Inventor
O'HANDLEY ROBERT C
US22 patents
⚠️ This page may combine multiple inventors who share the name “O'HANDLEY ROBERT C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SENSORMATIC ELECTRONICS CORP
5 patentsUS6057766AMay 2, 2000
Iron-rich magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic
SENSORMATIC ELECTRONICS CORP35 citations92
US5969612AOct 19, 1999
Stabilizing the position of an active element in a magnetomechanical EAS marker
SENSORMATIC ELECTRONICS CORP23 citations92
US5825290AOct 20, 1998
Active element for magnetomechanical EAS marker incorporating particles of bias material
SENSORMATIC ELECTRONICS CORP33 citations92
US5351033ASep 27, 1994
Semi-hard magnetic elements and method of making same
SENSORMATIC ELECTRONICS CORP33 citations91
US5949334ASep 7, 1999
Magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic
SENSORMATIC ELECTRONICS CORP10 citations73
FERRO SOLUTIONS INC
4 patentsUS7569952B1Aug 4, 2009
High efficiency, inductive vibration energy harvester
FERRO SOLUTIONS INC172 citations97
US6984902B1Jan 10, 2006
High efficiency vibration energy harvester
FERRO SOLUTIONS INC170 citations96
US7952349B2May 31, 2011
Apparatus and method utilizing magnetic field
FERRO SOLUTIONS INC96 citations93
US7808236B1Oct 5, 2010
Energy harvester utilizing external magnetic field
FERRO SOLUTIONS INC49 citations92
MASSACHUSETTS INST TECHNOLOGY
4 patentsUS5958154ASep 28, 1999
High-strain, magnetic field-controlled actuator materials
MASSACHUSETTS INST TECHNOLOGY66 citations94
US5225004AJul 6, 1993
Bulk rapidly solifidied magnetic materials
MASSACHUSETTS INST TECHNOLOGY84 citations93
US5049335ASep 17, 1991
Method for making polycrystalline flakes of magnetic materials having strong grain orientation
MASSACHUSETTS INST TECHNOLOGY6 citations57
US5030332AJul 9, 1991
Method for making magnetic oxide precipitates
MASSACHUSETTS INST TECHNOLOGY3 citations55
SPINIX CORP
3 patentsUS6437558B2Aug 20, 2002
Passive solid-state magnetic field sensors and applications therefor
SPINIX CORP140 citations98
US6809516B1Oct 26, 2004
Passive magnetic field sensors having magnetostrictive and piezoelectric materials
SPINIX CORP88 citations97
US6809515B1Oct 26, 2004
Passive solid-state magnetic field sensors and applications therefor
SPINIX CORP48 citations95