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Class Information
Number: 324/173
Name: Electricity: measuring and testing > Electrical speed measuring > Including speed-related frequency generator > Including magnetic detector
Description: Subject matter in which the means for producing a speed signal included means producing a magnetic field and further means sensitive to changes in the field to produce an electrical signal.

Sub-classes under this class:

Class Number Class Name Patents
324/174 Permanent magnet type 685

Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8710833 Contactless electrical connector for an induction sensor, and sensor including such a connector Apr. 29, 2014
8710825 Method and system of a sensor interface having dynamic automatic gain control Apr. 29, 2014
8686720 Motion sensor, method, and computer-readable storage medium providing a motion sensor with a validated output signal from the motion sensor Apr. 1, 2014
8664944 Angle measuring system and method for producing an angle measuring system Mar. 4, 2014
8648589 Magnetoresistive sensor employing nitrogenated Cu/Ag under-layers with (100) textured growth as templates for CoFe, CoFeX, and Co.sub.2(MnFe)X alloys Feb. 11, 2014
8624588 Apparatus and method for providing an output signal indicative of a speed of rotation and a direction of rotation as a ferromagnetic object Jan. 7, 2014
8613347 Arrangement of a brake disc on a wheel hub Dec. 24, 2013
8575924 Magnetic field sensor element Nov. 5, 2013
8558542 Magnetic detector and input device using the same Oct. 15, 2013
8540431 Sensor-equipped bearing for wheel Sep. 24, 2013
8531182 Control system and method for providing position measurement with redundancy for safety checking Sep. 10, 2013
8493017 Electrical drive with switchable coil sections Jul. 23, 2013
8450996 Motion sensor, method, and computer-readable storage medium providing a motion sensor with a magnetic field sensing element for generating a magnetic field signal and a state processor to iden May. 28, 2013
8436606 Rotation detector May. 7, 2013
8432158 Apparatus and method for determining speed and direction of slotted targets utilizing dual magnetic sensor packaging Apr. 30, 2013
8427135 Directional speed sensing systems and methods Apr. 23, 2013
8378673 Derailleur cable detecting assembly for an electric-auxiliary bicycle Feb. 19, 2013
8378665 Rotation sensor-equipped bearing device for wheel Feb. 19, 2013
8339127 Rotation sensor unit Dec. 25, 2012
8330453 Current detection apparatus Dec. 11, 2012
8330451 Sensor for measuring rotational speeds as well as for the simultaneous determination of direction of rotation Dec. 11, 2012
8297848 Magnetic encoder and rolling bearing Oct. 30, 2012
8258782 Angle detecting apparatus and angle detecting method Sep. 4, 2012
8253413 System that obtains a switching point with the encoder in a static position Aug. 28, 2012
8253410 Protective system for a multiple channel transformer probe Aug. 28, 2012
8248064 Inductive speed detector Aug. 21, 2012
8248062 Rotational direction detector and method for determining the direction of rotation of a wheel Aug. 21, 2012
8237431 Wheel speed sensor Aug. 7, 2012
8193748 Integrated brushless DC motor and controller Jun. 5, 2012
8191973 Method for the creation of a pole wheel/wheel hub connection and arrangement thereof Jun. 5, 2012
8188729 Rolling bearing with a rotation sensor May. 29, 2012
8174257 Wheel bearing device with rotation detector May. 8, 2012
8169214 Angular position sensor May. 1, 2012
8148974 Pulse generator wheel, preferably for shafts, and method for manufacturing such a pulse generator wheel Apr. 3, 2012
8120352 Device for self-adjusting and method for arranging an impulse transmitter in relation to a rotor Feb. 21, 2012
8115477 Shaft speed sensor with analog output Feb. 14, 2012
8111062 Low mass driveshaft speed sensor assembly Feb. 7, 2012
8102172 Position detector including magnetoresistive elements Jan. 24, 2012
8096710 Rotor for use in rotary encoder and wheel rolling bearing assembly including the same Jan. 17, 2012
8089270 Magnetic field detector having a variable threshold Jan. 3, 2012
8054062 Method and apparatus for amplified variable reluctance speed sensor Nov. 8, 2011
8035498 Wireless monitoring system with a self-powered transmitter Oct. 11, 2011
8020676 Tone ring for an anti-lock brake system Sep. 20, 2011
8015708 Method and apparatus for manufacturing tonewheel for vehicles Sep. 13, 2011
8008908 Low power magnetic field sensor Aug. 30, 2011
7997391 Anti-lock brake device for use with a brake rotor disc Aug. 16, 2011
7988363 Bearing with rotation detection device Aug. 2, 2011
7991531 Antiskid control unit and data collection system for vehicle braking system Aug. 2, 2011
7973529 Sensor magnet holder for use in motor and its manufacturing process Jul. 5, 2011
7963700 Sealing device for antifriction bearing comprising identifying means Jun. 21, 2011

1 2 3 4 5 6 7 8 9

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