Patents Assigned to Lemforder Electronic GmbH
  • Patent number: 10651847
    Abstract: The present disclosure relates to a shift device for a control system for a vehicle. The shift device may include at least one optical fiber for conducting a light signal, where the light signal has an input characteristic when entering the shift device, and where the light signal has an output characteristic when exiting the shift device. The shift device may further include a control element, where the control element can be moved between a home position, a first actuation position, and a second actuation position by an actuation force. The control element may have an adjustment device for adjusting the characteristic of the light signal, where the adjustment device is configured to set the output characteristic of the light signal to a first value when the control element is in the home position.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: May 12, 2020
    Assignees: ZF Friedrichshafen AG, Lemförder Electronic GmbH
    Inventors: Andreas Peukert, Ralf Pfeifer
  • Patent number: 10563756
    Abstract: The current embodiments provide a control lever. The control lever may have a first connection unit with a plurality of inputs and at least one output. The at least one output may be configured for outputting an operation signal that represents the position of the control lever. The number of inputs of the plurality of inputs may exceed the number of outputs of the at least one output. The first connection unit may be configured to couple a first input of the plurality of inputs to the at least one output at a first point in time, and the connection unit may be configured to connect a second input of the plurality of inputs to the at least one output at a second point in time subsequent to the first point in time.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: February 18, 2020
    Assignees: ZF Friedrichshafen AG, Lemförder Electronic GmbH
    Inventors: Ralf Pfeifer, Andreas Peukert
  • Patent number: 10454405
    Abstract: A driver assembly comprises a predetermined number of semiconductor switches, wherein one of the semiconductor switches is arranged inside of a circular curve and the remaining semiconductor switches are arranged on the circular curve.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: October 22, 2019
    Assignee: Lemförder Electronic GmbH
    Inventors: Jorg Jahn, Thomas Erdmann, Ajoy Palit
  • Patent number: 10184559
    Abstract: A device for selecting an operating mode of a transmission of a vehicle is presented. The device has a control panel thereby, having at least one selector switch for selecting an operating mode, and one release switch for enabling a function of the at least one selector switch. The release switch has a touch sensitive button, serving as a first interface to a sensor circuit for enabling the function of the at least one selector switch. The sensor circuit has a second interface on an actuator for a driving function of the vehicle thereby. The sensor circuit can be closed by producing an electrically conductive connection between the first interface and the second interface via a driver region of an interior space of the vehicle.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: January 22, 2019
    Assignees: ZF Friedrichshafen AG, Lemförder Electronic GmbH
    Inventors: Ralf Pfeifer, Andreas Peukert
  • Patent number: 10100926
    Abstract: A device for shifting an operation element of an automatic transmission of a vehicle in a parking position includes a rotationally mounted locking comb directly coupled with the operation element, with a stop member, a locking pin which is designed in a first position to fix the locking comb and in a second position to release the locking comb for a rotational movement, and a rotationally mounted set collar with a switching cam and a catch, wherein the switching cam is formed at a rotational movement of the set collar to move the locking pin from the first position to the second position, and the catch is formed at the rotational movement of the set collar to entrain the stop member to turn the locking comb so far that the operation element is shifted to the parking position.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: October 16, 2018
    Assignees: ZF FRIEDRICHSHAFEN AG, LEMFÖRDER ELECTRONIC GMBH
    Inventors: Ludger Rake, Andreas Giefer, Sascha Rosentreter, Ralf Hartrampf
  • Patent number: 10062336
    Abstract: A method for setting an electronic display device for a vehicle to a secure state, wherein the electronic display device is designed to display, in response to an image signal received by a control mechanism, an image datum transmitted by the image signal, and to maintain the display without applying an operating voltage, is characterized in that the method comprises a step for receiving a diagnosis signal via an interface to the control mechanism, wherein the diagnosis signal represents a signal provided by the control mechanism, and furthermore, a step for outputting a reset signal to an interface to the display device, depending on a signal status of the diagnosis signal, wherein the reset signal is designed to trigger a display of a secure image datum by the display device, in order to set the display device to the secure state.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: August 28, 2018
    Assignee: LEMFÖRDER ELECTRONIC GMBH
    Inventor: Jorg Jahn
  • Patent number: 10014932
    Abstract: The approach relates to a procedure for determining a signal transmission quality of a light transmission path, which consists of a light transmitter on one end and a light receiver on its other end. A transmitter code is received in a first step. The transmitter code hereby represents a signal which is transmitted from the light transmitter to the light receiver. In a further step the receiver code is read in. The receiver code hereby represents a signal which was provided by the light receiver by using the transmitter code. The determining of a degree of correspondency between the transmitter code and the receiver code is performed in a final step of determining, in order to define the signal transmission quality of the light transmission path.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: July 3, 2018
    Assignee: Lemförder Electronic GmbH
    Inventors: Thomas Erdmann, Jorg Jahn
  • Patent number: 9917533
    Abstract: A driver assembly comprises several semiconductor switches that are arranged in a plane so that distances between adjacent semiconductor switches in the plane are equally large, and so that each semiconductor switch has the same number of adjacent semiconductor switches.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: March 13, 2018
    Assignee: Lemförder Electronic GmbH
    Inventors: Jorg Jahn, Thomas Erdmann, Ajoy Palit
  • Publication number: 20170321801
    Abstract: The present disclosure relates to a shift device for a control system for a vehicle. The shift device may include at least one optical fiber for conducting a light signal, where the light signal has an input characteristic when entering the shift device, and where the light signal has an output characteristic when exiting the shift device. The shift device may further include a control element, where the control element can be moved between a home position, a first actuation position, and a second actuation position by an actuation force. The control element may have an adjustment device for adjusting the characteristic of the light signal, where the adjustment device is configured to set the output characteristic of the light signal to a first value when the control element is in the home position.
    Type: Application
    Filed: September 29, 2015
    Publication date: November 9, 2017
    Applicants: ZF Friedrichshafen AG, Lemförder Electronic GmbH
    Inventors: Andreas Peukert, Ralf Pfeifer
  • Publication number: 20170179795
    Abstract: A driver assembly comprises a predetermined number of semiconductor switches, wherein one of the semiconductor switches is arranged inside of a circular curve and the remaining semiconductor switches are arranged on the circular curve.
    Type: Application
    Filed: February 19, 2015
    Publication date: June 22, 2017
    Applicant: Lemförder Electronic GmbH
    Inventors: Jorg JAHN, Thomas ERDMANN, Ajoy PALIT
  • Publication number: 20170110984
    Abstract: A driver assembly comprises several semiconductor switches that are arranged in a plane so that distances between adjacent semiconductor switches in the plane are equally large, and so that each semiconductor switch has the same number of adjacent semiconductor switches.
    Type: Application
    Filed: February 19, 2015
    Publication date: April 20, 2017
    Applicant: Lemförder Electronic GmbH
    Inventors: Jorg Jahn, Thomas Erdmann, Ajoy Palit
  • Publication number: 20170005721
    Abstract: The approach relates to a procedure for determining a signal transmission quality of a light transmission path, which consists of a light transmitter on one end and a light receiver on its other end. A transmitter code is received in a first step. The transmitter code hereby represents a signal which is transmitted from the light transmitter to the light receiver. In a further step the receiver code is read in. The receiver code hereby represents a signal which was provided by the light receiver by using the transmitter code. The determining of a degree of correspondency between the transmitter code and the receiver code is performed in a final step of determining, in order to define the signal transmission quality of the light transmission path.
    Type: Application
    Filed: October 27, 2014
    Publication date: January 5, 2017
    Applicant: Lemförder Electronic GmbH
    Inventors: Thomas Erdmann, Jorg Jahn
  • Publication number: 20160314748
    Abstract: A method for setting an electronic display device for a vehicle to a secure state, wherein the electronic display device is designed to display, in response to an image signal received by a control mechanism, an image datum transmitted by the image signal, and to maintain the display without applying an operating voltage, is characterized in that the method comprises a step for receiving a diagnosis signal via an interface to the control mechanism, wherein the diagnosis signal represents a signal provided by the control mechanism, and furthermore, a step for outputting a reset signal to an interface to the display device, depending on a signal status of the diagnosis signal, wherein the reset signal is designed to trigger a display of a secure image datum by the display device, in order to set the display device to the secure state.
    Type: Application
    Filed: November 17, 2014
    Publication date: October 27, 2016
    Applicant: Lemförder Electronic GmbH
    Inventor: Jorg JAHN
  • Publication number: 20160305539
    Abstract: The current embodiments provide a control lever. The control lever may have a first connection unit with a plurality of inputs and at least one output. The at least one output may be configured for outputting an operation signal that represents the position of the control lever. The number of inputs of the plurality of inputs may exceed the number of outputs of the at least one output. The first connection unit may be configured to couple a first input of the plurality of inputs to the at least one output at a first point in time, and the connection unit may be configured to connect a second input of the plurality of inputs to the at least one output at a second point in time subsequent to the first point in time.
    Type: Application
    Filed: October 15, 2014
    Publication date: October 20, 2016
    Applicants: ZF Friedrichshafen AG, Lemförder Electronic GmbH
    Inventors: Ralf Pfeifer, Andreas Peukert
  • Publication number: 20160252177
    Abstract: A device for selecting an operating mode of a transmission of a vehicle is presented. The device has a control panel thereby, having at least one selector switch for selecting an operating mode, and one release switch for enabling a function of the at least one selector switch. The release switch has a touch sensitive button, serving as a first interface to a sensor circuit for enabling the function of the at least one selector switch. The sensor circuit has a second interface on an actuator for a driving function of the vehicle thereby. The sensor circuit can be closed by producing an electrically conductive connection between the first interface and the second interface via a driver region of an interior space of the vehicle.
    Type: Application
    Filed: September 26, 2014
    Publication date: September 1, 2016
    Applicants: ZF Friedrichshafen AG, Lemförder Electronic GMBH
    Inventors: Ralf PFEIFER, Andreas PEUKERT
  • Publication number: 20160245403
    Abstract: A device for shifting an operation element of an automatic transmission of a vehicle in a parking position includes a rotationally mounted locking comb directly coupled with the operation element, with a stop member, a locking pin which is designed in a first position to fix the locking comb and in a second position to release the locking comb for a rotational movement, and a rotationally mounted set collar with a switching cam and a catch, wherein the switching cam is formed at a rotational movement of the set collar to move the locking pin from the first position to the second position, and the catch is formed at the rotational movement of the set collar to entrain the stop member to turn the locking comb so far that the operation element is shifted to the parking position.
    Type: Application
    Filed: September 17, 2014
    Publication date: August 25, 2016
    Applicants: ZF Friedrichshafen AG, Lemförder Electronic GmbH
    Inventors: Ludger RAKE, Andreas GIEFER, Sascha ROSENTRETER, Ralf HARTRAMPF
  • Publication number: 20160238128
    Abstract: A device for locking an operation element of an automatic transmission of a vehicle may comprise a rotationally mounted locking comb including a locking contour configured to be coupled with an operation element. The device may further comprise a locking element, where the locking element is configured to be arranged in a first position outside the locking contour to release the locking comb for a rotational movement to allow a shifting movement of the operation element. The locking element may be configured to be arranged in a second position in the locking contour to fix the locking comb for locking the operation element. The device may further comprise a rotationally mounted set ring with a control contour for guiding the locking element between the first position and the second position.
    Type: Application
    Filed: September 17, 2014
    Publication date: August 18, 2016
    Applicants: ZF Friedrichshafen AG, Lemförder Electronic GmbH
    Inventors: Ludger Rake, Andreas Giefer, Sascha Rosentreter, Ralf Hartrampf
  • Patent number: 8607657
    Abstract: The invention is directed to an actuation device for a shift-by-wire-actuated speed change gearbox. The actuation device includes an operating lever (2), a position sensor (5) and a device for haptic emulation. The haptic emulation device includes a damping element (3) which is joined (8) on the base (10) of the actuation device, as well as a motor-driven actuator (6). According to the invention, the actuation device is characterized by a spring element (4) which has a known spring rate and is disposed within the operative connection (W) between the operating lever (2), the damping element (3) and the articulated joint (8). The invention enables determination of the position of the operating lever and of the operating force applied to the operating lever by way of the spring element, using only a single position sensor. The haptic of a mechanical operating lever can be completely emulated.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: December 17, 2013
    Assignee: Lemforder Electronic GmbH
    Inventor: Rainer Haevescher
  • Patent number: 8552723
    Abstract: A measuring arrangement is provided with a magnetic field-sensitive sensor (2), which includes a body (10) formed of a magnetic material. The body has a continuous recess (12) and a wall (26) defining same. The sensor (2) has at least one electric conductor (5), which extends between the ends and is passed through the recess (12). A magnet (22), which can be moved relative to the body (10), provides a magnetic field by which the permeability of the body (10) can be varied as a function of the distance between the body (10) and the magnet (22). An analysis means (4), which can be or is connected to the conductor (5) and by which the change in the permeability of the body (10) can be detected. The conductor (5) does not loop around the wall (26).
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: October 8, 2013
    Assignee: Lemförder Electronic GmbH
    Inventors: Rainer Haevescher, Achim Fürhoff, Maik Hubert
  • Patent number: 8508215
    Abstract: An arrangement for measuring values of a voltage applied to an electronic component. The arrangement comprises a first signal transmitter which can emit a first switching signal, a first switch coupled to the first signal transmitter and can be controlled by the first switching signal. The electronic component is connected in series to the first switch and can be coupled, via the same, to an electric energy source. A second signal transmitter, which can emit a second switching signal. A second switch is coupled to the second signal transmitter and can be controlled by the second switching signal. A capacitive accumulator is connected in series to the second switch and can be connected in parallel, via the same, to the electronic component or to the series connection formed by the electronic component and the first switch. An analog/digital converter which is connected in parallel to the capacitive accumulator.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: August 13, 2013
    Assignee: Lemforder Electronic GmbH
    Inventor: Rainer Haevescher