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Class 324/207.22 - Having particular sensed object


Subclass of Class 324 - Electricity: measuring and testing
Definition: Subject matter in which a specific configuration or structure
No. of patents: 576
Last issue date: 04/17/2012


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NumberTitleIssue Date
8159214Position detecting system
A position detecting system includes a magnetic field generator, a detecting body, a magnetic field detector, a position/direction calculating unit, and a control unit. The magnetic field generator generates a magnetic field in a three-dimensional space. The detecti...
04/17/2012
8022694Non-contacting position sensor using a rotating magnetic vector
A sensor for sensing the position of an object includes a magnet and a magnetic flux sensor. The magnet has dimensions that include a length, a width and a height. The magnet is adapted to generate a flux field. The flux field has a magnitude of flux and a flux dire...
09/20/2011
7906958Electromagnetic induction type encoder
The invention provides a highly accurate and inexpensive electromagnetic induction type encoder capable of acquiring strong signal intensity with the offset reduced by a short scale coil, and is durable against fluctuations in the yaw direction, which includes a num...
03/15/2011
7898243Device for determining the strength of the magnetic field of an electromagnet
A device and a method for determining the magnetic field strength of an electromagnet is illustrated and described. The object to provide a device and a method for determining the strength of the field of an electromagnet, which allows even minor changes in the magn...
03/01/2011
7859250Sensor for measuring the position of an actuator
A sensor measures the position of an actuator of an internal combustion engine, wherein the actuator is electromotively driven by means of a drive connection. The housing of the actuator accommodates at least one position sensor which detects the position at the dri...
12/28/2010
7573259Multi-track sense magnet with reduced cross-talk
A multi-track sense magnet for use in a system for sensing the relative displacement of two elements, and including a magnetic structure that is moveable relative to detector devices for detecting movement of the magnetic structure. The magnetic structure includes a...
08/11/2009
7567077Non-contact position sensor
The length in the direction of movement of a magnet is effectively used for position detection without using a gap of a stator, where the magnet moves, as a magnetic path. According to a proportion of the slider (110), having a magnet (111), that enter...
07/28/2009
7557567Magnetic detection device
A magnetic detection device is provided in which a first signal is outputted in accordance with the mutual phase relationship between the output of a first magnetoelectric conversion output circuit and the output of a second magnetoelectric conversion output circuit...
07/07/2009
7443158Sensor, and method for measuring physical quantity by use of the sensor
A sensor includes a first X-axis GMR element to a fourth X-axis GMR element fixed on a substrate, and a movable coil movably supported on the substrate. When electric current flows through the movable coil, a magnetic field is generated around the movable coil. The ...
10/28/2008
7411386Method for measuring the length variation of a spring, and spring with associated sensor
A method for measuring a length variation of a spring, comprising the steps of associating a measurement device with a spring, determining a measurement of the intensity of a magnetic field of the measurement device, and, on the basis of the measurement of the inten...
08/12/2008
7405557Ball-and-socket joint with an angle sensor
A ball and socket joint with integrated angle sensor, especially for use as a vehicle level control in the chassis of a motor vehicle. The ball and socket joint has a ball and socket joint housing (1), a ball pivot (2) mounted in the ball and socket jo...
07/29/2008
7400140Rotation sensing by detection of magnetised regions provided on a body
A compact arrangement which enables rotation of a component of an apparatus to be sensed is provided. A component having a body with a plurality of discrete magnetised regions on its circumferentially outer surface, each region being formed in a layer and circumfere...
07/15/2008
7400265Remotely readable gas meter and method of using the same
A sensing device for remotely reading the position of the needles of a gas meter. The gas meter having a plurality of meter needles. The sensing device including directional magnetic field emitters each having a north and a south pole that are spaced from one anothe...
07/15/2008
7400141Magnetic type angle sensor
A magnetic type angle sensor includes a rotary body having a first sensed part provided on a circumferential surface thereof with projecting parts and recessed parts at equal intervals in a circumferential direction thereof and a second sensed part provided on a cir...
07/15/2008
7378839Magnetic encoder
A magnetic encoder having a magnetic sensor composed of SVGMR elements, in which a signal output with a half of a cycle of magnetic regions on a magnetic medium. The magnetic encoder comprises the magnetic medium, on which first magnetic regions and second magnetic ...
05/27/2008
7370853Vibration isolating bushing with embedded angular position sensor
A bushing assembly adapted for application in vehicle suspension systems includes an outer, generally cylindrical bushing member, an inner generally cylindrical bushing member arranged concentrically within the outer member. The two bushing members are interconnecte...
05/13/2008
7367714Instrumented rolling bearing
Instrumented rolling bearing device of the type including a non-rotating race, a rotating race, at least one row of rolling elements arranged between two raceways of the rotating and non-rotating races, and an assembly for detecting rotation parameters including a n...
05/06/2008
7367269Blast movement monitor and method for determining the movement of a blast movement monitor and associated rock as a result of blasting operations
A method for measuring the movement of boundaries between different portions of a heterogeneous rock body is disclosed. The method comprises placing a plurality of blast movement monitors 109 in a rock body prior to blasting and noting the position of each bl...
05/06/2008
7364051Remote actuator for ball injector
An electrical motor rotatably drives a motor shaft, and a helical rib radially extends from the shaft. The helical rib supports a number of balls, and forms a channel to accommodate the balls. The balls are dropped from the helical rib when the balls reach the botto...
04/29/2008
7363827Torque sensor system including an elliptically magnetized shaft
A torque sensor includes a shaft and a magnetic sensor. The shaft may have at least one active region having an elliptical magnetization. The magnetic sensor may be configured to sense a magnetic field about the shaft, where the magnetic field is representative of a...
04/29/2008
7362095Angle-measurement device and method for fabrication thereof
An angle-measurement device comprising at least one first tracer and one second tracer wherein the tracers are disposed on a common backing and are divided from one another by a separation groove. ...
04/22/2008
7360756Vibration isolating bushing with embedded speed/position sensor
A bushing assembly adapted for application in vehicle suspension systems includes an embedded position sensor and an embedded speed sensor. ...
04/22/2008
7358846Magnetic spin valve with a magnetoelectric element
The present invention provides systems and method utilizing magnetoelectric materials such as Cr2O3 to construct tunneling magnetoresistence and/or giant magnetoresistence structures for memory and/or logical circuitry. An applied voltage diffe...
04/15/2008
7358723Magnetoresistive sensor
What is described is a magnetoresistive sensor for operation with a magnetized encoder, which is equipped with a zone with magnetic north and south poles arranged alternately along a direction of motion, comprising a Wheatstone bridge configuration with a first brid...
04/15/2008
7356421Precise location of buried metallic pipes and cables in the presence of signal distortion
A new approach for locating an underground line described herein remains accurate in the face of bleedover by including both amplitude and phase from at least two magnetic field strength sensors in the measurement set. A numerical optimization step is introduced to ...
04/08/2008
7350617Method for mounting a steering angle and steering torque sensor and steering gear including a steering angle and steering torque sensor
A method for mounting a steering angle and steering torque sensor to a steering has the following steps: At first, there is provided a steering angle and steering torque sensor which includes a housing and a rotor. Then, the rotor and the housing are rotated through...
04/01/2008
7348704Rotor of motor and manufacturing method thereof
A rotor of a motor includes a cylindrical magnet having at least one first coupling portion at an inner circumferential surface of the cylindrical magnet; and a rotor core coupled with the cylindrical magnet, the rotor core having at least one second coupling portio...
03/25/2008
7345469Axle assembly with sensor mount
A vehicle axle assembly having an axle housing, an axle shaft and a sensor. The axle housing has a tubular portion. A flat is formed on an annular wall of the tubular portion proximate a distal end of the tubular portion. A hole, which intersects the flat, is formed...
03/18/2008
7339369Magnetic encoder
A magnetic encoder having a magnetic sensor composed of SVGMR elements, in which a signal output with a cycle equal to or less than a third of a cycle of magnetic patterns on a magnetic medium. The magnetic encoder comprises the magnetic medium, on which first magne...
03/04/2008
7334496Gearshift device for controlling the gear selection of a motor vehicle gearbox
A shifting device is provided for controlling the gear selection of a motor vehicle transmission with a housing, with a gearshift lever, which is arranged within a recess of the housing and can be pivoted in at least one vertical plane. A cover plate follows the piv...
02/26/2008
7331225Non-contact type liquid level sensor
A non-contact type liquid level sensor according to the invention has an electromagnetic shield plate mounted on a housing for blocking effects from an external magnetic field onto a magnetoelectric converting element. ...
02/19/2008
7320166Speed sensor encoder wheel and method of making
A method of making an encoder for use in a speed sensor includes providing a metal tube. A material containing ferrite is then extruded over the metal tube to produce an encoder tube. The encoder tube is cut to a given length to form an encoder. The encoder is then ...
01/22/2008
7319320Rotation angle detecting device
An improved rotation angle detecting device that detects a rotation angle of a first member relative to a second member is proposed. The rotation angle detecting device includes a magnet unit fixed to the first member and a pair of magnetic sensors fixed to the seco...
01/15/2008
7317270Electric machine with transducer system
An electric machine includes a stator, a rotor, an electrically insulated bearing unit for supporting the rotor, a transducer system, and at least one torque support for connecting the transducer system to the rotor and the stator. In order to prevent a potential eq...
01/08/2008
7312609GMR sensor element and its use
A GMR sensor element is proposed, having a rotationally symmetrical positioning of especially eight GMR resistor elements which are connected to each other to form two Wheatstone's full bridges. This GMR sensor element is especially suitable for use in an angle sens...
12/25/2007
7301330Electronic sensing circuit that compensates for reference voltage drift
A sensor (10) has an output coupled to a first comparator input. A control circuit (18) is arranged to switch from an upward tracking mode to a downward relative level detection mode, to a downward tracking mode, to an upward relative level detection m...
11/27/2007
7299899Digital sensor
The present invention concerns a digital sensor for monitoring the wear of lining material of a disc brake. The sensor is to be attached to the end of an adjusting shaft of an adjusting mechanism, which mechanism is used for adjusting the position of brake pads in r...
11/27/2007
7301331Magnetic sensor device having components mounted on magnet
A magnetic sensor device is used for detecting, e.g., a rotational speed of a rotor made of a magnetic material by sensing changes in a magnetic field. The magnetic sensor device is composed of a magnet, electronic components including a sensor chip and wiring for e...
11/27/2007
7296486Hydraulic motor drive sensor adapter
Angular movement detectors may be disposed within or proximate to joints in one or more members of articulated arms and linked via one or more communications networks to a controller to provide angular movement data to the controller for use in controlling movement ...
11/20/2007
7291949Mounting structure for motor controller of heat-dissipating device
A modified mounting structure for a heat-dissipating device. The heat-dissipating device has a motor and a seat with a slot mounted on a base or the cover portion of a stator thereof. The seat secures a motor controller of the heat-dissipating device detecting phase...
11/06/2007
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