| |
 |
|
Class Information
Number: 342/450
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Position indicating (e.g., triangulation)
Description: Subject matter including apparatus for determining the position in space of an object, vehicle or atmospheric condition by the reception of signals not having distinctive bearing or position determinative characteristics.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7626538 |
Augmented passive tracking of moving emitter |
Dec. 1, 2009 |
| 7626969 |
Relative location of a wireless node in a wireless network |
Dec. 1, 2009 |
| 7617542 |
Location-based content protection |
Nov. 10, 2009 |
| 7616555 |
Minimum variance location estimation in wireless networks |
Nov. 10, 2009 |
| 7612708 |
RF system for tracking objects |
Nov. 3, 2009 |
| 7609197 |
Method for measuring distance and position using spread spectrum signal, and an equipment using the method |
Oct. 27, 2009 |
| 7595754 |
Methods, systems and apparatus for integrated wireless device location determination |
Sep. 29, 2009 |
| 7593736 |
Positioning system for digital telephone networks |
Sep. 22, 2009 |
| 7579990 |
Method and system for estimating the location of a wireless terminal from a received signal strength |
Aug. 25, 2009 |
| 7579989 |
Method and system for emitter localisation |
Aug. 25, 2009 |
| 7570176 |
Radio frequency identification tag and a method of operating same |
Aug. 4, 2009 |
| 7567172 |
Wide area multipurpose tracking system |
Jul. 28, 2009 |
| 7567200 |
Method and apparatus for body position monitor and fall detect ion using radar |
Jul. 28, 2009 |
| 7557753 |
Spacecraft hardware tracker |
Jul. 7, 2009 |
| 7555330 |
Intrabody navigation system for medical applications |
Jun. 30, 2009 |
| 7554676 |
Positional measurement system and lens for positional measurement |
Jun. 30, 2009 |
| 7551129 |
Virtual real-time clock based on time information from multiple communication systems |
Jun. 23, 2009 |
| 7548731 |
Method to reduce power consumption of static wireless beacons and cost of infrastructure |
Jun. 16, 2009 |
| 7548815 |
Method and system for programmable mobile vehicle hotspots |
Jun. 16, 2009 |
| 7545326 |
Wireless tracking system and method with multipath error mitigation |
Jun. 9, 2009 |
| 7543071 |
Service providing system and detecting service that includes service providing device and service providing device that provides services via wireless network |
Jun. 2, 2009 |
| 7541968 |
System and method for detecting an intruder using impulse radio technology |
Jun. 2, 2009 |
| 7541942 |
Method and apparatus for processing signpost signals received by a tag |
Jun. 2, 2009 |
| 7542770 |
Method for mobile unit location estimate in a wireless LAN |
Jun. 2, 2009 |
| 7535411 |
System and method for detecting drifts in calibrated tracking systems |
May. 19, 2009 |
| 7532160 |
Distributed radio frequency ranging signal receiver for navigation or position determination |
May. 12, 2009 |
| 7529551 |
Ranging and positioning system, ranging and positioning method, and radio communication apparatus |
May. 5, 2009 |
| 7529618 |
Image forming system and image forming apparatus |
May. 5, 2009 |
| 7525434 |
RF systems and methods for tracking and singulating tagged items |
Apr. 28, 2009 |
| 7525426 |
Method and apparatus for location and tracking persons |
Apr. 28, 2009 |
| 7525484 |
Gateway and hybrid solutions for wireless location |
Apr. 28, 2009 |
| 7526378 |
Mobile information system and device |
Apr. 28, 2009 |
| 7518543 |
Method for determining positions of targets by bistatic measurements using signals scattered by the targets |
Apr. 14, 2009 |
| 7515087 |
Weather radar system and method using data from a lightning sensor |
Apr. 7, 2009 |
| 7515094 |
Advanced electromagnetic location of electronic equipment |
Apr. 7, 2009 |
| 7515092 |
Sub-frame synchronized residual radar |
Apr. 7, 2009 |
| 7504992 |
Wireless system using continuous wave phase measurement for high-precision distance measurement |
Mar. 17, 2009 |
| 7495613 |
System and method for position determination by impulse radio |
Feb. 24, 2009 |
| 7495612 |
Method and apparatus to improve ADS-B security |
Feb. 24, 2009 |
| 7487056 |
Precision of localization estimates |
Feb. 3, 2009 |
| 7486233 |
Method and system of positioning |
Feb. 3, 2009 |
| 7479926 |
System and method of utilizing positioning receiver hardware for network-based transceiver applications |
Jan. 20, 2009 |
| 7480563 |
Mobile object location providing device and mobile object location providing system |
Jan. 20, 2009 |
| 7479891 |
Device for rescue and safety for swimming pools and leisure parks |
Jan. 20, 2009 |
| 7477163 |
Apparatus and method for determining asset location via local triangulation |
Jan. 13, 2009 |
| 7471954 |
Methods and systems for estimating a user position in a WLAN positioning system based on user assigned access point locations |
Dec. 30, 2008 |
| 7471242 |
Method and apparatus for installing and/or determining the position of a receiver of a tracking system |
Dec. 30, 2008 |
| 7468697 |
Self-surveying wideband ground transmitters |
Dec. 23, 2008 |
| 7466266 |
Psuedo television transmitters for position location |
Dec. 16, 2008 |
| 7466232 |
Radio frequency identification asset management system and method |
Dec. 16, 2008 |
|
|
|
