173320 ⎘
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude
METHODS AND SYSTEMS FOR PHASE SENSITIVE ELECTROMAGNETIC SENSING VIA PHYSICALLY SEPARATED TRANSMITTER AND RECEIVER MODULES
#2METHOD AND APPARATUS FOR AUTONOMOUS GRAVITY AND/OR MAGNETIC FIELD MEASUREMENT
#3HIGH PERFORMANCE INDUCTIVE SENSING ALL DIGITAL PHASE LOCKED LOOP
#4FOREIGN OBJECT DETECTION APPARATUS AND METHOD, AND WIRELESS CHARGING TRANSMIT-END DEVICE
#5High performance inductive sensing all digital phase locked loop
#6Foreign object detection circuit and foreign object detection method
#7Q-factor detection method
#8High performance inductive sensing all digital phase locked loop
#9Foreign object detector, foreign object detection system, use of a foreign object detector, and method of detecting a foreign object
#10METHOD FOR OPERATING AN INDUCTIVE CHARGING DEVICE
#11Low-frequency receiver coil suspension system
#12Assembly For Monitoring The Occupancy State Of A Switch Or A Track Region
#13Systems and methods for detecting chips in fluid of aircraft engine
#14Radio test system and method for testing a device under test
#15Method and apparatus for controlling wireless induction power supply
#16Device and method for detecting an article
#17Method for testing a metal detection apparatus and metal detection apparatus
#18Method for foreign object detection for an induction charging device and induction charging device
#19Methods and apparatus for collocating electromagnetic coils and electronic circuits
#20Utility locator apparatus, systems, and methods
#21Apparatus and methods to find a position in an underground formation
#22Portable detector for metals detection including an advanced system for automatic standby
#23Method for detecting foreign objects in an induction charging device
#24Method and apparatus for controlling wireless induction power supply
#25NONCONTACT CHARGER SYSTEM
#26Eddy current type sensor for detecting conductor
#27Communication device and method for using speaker as a stud finder