Matches 1 - 50 out of 591 1 2 3 4 5 6 7 8 9 10 11 12 >
Match Document Document Title
7391206 Magnetic detection circuit and encoder  
To provide a low-cost magnetic detection circuit, in which the differential detection function accomplished by outputting differential signals may not be lost, and which may be hardly affected by...
7391205 Angular position magnetic sensor device  
An angular-position magnetic-sensor device includes at least one stator and one rotor. A space between said stator and said rotor, defining over substantially 360°, is a main air gap including at...
7391204 Sensor signal conditioning circuit  
A sensor signal conditioning circuit and sensor system incorporating the same. In one embodiment, the signal conditioning circuit includes a DC-coupled detector that converts a sensor signal into a...
7382122 Magnetic sensor  
A magnetic sensor includes a pair of serially-connected magneto-resistive elements ( 1 a , 1 b ), one of which serves as a sensing portion ( 6 ) made to face a magnetic detecting medium (S), and...
7382121 Rotational angle detector for detecting a rotational angle of a rotating body  
A rotational angle detector has a rotary body, a first detecting unit rotating in cooperation with the rotary body, a second detecting unit rotating in cooperation with the first detecting unit,...
7378842 Through the hole rotary position sensor with non-symmetric pole pieces  
A through the hole rotary position sensor which incorporates a single ring magnet with a central aperture. The rotating shaft whose angular position is to be sensed is received in the central...
7378839 Magnetic 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...
7377333 Linear position sensor for downhole tools and method of use  
Aspects of this invention include a downhole tool having first and second members disposed to translate substantially linearly with respect to one another. A magnet is deployed on the first member...
7375516 Magnetic field detector, current detector, position detector and rotation detector employing it  
A magnetic field detector having a reference magnetoresistive element and a magnetic field detecting magnetoresistive element. The reference magnetoresistive element and the magnetic field...
7372253 Magnetic field sensor for measuring the rotational speed of a turboshaft  
A sensor for measuring the rotational speed of a turboshaft of a turbocharger includes a sensor housing and a sensor element which is positioned in the sensor housing and which senses a variation...
7358723 Magnetoresistive 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...
7355822 Superparamagnetic field sensing device  
A ferromagnetic thin-film based magnetic field sensor having an electrically insulative intermediate layer with two major surfaces on opposite sides thereof with an initial film of an anisotropic...
7355389 Method and system for linear positioning  
Systems and methods for determining linear position are disclosed. An example system includes a magnet with first and second magnetic poles. The first and second magnetic poles define an axis of...
7355388 Rotation detecting device using magnetic sensor  
A rotation detecting device is provided that detects the rotation of a rotating object by means of a biasing permanent magnet and multiple sensor chips. The sensor chips are disposed on front and...
7352178 Nanostructured magnetoresistive network and corresponding method for detection of magnetic field  
Described herein is a magnetoresistive network responsive to a magnetic field of the type comprising a plurality of magnetoresistive elements. According to the invention, the one or more...
7352172 Relative position detecting apparatus using magneto-resistors  
The device according to the present invention comprises at least one magnetic field generating element, at least one magneto-resistor and at least one resistance-to-current converter generating a...
7349186 Magnetic read head  
A TMR head capable of reconciling high output with high band width is implemented. To that end, two multilayered films each comprised of an insulating layer and a ferromagnetic layer are formed at...
7345477 Magnetic detection device including resistance adjusting unit  
In a magnetic detection device for obtaining an output from between a variable resistance element using the magnetoresistance effect and a reference resistance element, a balance between resistance...
7339371 Rotation angle detector  
A rotation angle detector for detecting change in the magnetic flux has a magnetic sensor being disposed at a position in a space between an outer surface of a shaft and a periphery of the magnetic...
7339370 Position and torque sensor  
A sensor having a first array of N magnetic pole pairs, where N is a positive number, and a second array of M magnetic pole pairs, arranged substantially in parallel to the first array, where M is...
7339369 Magnetic 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...
7336070 Bridge circuited magnetic sensor having magneto-resistive element and fixed resistor with the same layer configuration  
The application provides a magnetic sensor which can suppress an irregularity of a central potential due to a change in a temperature, decrease size of the sensor, and lower the manufacturing cost...
7319318 Magnetic sensor  
A magnetic sensor that prevents offset voltage from changing as time elapses. The magnetic sensor detects change in the direction of the magnetic field when the electric resistances of magnetic...
7312609 GMR 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....
7307417 Rotation detecting device  
A rotation detecting device for detecting a rotating object includes a housing having a bearing and an mounting surface, a rotor member having magnetic peripheral portion and a rotary shaft that is...
7302940 Variable reluctance position sensor  
A position sensor is disclosed having a transducer formed by a Hall-effect device and permanent magnet secured within a housing on either side of a low permeability gap. A target secured to an...
7301353 Sensor element for providing a sensor signal, and method for operating a sensor element  
A method for operating a sensor element having two contact terminal pairs, comprises steps of providing a first measurement value by applying a first controlled variable having a first polarity...
7301332 Magnetic sensor assembly  
A sensor assembly includes a first magneto-resistive field sensor in a first surface-mountable package, which measures first and second components of a magnetic field projected onto respective...
7301331 Magnetic 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...
7301330 Electronic 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...
7301329 Sensor holder and method for the production thereof  
A sensor holder for mounting a sensor component is disclosed. In one aspect, the sensor holder comprises an elongate holding device, at the first axial end of which the sensor component is mounted...
7292028 Apparatus for sensing the absolute-value angle of a shaft  
An apparatus serves to sense the absolute value of the rotational position of a shaft ( 14 ). The apparatus has a first single-turn rotary encoder ( 30 ) that is arranged at one end ( 20 ) of the...
7288934 Electronic device incorporating magnetoresistive elements for sensing both N and S magnetic poles  
An electronic device has a display housing (second body), an operation housing (first body), and a connection member connecting the display housing to the operation housing. A magnet is provided...
7288931 Method for determining residual error compensation parameters for a magnetoresistive angle sensor and method for reducing a residual angle error in a magnetoresistive angle sensor  
In a method of determining residual error compensation parameters for a magnetoresistive angle sensor providing a first measurement signal depending on a rotational angle the step of generating a...
7283826 Contactless magnetic sensor for determination of the linear position of a moving body  
A magnetic sensor for determining the position of a cellular phone in linear movement along an axis of translation, the sensor including a measuring cell fitted to a magnetic circuit and capable of...
7279891 Permalloy bridge with selectable wafer-anistropy using multiple layers  
A magnetic sensing method and apparatus include a plurality of bridge circuits, wherein each bridge circuit or element within a bridge is formed on a separate permalloy layer comprising a plurality...
7275517 Intake-air control device for internal combustion engine  
An intake-air control device for an internal combustion engine in which a sensor member can be positioned further accurately is provided. A throttle position sensor includes magnetic field...
7268538 Magnetic rotational position sensor  
A magnetic rotational position sensor including first and second magnets spaced apart to define an air gap and cooperating with one another to generate a magnetic field within the air gap extending...
7265541 Magnetic sensor  
The magnetic sensor in the invention includes a detecting section that detects a change of magnetic flux due to a movement of the magnetic movable, comparator circuits constituting a converting...
7262594 Rotation angle detector  
A rotation angle detector includes a rotator, a detecting rotator, a magnet, an anisotropic magnetoresistive element, an amplifier, and a controller. The controller connects an output terminal of...
7259554 Angle position sensor with inner and outer magnetic rings  
The invention relates to an angle position sensor, for recording the angular position of a component which may rotate about a rotational axis, including a magnetic ring, fixed to the component...
7250753 Sensor attachment mechanism for fluid pressure cylinder  
Exemplary embodiments of the invention provide a sensor attachment mechanism capable of attaching a position detecting sensor having directivity in a proper direction to a fluid pressure cylinder...
7248037 Position sensing device for determining a relative position of a magnet with respect to a magnetic field sensing element pair  
A position detector includes a pair of magnetic sensors spaced from each other and a magnetic force generator movable relative to the pair of magnetic sensors. The length of the magnetic force...
7242181 Arrangement for determining position of a sensor in a magnetic field  
A description is given of an arrangement for determining the position of a magnetic-field-sensitive sensor unit in the magnetic field of a magnet arrangement having an at least substantially...
7241243 Electronic locking differential with bulkhead connector  
A power transmitting device, such as a differential, having a housing, input and output shafts, which are rotatably disposed in the housing, a gear set, one or more actuators and/or one or more...
7239131 Sensor element for revolution counter  
The invention concerns a sensor element ( 11 ) designed in particular for a revolution counter ( 10 ). It is possible to pass a magnetic field in front of said sensor element ( 11 ). The latter (...
7221151 Magnetic array position sensor  
A sensor apparatus and method that can measure either a linear position or an angular position of a device. A linear array of galvanomagnetic sensing elements is fixedly mountable adjacent the...
7219562 Angle sensor  
The invention provides an angular position sensor ( 1 ) comprising two magnets ( 32, 33 ) attached to the inside face of a rotor ( 31 ) for generating a magnetic field ( 50 ) and a magnetism...
7215113 Position detecting apparatus for actuator and variable valve lift mechanism for internal combustion engine  
A position detecting apparatus for an actuator includes a linear movement mechanism in which a magnet is provided; a coil which is provided so as to face the magnet such that a magnetic field is...
7210451 Throttle control devices  
A throttle control device includes a motor coupled to the throttle shaft, so that the throttle valve rotates to open and close an intake air channel as the motor is driven. A detection device...
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