Abstract: The disclosure relates to a linear guide having a guide rail which extends in a longitudinal direction, wherein a guide carriage is mounted on the guide rail in a linearly movable manner in the longitudinal direction, wherein at least one sensor is fitted to the guide carriage and can be used to measure an elastic position change of the guide carriage with respect to the guide rail, wherein the at least one sensor comprises at least one emitter turn arrangement which is connected to an alternating current source. According to the disclosure, at least one receiver turn arrangement which is different from the emitter turn arrangement and is inductively coupled to the at least one emitter turn arrangement is provided.

Abstract: A position measurement system including a material measure and a scanning device movable relative to one another with respect to a measurement direction. The material measure has a plurality of markings which are arranged in a row with respect to the measurement direction, wherein the scanning device includes a transmitter winding arrangement. Multiple receiver coils are provided which are arranged in a row with respect to the measurement direction. The inductive coupling between the transmitter winding arrangement and the receiver coils is a function of the position of the scanning device with respect to the material measure. The transmitter winding arrangement defines multiple separate transmitter areas which are arranged in a row with respect to the measurement direction. A maximum of one single receiver coil is situated in each of the transmitter areas. At least one switching means is provided via which the two adjacent receiver coils are differentially interconnectable.

Abstract: A scanning head for scanning a material measure on which markings with a period are formed periodically in the measuring direction includes at least two individual sensors configured to produce sensor signals by scanning the markings. The scanning head further includes a digital signal processing apparatus configured to produce at least one highly accurate output signal from the sensor signals. The scanning head is configured to output at least two different types of output signals. The at least two different types of output signals comprises at least one safe output signal and the at least one highly accurate output signal.

Abstract: An inductive sensor has an electrically nonconductive substrate, at least one electrically conducting coil that is integrally joined to the substrate, with the mechanical rigidity of the substrate significantly greater than that of the conducting coil, a metal plate covering the conducting coil, with the substrate comprised by the metal plate, and with the surface of the metal plate on the side oriented toward the conducting coil provided with an electrically insulating layer.

Abstract: The disclosure relates to a linear guide having a guide rail which extends in a longitudinal direction, wherein a guide carriage is mounted on the guide rail in a linearly movable manner in the longitudinal direction, wherein at least one sensor is fitted to the guide carriage and can be used to measure an elastic position change of the guide carriage with respect to the guide rail, wherein the at least one sensor comprises at least one emitter turn arrangement which is connected to an alternating current source. According to the disclosure, at least one receiver turn arrangement which is different from the emitter turn arrangement and is inductively coupled to the at least one emitter turn arrangement is provided.

Abstract: A position measurement system including a material measure and a scanning device movable relative to one another with respect to a measurement direction. The material measure has a plurality of markings which are arranged in a row with respect to the measurement direction, wherein the scanning device includes a transmitter winding arrangement. Multiple receiver coils are provided which are arranged in a row with respect to the measurement direction. The inductive coupling between the transmitter winding arrangement and the receiver coils is a function of the position of the scanning device with respect to the material measure. The transmitter winding arrangement defines multiple separate transmitter areas which are arranged in a row with respect to the measurement direction. A maximum of one single receiver coil is situated in each of the transmitter areas. At least one switching means is provided via which the two adjacent receiver coils are differentially interconnectable.

Abstract: A scanning head for scanning a material measure on which markings with a period are formed periodically in the measuring direction includes at least two individual sensors configured to produce sensor signals by scanning the markings. The scanning head further includes a digital signal processing apparatus configured to produce at least one highly accurate output signal from the sensor signals. The scanning head is configured to output at least two different types of output signals. The at least two different types of output signals comprises at least one safe output signal and the at least one highly accurate output signal.

Abstract: A position measurement apparatus includes a material measure and a scanning apparatus, which can move with respect to the material measure, with the scanning apparatus having at least one receiver turn arrangement, by means of which measurement markings on the material measure can be scanned. The scanning apparatus further includes an evaluation apparatus which can measure the electrical receiver voltage which is pressed on the receiver turn arrangement, in order to produce a position signal therefrom. The evaluation apparatus is designed to determine a noise measure from the receiver voltage, with comparison means furthermore being provided, which can compare the noise measure with a predeterminable tolerance band. The evaluation apparatus further includes an indication means which can indicate that the noise measure is outside the tolerance band.

Abstract: A position measuring device has an incremental dimensional standard and also an associated scanning unit that emits at least two analog, phase-shifted periodic output signals and a monitoring device, so that a value of the output signals emitted by the scanning unit codes a state of the monitoring device. The scanning unit includes a sensor for scanning the dimensional standard, which generates at least one analog sample signal, and an evaluating unit, based on the sampled signal, determines a position value, while a synthesis device synthesizes phase-shift, periodic output signals based on the position value.

Abstract: A guide rail for a linear bearing has a longitudinal axis, a first and second diametrically opposed lateral surface and a top lateral surface, running surfaces provided on the first and/or second lateral surfaces and extending parallel to the longitudinal axis, for a guide carriage of the linear bearing, and an incremental dimensional standard for a position measuring device provided on one of the lateral surfaces, wherein an absolute dimensional standard is provided on another lateral surface, which is scanable by the position measuring device together with the incremental dimensional standard in order to determine an absolute position.

Abstract: A guide rail for a linear bearing has a longitudinal axis, a first and second diametrically opposed lateral surface and a top lateral surface, running surfaces provided on the first and/or second lateral surfaces and extending parallel to the longitudinal axis, for a guide carriage of the linear bearing, and an incremental dimensional standard for a position measuring device provided on one of the lateral surfaces, wherein an absolute dimensional standard is provided on another lateral surface, which is scanable by the position measuring device together with the incremental dimensional standard in order to determine an absolute position.

Abstract: An inductive sensor has an electrically nonconductive substrate, at least one electrically conducting coil that is integrally joined to the substrate, with the mechanical rigidity of the substrate significantly greater than that of the conducting coil, a metal plate covering the conducting coil, with the substrate comprised by the metal plate, and with the surface of the metal plate on the side oriented toward the conducting coil provided with an electrically insulating layer.

Abstract: A position measuring device has an incremental dimensional standard, an associated scanning unit that emits at least two analog, phase-shifted, periodic output signals, and a monitoring device, and the value of the output signals codes a state of the monitoring device.

Abstract: A position measurement system has a material measure provided with incremental and absolute markings, and a scanner movable relative to the markings, wherein the incremental markings are formed by periodically located recesses on the material measure, and the absolute marking are located between the recesses of the material measure.

Abstract: A device for detecting a relative movement between two machine parts movable relative to one another has a plurality of marking rulers arranged on one of the machine parts one after the other in direction of the relative movement of the machine parts and having increment markings for detecting a distance of a relative movement of the both machine parts, two sensors for sensing of the marking rulers and arranged on the other of the machine parts at the predetermined distance in the direction of relative movement of the machine parts, the sensors sensing the increment markings and each providing a sensing signal; the marking rulers being arranged so that distances between two neighboring ones of the marking rulers being smaller than the predetermined distance between the sensors, an evaluating unit operative for determining an absolute position of the corresponding sensor between two successive increment markings based on a phase position of the sensing signal of the sensors.

Abstract: A device for detecting a relative movement between two machine parts movable relative to one another has a plurality of marking rulers arranged on one of the machine parts one after the other in direction of the relative movement of the machine parts and having increment markings for detecting a distance of a relative movement of the both machine parts, two sensors for sensing of the marking rulers and arranged on the other of the machine parts at the predetermined distance in the direction of relative movement of the machine parts, the sensors sensing the increment markings and each providing a sensing signal; the marking rulers being arranged so that distances between two neighboring ones of the marking rulers being smaller than the predetermined distance between the sensors, an evaluating unit operative for determining an absolute position of the corresponding sensor between two successive increment markings based on a phase position of the sensing signal of the sensors.