Abstract: A rotary encoder includes a first component group and a second component group, the two component groups being rotatably arranged relative to each other in a measuring operation. The first component group has a detector system, a housing part having at least one wedge-shaped element, and a clamping ring having at least one cam. The second component group includes a code disk and a shaft. The housing part is arranged radially outside of the shaft, and a force having a radial directional component oriented toward the axis is applicable on the at least one wedge-shaped element via the at least one cam by a turning motion of the clamping ring relative to the housing part such that the shaft is able to be clamped on the housing part outside of the measuring operation.

Abstract: A method for noise filtering and a noise filter are for the filtering of override signals in a numerical control system. If an input value change condition is present, an accumulator is reset and an input value is set as the new output value of noise filter. If a noise detection condition is present, the accumulator is reset while the output value is maintained.

Abstract: A scanning unit including a light source for illuminating a scale by a light beam and a detector for detecting the light beam which has been modulated by the scale as a function of a relative position between two objects. An inner chamber of the scanning unit in which the light beam extends is closed off in a dust-proof manner against an outer chamber, and the inner chamber is closed off by a transparent body, through which the light beam passes. The inner chamber is connected with the outer chamber via a filter which is dust-proof, but permeable to gas and vapor.

Abstract: A securing system for transporting and mounting a measuring instrument for the determination of a position of two components which are movable in relation to each other. The securing system including a securing device and a support body having a guide track and supporting a linearly extending measuring graduation. The securing device includes a base body, which is longitudinally displaceable along the guide track of the support body and can be fixed in place on the support body by clamping forces in order to maintain the mounting base in a desired position in regard to the support body.

Abstract: A converter includes a time-delay circuit for a PWM signal, applied to input of the time-delay circuit, by which rising edges of the PWM signal are delayed by an ON delay and falling edges of the PWM signal are delayed by an OFF delay, in order to form a drive signal, available at the output of the time-delay circuit, for a semiconductor switch element. The time-delay circuit includes two resistors, two capacitors, a diode and a comparator, and is therefore particularly easy to implement.

Abstract: A position-measuring device is for measuring the position of two objects that are movable relative to one another. The device includes a measuring graduation, which is connected to one of the two objects, as well as at least one scanning system for scanning the measuring graduation, which is connected to the other of the two objects. The scanning system is arranged to permit a simultaneous determination of the position values along at least one lateral and along one vertical shift direction of the objects.

Abstract: A measuring arrangement including a support and a scale having a measuring graduation, wherein the scale is fixed on the support by a mounting force generated via electrostatic clamping.

Abstract: A probe system includes a probe head and a transceiver element. The probe head has a feeler and a sensor element. Moreover, the probe head is able to be transferred from a passive state to an active state, a sensor signal being able to be generated by the sensor element in the active state. The probe head and the transceiver element are configured such that a wireless data transmission is possible between them in a manner that the sensor signal is convertible in the probe head into a switching signal which is transmittable from the probe head to the transceiver element. During the active state, a control command is able to be transmitted continuously in wireless fashion by the transceiver element, the active state of the probe head being able to be maintained by the continuously transmitted control command. Furthermore, the switching signal is able to be transmitted without collision with respect to the transmission of the control command.

Abstract: A position-measuring system is for measuring the position of an object, movable in several degrees of freedom, relative to a stationary object. The position-measuring system includes at least one measuring graduation that is joined to one of the objects, as well as a plurality of scanning units which are joined to the other object and which generate raw position signals based on the optical scanning of the measuring graduation. Moreover, a multiplexer unit is provided, the raw position signals generated by the scanning units being supplied to the multiplexer unit, and from there, the raw position signals of the various scanning units being transmitted in time multiplex operation to a downstream sequential electronics, without converting the raw position signals into position values beforehand.

Abstract: An optical assembly of an interferometer that includes a beam splitter for dividing the beams emitted by a radiation source into at least one measuring and one reference beam and at least one measuring and one reference mirror, on which the measuring and the reference beams impinge, wherein at least one of the mirrors can be displaced along a measuring axis. The optical assembly further includes a beam deflector, as well as a retro-reflector, wherein the measuring and the reference beams reflected at the measuring and the reference mirrors via the beam deflector and the retro-reflector are guided at least a second time in the direction toward the measuring and the reference mirrors and wherein the beam deflector is embodied as a plane-parallel plate.

Abstract: A position-measuring device for measuring linear and/or angular positions includes at least two measuring standards on which at least one code track is applied, and includes a scanning unit for scanning the code tracks. The measuring standards are positioned with respect to each other such that at least one code track of a first measuring standard and at least one code track of a second measuring standard at least partially overlap and the position information of at least one of the code tracks is scannable by the scanning unit in the region of overlap.

Abstract: An optoelectronic system includes a printed circuit board having a ground pad and a bond pad as well as an optoelectronic element. The optoelectronic element is electrically connected to the bond pad via a bonding wire and is additionally fastened to the ground pad by a soldering connection. The ground pad is arranged such that one part of the space between the printed circuit board and the optoelectronic element is not filled with solder. Furthermore, a method is for manufacturing such an optoelectronic system.

Abstract: The voltage of the intermediate circuit of a frequency converter is monitored, while the intermediate circuit is charged via charging resistors. When the voltage has not reached at least a reference voltage during a specific time constant, the charging process is interrupted prematurely. The reference voltage is selected to be considerably lower than the operating voltage of the intermediate circuit. The reference voltage may be less than half of the operating voltage of the intermediate circuit.

Abstract: An optical scanning unit of a position measuring system for measuring a relative position of a first machine element with respect to a second machine element in a measuring direction. The optical scanning unit includes a support of a scanning grating attached to the first machine element and a detector unit attached separately to the first machine element, wherein a scanning light beam extends from the scanning grating to the detector unit as a free beam.

Abstract: An optical position measuring arrangement for detecting the position of a first object and a second object which are movable in relation to each other in a measuring direction. The optical position measuring arrangement including a scale which is connected with the first object, the scale including an incremental graduation extending in the measuring direction and having the graduation period (TPINC). The optical position measuring arrangement including a reference marking at a reference position, wherein the reference marking includes a structure with a graduation period (TPREF), which changes locally, wherein the reference marking has a mean graduation period (TPREF,m) within a range of the graduation period (TPINC) of the incremental graduation. A scanning unit connected with the second object and including a scanning system for generating a reference signal at the reference position.

Abstract: Optoelectronic component assemblies include a carrier element having a recess, the recess having at least one stepped supporting surface in the region of its periphery at a defined height between the bottom of the recess and the top edge of the recess. Arranged above the optoelectronic component in the region of the recess is a transparent cover element which has a structuring in at least one partial area. The cover element rests in the region of the supporting surface and is secured in this region by a bonding material. The upper side of the cover element may project above the top edge of the recess. Different materials may be provided as an encapsulation material and a bonding material.

Abstract: A probe includes a sensor having a pressure-sensitive surface, electrical signals being producible by the sensor when pressure forces are acting that have a directional component orthogonal to the pressure-sensitive surface. The probe includes a probe element, which is supported in a movable manner relative to the sensor, and a mechanical transmission element. The probe includes a diaphragm, which is arranged between the transmission element and the pressure-sensitive surface of the sensor. The probe element, the transmission element, the diaphragm and the sensor are in a mechanical operative connection such that by contacting the probe element, a change in the level of the electrical signal is producible by the sensor.

Abstract: A positioning device includes a housing and a shaft that is able to swivel relative to the housing and at one end of which an element to be positioned is attachable. The positioning device further includes a roller-bearing unit for supporting the shaft with respect to the housing, a swivel drive and a position-measuring device. The shaft is arranged in a manner that it is torsionally stiff, but axially movable relative to the housing via a ring diaphragm secured to the roller-bearing unit and to the housing.

Abstract: A method for assembling a position measuring arrangement for measuring a relative position of a first object with respect to a second object, wherein the position measuring arrangement includes a first unit movable in relation to a second unit of the position measuring arrangement, the method including fastening said first unit to the first object and fastening the second unit to the second object. The method further including adjusting a required scanning distance (A) between a scanning element of the second unit and a graduation of the second unit by applying a gauge to a first limit stop face of the first unit, as well as to a second limit stop face of the second unit. Prior to the fastening the first unit and the fastening the second unit, positioning and fixing either the first limit stop face on the first unit or the second limit stop face on the second unit in a direction of the required scanning distance so that the scanning distance (A) is optimally adjusted.

Abstract: A scanning unit for an optical position measuring device, which is suited for optically scanning a scale graduation, to produce positionally dependent scanning signals on the basis of scale graduation. The scanning unit includes a carrier element, at least one optoelectronic component, which is arranged on the carrier element, a radiation-sensitive or a radiation-emitting surface region of the component being oriented to face away from the carrier element. Provision is also made for at least one electrically conductive connector lead between the carrier element and a contacting region of the component. An at least semi-transparent cover element is arranged directly on the radiation-sensitive and/or radiation-emitting surface region of the component.