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Class Information
Number: 340/572.4
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Article placement or removal (e.g., anti-theft) > Detectable device on protected article (e.g., "tag") > Specified processing arrangement for detected signal
Description: Subject matter where the manner of handling the detected signal, which results in a determination of placement or removal, is specified.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7408465 |
Method of using RFID systems to help blind and visually-impaired individuals |
Aug. 5, 2008 |
| 7408466 |
Adjusting RFID waveform shape in view of detected RF energy |
Aug. 5, 2008 |
| 7408480 |
Dual mode electronic toll collection transponder |
Aug. 5, 2008 |
| 7408463 |
Radio frequency identification tag |
Aug. 5, 2008 |
| 7405662 |
Wireless tag ranging |
Jul. 29, 2008 |
| 7406320 |
Method and system for location estimation in wireless networks |
Jul. 29, 2008 |
| 7405663 |
System for detecting radio-frequency identification tags |
Jul. 29, 2008 |
| 7405661 |
Real-time system for monitoring theft protection |
Jul. 29, 2008 |
| 7405660 |
Error recovery in RFID reader systems |
Jul. 29, 2008 |
| 7405659 |
RFID tag switched capacitor slicer threshold |
Jul. 29, 2008 |
| 7405658 |
System and method for monitoring assets, objects, people and animals utilizing impulse radio |
Jul. 29, 2008 |
| 7405657 |
RFID tag for protecting information and method for protecting personal information |
Jul. 29, 2008 |
| 7403762 |
Method and system for building a location beacon database |
Jul. 22, 2008 |
| 7403744 |
Self-associating wireless personal area network |
Jul. 22, 2008 |
| 7403122 |
RFID tag circuits operable at different speeds |
Jul. 22, 2008 |
| 7400248 |
Sensor devices with RFID communications |
Jul. 15, 2008 |
| 7400253 |
Harvesting ambient radio frequency electromagnetic energy for powering wireless electronic devices, sensors and sensor networks and applications thereof |
Jul. 15, 2008 |
| 7397377 |
Characterizing a cargo container |
Jul. 8, 2008 |
| 7397376 |
Object tracking method and system using tags |
Jul. 8, 2008 |
| 7397374 |
Traceability system |
Jul. 8, 2008 |
| 7397373 |
System and method for security and electronic article surveillance |
Jul. 8, 2008 |
| 7397358 |
Method and system for location-centric information retrieval from wireless devices using RFID coding |
Jul. 8, 2008 |
| 7394372 |
Method and apparatus for aggregating and communicating tracking information |
Jul. 1, 2008 |
| 7394382 |
Battery-assisted backscatter RFID transponder |
Jul. 1, 2008 |
| 7394381 |
Marine asset security and tracking (MAST) system |
Jul. 1, 2008 |
| 7394379 |
Unique method for embedding business process into RFID grid |
Jul. 1, 2008 |
| 7394370 |
Apparatus and method of acquiring and storing data of close contacts |
Jul. 1, 2008 |
| 7391325 |
Multifunctional multichip system for wireless sensing |
Jun. 24, 2008 |
| 7391329 |
Performance driven adjustment of RFID waveform shape |
Jun. 24, 2008 |
| 7391328 |
Radio frequency identification system |
Jun. 24, 2008 |
| 7388504 |
RFID standoff label and method of use |
Jun. 17, 2008 |
| 7388501 |
Method of enabling two-state operation of electronic toll collection system |
Jun. 17, 2008 |
| 7388500 |
Enhanced mechanism for radio frequency identification reader |
Jun. 17, 2008 |
| 7388499 |
Electronic tag authentication device and communication adjustment method with electronic tag |
Jun. 17, 2008 |
| 7388497 |
Radio frequency identification tag |
Jun. 17, 2008 |
| 7388490 |
Methods and systems for locating VOIP terminals for improved 911 service |
Jun. 17, 2008 |
| 7388489 |
System and method for managing data on an RFID tag associated with a product |
Jun. 17, 2008 |
| 7387260 |
MOS electronic article surveillance, RF and/or RF identification tag/device, and methods for making and using the same |
Jun. 17, 2008 |
| 7385511 |
Carrierless RFID system |
Jun. 10, 2008 |
| 7382261 |
Radio frequency identification security system and method |
Jun. 3, 2008 |
| 7382259 |
Image forming apparatus with radio frequency identification function and method of using the same |
Jun. 3, 2008 |
| 7382243 |
Personal emergency response system with interconnected slave units |
Jun. 3, 2008 |
| 7378941 |
Method for setting product number in ROM type RFID chip and method, apparatus and system for managing product implementation |
May. 27, 2008 |
| 7378956 |
ULID data structure, ULID-based location acquisition method and location-based service system |
May. 27, 2008 |
| 7378966 |
RFID device groups |
May. 27, 2008 |
| 7378967 |
RFID tag sensitivity |
May. 27, 2008 |
| 7378968 |
Detecting the position of an RFID attached asset |
May. 27, 2008 |
| 7378969 |
Systems and methods for visualizing auto-id data |
May. 27, 2008 |
| 7375640 |
System, method and implementation for increasing a likelihood of improved hand hygiene in a desirably sanitary environment |
May. 20, 2008 |
| 7375638 |
Electronic tether for portable objects |
May. 20, 2008 |
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