accelerometer (Total 5044 Patents Found)

An electromagnetic accelerometer includes a moving mass suspended to a peripheral frame and associated with stress gauges forming sensors for detecting the displacement of the moving mass which supports a coil, and a permanent magnet which is associated with a magnetic circuit formed by two pole pieces defining two air...
A microcantilever used in Atomic Force Microscopy (AFM) includes an elongated cantilevered body with a probe tip placed preferably near its free end and preferably along the cantilever's axis. Some embodiments of the present invention integrate into the microcantilever body an embedded or etched paddle that rotates...
A control system and method for obtaining combustion stability in an internal combustion engine including an accelerometer mounted on the engine for detecting engine block vibrations and an engine controller for processing an accelerometer output signal indicating engine block vibration intensity to measure cylinder co...
The present invention relates to accelerometer assemblies for implantable medical devices such as pacemakers, IPGs, PCDs, defibrillators, ICDs and the like. The accelerometer assembly of the present invention comprises a beam that deflects in response to being subjected to an externally provided force. Deflection of th...
A display device having an illumination system with integrated accelerometer is disclosed in which a portion of the illumination system is used as the proof mass for the accelerometer. In one embodiment, the display device includes a plurality of display elements, one or more light sources, one or more light redirector...
An accelerometer device particularly adapted for use in automotive safety air bag applications comprises an electrically insulating substrate having electrically conducting circuit paths, signal conditioning circuit components, and an accelerometer unit mounted thereon, the substrate being fixed in position on three pi...
A piezoelectric accelerometer with electrostatic screening having at least one piezoelectric element with electrodes provided between the inertial mass and the foundation. Said accelerometer is fashioned as a single monolithic block made of a piezoelectric material divided, by hollows, into regions serving as the found...
An accelerometer includes a measurement mass, a top cap silicon wafer and a bottom cap silicon wafer, both of which are coupled with the measurement mass. The measurement mass includes a support frame, a mass, and a plurality of resilient beams. The mass and the resilient beams are located within the support frame. The...
The invention relates to an accelerometer comprising a moving mass ( 5 ) and a fixed part ( 2 ), which uses variations in capacitance ( 3, 4 ) in order to detect the movement of the mass ( 5 ). The inventive accelerometer comprises a first series of electrodes ( 3, 4 ) which are solidly connected to the mass ( 5 ) and ...
本发明涉及一种基于遗传算法的加速度计免转台标定方法,在现场工作环境中,对加速度计进行任意姿态位置摆放并进行静态数据采集,对采集后获得的原始数据进行平均计算;将待标定的各项参数作为状态变量,构造目标函数,将标定问题...
A monitoring device (20) for monitoring the vital signs of a user is disclosed herein. The monitoring device (20) is preferably comprises an article (25), an optical sensor (30), an accelerometer (710) and processor (741). The optical sensor (30) preferably comprises a photodetector (36) and a plurality of light emitti...
A low cost, pendulous, capacitive-sensing Micro Electro-Mechanical Systems (MEMS) accelerometer is provided. The accelerometer includes a pendulous proof mass, one or more securing pads, and one or more flexures coupled with the pendulous proof mass and the one or more securing pads. The flexures flex linearly with res...
An accelerometer comprises a chamber and a proof mass supported by an elastic element within the chamber. The elastic element is formed of fused silica. A sensor senses displacement of the proof mass. Means to inhibit interaction of water vapour with the elastic element is provided....
An accelerometer telemetry system incorporated in a finger ring is used for monitoring the motor responses of a subject. The system includes an accelerometer, battery and transmitter and provides information to a remote receiver regarding hand movements of a subject wearing the ring, without the constraints of wires. P...