Inventor
LIU NEN-CHIN
US18 patents
⚠️ This page may combine multiple inventors who share the name “LIU NEN-CHIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SENSORMATIC ELECTRONICS CORP
13 patentsUS5786762AJul 28, 1998
Magnetostrictive element for use in a magnetomechanical surveillance system
SENSORMATIC ELECTRONICS CORP57 citations96
US5469140ANov 21, 1995
Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same
SENSORMATIC ELECTRONICS CORP92 citations93
US7276128B2Oct 2, 2007
Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same
SENSORMATIC ELECTRONICS CORP16 citations92
US7088247B2Aug 8, 2006
Amorphous alloys for magneto-acoustic markers having reduced, low or zero cobalt content, and associated article surveillance system
SENSORMATIC ELECTRONICS CORP17 citations92
US6057766AMay 2, 2000
Iron-rich magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic
SENSORMATIC ELECTRONICS CORP35 citations92
US5568125AOct 22, 1996
Two-stage annealing process for amorphous ribbon used in an EAS marker
SENSORMATIC ELECTRONICS CORP48 citations92
US5351033ASep 27, 1994
Semi-hard magnetic elements and method of making same
SENSORMATIC ELECTRONICS CORP33 citations91
US5676767AOct 14, 1997
Continuous process and reel-to-reel transport apparatus for transverse magnetic field annealing of amorphous material used in an EAS marker
SENSORMATIC ELECTRONICS CORP46 citations90
US5565849AOct 15, 1996
Self-biased magnetostrictive element for magnetomechanical electronic article surveillance systems
SENSORMATIC ELECTRONICS CORP44 citations90
US7623039B2Nov 24, 2009
Magnetomechanical tag used in electronic article surveillance and method of manufacturing a magnetomechanical tag
SENSORMATIC ELECTRONICS CORP7 citations73
US5949334ASep 7, 1999
Magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic
SENSORMATIC ELECTRONICS CORP10 citations73
US5684459ANov 4, 1997
Curvature-reduction annealing of amorphous metal alloy ribbon
SENSORMATIC ELECTRONICS CORP13 citations71
US7023345B2Apr 4, 2006
Enhancing magneto-impedance modulation using magnetomechanical resonance
SENSORMATIC ELECTRONICS CORP4 citations63