A magnetic detection module is provided so as to be selectively mountable in any of housings having a plurality of specifications having different shapes or sizes of mounting portions, and detects magnetic flux generated in the housing. The magnetic detection module includes one or more magnetic sensors that detect magnetic flux, a case in which the magnetic sensors are housed, and a cap that can be attached to an end of the case and is provided with a sealing member. The magnetic detection module can be attached to the housing of the first specification with the cap not attached to the case, and can be attached to the housing of the second specification through a sealing member with the cap attached to the case.

A fixing structure includes a housing including a first hole, an input member including a second hole, and rotating relative to the housing, depending on input of rotational force, a torsion spring being biased so as to return, to a predetermined reference position, a position of the input member relative to the housing, and a fixing member inserted into the first hole and the second hole in a state where the input member is rotated against biasing force of the torsion spring from the reference position to a predetermined rotational position. The fixing member includes a first insertion portion including a part press-fitted into and fixed to the first hole, and a second insertion portion including a part inserted into the second hole, and fixes the input member at the predetermined rotational position.

A magnetic roller device and a method for calculating rotation information thereof are disclosed. The magnetic roller device includes a multipole magnet, an MCU, plurality of Hall components, and a roller disposed on a handwriting device, wherein the multipole magnet is disposed on the roller, the multipole magnet includes at least one pair of magnetic poles with opposite polarities, and output ends of the plurality of Hall components are connected to an input end of the MCU; the plurality of Hall components are all located on a same plane of a magnetic field sensing space of the multipole magnet, and distances between each of the plurality of Hall components and the multipole magnet are equal; and a distance between two adjacent ones of the plurality of Hall components is less than half of a width of each magnetic pole in the multipole magnet.

An electronic rotary encoder is configured to be disposed on a vertical rotary shaft in a rotary object to obtain two encoded signals: a phase A signal and a phase B signal for calculating a rotational speed and a position. The electronic rotary encoder includes: at least one Hall element outputting Hall signals used as a square wave of the phase A signal; two capacitors, to respectively obtain a first voltage and a second voltage; two buffer gates, to respectively output waveform signals of a first X voltage and a second X voltage; two comparators outputting, a control signal through a latch; and an exclusive OR gate, where a direction signal and the control signal outputted through the latch are inputted to the exclusive OR gate, to obtain the phase B signal.

An encoder including a rotary disc that rotates around a rotating shaft, and a sensor that detects a rotational position of the rotary disc, in which the rotary disc is provided with first patterns and second patterns, the first patterns are arranged at positions obtained by equally dividing a first circumference which is a circumference of a first circle into M (M is natural number of 2 or more) at intervals, the second patterns are arranged at positions obtained by equally dividing a second circumference which is a circumference of a second circle which is a concentric circle of the first circle and has a different radius from that of the first circle into N (N is natural number of 2 or more) at intervals, and M and N are different from each other and a greatest common divisor of M and N is 1.

A system and method for determining an elevator car position uses position markers situated in the elevator shaft and each assigned a discrete car position, first and second detection devices on the elevator car detecting first and second position markers respectively, and an evaluation unit that determines first and second discrete car positions based on the detected first and second position markers respectively. A single interpolation device of the position determining system determines first and second interpolated car positions. The evaluation unit determines first and second car positions based on the first and second discrete car positions and the first and second interpolated car positions respectively. The interpolation device generates an interpolation parameter that characterizes a position of the first detection device relative to the first position marker and determines the first and second interpolated car positions on the basis of the interpolation parameter.

A cable with sensor, including a cable, and a sensor section provided at an end of the cable. The sensor section includes a plurality of magnetic sensors each including a detection section that includes a magnetism detection element and a cover covering the magnetism detection element, and a housing portion coating the plurality of magnetic sensors and the cable. The cable is extending out of the housing portion. The respective detection sections are arranged to be aligned with each other in a direction intersecting with an extending direction of the cable from the housing portion of the cable.

A sensor component for a transmission of a motor vehicle is provided. The sensor component includes a printed circuit board having a first printed circuit board region and a second printed circuit board region. The first printed circuit board region is delimited from the second printed circuit board region by a milled groove and is angled with respect to the second printed circuit board region along the milled groove. A sensor, such as a magnetoresistive sensor or a Hall sensor, is arranged in or on the first printed circuit board region. A pre-assembly arrangement and a method for producing such a sensor component are also provided.

Disclosed is linear displacement absolute position encoder used for measuring displacement of a tested apparatus. The linear displacement absolute position encoder comprises a base, a magnetoresistive sensor array, an encoding strip, and a back magnet. The encoding strip is fixed on the base and extends in the direction of a rail of the tested apparatus. The encoding strip is a magnetic material block having recess and protrusion for identifying encoding information of different positions. The magnetoresistive sensor array is arranged between the encoding strip and the back magnet in a non-contact manner. The back magnet is used for generating a non-uniform magnetic field around the encoding strip so as to magnetize the encoding strip. The magnetoresistive sensor array is used for acquiring the position encoding information of the encoding strip by detecting magnetic field information of the encoding strip. The encoder is low cost and can monitor large distances.

In some implementations, an angle sensor may determine an angular position of an object based on first sensor values received from a first set of sensing elements. The first sensor values include a first x-component of a magnetic field and a first y-component of the magnetic field. The angle sensor may determine the angular position of the object based on second sensor values received from a second set of sensing elements. The second sensor values include a second x-component of the magnetic field and a second y-component of the magnetic field. The angle sensor may perform a set of safety checks, including performing an x-component check based on the first x-component and the second x-component and performing a y-component check based on the first y-component and the second y-component. The angle sensor may provide an indication of a result of the set of safety checks.