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Class Information
Number: 340/572.6
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") > Having "soft" magnetic element (e.g., permalloy)
Description: Subject matter where the device or tag includes an element having magnetic properties of high permeability and low coercivity.


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7609165 Method and apparatus for magnetically activated radio or infrared identification system Oct. 27, 2009
7561043 Marker for mechanically resonant article surveillance system Jul. 14, 2009
7561051 Magnet locating apparatus and method of locating a magnet using such apparatus Jul. 14, 2009
7532123 Magnetic tagging May. 12, 2009
7522054 Contactless identification tag Apr. 21, 2009
7515049 Extended read range RFID system Apr. 7, 2009
7503491 RFID chip and antenna with improved range Mar. 17, 2009
7498941 IC tag communication system Mar. 3, 2009
7495565 Methods and apparatus for arbitrary antenna phasing in an electronic article surveillance system Feb. 24, 2009
7495572 Smart sensor systems--swimmer detection Feb. 24, 2009
7454978 Versatile strain sensor employing magnetostrictive electrical conductors Nov. 25, 2008
7439862 Antenna array for an RFID reader compatible with transponders operating at different carrier frequencies Oct. 21, 2008
7436302 Low cost RFID labeling device Oct. 14, 2008
7432815 Marker for a magnetic theft protection system and method for its production Oct. 7, 2008
7411893 Secure optical information disc Aug. 12, 2008
7382254 Storage medium having RFID tag and methods for using same Jun. 3, 2008
7348890 Pest control techniques Mar. 25, 2008
7307535 Air coil RF transponder and method of making same Dec. 11, 2007
7304574 Alarm investigation using RFID Dec. 4, 2007
7292148 Method of variable position strap mounting for RFID transponder Nov. 6, 2007
7276128 Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same Oct. 2, 2007
7259672 Contactless identification tag Aug. 21, 2007
7239240 Method and apparatus for implementing security protection over RFID Jul. 3, 2007
7233249 Multi-bit encoded glass-coated microwire and articles composed thereof Jun. 19, 2007
7212124 Portable information device May. 1, 2007
7205893 Marker for mechanically resonant article surveillance system Apr. 17, 2007
7205899 Flexible transponder label which is readable on conductive surfaces Apr. 17, 2007
7187645 Secure optical information disc having a minimized metal layer Mar. 6, 2007
7184392 Secure optical information disc Feb. 27, 2007
RE39490 Security device having multiple security features and method of making same Feb. 20, 2007
7142113 Method and apparatus to detect an external source Nov. 28, 2006
7132932 Method and apparatus for locating a fire hose Nov. 7, 2006
7119693 Integrated circuit with enhanced coupling Oct. 10, 2006
7109867 RFID tags with EAS deactivation ability Sep. 19, 2006
7102522 Tamper-indicating radio frequency identification antenna and sticker, a radio frequency identification antenna, and methods of using the same Sep. 5, 2006
7088247 Amorphous alloys for magneto-acoustic markers having reduced, low or zero cobalt content, and associated article surveillance system Aug. 8, 2006
7084770 Combination radio frequency identification transponder (RFID tag) and magnetic electronic article surveillance (EAS) tag Aug. 1, 2006
7075439 Marker for remote detection of articles Jul. 11, 2006
7075440 Miniature magnetomechanical marker for electronic article surveillance system Jul. 11, 2006
7026938 Ferromagnetic element for use in a marker in a magnetomechanical electronic article surveillance system Apr. 11, 2006
7023345 Enhancing magneto-impedance modulation using magnetomechanical resonance Apr. 4, 2006
7019647 Telesurveillance installation and operating process thereof Mar. 28, 2006
7012530 Electronic label Mar. 14, 2006
7002475 Combination radio frequency identification transponder (RFID tag) and magnetic electronic article surveillance (EAS) tag Feb. 21, 2006
6947371 Secure optical information disc Sep. 20, 2005
6937011 Detector for magnetizable material using amplitude and phase discrimination Aug. 30, 2005
6864793 Magnetic marker and manufacturing method therefor Mar. 8, 2005
6774793 Deactivating element for magnetic marker and method of making same Aug. 10, 2004
6762683 Tag device Jul. 13, 2004
6747548 Non-contact IC card system and non-contact IC card Jun. 8, 2004

1 2 3 4 5


 
 
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