Patents Assigned to Pepperl + Fuchs GmbH
  • Publication number: 20200291713
    Abstract: The invention relates, among other things, to a door sensor device (20) for mounting on a door element (10), more particularly a swing door, which can be rotated about an axis of rotation (D), having at least one transmission device (21) for generating at least one monitoring beam (S) in the direction of the floor, said beam being oriented at an angle to the door leaf plane (E) of the door element (10), at least one receiving device (22) for receiving reflected or back-scattered radiation, and an evaluation device (23) for evaluating the radiation received by the receiving device (22) and generating an object detection signal.
    Type: Application
    Filed: September 28, 2018
    Publication date: September 17, 2020
    Applicant: Pepperl+Fuchs GmbH
    Inventors: Markus EGGELING, Reinhard STRAUCH, Stephan BARTSCH
  • Patent number: 10710205
    Abstract: Query unit for determining the status of moving or movable parts of a system part, particularly for determining the end positions of a clamping arm of a toggle lever clamping apparatus, has a sensor unit and an electroblock. The sensor unit has at least one sensor and a connector plug-in connection part for connecting the sensor unit with the electroblock and can be attached to the system part. The electroblock has at least one electrical connector element for connecting an outer, releasable connection cable, a connector plug-in connection part for connecting the electroblock with the sensor unit, and at least one screw passage opening for installation on an outer surface of the system part. The connector plug-in connection part of the sensor unit is connected in an opening of the system part, with shape fit.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: July 14, 2020
    Assignee: Pepperl+Fuchs GmbH
    Inventor: Thomas Freund
  • Patent number: 10688626
    Abstract: A toggle clamping device for building vehicle bodies has a clamping head and a cylinder, which adjoins the cylinder-side end of the clamping head in axial extension and the piston rod of which passes axially through the cylinder and a cavity of the clamping head, a toggle clamping arrangement being fastened to the free end of the piston rod, the toggle clamping arrangement being coupled to a clamping arm, and an opening being provided in the housing, and a cavity being provided therein for the mounting of a detection device for detecting the end positions of the clamping head, and wherein the detection device is formed as an exchangeable part, a “cassette”. For simple exchange of the cassette, the detection device is made up of a retainer and at least one sensor carrier, and the retainer is connected to the at least one sensor carrier such that the retainer can pivot about a pivot axis, the pivot axis being oriented transversely to the direction of the piston rod.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: June 23, 2020
    Assignee: Pepperl+Fuchs GmbH
    Inventor: Thomas Freund
  • Publication number: 20200132510
    Abstract: An inductive sensor, particularly for a proximity sensor, includes a resonance circuit including a sensing coil and an amplifier comprising a first gain stage and a second gain stage each coupled via respective adjusting elements with the resonance circuit to inject energy for maintaining an oscillation of the resonance circuit. The first gain stage provides a substantially linear amplification and the second gain stage provides a comparator characteristics.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 30, 2020
    Applicant: Pepperl+Fuchs GmbH
    Inventor: Thomas Kühn
  • Publication number: 20200136617
    Abstract: An oscillating sensor device, particularly for a proximity sensor, for sensing a dynamic change of attenuation caused by a measurable physical effect includes an oscillator including a resonance circuit and an amplifier fed back to the resonance circuit and configured to maintain oscillation of the oscillator, and a control unit configured to control the open loop gain of the oscillator. The amplifier comprises a non-linear gain characteristics defining an operating point at a preset amplitude of oscillation. The control unit is configured to control the open loop gain of the oscillator so that the operating point is set to a preset amplitude of the oscillation.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 30, 2020
    Applicant: Pepperl+Fuchs GmbH
    Inventors: Thomas Kühn, Jochen Vater, Christoph Braunsmann
  • Patent number: 10591553
    Abstract: The invention relates to a circuit arrangement for establishing compatibility between a field device or an interface device for a field device and a diagnostic system pertaining to a control system, to the output of which the interface device or field device can be connected. The diagnostic system is adapted to send, via the output of the control system, a test signal to the interface device or field device and to emit an error signal when an electrical response at the output of the control system lies outside an expectancy range. The circuit arrangement comprises voltage influencing means for influencing a voltage at the output of the control system.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: March 17, 2020
    Assignee: PEPPERL + FUCHS GMBH
    Inventors: Martin Jung, Peter Ball
  • Publication number: 20200041639
    Abstract: Agricultural detection device, having a sensor unit, an evaluation unit and a control unit. The sensor unit includes a first sensor with a first directivity and is configured to emit a first transmission signal and to receive a first reflection signal. The first sensor has a second directivity and emits a second sensor signal with the second directivity and receives a second reflection signal, or the sensor unit has a second sensor with a second directivity arranged adjacent to the first sensor for emitting the second transmission signal and for receiving the second reflection signal. The evaluation unit is configured to ascertain at least the structure of plants and a height value from the first reflection signal and the second reflection signal.
    Type: Application
    Filed: August 5, 2019
    Publication date: February 6, 2020
    Applicant: Pepperl+Fuchs GmbH
    Inventors: Ernst LUBER, Philipp SEITZ
  • Patent number: 10554043
    Abstract: A system including a current loop in serial connection with a field device is disclosed. The system includes a power management circuit connected in serial with the current loop and configured to cause a regulated voltage drop across the serial connection at an insertion voltage. The power management circuit is configured to output an electrical power derived from the insertion voltage. The power management circuit includes an energy pump, a control circuit, and a power consuming circuit. The energy pump is a voltage converter that receives a first voltage and converts the first voltage to a second voltage that is either higher or lower than the first voltage. The energy pump includes an input for receiving at least a portion of the insertion voltage and an feedback input for accepting a feedback sense.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: February 4, 2020
    Assignee: Pepperl + Fuchs GmbH
    Inventor: Mark Sinreich
  • Patent number: 10508936
    Abstract: For providing a reliable determination of the position of an object (1) regarding a relative movement between the object (1) and a path (2) an apparatus is provided comprising: a detector (3) attached to or integrated in the object (1), at least one marker (4) being located along the path (2), wherein the at least one marker (4) is detected by the detector (3) within its spatial detection range (5) for determining the position of the object (1) relative to the marker (4), characterized by generating means for providing a definable signal or signal sequence or graphic representation (7, 8) or graphic representation sequence, wherein said signal or signal sequence or graphic representation (7, 8) or graphic representation sequence is detected by the detector (3) within its spatial detection range (5), and by evaluating means (6) for verifying a coincidence or relationship of the provided signal or signal sequence or graphic representation (7, 8) or graphic representation sequence with corresponding data detecte
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: December 17, 2019
    Assignee: Pepperl+Fuchs GmbH
    Inventor: Martin Kirsch
  • Patent number: 10505539
    Abstract: The invention relates to an oscillator comprising a resonant circuit having at least one inductor and one capacitor and having a feedback amplifier, wherein there is at least one trimming resistor in a feedback circuit of the amplifier. The oscillator is characterized in that there is an electronic switching device for alternately connecting and disconnecting the trimming resistor, in that a trimming circuit is formed by the trimming resistor and the electronic switching device, in that there is a drive device for driving the electronic switching device, in that the electronic switching device, together with the drive device, is designed to alternately connect and disconnect the trimming resistor in a switching sequence, and in that an average time value of the electrical resistor of the trimming circuit, which is active in an oscillator mode, is defined by the switching sequence.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: December 10, 2019
    Assignee: Pepperl + Fuchs GmbH
    Inventor: Thomas Kühn
  • Patent number: 10482736
    Abstract: A security system includes a plurality of laser scanners to establish light shields in an area to be monitored, with each of the light shields including at least one detection zone, and a controller to detect unauthorized entry to the area to be monitored based on a position and timing of breaks in the detection zones of the light shields.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: November 19, 2019
    Assignee: PEPPERL+FUCHS GMBH
    Inventors: Nolan Kariniemi, Mark Pikkarainen
  • Patent number: 10372957
    Abstract: For providing an apparatus and method for providing a graphic representation (1, 2) or a graphic representation sequence for detection by a detector (3) which provide a simple and effective variation of a graphic representation (1, 2) or a graphic representation sequence for detection by the detector (3) an apparatus is claimed, comprising: at least one light source (4, 5) emitting at least one definable light color or light color spectrum, a colored graphic representation (1, 2) or graphic representation sequence, wherein the at least one light source (4, 5) illuminates the colored graphic representation (1, 2) or graphic representation sequence, so that depending on the at least one light color or light color spectrum the colored graphic representation (1, 2) or a part of the colored graphic representation (1, 2) is visible by the detector (3) with a predefinable intensity and/or color or not, and a control unit (6) for defining and providing an illumination sequence of the at least one light source (4, 5)
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: August 6, 2019
    Assignee: Pepperl+Fuchs GmbH
    Inventor: Martin Kirsch
  • Patent number: 10328462
    Abstract: An ultrasonic transducer having a transducer element, a housing, a coupling element with a front and a back, wherein the back of the coupling element is acoustically coupled to the top of the transducer element in order to couple the ultrasonic waves generated by the transducer element out to the environment in a transmit mode or in order to pass the ultrasonic waves received from the environment by the coupling element on to the transducer element in a receive mode. The transducer element and the coupling element are arranged in the housing. A first electrode is connected to a contact area formed on the bottom of the transducer element. The transducer element is arranged in a shielding device made of a metallically conductive material, and the opening of the shielding device is covered by a metallic, conductive screen so that the shielding device and the screen form a Faraday cage.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: June 25, 2019
    Assignee: Pepperl + Fuchs GmbH
    Inventor: Stefan Zimmermann
  • Patent number: 10184793
    Abstract: A measuring device for triangulation measurement comprises a light transmitter for emitting illuminating light; a transmitting optical system for directing the illuminating light in a light pattern in the direction of an object; a light receiver for recording an image; a control and evaluation unit, which determines, in a measurement mode, form or position information of the object based on a measurement image of the light receiver. According to the invention the control and evaluation unit can change over between the measurement mode and a data reading mode, wherein the control and evaluation unit, in the data reading mode, evaluates the image with respect to encoded parameter data, and, in a subsequent measurement mode, uses the parameter data read in this way. In addition, a corresponding method for triangulation measurement is described.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: January 22, 2019
    Assignee: Pepperl + Fuchs GmbH
    Inventors: Christoph Blankenburg, Armin Hornberger, Tim Weis
  • Publication number: 20190014675
    Abstract: A housing for receiving a circuit board with an overvoltage protection unit and overvoltage protection module. The housing includes a support frame and a film. The support frame is formed of a thermoplastic material and has a main leg, two side legs adjoining the main leg at one end in each case, and at least one lateral flat brace. The film is formed of a thermoplastic material and is formed U-shaped. An end face of the film at least partially covers an end face of the main leg, each side surface of the film at least partially covering the two side legs and the brace. The film is materially connected to the side legs such that the housing made up of the support frame and film is at least partially open on a side opposite the end face of the film.
    Type: Application
    Filed: July 9, 2018
    Publication date: January 10, 2019
    Applicant: Pepperl+Fuchs GmbH
    Inventor: Thomas Lebkuecher
  • Publication number: 20180308251
    Abstract: A method for recognizing the position of objects includes the following consecutive steps. In a first step, multiple objects having at least one distinctive component are provided. In a second step, a first object is transported to a measuring station having at least one ultrasonic sensor. In a third step, the object is measured using ultrasound. The ultrasonic waves are reflected by the object, recorded again by the at least one ultrasonic sensor and converted to electrical signals. In a fourth step, the electrical signals from the region where the distinctive component is disposed are transmitted to an artificial intelligence, and then converted to an image. In a last step, the obtained image is compared with a reference image, wherein it is checked whether the distinctive component is situated in the evaluated region. If so, the object is in the correct position.
    Type: Application
    Filed: April 19, 2018
    Publication date: October 25, 2018
    Applicant: Pepperl+Fuchs GmbH
    Inventor: Till STEINER
  • Publication number: 20180306756
    Abstract: A method for checking completeness, in a first step, passes a first object to a measuring station, wherein the measuring station has at least one ultrasonic sensor that is fixed in place, and in a second step, measures the first object using ultrasound, wherein an image of the object is created by an artificial intelligence. In a third step, the artificial intelligence compares the image obtained with a reference image, wherein the reference image is derived from a predetermined, complete object.
    Type: Application
    Filed: April 19, 2018
    Publication date: October 25, 2018
    Applicant: Pepperl+Fuchs GmbH
    Inventor: Till STEINER
  • Patent number: 10031217
    Abstract: A method for operating an ultrasonic sensor with a housing and at least an ultrasonic converter comprising a surface for emitting and receiving ultrasonic waves, whereby ultrasonic waves are emitted towards an object at different points in time, whereby the ultrasonic waves being reflected from the object are received by the surface and whereby a signal 1, 2 is generated by the received ultrasonic waves is characterized in that the relative position of the surface with respect to the object is modified in such a way that the relative position is different at consecutive points in time and that the signals 1, 2 of two consecutive points in time are subtracted from each other. Further an ultrasonic sensor for carrying out the method is described.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: July 24, 2018
    Assignee: Pepperl+Fuchs GmbH
    Inventors: Till Steiner, Wei Yap Tan
  • Publication number: 20180120101
    Abstract: A measuring device for triangulation measurement comprises a light transmitter for emitting illuminating light; a transmitting optical system, which directs the illuminating light in a plurality of light strips to an object; a light receiver for generating a measurement image of the object by measuring of light thrown back from illuminated object areas; and an evaluation unit for determining form or position information of the object based on the measurement image. According to the invention, for the assignment of which area in the measurement image belongs to which light strip, the transmitting optical system is designed so that it directs the illuminating light in differently formed light strips to the object. In addition a corresponding method for triangulation measurement is described.
    Type: Application
    Filed: October 24, 2017
    Publication date: May 3, 2018
    Applicant: Pepperl + Fuchs GmbH
    Inventors: Christoph Blankenburg, Hendrik Steinmann
  • Publication number: 20180123587
    Abstract: The invention relates to an oscillator comprising a resonant circuit having at least one inductor and one capacitor and having a feedback amplifier, wherein there is at least one trimming resistor in a feedback circuit of the amplifier. The oscillator is characterized in that there is an electronic switching device for alternately connecting and disconnecting the trimming resistor, in that a trimming circuit is formed by the trimming resistor and the electronic switching device, in that there is a drive device for driving the electronic switching device, in that the electronic switching device, together with the drive device, is designed to alternately connect and disconnect the trimming resistor in a switching sequence, and in that an average time value of the electrical resistor of the trimming circuit, which is active in an oscillator mode, is defined by the switching sequence.
    Type: Application
    Filed: March 9, 2015
    Publication date: May 3, 2018
    Applicant: Pepperl + Fuchs GmbH
    Inventor: Thomas Kühn