Method and system for determining the location of an electronic device using multi-tone frequency signals
M Moshfeghi - US Patent 8,754,812, 2014 - Google Patents
Embodiments of the present invention include a method of determining a location of a
mobile device. The method com prises transmitting a signal between a plurality of known …
mobile device. The method com prises transmitting a signal between a plurality of known …
Method and apparatus for tracking objects and people
F Sawyer - US Patent 8,742,929, 2014 - Google Patents
An object locating, identifying, tracking, and Surveillance system, denoted the Assets
Locating, Tracking, and Surveil lance System (ALTSS), is provided for managing physical …
Locating, Tracking, and Surveil lance System (ALTSS), is provided for managing physical …
Wireless communications circuitry with simultaneous receive capabilities for handheld electronic devices
LJ Sanguinetti - US Patent 8,660,501, 2014 - Google Patents
Handheld electronic devices are provided that contain wire less communications circuitry.
The wireless communications circuitry has simultaneous reception functions that allow the …
The wireless communications circuitry has simultaneous reception functions that allow the …
Object monitoring, locating, and tracking system and method employing RFID devices
KKT Chung, CTW Chu, JJ Li - US Patent 8,686,861, 2014 - Google Patents
(60) Division of application No. 1 1/749,976, filed on May 17, 2007, now Pat. No. 7,839,289,
which is a (57) ABSTRACT continuation-in-part of application No. 1 1/198.439,-0 filed on …
which is a (57) ABSTRACT continuation-in-part of application No. 1 1/198.439,-0 filed on …
Systems and methods to use radar in RFID systems
JR Tuttle - US Patent 8,830,062, 2014 - Google Patents
Systems and methods to use radar systems for radio fre quency identification (RFID)
applications. In one embodi ment, radar systems are adapted to use RFID communications …
applications. In one embodi ment, radar systems are adapted to use RFID communications …
Method and apparatus for tracking objects and people
F Sawyer - US Patent 8,896,449, 2014 - Google Patents
An object locating, identifying, tracking, and Surveillance system, denoted the Assets
Locating, Tracking, and Surveil lance System (ALTSS), is provided for managing physical …
Locating, Tracking, and Surveil lance System (ALTSS), is provided for managing physical …
Method and apparatus for tracking objects and people
F Sawyer - US Patent 8,866,615, 2014 - Google Patents
Apr. 23, 2012, now Pat. No. 8,742,929, which is a (S7) ABSTRACT continuation of
application No. 12/901.889, filed on An object locating, identifying, tracking, and …
application No. 12/901.889, filed on An object locating, identifying, tracking, and …
Method for short-range proximity derivation and tracking
S Gibbs, N Graube, B Tarlow, M Jarvis… - US Patent App. 13 …, 2014 - Google Patents
A system has short-range transmission devices, each of which corresponds to a range of
zones in a three dimensional space. The short-range devices are positioned at various …
zones in a three dimensional space. The short-range devices are positioned at various …
Method and apparatus for tracking objects and people
F Sawyer - US Patent 8,842,013, 2014 - Google Patents
An object locating, identifying, tracking, and Surveillance system, denoted the Assets
Locating, Tracking, and Surveil lance System (ALTSS), is provided for managing physical …
Locating, Tracking, and Surveil lance System (ALTSS), is provided for managing physical …
Systems and methods to determine motion parameters using RFID tags
JR Tuttle - US Patent 8,633,805, 2014 - Google Patents
BACKGROUND A typical radio frequency identi? cation (RFID) tag has a memory con?
gured to store data, such as data that uniquely identi? es the tag among a plurality of RFID …
gured to store data, such as data that uniquely identi? es the tag among a plurality of RFID …