Patents by Inventor Gael Pilard

Gael Pilard 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: 11940619
    Abstract: A mirror device including a micromirror, which is excitable to an oscillatory motion such that a first impingement angle of a beam of light impinging upon its reflective surface varies within a first value range, and a cover element, which is stationary so that, due to the reflection at the reflective surface, the beam impinges upon at least one inner surface of the cover element and partially impinges as reflection beam upon the reflective surface. The cover element is aligned at an incline relative to a neutral position of the micromirror such that a second impingement angle of the reflection beam impinging upon the micromirror lies within a second value range outside the first value range. The reflective surface has a coating, which has a reflection coefficient of at least 0.6 for the first value range and a reflection coefficient of maximally 0.4 for the second value range.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: March 26, 2024
    Assignee: Robert Bosch GmbH
    Inventor: Gael Pilard
  • Publication number: 20240019710
    Abstract: An optical system for a virtual retinal scan display. The system includes: an image source providing image content as image data; an image-processing device; a projector unit for generating at least one light beam, and having a controllable deflecting device for the at least one light beam for the scanning projection of the image content; a diverting unit, onto which the image content is projected, equipped to direct the projected image content onto an eye of a user; an optical segmentation element using which the image content is projectable via different imaging paths onto at least one projection region of the diverting unit, at least individual imaging paths being controllable individually; and an optical replication component equipped to direct the projected image content, replicated and spatially offset, onto the eye of the user, so that a plurality of mutually spatially offset exit pupils having the image content is produced.
    Type: Application
    Filed: October 18, 2021
    Publication date: January 18, 2024
    Inventors: Andrea Marchini, Andreas Petersen, Christian Nitschke, Eva Lea Elisabeth Empting, Gael Pilard, Hendrik Specht, Joerg Carls, Johannes Hofmann, Maximilian Busch, Sebastian Reiss, Simon Pick, Tadiyos Alemayehu, Thomas Kuenstle
  • Publication number: 20230137261
    Abstract: A microelectro-optical beam-guidance device. The device includes an optical damping element that includes an optical filter and beam-guidance surfaces. The optical filter is provided to reduce an intensity of a light beam when passing through the optical damping element. The beam-guidance surfaces are being disposed and/or formed in such a way that an intended entry vector of a light beam into the optical damping element and an intended exit vector of the light beam out of the optical damping element are offset relative to each other as viewed along the intended entry vector. The beam-guidance surfaces and the optical filter are disposed and/or formed in such a way that portions of a light beam reflected at the optical filter within the optical damping element have a reflection vector upon exiting the optical damping element which is different from a vector antiparallel to the intended entry vector.
    Type: Application
    Filed: October 19, 2022
    Publication date: May 4, 2023
    Inventor: Gael Pilard
  • Publication number: 20230071805
    Abstract: A projection device for smart glasses. The projection device includes an image generating unit for generating at least one first light beam representing image information, and at least one deflecting element, which is configured to deflect the first light beam in the form of a second light beam representing first image information, and to deflect the first light beam in the form of a third light beam representing second image information, into a first field of vision and/or into a second field of vision of an eye; the second light beam and the third light beam differing with regard to a beam divergence; and the second field of vision and the first field of vision at least overlapping.
    Type: Application
    Filed: February 4, 2021
    Publication date: March 9, 2023
    Inventors: Andreas Petersen, Gael Pilard, Hendrik Specht
  • Publication number: 20220400236
    Abstract: An optical system for a virtual retinal scan display. The optical system includes: a projector unit including a modulatable light source for generating at least one modulated light beam and including a movable deflection device for the light beam, a scanning projection of an image content being generatable from the at least one light beam as a result of the movement of the movable deflection device; a diverting unit, onto which the image content is projectable and which is configured to map the projected image content into an exit pupil and to guide it onto an eye of a user; an optical exit pupil shifting unit situated in an optical path of the light beam for spatially shifting the exit pupil of an eye box of the optical system in directions which extend at least essentially in parallel to an exit pupil plane of the exit pupil.
    Type: Application
    Filed: June 6, 2022
    Publication date: December 15, 2022
    Applicant: Robert Bosch GmbH
    Inventor: Gael Pilard
  • Publication number: 20220269088
    Abstract: An optical system for a virtual retinal scan display. The optical system includes an image source which supplies image data, an image processing device for the image data, a projector unit having a light source modulatable in time for generating a light beam, and an actuable refraction device for the light beam for the scanning projection of the image content, a deflection unit onto which the image content is able to be projected and which is designed to guide the projected image content onto an eye of a user, and an adaptive optical element for modifying a beam divergence, which is situated in the optical path between the light source and the deflection unit. The adaptive optical element is able to be actuated so that the beam divergence of the light beam is variable as a function of the angle of incidence of the light beam on the deflection unit.
    Type: Application
    Filed: February 16, 2022
    Publication date: August 25, 2022
    Inventors: Andrea Marchini, Andreas Petersen, Christian Nitschke, Eva Lea Elisabeth Empting, Gael Pilard, Hendrik Specht, Joerg Carls, Johannes Hofmann, Maximilian Busch, Sebastian Reiss, Simon Pick, Tadiyos Alemayehu, Thomas Kuenstle
  • Patent number: 11330233
    Abstract: A device for projecting an image. The device has a laser device, which is developed to emit a laser beam, the laser device having a modulation unit, which is developed to modulate image data onto the laser beam; and a micromirror device, which is developed to deflect the laser beam in a linear manner. The modulation unit is developed to modulate the laser beam in such a way that a predefined optical warning signal is emitted in a region around reversal points of the linear deflection.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: May 10, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Gael Pilard, Peter Ostertag
  • Publication number: 20220013975
    Abstract: A light-emitting device, having a laser light device that is designed to emit a multiplicity of laser light beams. Ellipticities of beam cross-sections of the laser light beams differ at least partly from one another. The light-emitting device includes a beamforming device that is introduced into the beam path of at least one of the laser light beams and that is designed to adapt the ellipticities of the beam cross-sections of the laser light beams to one another, and a beam-combining device that is designed to combine the laser light beams to form an overall light beam, after the adapting of the ellipticities of the beam cross-sections by the beamforming device.
    Type: Application
    Filed: February 18, 2020
    Publication date: January 13, 2022
    Inventors: Gael Pilard, Hendrik Specht, Martin Edel, Sebastian Reiss, Simon Pick
  • Publication number: 20210302725
    Abstract: An optical combination device for projecting an image onto an impingement region. The device includes at least a first and a second layer which are mutually spaced apart at a distance. The first layer has a shorter distance to the impingement region than the second layer. The first layer has at least two functional regions which are mutually spatially separate. The first and the second layers are formed to transmit a portion of the beam, which is incident on a first functional region, in the direction of the second layer, and to propagate the transmitted portion between the first and second layers at least partially along a direction of extent of the at least two layers, and to provide the at least partially propagated beam as outgoing beam in the direction of the impingement region via a second functional region of the first layer.
    Type: Application
    Filed: October 10, 2019
    Publication date: September 30, 2021
    Inventor: Gael Pilard
  • Publication number: 20210271088
    Abstract: An optical combination device for projecting an image from an illumination device onto an eye of a person. The device includes at least two layers, which are mutually spaced apart at a distance, and spaced at different distances from the eye. Each of the layers is at least partially reflective, so that at least one reflected first sub-beam is provided by at least one of the layers by reflection off the at least one layer. The first layer, which is a shorter distance from the eye, is partially transmissive so that at least one second sub-beam is formed from an incident beam. The at least one second sub-beam is transmitted at a first angle and at least partially reflected as a reflected second sub-beam by the second layer located therebehind. The reflected first and second sub-beams each provide different positions of eyeboxes on the pupil 20 of the eye.
    Type: Application
    Filed: October 10, 2019
    Publication date: September 2, 2021
    Applicant: Robert Bosch GmbH
    Inventor: Gael Pilard
  • Publication number: 20210263304
    Abstract: A mirror device including a micromirror, which is excitable to an oscillatory motion such that a first impingement angle of a beam of light impinging upon its reflective surface varies within a first value range, and a cover element, which is stationary so that, due to the reflection at the reflective surface, the beam impinges upon at least one inner surface of the cover element and partially impinges as reflection beam upon the reflective surface. The cover element is aligned at an incline relative to a neutral position of the micromirror such that a second impingement angle of the reflection beam impinging upon the micromirror lies within a second value range outside the first value range. The reflective surface has a coating, which has a reflection coefficient of at least 0.6 for the first value range and a reflection coefficient of maximally 0.4 for the second value range.
    Type: Application
    Filed: June 18, 2019
    Publication date: August 26, 2021
    Applicants: Robert Bosch GmbH, Robert Bosch GmbH
    Inventor: Gael Pilard
  • Patent number: 11079591
    Abstract: A method is described for generating a visible image on a projection surface, in the course of which visible light is emitted from a first laser resonator, the visible light is deflected in the direction of the projection surface with the aid of a deflection element, in particular a micromirror, in order to generate the image, and a light spot of visible light is generated on the deflection element, and invisible light is emitted from a second laser resonator, and a light ring is generated on the deflection element from the invisible light, which enlarges the light spot.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: August 3, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Frank Fischer, Gael Pilard
  • Publication number: 20200366875
    Abstract: A device for projecting an image. The device has a laser device, which is developed to emit a laser beam, the laser device having a modulation unit, which is developed to modulate image data onto the laser beam; and a micromirror device, which is developed to deflect the laser beam in a linear manner. The modulation unit is developed to modulate the laser beam in such a way that a predefined optical warning signal is emitted in a region around reversal points of the linear deflection.
    Type: Application
    Filed: November 15, 2018
    Publication date: November 19, 2020
    Inventors: Gael Pilard, Peter Ostertag
  • Publication number: 20200336711
    Abstract: A projection device for projecting image information onto a projection surface, including a laser for generating a laser beam, a micromirror unit for selectively deflecting the laser beam onto different image points of the projection surface, and magnifying optics, situated in the beam path of the laser beam, downstream from the micromirror unit, for increasing the deflection of the laser beam that is achievable via the micromirror unit. Also described is a method for projecting image information onto a projection surface, a laser beam being generated which is selectively deflected onto different image points of the projection surface via a micromirror unit, the deflection of the laser beam being increased via magnifying optics.
    Type: Application
    Filed: February 15, 2017
    Publication date: October 22, 2020
    Inventors: Gael Pilard, Frank Fischer
  • Publication number: 20200225465
    Abstract: A method is described for generating a visible image on a projection surface, in the course of which visible light is emitted from a first laser resonator, the visible light is deflected in the direction of the projection surface with the aid of a deflection element, in particular a micromirror, in order to generate the image, and a light spot of visible light is generated on the deflection element, and invisible light is emitted from a second laser resonator, and a light ring is generated on the deflection element from the invisible light, which enlarges the light spot.
    Type: Application
    Filed: July 5, 2017
    Publication date: July 16, 2020
    Applicants: Robert Bosch GmbH, Robert Bosch GmbH
    Inventors: Frank Fischer, Gael Pilard
  • Patent number: 10652508
    Abstract: A method and a projector for projecting an image pixel by pixel includes a control unit controlling a light diode device for emitting visible light, pixel by pixel, in accordance with the image to be projected and controlling an infrared diode device for emitting infrared radiation pixel by pixel based on the image to be projected and on a back radiation model, in such a way that a setpoint back radiation intensity measuring signal to be expected pixel by pixel for the actual back radiation intensity measuring signal has a predetermined value for predetermined pixels; and a radiation intensity detection device detecting pixel by pixel a back radiation intensity of reflected visible light and reflected infrared radiation and generating pixel by pixel an actual back radiation intensity measuring signal based on the detected back radiation intensities.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: May 12, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Alexander Ehlert, Felix Schmidt, Gael Pilard, Niklas Dittrich
  • Publication number: 20200096635
    Abstract: An object detection device is described for a light projection surface having at least one light source, which is developed to emit a light beam in such a way that a beam pattern of light beams emitted by a plurality of light sources or of partial beams of the at least one light beam emitted by the at least one light source is able to be radiated at least onto a portion of the light projection surface and/or at least into a partial environment of the light projection surface; and having a detection device which is developed to establish a possible penetration of the radiated beam pattern by an object, based on a reflection of the radiated beam pattern, and to output an object warning signal as the case may be.
    Type: Application
    Filed: January 23, 2018
    Publication date: March 26, 2020
    Inventors: Frank Fischer, Gael Pilard
  • Patent number: 10317531
    Abstract: A module for measuring an object located in a position finding zone; the module being configured for generating a primary beam; the module having a scanning mirror structure; the scanning mirror structure being controllable to allow the primary beam to execute a scanning movement within the position finding zone; the module being configured to allow a secondary signal to be detected when the secondary signal is produced in response to the interaction of the primary beam with the object in a deflection position of the scanning mirror structure; the module being configured to generate position finding information as a function of the deflection position of the scanning mirror structure; the module featuring a semiconductor laser component; the semiconductor laser component being configured for producing the primary beam and for detecting the secondary signal.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: June 11, 2019
    Assignee: ROBERT BOSCH GMBH
    Inventors: Christoph Delfs, Frank Fischer, Reiner Schnitzer, Niklas Dittrich, Heiko Ridderbusch, Gael Pilard
  • Publication number: 20180120557
    Abstract: A scanning device, comprising a laser (1) for emitting a light beam (3); a collimator lens (2) with a settable focal length (f1) for focusing a light beam (3) emitted by the laser (1); and a micromirror (4) for modulating the light beam (3) emitted by the laser (1); wherein a light beam distance (L) from the laser (1) at which a beam radius (d) of the light beam (3) emitted by the laser (1) is at a minimum is settable by setting the focal length (f1) of the collimator lens (2).
    Type: Application
    Filed: May 9, 2016
    Publication date: May 3, 2018
    Inventor: Gael Pilard
  • Patent number: 9857287
    Abstract: A particle sensor apparatus having an optical emitter device that is configured to emit an optical radiation so that a volume having at least one particle possibly present therein is at least partly illuminatable; an optical detector device having at least one detection surface that is struck by at least a portion of the optical radiation scattered at the at least one particle, at least one information signal regarding an intensity and/or an intensity distribution of the optical radiation striking the at least one detection surface being outputtable; and an evaluation device with which an information item regarding a presence of particles, a number of particles, a particle density, and/or at least one property of particles is identifiable and outputtable, the particle sensor apparatus also encompassing at least one lens element that is disposed so that the emitted optical radiation is focusable onto a focus region inside the volume.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: January 2, 2018
    Assignees: ROBERT BOSCH GMBH, KONINKLIJKE PHILIPS N.V.
    Inventors: Niklas Dittrich, Frank Fischer, Reiner Schnitzer, Jochen Hellmig, Gael Pilard, Alexander Van der Lee