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Class Information
Number: 342/458
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Position indicating (e.g., triangulation) > Distance
Description: Subject matter including means to determine the extent of a space between two points.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8711038 High-resolution ranging and location finding using multicarrier signals Apr. 29, 2014
8706392 Distance detection device and collision determination device Apr. 22, 2014
8682351 Method and apparatus for locating a WLAN station based on a propagation delay of a signal Mar. 25, 2014
8682541 Sensor unit system Mar. 25, 2014
8676430 Controlling a vehicle having inadequate map data Mar. 18, 2014
8659476 Device and method for determining the distance and/or orientation of a moveable object Feb. 25, 2014
8659477 Base station device and distance measuring method Feb. 25, 2014
8659478 Wireless positioning method, wireless positioning apparatus, and mobile station Feb. 25, 2014
8632391 Card game machine Jan. 21, 2014
8619908 Wireless ranging system and related methods Dec. 31, 2013
8604978 Method and system for hybrid positioning using partial distance information Dec. 10, 2013
8587479 Position information detection system and position information detection method Nov. 19, 2013
8570221 Wireless localization techniques in lighting systems Oct. 29, 2013
8558737 System and method for using data phase to reduce position ambiguities Oct. 15, 2013
8559972 Method and system for automatically identifying wireless signal quality of a region Oct. 15, 2013
8552910 System and method of locating missing nodes in networks Oct. 8, 2013
8521352 Controlling a vehicle having inadequate map data Aug. 27, 2013
8509819 Information processing apparatus and correction method Aug. 13, 2013
8494567 Method for selecting an effective angle of reception of a directional antenna of a receiver node, corresponding storage means and receiver node Jul. 23, 2013
8483720 Smart/active RFID tag for use in a WPAN Jul. 9, 2013
8436765 Communication processing device and distance measurement method in communication processing device May. 7, 2013
8432253 Zone determination by combining signal strength with topological factors Apr. 30, 2013
8421676 Method and system for determining the location of an electronic device using multi-tone frequency signals Apr. 16, 2013
8412113 Radio communication device, program, radio communication method, and radio communication system Apr. 2, 2013
8401560 Infrastructure for location discovery Mar. 19, 2013
8395548 Mobile apparatus Mar. 12, 2013
8396655 Motor vehicle control system Mar. 12, 2013
8355739 Method and apparatus for locating a WLAN station based on a propagation delay of a signal Jan. 15, 2013
8352112 Autonomous vehicle management Jan. 8, 2013
8352111 Platoon vehicle management Jan. 8, 2013
8346478 Location and mobile-adaptation of wireless access-points using map-based navigation Jan. 1, 2013
8339317 Methods, systems and devices for determining the location of a mobile device based on simulcast communication signals Dec. 25, 2012
8340686 Positioning systems Dec. 25, 2012
8323081 Positioning system, air conditioning system, and lighting system Dec. 4, 2012
8326363 Portable terminal, base station, and method of specifying position of portable terminal Dec. 4, 2012
8319687 System for determining position in a work space Nov. 27, 2012
8289211 Method and apparatus for ranging Oct. 16, 2012
8289212 Apparatus for position detection using multiple antennas Oct. 16, 2012
8290437 Locating reference nodes for positioning devices in a wireless network Oct. 16, 2012
8284103 Systems and methods for using a satellite positioning system to detect moved WLAN access points Oct. 9, 2012
8242958 System and method for positioning using signal transmit power and signal receive packet error ratio Aug. 14, 2012
8228234 Power saving system and method for mobile computing device Jul. 24, 2012
8217838 System and method for using data phase to reduce position ambiguities Jul. 10, 2012
8212723 Method and apparatus for determining at a predetermined granularity the direction and range of a transmitting mobile device Jul. 3, 2012
8199054 Method for estimating distance between transmitter and receiver, and transmitter and receiver implementing same Jun. 12, 2012
8193985 Radio frequency positioning system and method Jun. 5, 2012
8193986 Method and system for enhancing a location server reference database through round-trip time (RTT) measurements Jun. 5, 2012
8183981 Passive tag with oscillator circuit and frequency identification system utilizing the same May. 22, 2012
8169369 Method and device for generating a location signal May. 1, 2012
8159396 Wireless proximity probe and method of operating same Apr. 17, 2012

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