering. Based upon such data and data regarding the layout of the golf course, the computer can provide real time recommendations for club selectio ...


10
Ulf Goran Forssen, Jan Erik Berg, Walter Ghisler: Method and system for determining the position of mobile radio terminals. Telefonaktiebolaget L M Ericsson, Jenkens & Gilchrist P C, February 29, 2000: US06031490 (152 worldwide citation)

The disclosure describes a novel Time Difference of Arrival (TDOA) method and system for determining the position of a first mobile radio terminal within an associated mobile radio system, which is based on Time of Arrival (TOA) measurements, including a plurality of radio base stations, measuring d ...