Abstract: The invention relates to a proximity switch for the detection of objects, comprising a sleeve-type housing, comprising a transducer unit disposed at a measuring end of said sleeve-type housing, the transducer unit comprising a transducer receptacle and a transducer element disposed therein for detecting a physical measurand, comprising a connecting piece disposed at a connecting end of said sleeve-type housing, comprising an electronic assembly disposed on a printed circuit board accommodated in said sleeve-type housing and having a control and evaluation unit adapted to control said transducer element, to evaluate signals measured by said transducer element and to emit switching signals to an environment, wherein variously colored light-emitting diodes are disposed on said printed circuit board at the measuring end and at the connecting end for indicating operational and/or switching states, wherein said transducer receptacle exhibits a transparent region disposed around a housing axis and/or a transparent r

Abstract: The invention relates to a method and a device for checking print products of the same kind, more particularly printed sheets of paper of the same kind, which are transported by a conveying device. For this purpose, during a teach-in phase, test images are recorded at a plurality of points on the print product by means of a digital camera. The test images recorded, or parts thereof, are analyzed with respect to their characteristic information, and the test image having the most distinct characteristic information is selected as the reference image. For the purpose of checking print products of the same kind, the subsequent print products of the same kind are checked by recording at least one image at a position corresponding to the reference image and by comparing it with the image data of the reference image.

Abstract: A data signal generation device comprising a microprocessor and a digital potential divider, in which the microprocessor is adapted to generate a square wave output signal, and in which the digital potential divider is adapted to receive said square wave output signal, and to ramp up and down an output signal voltage and/or current according to state transitions in said square wave output signal.

Abstract: Disclosed is a wall mount enclosure for mounting in a wall, including a housing with a front side, a back side and at least one side wall defining an interior accessible from an opening in the front side, where the front side has an outer perimeter extending outwardly beyond the side wall to interface with a front surface of the wall when a plurality of clamping mechanisms are engaged to mount the enclosure to the wall. The clamping mechanisms comprising a threaded fastener having a head accessible through the interior, and an at least partially threaded elongated member. A clamp body is provided and is pivotal about an axis by pivoting the threaded fastener in a first direction away from the interior of the enclosure and linearly translatable when in a second pivotal position to engage a back portion of the wall and mount the housing.

Abstract: The inductive incremental displacement sensor is characterized in that the first sensor unit and the second sensor unit each have a first inductive sensor and a second inductive sensor disposed at a distance from each other and that the first sensor unit and the second sensor unit deliver a switching signal relevant to a conductive region of the graduated track when the difference or the ratio of the detection signals from the inductive sensors allocated to the respective sensor unit as generated by the conductive region is less than a specifiable threshold. Furthermore, the invention relates to a method for determining the displacement of a first object relative to a second object as well as to an inductive sensor unit.

Abstract: A modular Fieldbus segment protector comprising a support means provided with trunk connection means, a trunk connection bus and a plurality of spur outlets, in which autonomous fault isolation means are removably mounted on the support means between the trunk connection bus and any one or more of the plurality of spur outlets.

Abstract: An electrical communications circuit comprising a power supply, a trunk section, a spur section, isolation means disposed between the trunk section and the spur section, diagnostics apparatus connected to the trunk section and a field device connected to the spur section, in which the field device is adapted to send data signals over the communications circuit, which data signals comprise one or more core functions, in which the communications circuit and/or the data signals function under one or more pre-determined normal operating parameters, in which the diagnostics apparatus is adapted to detect one or more pre-determined breaches of said normal operating parameters, in which a spur diagnostics module is connected to the spur section and is adapted to monitor electrical characteristics of the spur section, in which the spur diagnostics module comprises interference means adapted to interfere with the communications circuit and/or the data signals sent thereon such that said one or more pre-determined brea

Abstract: The present invention relates to an apparatus and a method for determining the position of a vehicle moved along a path, markers, particularly code carriers or barcodes being located along the path. The method is characterized in that the markers are detected with a digital camera placed on the vehicle and that by means of image processing from a position of at least one marker image in the detection or coverage range of the digital camera a position of the vehicle relative to the given marker or the given markers in the main vehicle movement direction along the path and in at least one direction at right angles to the main movement direction is determined. The invention also relates to a computer program and a computer program product.

Abstract: An electrical installation comprising control and/or monitoring means connected to a field device by means of an electrical communications circuit, in which the communications circuit comprises a power supply, a communications device, the field device as a load thereof, and Intrinsic Safety means, in which the communications device is adapted to send and receive signals over the communications circuit to and from the field device, in which the field device is adapted to send and receive signals over the communications circuit to and from the communications device, in which the Intrinsic Safety means renders all or part of the communications circuit Intrinsically Safe, in which the field device is located in an Intrinsically Safe part of the communications circuit, characterized in which the communications circuit is adapted to carry DSL signals, and in which the communications device and the field device communicate with one another according to the DSL protocol.

Abstract: A device for detecting soiling, having a light source, which emits a light beam, and a layer having a first boundary surface and a second boundary surface, whereby the light beam emitted by the light source first impinges on the first boundary surface, and part of a light beam fraction, which is scattered at the second boundary surface, impinges on a receiver and forms a measuring signal, and hereby the first boundary surface is set up to scatter part of the incident light beam, and the part impinging on the receiver of the light beam, scattered at the first boundary surface, forms a reference signal, and the device is set up further to determine a measure for the soiling of the second boundary surface from the comparison of the reference signal and measuring signal.

Abstract: The invention relates to a method for detecting objects in which a light pattern is beamed by a plurality of transmitting modules into an observation zone, the transmitting modules being spaced to each other, in which light radiated back from the observation zone is detected by at least one spatially resolving detector unit, in which a surface contour of an object located in the observation zone is determined on the basis of the detected light according to the light section principle, in which a maximum spatial resolution is caused by the intervals at which the transmitting modules are spaced from each other.

Abstract: A Fieldbus system comprising a plurality of segments each comprising a trunk with its own primary power supply, and a shared redundancy system comprising one or more auxiliary power supplies and monitoring and control means, in which the monitoring and control means is adapted to detect failures in any part of any of the plurality of segments, in which in the event of a failure being detected by the monitoring and control means in any one of the plurality of segments, the monitoring and control means isolates the trunk in that segment from its primary power supply and connects said trunk to one of the one or more auxiliary power supplies, and in which any one of the auxiliary power supplies is connectable to any two or more of the trunks.

Abstract: The present invention relates to an adjustable circuit for filtering a transmission channel of an RFID signal and for suppressing a carrier signal in the reception path between an input gate and an output gate, including at least one adjustable oscillator for generating an oscillator signal, at least one input mixing stage cooperating with the oscillator for mixing an input signal by means of the oscillator signal to an intermediate frequency and a blocking device arranged downstream of the input mixing stage or the input mixing stages for suppressing the carrier signal at the intermediate frequency.

Abstract: An electrical circuit comprising a power supply, a load, a pair of parallel positive cables between the power supply and the load, a pair of parallel negative cables between the load and the power supply, and incendive arc prevention means, comprising: monitoring means adapted to detect if the current and/or voltage in one of the pair of cables deviates from the other, and a control means adapted to fully or partially isolate the power supply from the pair of cables if the monitoring means detects that their current and/or voltage has deviated from the other, characterised in which: the electrical circuit comprises a common positive section between the power supply and the pair of positive cables, and a common negative section between the pair of negative cables and the power supply, in which a first modulation means is adapted to generate a modulated communications signal.

Abstract: An electrical circuit comprising a power supply, a load, a first pair of parallel positive cables between the power supply and the load, a first pair of parallel negative cables between the load and the power supply, and incendive arc prevention means, in which the incendive arc prevention means comprises monitoring means adapted to monitor the first pair of positive cables and the first pair of negative cables, and to detect if the current and/or voltage in one of the first pair of positive cables deviates from the other, and if the current and/or voltage in one of the first pair of negative cables deviates from the other, and in which the incendive arc prevention means comprises a control means adapted to fully or partially isolate the power supply from the first pair of positive cables and the first pair of negative cables if the monitoring means detects that the current and/or voltage of one of the first pair of positive cables has deviated from the other, or if the current and/or voltage of one of the fi

Abstract: A method and a device for the contactless detection of laminated, flat objects, particularly sheet-like recording media. There is a galvanic separation and mechanical decoupling between the transmitter and receiver to improve detection. These measures can be further improved with correction characteristic methods.

Abstract: An incremental displacement transducer and method for determining a displacement of a first object relative to a second object having a scanning unit linked or to be linked with the first object for scanning a spacing or division track linked or to be linked with the second object having first areas and second areas arranged in alternating manner with a period length, the first areas having a first physical property and the second areas a second physical property differing therefrom, and where the scanning unit has a plurality of sensors for scanning the first areas and the second areas on the basis of the first and/or second physical property, and having an evaluation unit linked with the scanning unit for determining the displacement on the basis of measuring signals of the sensors.

Abstract: The invention relates to an inductive displacement sensor for determining a position of a first object relative to a second object having a coding device to be attached to the first object, having a sensor unit to be attached to the second object, said sensor unit comprising a plurality of inductive sensors for scanning the coding device.

Abstract: The present invention relates to a device for the contactless energy and data transmission, having a primary unit provided with a primary inductor, and a secondary unit provided with a secondary inductor. The primary and secondary units are at least temporarily so relatively positioned that between the primary inductor and the secondary inductor a transformer coupling distance is formed. Furthermore, the primary unit is set up for the contactless transmission of energy to the secondary unit and the secondary unit is designed for supplying terminals connected thereto. The device is further developed in that the primary unit has means for interrupting the energy transmission across the transformer coupling distance in energy transmission intervals and the secondary unit has means for detecting the energy transmission intervals. Further, the secondary unit has means for transmitting data in the energy transmission intervals and/or the primary unit has means for transmitting data to the secondary unit.

Abstract: The invention relates to a sensor with a transducer unit, which is located at a measurement end in a housing sleeve, with connection means at a connection end of the housing sleeve opposite to the measurement end, with a module carrier received in the housing sleeve and on which is placed a sensor electronics and which extends along an axis of the housing sleeve, with illuminants for the optical signaling to the outside of operating and/or switching states of the sensor. The sensor is characterized in that there is a separate, plate-like illuminant carrier, that a plurality of illuminants are placed on the illuminant carrier and that the illuminant carrier is positioned transversely to the module carrier in the vicinity of the transducer unit. The invention also relates to a method for the manufacture of a sensor.