Patents by Inventor Ulli Hoffmann

Ulli Hoffmann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8686891
    Abstract: The invention relates to a locating device, in particular a hand-guided locating device, with a locating unit (36) for detecting the presence of an object (16, 18) arranged in an examination object (14) by means of an examination signal (38), which has a polarization unit (50) provided for a procedure with the examination signal (38), and with a housing (20) for taking up the locating unit (36), which has a longitudinal axis (24). It is proposed that in at least one operating mode the polarization unit (50) specifies at least one first polarization plane (52, 54) aligned obliquely to the longitudinal axis (24).
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: April 1, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Reiner Krapf, Heiko Braun, Michael Mahler, Christoph Wieland, Ulli Hoffmann
  • Patent number: 8656598
    Abstract: A handheld jigsaw, such as a compass saw (10), is disclosed that comprises a housing (12, 13) and a lifting rod (20) having a pendulum mechanism (38). The pendulum mechanism includes a pendulum lever (40) with which a pendulum stroke can be given during sawing to a saw blade (28) carried by the lifting rod (20). The lifting rod (20) is arranged such that it can rotate about its own axis (21) thereof and pivot transversely to the axis (21), and wherein the pendulum mechanism (38) can rotate about the axis (21).
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: February 25, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Hans Kaiser, Marcel Casota, Joachim Platzer, Thilo Koeder, Ulli Hoffmann, Jan Koegel
  • Patent number: 8546759
    Abstract: A measuring device, in particular a handheld measuring device, for the localization of objects enclosed in a medium, including at least one photometric sensor that obtains by way of the at least one photometric sensor a first measurement signal of the object to be examined, so that by evaluation of that measurement signal, information about an object enclosed in the medium is obtained, and at least one further sensor, for generating at least one further second measurement signal for obtaining information about the object enclosed in the medium. A method for the localization, by way of a photometric sensor, of objects enclosed in a medium.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: October 1, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Uwe Skultety-Betz, Bjoern Haase, Michael Mahler, Ulli Hoffmann, Reiner Krapf, Christoph Wieland
  • Patent number: 8531329
    Abstract: The present invention relates to a method for determining the thickness of material by penetrating the material, in particular a method for measuring the thickness of walls, ceilings and floors, with which a measurement signal (28) in the gigahertz frequency range emitted using a high-frequency transmitter (24) penetrates the material (10) to be investigated at least once and is detected by a high-frequency receiver (38). According to the present invention, it is provided that the thickness (d) of the material (10) is measured via at least two transit-time measurements of the measurement signal (28) performed at various positions (20, 22) of the high-frequency transmitter (24) and/or the high-frequency receiver (34). The present invention also relates to a device system (12; 40, 140, 240, 340) for carrying out the method described above.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: September 10, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Michael Mahler, Ulli Hoffmann, Reiner Krapf, Christoph Wieland, Felix Wewers
  • Patent number: 8493076
    Abstract: The invention relates to a measuring device comprising a signal unit (20) for emitting a measuring signal (22.1, 22.2) in a measuring frequency range (60, 62, 68, 70) adapted for measurement and an evaluation unit (36) for the spectral evaluation of an evaluation signal (34.1, 34.2) induced by the measuring signal (22.1, 22.2) to a measuring result. According to the invention, the measuring device comprises a signal processing unit (30) adapted to displace a generation signal (26) for generating a measuring signal (22.1, 22.2) in a generation frequency range (48) from the generation frequency range (48) to the measuring frequency range (60, 62, 68, 70).
    Type: Grant
    Filed: January 15, 2007
    Date of Patent: July 23, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Reiner Krapf, Heiko Braun, Michael Mahler, Christoph Wieland, Ulli Hoffmann
  • Patent number: 8436741
    Abstract: The invention is based on a locating device for locating objects in an item being investigated, said device having a basic body, a sensor unit for detecting a movement parameter when the basic body is moved relative to the item being investigated, an output unit and a control unit which, in conjunction with the output unit, is provided for the purpose of outputting an item of information on the basis of the movement parameter. It is proposed that the output unit has a light signal unit which is provided for the purpose of outputting the information using a light signal.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: May 7, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Reiner Krapf, Michael Mahler, Christoph Wieland, Ulli Hoffmann
  • Publication number: 20130062087
    Abstract: A machine tool, especially a jigsaw, is disclosed. Angle deviations from a set angle position of the working tool are detected as the actual angle is adapted to the set angle by rotationally adjusting the working tool.
    Type: Application
    Filed: October 26, 2010
    Publication date: March 14, 2013
    Applicant: Robert Bosch GmbH
    Inventors: Thilo Koeder, Joachim Platzer, Ulli Hoffmann
  • Publication number: 20120327216
    Abstract: A machine tool system is provided with a detection device for a working line specified for the surface of a workpiece, the marking contour of the working line being viewed from different wavelength ranges.
    Type: Application
    Filed: October 26, 2010
    Publication date: December 27, 2012
    Applicant: Robert Bosch GmbH
    Inventors: Thilo Koeder, Joachim Platzer, Ulli Hoffmann
  • Patent number: 8269479
    Abstract: A mechanical support device (10) for a sensor plate (18) of a device for transmitting and/or receiving electromagnetic high-frequency signals, is designed as a winding core (24, 26) of at least one coil (32, 32?, 32?; 34, 34?, 34?; 36, 36?, 36?) in an inductive sensor.
    Type: Grant
    Filed: July 3, 2006
    Date of Patent: September 18, 2012
    Assignee: Robert Bosch GmbH
    Inventors: Reiner Krapf, Uwe Skultety-Betz, Michael Mahler, Christoph Wieland, Ewald Schmidt, Ulli Hoffmann
  • Publication number: 20120227271
    Abstract: A tool device, in particular a jigsaw device, includes at least one guide unit for at least partially guiding at least one machine body and/or a workpiece processing motion. The tool device further includes at least one alignment detection unit for detecting an alignment of the guide unit relative to a motor housing and/or relative to a tool receiving unit.
    Type: Application
    Filed: July 15, 2010
    Publication date: September 13, 2012
    Applicant: Robert Bosch GmbH
    Inventors: Sebastian Krieger, Thilo Koeder, Joachim Platzer, Ulli Hoffmann
  • Patent number: 8111169
    Abstract: The invention is based on a locating device for locating objects in an item being investigated, the device having a basic body, a guide unit for guiding along the item being investigated in at least one direction of movement and an output unit. It is proposed that the locating device has a control unit which, in conjunction with the output unit, is provided for the purpose of outputting at least one item of information relating to a distance in the direction of movement with at least one dimensional distance variable.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: February 7, 2012
    Assignee: Robert Bosch GmbH
    Inventors: Reiner Krapf, Michael Mahler, Christoph Wieland, Ulli Hoffmann
  • Publication number: 20110308369
    Abstract: A power tool, particularly a hand-held power tool, is provided with a sensor unit for sensing an observation area on the workpiece side with varying resolution and having arranged in front of it a lens system with lenses of varying focal length.
    Type: Application
    Filed: November 20, 2009
    Publication date: December 22, 2011
    Applicant: ROBERT BOSCH GMBH
    Inventors: Thilo Koeder, Joachim Platzer, Ulli Hoffmann
  • Publication number: 20110265335
    Abstract: For a machine tool designed in particular as a saber saw, a configuration including a carrying frame is provided, via which the lifting rod and the support element are joined to form a unit that can be rotated about the longitudinal axis of the power tool, is mounted on the casing side, and guides a drive part of the lift drive on the lifting rod side.
    Type: Application
    Filed: November 17, 2009
    Publication date: November 3, 2011
    Inventors: Florian Bantle, Hans Kaiser, Thilo Koeder, Joachim Platzer, Ulli Hoffmann, Jan Koegel, Marcel Casota
  • Publication number: 20110251727
    Abstract: The invention relates to a motor-driven working device in the form of a machine tool (1) or a working apparatus, for which a semi-autonomous working operation is made possible by means of an auxiliary device (50). In said semi-autonomous working operation, the user must only carry out the rough alignment of the working device on a working line (27). The necessary guidance of the working means (48) of the working device on the working line (27) is provided by an auxiliary device (50).
    Type: Application
    Filed: May 5, 2009
    Publication date: October 13, 2011
    Applicant: ROBERT BOSCH GMBH
    Inventors: Thilo Koeder, Joachim Platzer, Ulli Hoffmann, Jan Koegel
  • Patent number: 8026711
    Abstract: The invention relates to a measuring device, in particular a hand-held measuring device for locating objects enclosed in a medium, using high-frequency electromagnetic signals. Said device comprises a housing (82) and at least one high-frequency sensor, which is located in the housing and has a first antenna assembly (10) containing at least one first antenna element (12), the latter preferably emitting and/or receiving signals on a first polarization plane. According to the invention, the antenna assembly (10) has at least one additional antenna element (14), whose polarization plane is rotated in relation to the polarization plane of the first antenna element (12).
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: September 27, 2011
    Assignee: Robert Bosch GmbH
    Inventors: Reiner Krapf, Heiko Braun, Michael Mahler, Christoph Wieland, Ulli Hoffmann
  • Patent number: 8020425
    Abstract: A locating device, in particular a handheld locating device, for detecting objects enclosed in a medium, includes a first device for detecting objects enclosed in a medium, and having a control and evaluation unit for measurement signals of the locating device. The device has a second detection device that makes it possible to detect a predeterminable distance d of the locating device from a surface of a medium. In addition, a method for calibrating a measurement device, in particular for calibrating a handheld locating device for detecting objects enclosed in a medium, a reference measurement for calibrating the measurement device is carried out only after at least one measurement has been carried out of a distance d of the measurement device from a surface of a medium.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: September 20, 2011
    Assignee: Robert Bosch GmbH
    Inventors: Uwe Skultety-Betz, Bjoern Haase, Michael Mahler, Ulli Hoffmann, Reiner Krapf, Christoph Wieland
  • Publication number: 20110185582
    Abstract: The invention relates to a power tool (1), especially in the form of a jigsaw (2), which comprises a saw blade (8). The back (39) of said saw blade is supported by a supporting member, which, even when in the shape of a supporting roller (36, 37), allows a controlled support of the saw blade (8) both in the pendulum stroke mode and in the scrolling mode.
    Type: Application
    Filed: March 16, 2009
    Publication date: August 4, 2011
    Applicant: Robert Bosch GMBH
    Inventors: Thilo Koeder, Joachim Platzer, Ulli Hoffmann
  • Publication number: 20110190936
    Abstract: The present invention relates to a portable power tool (1) comprising a sensor unit adapted to detect a working mark (17, 18) provided on a work piece to be processed using the portable power tool (1), said mark defining a target position of the portable power tool (1), and a control unit for determining a deviation of the actual position from the target position based on the signal output of the sensor unit, wherein a positioning unit is provided that is adapted to make an automatic correction of the portable power tool (1) from the actual position to the target position, and or a signal output unit is provided for issuing signals that represent the determined deviation to a user for the purposes of making manual corrections.
    Type: Application
    Filed: May 28, 2009
    Publication date: August 4, 2011
    Applicant: Robert Bosch GmbH
    Inventors: Thilo Koeder, Joachim Platzer, Ulli Hoffmann, Jan Koegel
  • Publication number: 20110173819
    Abstract: The invention relates to an operating method for a power tool (1), whereby it is monitored whether the working tool (7) has reached a predetermined position of application relative to a workpiece and whether it has maintained said position of application over a minimum period (t) and the tool (1) is only released for the working operation once the minimum period has expired.
    Type: Application
    Filed: March 17, 2009
    Publication date: July 21, 2011
    Inventors: Thilo Koeder, Joachim Platzer, Ulli Hoffmann
  • Publication number: 20110148392
    Abstract: The invention relates to a mechanical support device (10) for at least one sensor plate, for example an antenna element (18) in a device for transmitting and/or receiving electromagnetic high-frequency signals. According to the invention, the support device (10) is configured as a coil form (24, 26) of at least one winding (32, 32?, 32?; 34, 34?, 34?; 36, 36?, 36?) in an inductive sensor. In addition, the invention relates to a measuring device comprising multiple sensors, in particular a locating device (80) for detecting objects that are enclosed in a medium, said measuring device having at least one support device (10) of this type.
    Type: Application
    Filed: July 3, 2006
    Publication date: June 23, 2011
    Inventors: Reiner Krapf, Uwe Skultety-Betz, Michael Mahler, Christoph Wieland, Ewald Schmidt, Ulli Hoffmann