171129 ⎘
Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position with electromagnetic counterbalancing means
ACCELEROMETER WITH PROOF MASS DISPLACEMENT SENSITIVITY REDUCTION FEATURE
#2ACCELEROMETER INCLUDING SINGLE MAGNET
#3ACCELEROMETER WITH THERMAL EXPANSION STRAIN PROTECTION
#4ACCELEROMETER FORMING A RECESS ENCLOSING AN ELECTROMAGNETIC COIL
#5Sensor having stress relieving support structure
#6Bias performance in force balance accelerometers
#7Vibration remote sensor based on speckles tracking, which uses an optical-inertial accelerometer, and method for correcting the vibrational noise of such a sensor
#8Temperature dependent acceleration current source circuitry
#9Accelerometer including rectangular coil and rectangular pole piece
#10Multilayer excitation ring
#11Multilayer magnetic circuit assembly
#12Stress relieving sensor flange
#13Low-noise multi axis MEMS accelerometer
#14ACCELEROMETER WITH BUILT-IN TEMPERATURE CORRECTION
#15Accelerometer with built-in temperature correction
#16Vibration rectification error correction circuit, physical quantity sensor module, structure monitoring device, and correction value adjustment method of vibration rectification error correction circuit
#17Vibrating-mass gyroscope system
#18Accelerometer control
#19Accelerometer with built-in temperature correction
#20Reducing bias in an accelerometer via current adjustment
#21Reducing bias in an accelerometer via a pole piece
#22De-centralized control architecture for improved sensitivity of accelerometer-based gravity gradiometers
#23High-precision magnetic suspension accelerometer
#24Accelerometer
#25Reducing hysteresis effects in an accelerometer
#26Reducing hysteresis effects in accelerometer
#27Stress reduction components for sensors
#28Closed loop control techniques for displacement sensors with optical readout
#29Fabrication process and package design for use in a micro-machined seismometer or other device
#30Hung mass accelerometer with differential Eddy current sensing
#31Stress reduction components for sensors
#32Magnetically reinforced servo accelerometer
#33Precision apparatus using low thermal expansion component
#34Fabrication process and package design for use in a micro-machined seismometer or other device
#35Method for sensing acceleration using a translational mass in-plane MEMS accelerometer
#36Translational mass in-plane MEMS accelerometer
#37Using pole pieces to guide magnetic flux through a MEMS device and method of making
#38Using pole pieces to guide magnetic flux through a MEMS device and method of making
#39Servo accelerometer
#40SYSTEM AND METHOD FOR INCREASED FLUX DENSITY D'ARSONVAL MEMS ACCELEROMETER
#41MEMS accelerometer having a flux concentrator between parallel magnets
#42D'arsonval movement mems accelerometer
#43MEMS accelerometer
#44MEMS force balance accelerometer
#45Methods and systems for minimizing vibration rectification error in magnetic circuit accelerometers
#46FLEXURE TYPE ACCELEROMETER AND METHOD OF MAKING SAME
#47Fabrication process and package design for use in a micro-machined seismometer or other device
#48DIGITAL-TO-ANALOG CONVERTER AND METHOD OF DIGITAL-TO-ANALOG CONVERSION
#49Servo accelerometer
#50Magnetic null accelerometer
#51Tri-axial accelerometer
#52Magnetofluidic unidirectional accelerometer
#53Compensating accelerometer with optical angle sensing
#54Servo compensating accelerometer
#55Methods and systems for adjusting magnetic return path with minimized reluctance
#56Digital accelerometer
#57Super Invar magnetic return path for high performance accelerometers
#58Magnetofluidic accelerometer with active suspension
#59Three axis active magnetic levitation for inertial sensing systems
#60Micro-machined suspension plate with integral proof mass for use in a seismometer or other device