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Class Information
Number: 342/464
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Position indicating (e.g., triangulation) > Having plural transmitters or receivers > Plural transmitters only
Description: Subject matter including more than one transmitter.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8704713 Methods and apparatuses for use in identifying wireless transmitting devices for use in estimating a location of a mobile device Apr. 22, 2014
8692667 Methods and apparatus for distributed learning of parameters of a fingerprint prediction map model Apr. 8, 2014
8682341 Blind identification of single-frequency-network transmitters Mar. 25, 2014
8677440 Position determination using ATSC-M/H signals Mar. 18, 2014
8665156 Position estimation assistance information for mobile station Mar. 4, 2014
8659478 Wireless positioning method, wireless positioning apparatus, and mobile station Feb. 25, 2014
8618984 Selecting beacons for location inference Dec. 31, 2013
8538686 Transport-dependent prediction of destinations Sep. 17, 2013
8472971 Method and apparatus for determining whether a mobile terminal has moved outside a given locale Jun. 25, 2013
8456363 Position detection device, position detection method and position detection program Jun. 4, 2013
8446320 Reliable location information for a mobile station using a non-GPS location technique May. 21, 2013
8436773 Method for leveraging diversity for enhanced location determination May. 7, 2013
8416134 Systems and methods for providing geolocation using wireless signals Apr. 9, 2013
8378888 System and method for determining the location of a mobile device Feb. 19, 2013
8374624 Location measurement method based on predictive filter Feb. 12, 2013
8350758 Systems and methods for indoor geolocation based on yield of RF signals Jan. 8, 2013
8344947 Multipath mitigation in positioning systems Jan. 1, 2013
8344949 Wireless positioning approach using time-delay of signals with a known transmission pattern Jan. 1, 2013
8326363 Portable terminal, base station, and method of specifying position of portable terminal Dec. 4, 2012
8310397 System and method for effectively performing enhanced mobile-device location procedures Nov. 13, 2012
8299966 Robust low-frequency spread-spectrum navigation system Oct. 30, 2012
8294617 Location-determining system for radio clients within local-area spaces Oct. 23, 2012
8253628 Transfer of calibrated time information in a mobile terminal Aug. 28, 2012
8237613 Apparatus and method for identifying subscriber position in portable terminal Aug. 7, 2012
8232913 Multilateration system and method Jul. 31, 2012
8212724 Position indicating process Jul. 3, 2012
8188923 Method of multi-transmitter and multi-path AOA-TDOA location comprising a sub-method for synchronizing and equalizing the receiving stations May. 29, 2012
8184053 Position estimating system, radio communication apparatus, program, position estimating method and information server May. 22, 2012
8149169 Extensible object location system and method using multiple references Apr. 3, 2012
8138967 Multilateration system and method Mar. 20, 2012
8125377 System and method for determining the location of a mobile device Feb. 28, 2012
8125389 Doppler-aided positioning, navigation, and timing using broadcast television signals Feb. 28, 2012
8120533 Method and system for deriving location information from utility lines Feb. 21, 2012
8095647 Method and apparatus for geographic-based communications service Jan. 10, 2012
8089408 Robust low-frequency spread-spectrum navigation system Jan. 3, 2012
8085201 System for determining position over a network Dec. 27, 2011
8077659 Method and apparatus for locating mobile multimedia multicast system capable wireless devices Dec. 13, 2011
8054181 Terrestial-signal based exclusion zone compliance Nov. 8, 2011
8040219 System and method for in-building location determination Oct. 18, 2011
8040275 Method and apparatus for geographic positioning Oct. 18, 2011
8022875 Indoor localization system and method Sep. 20, 2011
8022876 Indoor localization system and method Sep. 20, 2011
8019282 System and method for locating and accessing wireless resources Sep. 13, 2011
7995988 System and method for identifying the position of mobile terminals Aug. 9, 2011
7982672 Reception device Jul. 19, 2011
7983185 Systems and methods for space-time determinations with reduced network traffic Jul. 19, 2011
7916026 Real-time location system using tag interrogator and embedded or fixed tag transmitters Mar. 29, 2011
7916074 System and method for positioning in configured environments Mar. 29, 2011
7898409 Circuit for exclusion zone compliance Mar. 1, 2011
7898344 Phase-locked oscillator and multi-radar system using same Mar. 1, 2011

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