Abstract: A sensor unit including a Hall or magnetoresistive angle sensor detecting around its longitudinal axis. The angle sensor includes a magnetically sensitive face surface portion and sensor element proximal to a face surface fixed in place. At least one magnet unit is disposed so that its magnetic field permeates the angle sensor, and field lines of at least one encoder magnetic of the at least one magnetic unit extend parallel to a sensitive plane of the sensor element wherein the encoder magnet is rotatable. A magnetically conductive shielding made of ferromagnetic material includes at least one sensor shielding fixed in place and an encoder shielding rotatable together with the encoder magnet.

Abstract: In order to be able to measure over more than 360° with a magnetic angle sensor, it is proposed not to adjust the distance between the encoder magnet and the sensor element in addition to the rotation, e.g. by means of a thread, like in the prior art, but to maintain said distance constant, but instead to adjust a magnetic variator with respect to its axial distance from the sensor element, or also in transversal direction, which variator can be a flux conductor or also a secondary magnet.

Abstract: A magneto-strictive scanning unit is formed through an actuation pushrod disposed and guided on an outside of a tight housing of a position sensor, in which the delicate sensor is tightly encapsulated, and components of an actuation unit can be disassembled and repaired without opening the sensor housing.

Abstract: To be able to measure the angular deviation simultaneously in two directions in space a magneto-sensitive sensor unit on the one hand (that can measure the magnetic flux density in at least two directions in space or orthogonal to each other) and a magnet on the other hand are moved relatively to each other, wherein one of both elements are provided in such a way that it aligns itself directly or indirectly according to the gravity. An optimal measuring result is achieved by guiding one of both elements on a defined, reproducible surface so that the center axis of this element is directed always to the center axis of the other element.

Abstract: In order to facilitate the assembly of an elongated magnetostrictive sensor in an enveloping tight protective profile, the sensor unit according to the invention comprises a head piece which closes the face of the protective profile and which partially reaches into the protective profile, wherein the wave conductor unit and also the circuit board are initially connected form locked with the head piece and electrically connected therewith.

Abstract: In order not to damage encased circuits under temperature expansion, they are encased in an external encasement mold, wherein the encasement body thus created comprises singular or line shaped rises on its exterior surface, and is supported at said rises after insertion into the external housing. The free spaces then remaining between the encasement body and the housing are available for expansion.

Abstract: The invention relates to an angle sensor which is only protected by an encasement body without having a surrounding protective housing.

Abstract: An electronic device with polarity reversal protected connections and irreversibly interruptible programming connections, wherein the interruption is performed through safety elements provided in the programming paths, behind which safety elements diodes are disposed which block towards ground in normal operation, so that an overload current can be passed through the safety elements and through the diodes to ground through intentional polarity reversal of the respective connections, whereby the safety elements are destroyed and the programming conductors are irreversibly interrupted.

Abstract: An analog electronic angle sensor circuit with a ground connection (GND) and with a supply voltage connection (+UB) and with an output (OUT), comprising an actual sensor (12) and a suitable wiring of said sensor (12), wherein the voltage at the output (OUT) relative to ground is proportional to the product of the supply voltage (+UB) and the measured angle (?) and a method for electronic emulation of an optimum potentiometer wherein the input voltage (+UB) is reduced to a fixed fraction (1/k) and an analog angle sensor (12) is operated with this fraction of the input voltage (+UB) as an operating voltage (Uv), wherein the output voltage (OUT1) of said angle sensor is proportional to the operating voltage and to the rotation angle (?) measured by said angle sensor (12).

Abstract: A distance measuring device, in particular a magnetostrictive distance measuring device wherein a distance measuring element extends in longitudinal direction of the device along the measurable measuring distance, relative to which a signal generating signal generator can be moved in longitudinal direction, with a longitudinal housing shaped as a circumferentially enclosed profile (1) with constant cross section contour in longitudinal direction (10), a wave conductor unit in the interior of the profile (1), wherein the wave conductor of the wave conductor unit extends in longitudinal direction (10) of the profile (1), processing electronics in the interior of the profile (1), a traveler moveable in longitudinal direction (10) along the outside of the profile (1), in particular with a magnet as signal generator, wherein the profile (1) is shaped so that it can be positioned in lateral direction in a form fit manner, within a circular interior contour surrounding the outside contour of the profile (1) by more

Abstract: The invention relates to a distance measuring device, in particular to a magnetostrictive distance measuring device, which can be manufactured in a simple and cost efficient manner and still satisfy strict requirements with respect to tightness, with an elongated housing, shaped as a stable, hollow, circumferentially closed particularly one piece profile, with a constant cross section contour in longitudinal direction, a wave conductor unit in the interior of the profile, wherein the wave conductor of the wave conductor unit extends in longitudinal direction of the profile, processing electronics, a slide movable in longitudinal direction on the outside along the profile, in particular with a magnet as signal generator, wherein the profile has an inner contour without shoulder over its entire length, and in the inner contour at least one insert with an inner contour is disposed torque proof, which also has inner corners, outer corners, and/or shoulders.

Abstract: The position indicator for a stick shaped sensor is received in a particularly annular sliding element, comprised of wear resistant, slide capable material as e.g. plastic, with an extended guidance length, which additionally comprises axial flow channels for the pressure medium in order to avoid local pressure buildup.

Abstract: The invention relates to electrical sensors, which are tight against longitudinal water, and to a process for a simple and cost efficient manufacture, with a tightly closed housing, a sensor element, at least one cable leading out of the housing, wherein the electrical conductors of the cable in the housing comprise a massive cross section without a cavity at least in one longitudinal section, a conductor seal seals the massive cross section against the lead insulation, a lead seal seals the lead insulation against the jacket of the cable, and against all other jackets, and a jacket seal seals the cable jacket against the housing.

Abstract: The present invention refers to position sensors in stick design, for installation in hydraulic cylinders, which may be maintained and replaced without having to open the hydraulic system of the cylinder and thus causing leakage. According to the invention the sensor includes a sensor head housing having an attachable and detachable sensor head cover which can be opened without removing the remaining housing out of the piston cylinder unit. Opening of the sensor-head-cover allows easy access to the functional components of the sensor.

Abstract: A rotation angle sensor is provided for determining mechanical angular positions and transposing them into signals transferable through electricity. The sensor includes a housing (2), a rotation indicator (4) located outside of the sensor housing (2a) so that it can rotate and coupled with the sensor element (3) so it operates in a non-contracting manner through the wall of the housing (2). A sensor element (3) is located in the interior of the housing (2). An intermediary element (5) is rotationally supported in the interior of the housing (2) between the sensor element (3) and the rotation indicator (4) and coupled to the rotation indicator (4) in a rotationally fixed, but non-contacting manner.

Abstract: A detector unit apparatus and method for operating and producing a detector unit to be adapted to varying environmental influences or to its own, in particular mechanical, electrical or magnetic parameters of the detector unit, which are dependent on measuring lengths. An inventive positional sensor operating according to the running time principle of a mechanically elastic shaft and comprising a waveguide, a positional element, e.g. a positional magnet, which can be displaced in particular along the waveguide, in addition to a detector assembly that is located on the waveguide and comprises a detector coil wherein the detector assembly has a current source so that a current can flow through the detector coil.

Abstract: The invention regards monitoring the functional position of a hinge through a non contacting sensor, in particular working with a magnetic field, comprising a rotation position generator and a sensor unit, measuring over an angular range, wherein the rotation position generator, in particular the magnet on the one hand, and the sensor unit with the sensor element on the other hand, are opposing each other at a distance, and are rotationally fixed on the one hand to one of the pivoting parts of the hinge, and on the other hand to one of the non moving parts of the hinge, or of the component carrying the hinge.

Abstract: In order to be able to perform a measurement of the run time of an electrical impulse in a position sensor through a single slow timed timing generator, while still capable to achieve a high precision of the measurement result, the entire run time is determined, so that the number of the completely performed system timings is counted as a coarse time value, and the fractions thereof are counted as a fine time value, in which the electrical impulse is started at a fixed point in time of the system timing, e.g. at the beginning of the timing, and the difference value is measured between the end of the coarse time interval and the arrival of the wave as a fine time interval, which is then digitized and computed with the coarse time value.

Abstract: The invention relates to a sensor element and to a path sensor constructed therefrom. The optical waveguide accommodated inside a supporting body, for example, a tube has to be placed in a defined position with regard to the elements of a board. In order to obtain a design that is both simple and easy to assemble, the invention provides that the head board, without its own surrounding housing, is fixed, for instance, glued directly inside a recess of the supporting body that is tubular for the most part.

Abstract: A measuring-cable position sensor is provided in a pressure tight, in particular explosion protected manner, wherein all functional elements besides the cable drum and the measuring cable are located in a pressure tight housing, which is stable enough, so that also in case of an explosion in the interior of the pressure-tight housing section no ignition spark can get through the gaps of the housing to the outside.