公开(公告)号：US12210147B2

公开(公告)日：2025-01-28

申请号：US17620468

申请日：2020-07-21

Applicant: Robert Bosch GmbH

Inventor： Andreas Petersen ,  Frank Schatz ,  Hendrik Specht ,  Thomas Kuenstle

IPC: G02B26/10 ,  G09G3/02 ,  H03B1/04 ,  H04N3/08 ,  H04N9/31

Abstract: A method for activating a drive unit of a deflection unit of a two-dimensional microscanner device. First and second control signals for activating the drive unit of the deflection unit are initially generated using a processing unit. The first and second control signals are subsequently transferred to the drive unit. A sinusoidal first movement of the deflection unit about a first axis and a sinusoidal second movement of the deflection unit about a second axis are carried out at a first point in time based on the transferred control signals. The first control signals are then adapted so that a periodic third movement is superimposed on the first movement at a second point in time following the first point in time. Alternatively, the second control signals are adapted so that a periodic fourth movement is superimposed on the second movement at the second point in time following the first.

公开(公告)号：US20230221545A1

公开(公告)日：2023-07-13

申请号：US18067402

申请日：2022-12-16

Applicant: Robert Bosch GmbH

Inventor： Helmut Grutzeck ,  Frank Schatz ,  Janine Riedrich-Moeller

IPC: G02B26/08 ,  H02N2/00 ,  H02N2/02 ,  H02N2/06

CPC classification number: G02B26/0858 ,  H02N2/006 ,  H02N2/028 ,  H02N2/06 ,  G02B26/10

Abstract: A micromechanical component comprising a bracket and an adjustable portion arranged in an adjustable manner on the bracket. The micromechanical component includes a first bender actuator and a first support structure for the first bender actuator. The first bender actuator is arranged in or on the first support structure and is configured to bend the first support structure at least in the area of the first bender actuator arranged in or on the first support structure, such that the adjustable portion is displaceable relative to the bracket about a first rotational axis. The first support structure is directly connected to the adjustable portion. The micromechanical component additionally includes a first spring configured to suspend the first support structure for the first bender actuator and the adjustable portion from the bracket.

公开(公告)号：US20230114605A1

公开(公告)日：2023-04-13

申请号：US17913245

申请日：2021-03-10

Applicant: Robert Bosch GmbH

Inventor： Adrian Kussmann ,  Christoph Ossmann ,  Frank Schatz ,  Michael Zegowitz ,  Sven Schickle

IPC: G01L3/10 ,  B62J45/411

Abstract: The invention relates to a system for torque measurement, in particular at a drive of an e-bike, including at least one shaft which is rotatable about an axis, is magnetized in at least one axial partial section, and onto which a torque to be measured can be applied, at least one TMR sensor, which is situated outside the shaft and is designed for at least two-dimensionally, in particular three-dimensionally, measuring a magnetic field and which is arranged in relation to the at least one partial section in such a way that, when the shaft rotates about the axis, the at least one sensor measures a change of the magnetic field due to the magnetostrictive effect in the magnetized partial section when the torque acts on the shaft, and an evaluation unit, which is connected to the at least one TMR sensor and is designed for determining a torque acting on the shaft based on the measured values of the magnetic field.

公开(公告)号：US20220216298A1

公开(公告)日：2022-07-07

申请号：US17564645

申请日：2021-12-29

Applicant: Robert Bosch GmbH

Inventor： Daniel Monteiro Diniz Reis ,  Frank Schatz ,  Mathias Mews ,  Timo Schary

IPC: H01L49/02

Abstract: Device and method for using a semiconductor component in which a dielectric layer is situated between a first electrode and a second electrode of the semiconductor component, defects of a first defect type being present in the dielectric layer. The method includes: operating the semiconductor component using a first voltage having a first polarity between the first electrode and the second electrode, determining whether or not a condition is met for switching over from operating the semiconductor component using the first voltage to operating the semiconductor component using a second voltage, which has a second polarity opposite the first polarity, continuing the operation of the semiconductor component using the first voltage if the condition is not met, and otherwise ending the operation of the semiconductor component using the first voltage, and operating the semiconductor component using the second voltage between the first electrode and the second electrode.

公开(公告)号：US20220214536A1

公开(公告)日：2022-07-07

申请号：US17645541

申请日：2021-12-22

Applicant: Robert Bosch GmbH

Inventor： Helmut Grutzeck ,  Frank Schatz ,  Johannes Baader ,  Josip Mihaljevic ,  Timo Schary

IPC: G02B26/08 ,  G03B21/00 ,  H01F7/08

Abstract: A micromechanical oscillation system. The micromechanical oscillation system has a micromechanical oscillating body having at least one micromirror. In addition, the micromechanical oscillation system includes an electromagnetic drive unit which has a coil body and at least one magnet. The coil body essentially extends laterally to the micromirror. The at least one magnet extends underneath the coil body.

公开(公告)号：US20220171182A1

公开(公告)日：2022-06-02

申请号：US17620468

申请日：2020-07-21

Applicant: Robert Bosch GmbH

Inventor： Andreas Petersen ,  Frank Schatz ,  Hendrik Specht ,  Thomas Kuenstle

IPC: G02B26/10

Abstract: A method for activating a drive unit of a deflection unit of a two-dimensional microscanner device. First and second control signals for activating the drive unit of the deflection unit are initially generated using a processing unit. The first and second control signals are subsequently transferred to the drive unit. A sinusoidal first movement of the deflection unit about a first axis and a sinusoidal second movement of the deflection unit about a second axis are carried out at a first point in time based on the transferred control signals. The first control signals are then adapted so that a periodic third movement is superimposed on the first movement at a second point in time following the first point in time. Alternatively, the second control signals are adapted so that a periodic fourth movement is superimposed on the second movement at the second point in time following the first.

公开(公告)号：US20210165211A1

公开(公告)日：2021-06-03

申请号：US17083227

申请日：2020-10-28

Applicant: Robert Bosch GmbH

Inventor： Frank Schatz

IPC: G02B26/08 ,  H01L41/09 ,  G02B26/10

Abstract: A micromechanical component including a mount, an adjustable part, and a meander-shaped spring. An outer end of the meander-shaped spring is attached to the mount and an inner end of the meander-shaped spring is attached to the adjustable part. An actuator device is formed at an outer surface of and/or in the meander-shaped spring in such a way that, using the actuator device, periodic deformations of the meander-shaped spring are excitable, by which the adjustable part is adjustable in relation to the mount around a rotational axis. The component includes a torsion spring which is situated on a side opposite to the meander-shaped spring and extends along the rotational axis and is attached at an outer end of the torsion spring to the mount and at an inner end of the torsion spring to the adjustable part. The meander-shaped spring is situated in sections on the rotational axis.

公开(公告)号：US10222459B2

公开(公告)日：2019-03-05

申请号：US14917848

申请日：2014-08-14

Applicant: Robert Bosch GmbH

Inventor： Jan Sparbert ,  Frank Fischer ,  Frank Schatz

IPC: G01C3/08 ,  G01S7/481 ,  G01S17/89 ,  G01S7/48

Abstract: A micromirror scanner and a method for controlling a micromirror scanner. The method includes furnishing a shot pattern which has at least information regarding first control application signals as a function of mirror positions of a displaceable micromechanical mirror of the micromirror scanner, which are designated to control a light source of the scanner; determining a mirror position of the mirror; emitting light beams into a solid angle; measuring light beams reflected at an object in the solid angle to determine a distance between the object and the scanner; determining a nature or position of the object with respect to the scanner as a function of the determined distance and the determined current mirror position; and adapting the shot pattern as a function of the position and/or nature of the object.

公开(公告)号：US09885866B2

公开(公告)日：2018-02-06

申请号：US15118777

申请日：2015-01-21

Applicant: Robert Bosch GmbH

Inventor： Rainer Straub ,  Kerrin Doessel ,  Johannes Baader ,  Frederic Njikam Njimonzie ,  Joerg Muchow ,  Frank Schatz ,  Helmut Grutzeck ,  Simon Armbruster ,  Zoltan Lestyan ,  Stefan Leidich ,  Jochen Franz

IPC: G02B26/08 ,  G02B26/10 ,  G02B7/182 ,  G03B21/14

CPC classification number: G02B26/085 ,  G02B7/1821 ,  G02B26/105 ,  G03B21/142

Abstract: A mirror system including a mirror that is mounted in a manner that permits oscillation, having a coil and at least one first spring that intercouples the mirror and the coil in a way that allows the coil to be placed as a counterweight to the oscillating mirror. Also a corresponding projection device.

公开(公告)号：US20240162840A1

公开(公告)日：2024-05-16

申请号：US18550657

申请日：2022-06-22

Applicant: ROBERT BOSCH GMBH

Inventor： Frank Schatz ,  Hendrik Specht

IPC: H02N2/14 ,  G02B26/08

CPC classification number: H02N2/142 ,  G02B26/0858

Abstract: The invention relates to a method for controlling a piezoelectric drive unit (81). For this purpose, a first control signal is applied to a first electrode (90a) of the first piezo element (95) of the piezoelectric drive unit (81). Additionally, a second control signal is applied to a second electrode (90b) of the first piezo element (95) of the piezoelectric drive unit (81). The first control signal is configured as a continuous positive first voltage signal. The second control signal is configured as a constant second voltage signal. The first control signal is always greater than the second control signal.