Abstract: The invention proposes a circuit arrangement for determination of a measuring capacitance (1), comprising a reference circuit portion for defined periodic charging and discharging of a predefined reference capacitance (1a), and a measuring circuit portion for defined periodic charging and discharging of the measuring capacitance (1) to be determined, and at least one circuit portion (4, 7; 4a, 7a) intended to determine at least one value (M2) characteristic of the charging time curve of the reference capacitance (1a) and for deriving at least one value (M1) characteristic of the charging time curve of the measuring capacitance (1), as well as a circuit portion (9) for comparing the at least one value (M2) characteristic of the charging time curve of the reference capacitance (1 a) with the at least one value (M1) characteristic of the charging time curve of the measuring capacitance (1), and for deriving from that comparison the value of the measuring capacitance (1).

Abstract: A position/displacement measuring system is provided comprising at least one magnetically encoded scale body with at least one encoding track and a sensor device with at least one sensor sensitive to the encoding, the at least one encoding track comprising main fields of at least a first type and a second type which are arranged in a periodically alternating manner in at least a first direction, the subfields of the first type and second type being north pole fields and south pole fields, wherein the main fields of the first type and the main fields of the second type are each subdivided into subfields of at least two different types; wherein a length and/or an encoding strength of the subfields within a main field varies in at least the first direction; and wherein, in the main fields of the first type, the total length in the first direction and/or the total surface of field portions of the first type is greater than the total length and/or the total surface of field portions which are not of the first type

Abstract: Field bus system, comprising (i) at least one field bus module with a connection unit for the connection to a network, wherein a control unit can be connected to the network and the at least one field bus module can be addressed in the network, and with a plurality of ports for the connection of field devices, in particular sensors and/or actuators, and (ii) at least one address connector which has a non-volatile memory for an address, wherein the at least one field bus module has an address port for the at least one address connector and the address of the at least one address connector in the network is communicated to the field bus module via its connection.

Abstract: Position/displacement measuring system, comprising a sensor head and an encoded scale body, the scale body extending in a first direction and in a second direction lying transversely to the first direction, and the scale body having a region for incremental position determination with an encoding in the first direction and a region for absolute position determination with an encoding in the second direction, the sensor head having a first sensor device with a sensor resolution parallel to the first direction, which is associated with the region for incremental position determination, and the sensor head having a second sensor device with a sensor resolution in a second direction, which is associated with the region for absolute position determination.

Abstract: A displacement measuring apparatus is provided, which comprises a measuring sensor, a housing, a first board, a second board and a third board, which boards are arranged in the housing and are circuit carriers, wherein the second board and the third board are in each case oriented transversely to the first board, the second board and the third board are connected by means of a first plug-in connection device and the combination of the second board and third board is connected to the first board by means of a second plug-in connection device.

Abstract: A bandwidth allocation and management system for cellular communication networks. The system includes at least one master optical switch and processing station, a number of aggregation base stations that are in optical fiber, communication with a master optical switching and processing station and a number (for example about 18) of auxiliary cellular base stations surrounded by and supported by each aggregation base station. In preferred embodiments each of a plurality of the aggregation base stations is in communication with one or more auxiliary base stations via a wireless millimeter wave link.

Abstract: In order to provide a sensor that is employable in advantageous manner and which comprises at least one sensitive element and a housing within which the at least one sensitive element is arranged, it is proposed that at least one RFID data carrier be arranged below a surface of the housing, said data carrier storing sensor properties in non-volatile manner and being adapted to be read out in non-contact making manner.

Abstract: A high-frequency position/path sensor for detecting the approach of an object, with a detection range in a near field, which comprises a high-frequency transmitter and a high-frequency receiver, is proposed. The high-frequency transmitter and the high-frequency receiver are arranged and configured such that a main transmitting direction and a main receiving direction lie at an angle to each other.

Abstract: An inductive sensor is provided having a housing with a sensing face and a sensing unit arranged in the housing. The sensing unit has an oscillatory circuit with at least one inductive element. The at least one inductive element is arranged proximate to the sensing face of the housing and has an outer surface made of copper or a copper alloy.

Abstract: Light barrier device, comprising a housing, a light source, by means of which a radiation beam may be emitted, and a light receiver, wherein the light source and/or the light receiver is positioned on the housing with a joint device, by means of which the light source and/or the light receiver is movable relative to the housing for alignment of the optical axis.

Abstract: A communication interface for a path measuring device is provided. The interface can be coupled between the path measuring device and a control device. A path determination can be carried out by the path measuring device by way of a measurement of the propagation time of measurement signals. A measurement of the propagation time can be triggered by way of control signals on a control signal communication channel. A propagation-time signal communication channel is provided for propagation-time signals. The present invention enables a path measuring device to be used universally and in a simple manner, as the communication interface may be coupled to the control signal communication channel and/or to the propagation-time signal communication channel and digital data may be transmittable between the control device and the path measuring device in addition to control signals for the measurement of the propagation time and propagation-time signals.

Abstract: A position measuring system is proposed, comprising: a transmitter, a first displacement transducer, to which the transmitter is contactlessly coupled with a coupling strength which is dependent on the relative position between the first displacement transducer and the transmitter, a second displacement transducer, to which the transmitter is contactlessly coupled with location-dependent coupling strength, and a fixing device for fixing the first displacement transducer and the second displacement transducer in relation to each other, so that the measuring range of the position measuring system extends over the first displacement transducer and the second displacement transducer.

Abstract: There is proposed a data carrier-/transmitter device for fixing to an object, comprising an oscillatory circuit including at least one coil, an electrical circuit arrangement to which the at least one coil is coupled, and a fixing device including a contact face for the object, wherein the coil axis of the at least one coil is at least approximately parallel to the contact face of the fixing device.

Abstract: A sensor device for the examination of the surfaces of a work piece, in particular with regard to burrs, is provided. The device comprises a plurality of coils, a detector head having at least one sensor element in the form of a coil and an evaluating device for the sensor signals. The detector head is adapted to be coupled electromagnetically to a work piece and/or the work piece is adapted to be irradiated by an electromagnetic signal from the detector head.

Abstract: A sensor device is suggested, comprising a sensor module with a housing, with at least one sensor element which is arranged in the housing, at least one active sensor face and a sensor module connection device and a holding module for holding the sensor module, a holding module connection device which is adapted to the sensor module connection device, wherein the sensor module can be fixed to the holding module via the sensor module connection device and the holding module connection device and an electrical connection can be made available between the sensor module and the holding module, and wherein the holding module is provided for the fixing to an application or is part of an application, the supply of energy to the sensor module is brought about via the holding module and the coupling out of signals is brought about via the holding module.

Abstract: A sensor device for examining the surfaces of a work piece, in particular in regard to burrs, is provided wherein said device comprises a probe shaft having a detector head with at least one inductive element, wherein said at least one inductive element couples inductively to the work piece, and wherein the at least one inductive element is constructed and arranged in such a manner that, with respect to a longitudinal axis of the probe shaft, the detector head has a field of view surrounding the probe shaft.

Abstract: A high-frequency position/path sensor for detecting the approach of an object, with a detection range in a near field, which comprises a high-frequency transmitter and a high-frequency receiver, is proposed. The high-frequency transmitter and the high-frequency receiver are arranged and configured such that a main transmitting direction and a main receiving direction lie at an angle to each other.

Abstract: To provide a sensor device for determining the layer thickness of a thin layer of an electrically conducting or semiconducting material which can be used in a simple and low-cost way, it is proposed that the said sensor device comprises one or more inductive proximity sensors which can be positioned at a distance from the layer, an inductive proximity sensor having an oscillator with a frequency which is adapted with respect to the material and the thickness range of the layer to be measured.

Abstract: In order to improve a sensor assembly for detecting the position of a magnet which is movable in relation to the sensor assembly, with a sensor housing, in which a sensor element sensitive to magnetic fields is arranged, it being possible to generate a digital output signal, the switching state of which is dependent on the relative position between the sensor element and the magnet, in such a way that it has an extended range of uses, the sensor element is provided with at least one field directing device of a magnetizable material which is arranged with respect to the sensor element, and varies in its geometrical dimensions transversely in relation to a direction of relative movement between the magnet and the sensor element, in such a way that an amplified analog sensor signal which characterizes the relative position between the sensor element and the magnet can be generated, at least in a specific relative positional range.

Abstract: There is provided a transmitter/receiver apparatus for sensor signals, comprising a transmitting device for wirelessly transmitting signals, a receiving device for receiving wirelessly transmitted signals, a connection device to which at least one sensor is connectable for signal input, and which has at least one connection for signal output, and a control device which is connected to the connection device, the transmitting device and the receiving device, wherein the signal traffic between the connection device, the transmitting device and the receiving device is controllable by means of the control device.