Patents by Inventor Bernard Fidric
Bernard Fidric 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).
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Publication number: 20240085530Abstract: Described herein is a LIDAR device that may include a transmitter, first and second receivers, and a rotating platform. The transmitter may be configured to emit light having a vertical beam width. The first receiver may be configured to detect light at a first resolution while scanning the environment with a first FOV and the second receiver may be configured to detect light at a second resolution while scanning the environment with a second FOV. In this arrangement, the first resolution may be higher than the second resolution, the first FOV may be at least partially different from the second FOV, and the vertical beam width may encompass at least a vertical extent of the first and second FOVs. Further, the rotating platform may be configured to rotate about an axis such that the transmitter and first and second receivers each move based on the rotation.Type: ApplicationFiled: November 19, 2023Publication date: March 14, 2024Inventors: Pierre-Yves Droz, Caner Onal, William McCann, Bernard Fidric, Vadim Gutnik, Laila Mattos, Rahim Pardhan
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Patent number: 11860305Abstract: Described herein is a LIDAR device that may include a transmitter, first and second receivers, and a rotating platform. The transmitter may be configured to emit light having a vertical beam width. The first receiver may be configured to detect light at a first resolution while scanning the environment with a first FOV and the second receiver may be configured to detect light at a second resolution while scanning the environment with a second FOV. In this arrangement, the first resolution may be higher than the second resolution, the first FOV may be at least partially different from the second FOV, and the vertical beam width may encompass at least a vertical extent of the first and second FOVs. Further, the rotating platform may be configured to rotate about an axis such that the transmitter and first and second receivers each move based on the rotation.Type: GrantFiled: June 26, 2019Date of Patent: January 2, 2024Assignee: Waymo LLCInventors: Pierre-Yves Droz, Caner Onal, William McCann, Bernard Fidric, Vadim Gutnik, Laila Mattos, Rahim Pardhan
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Patent number: 11843217Abstract: The present disclosure relates to a fiber encapsulation mechanism for energy dissipation in a fiber amplifying system. One example embodiment includes an optical fiber amplifier. The optical fiber amplifier includes an optical fiber that includes a gain medium, as well as a polymer layer that at least partially surrounds the optical fiber. The polymer layer is optically transparent. In addition, the optical fiber amplifier includes a pump source. Optical pumping by the pump source amplifies optical signals in the optical fiber and generates excess heat and excess photons. The optical fiber amplifier additionally includes a heatsink layer disposed adjacent to the polymer layer. The heatsink layer conducts the excess heat away from the optical fiber. Further, the optical fiber amplifier includes an optically transparent layer disposed adjacent to the polymer layer. The optically transparent layer transmits the excess photons away from the optical fiber.Type: GrantFiled: April 1, 2021Date of Patent: December 12, 2023Assignee: Waymo LLCInventors: Bernard Fidric, Daniel Rosenfeld, Rahim Pardhan
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Patent number: 11422479Abstract: Systems and methods described herein relate to the manufacture of optical elements and optical systems. An example method includes overlaying a first mask on a photoresist material and a substrate, and causing a light source to illuminate the photoresist material through the first mask during a first exposure so as to define a first feature. During the first exposure, the light source is positioned at a non-normal angle with respect to a plane parallel to the substrate. The method includes developing the photoresist material so as to retain an elongate portion of the photoresist material on the substrate. A first end of the elongate portion includes an angled portion that is sloped at an angle with respect to a long axis of the elongate portion. The method also includes depositing a reflective material through a second mask onto the angled portion.Type: GrantFiled: March 1, 2021Date of Patent: August 23, 2022Assignee: Waymo LLCInventors: Bernard Fidric, Pierre-Yves Droz, David Hutchison
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Publication number: 20220120900Abstract: The subject matter of this specification relates to a light detection and ranging (LiDAR) device that comprises, in some implementations, a pulsed-laser source configured to generate a pulsed optical signal, a continuous wave (CW) laser source configured to generate a CW optical signal, one or more optical amplifier circuits configured to amplify at least the pulsed optical signal, a combiner configured to combine the pulsed optical signal and the CW optical signal into a hybrid transmission signal, and at least one photodetector configured to receive a reflection signal produced by reflection of the hybrid transmission signal by a target.Type: ApplicationFiled: October 13, 2021Publication date: April 21, 2022Inventors: Bernard Fidric, Pierre-Yves Droz, Michael R. Matthews, Pablo Hopman, John Lam
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Publication number: 20210333361Abstract: Systems and methods are described that relate to a light detection and ranging (LIDAR) device. The LIDAR device includes a fiber laser configured to emit light within a wavelength range, a scanning portion configured to direct the emitted light in a reciprocating manner about a first axis, and a plurality of detectors configured to sense light within the wavelength range. The device additionally includes a controller configured to receive target information, which may be indicative of an object, a position, a location, or an angle range. In response to receiving the target information, the controller may cause the rotational mount to rotate so as to adjust a pointing direction of the LIDAR. The controller is further configured to cause the LIDAR to scan a field-of-view (FOV) of the environment. The controller may determine a three-dimensional (3D) representation of the environment based on data from scanning the FOV.Type: ApplicationFiled: July 2, 2021Publication date: October 28, 2021Inventors: Pierre-yves Droz, Gaetan Pennecot, Anthony Levandowski, Drew Eugene Ulrich, Zach Morriss, Luke Wachter, Dorel Ionut Iordache, William McCann, Daniel Gruver, Bernard Fidric, Samuel William Lenius
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Publication number: 20210278503Abstract: A vehicle is provided that includes one or more wheels positioned at a bottom side of the vehicle. The vehicle also includes a first light detection and ranging device (LIDAR) positioned at a top side of the vehicle opposite to the bottom side. The first LIDAR is configured to scan an environment around the vehicle based on rotation of the first LIDAR about an axis. The first LIDAR has a first resolution. The vehicle also includes a second LIDAR configured to scan a field-of-view of the environment that extends away from the vehicle along a viewing direction of the second LIDAR. The second LIDAR has a second resolution. The vehicle also includes a controller configured to operate the vehicle based on the scans of the environment by the first LIDAR and the second LIDAR.Type: ApplicationFiled: March 8, 2021Publication date: September 9, 2021Inventors: Gaetan Pennecot, Zachary Morriss, Samuel Lenius, Dorel lonut lordache, Daniel Gruver, Pierre-Yves Droz, Luke Wachter, Drew Ulrich, William McCann, Rahim Pardhan, Bernard Fidric, Anthony Levandowski, Peter Avram
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Publication number: 20210226401Abstract: The present disclosure relates to a fiber encapsulation mechanism for energy dissipation in a fiber amplifying system. One example embodiment includes an optical fiber amplifier. The optical fiber amplifier includes an optical fiber that includes a gain medium, as well as a polymer layer that at least partially surrounds the optical fiber. The polymer layer is optically transparent. In addition, the optical fiber amplifier includes a pump source. Optical pumping by the pump source amplifies optical signals in the optical fiber and generates excess heat and excess photons. The optical fiber amplifier additionally includes a heatsink layer disposed adjacent to the polymer layer. The heatsink layer conducts the excess heat away from the optical fiber. Further, the optical fiber amplifier includes an optically transparent layer disposed adjacent to the polymer layer. The optically transparent layer transmits the excess photons away from the optical fiber.Type: ApplicationFiled: April 1, 2021Publication date: July 22, 2021Inventors: Bernard Fidric, Daniel Rosenfeld, Rahim Pardhan
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Publication number: 20210208506Abstract: Systems and methods described herein relate to the manufacture of optical elements and optical systems. An example method includes overlaying a first mask on a photoresist material and a substrate, and causing a light source to illuminate the photoresist material through the first mask during a first exposure so as to define a first feature. During the first exposure, the light source is positioned at a non-normal angle with respect to a plane parallel to the substrate. The method includes developing the photoresist material so as to retain an elongate portion of the photoresist material on the substrate. A first end of the elongate portion includes an angled portion that is sloped at an angle with respect to a long axis of the elongate portion. The method also includes depositing a reflective material through a second mask onto the angled portion.Type: ApplicationFiled: March 1, 2021Publication date: July 8, 2021Inventors: Bernard Fidric, Pierre-Yves Droz, David Hutchison
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Patent number: 11054505Abstract: Systems and methods are described that relate to a light detection and ranging (LIDAR) device. The LIDAR device includes a fiber laser configured to emit light within a wavelength range, a scanning portion configured to direct the emitted light in a reciprocating manner about a first axis, and a plurality of detectors configured to sense light within the wavelength range. The device additionally includes a controller configured to receive target information, which may be indicative of an object, a position, a location, or an angle range. In response to receiving the target information, the controller may cause the rotational mount to rotate so as to adjust a pointing direction of the LIDAR. The controller is further configured to cause the LIDAR to scan a field-of-view (FOV) of the environment. The controller may determine a three-dimensional (3D) representation of the environment based on data from scanning the FOV.Type: GrantFiled: January 26, 2018Date of Patent: July 6, 2021Assignee: Waymo LLCInventors: Pierre-yves Droz, Gaetan Pennecot, Anthony Levandowski, Drew Eugene Ulrich, Zach Morriss, Luke Wachter, Dorel Ionut Iordache, William McCann, Daniel Gruver, Bernard Fidric, Samuel William Lenius
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Publication number: 20210165097Abstract: An example method involves rotating a sensor that emits light pulses and detects reflections of the emitted light pulses based on a pointing direction of the sensor. The method also involves identifying a range of pointing directions of the sensor that are associated with a target region of an environment. The method also involves determining whether a current pointing direction of the sensor is within the identified range. The method also involves modulating the emitted light pulses according to a first modulation scheme in response to a determination that the current pointing direction is within the identified range. The method also involves modulating the emitted light pulses according to a second modulation scheme in response to a determination that the current pointing direction is outside the identified range. The second modulation scheme is different than the first modulation scheme.Type: ApplicationFiled: February 8, 2021Publication date: June 3, 2021Inventors: Pierre-Yves Droz, Bernard Fidric
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Patent number: 10992096Abstract: The present disclosure relates to a fiber encapsulation mechanism for energy dissipation in a fiber amplifying system. One example embodiment includes an optical fiber amplifier. The optical fiber amplifier includes an optical fiber that includes a gain medium, as well as a polymer layer that at least partially surrounds the optical fiber. The polymer layer is optically transparent. In addition, the optical fiber amplifier includes a pump source. Optical pumping by the pump source amplifies optical signals in the optical fiber and generates excess heat and excess photons. The optical fiber amplifier additionally includes a heatsink layer disposed adjacent to the polymer layer. The heatsink layer conducts the excess heat away from the optical fiber. Further, the optical fiber amplifier includes an optically transparent layer disposed adjacent to the polymer layer. The optically transparent layer transmits the excess photons away from the optical fiber.Type: GrantFiled: May 7, 2018Date of Patent: April 27, 2021Assignee: Waymo LLCInventors: Bernard Fidric, Daniel Rosenfeld, Rahim Pardhan
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Patent number: 10976437Abstract: A vehicle is provided that includes one or more wheels positioned at a bottom side of the vehicle. The vehicle also includes a first light detection and ranging device (LIDAR) positioned at a top side of the vehicle opposite to the bottom side. The first LIDAR is configured to scan an environment around the vehicle based on rotation of the first LIDAR about an axis. The first LIDAR has a first resolution. The vehicle also includes a second LIDAR configured to scan a field-of-view of the environment that extends away from the vehicle along a viewing direction of the second LIDAR. The second LIDAR has a second resolution. The vehicle also includes a controller configured to operate the vehicle based on the scans of the environment by the first LIDAR and the second LIDAR.Type: GrantFiled: September 26, 2017Date of Patent: April 13, 2021Assignee: Waymo LLCInventors: Gaetan Pennecot, Zachary Morriss, Samuel Lenius, Dorel Ionut Iordache, Daniel Gruver, Pierre-Yves Droz, Luke Wachter, Drew Ulrich, William Mccann, Rahim Pardhan, Bernard Fidric, Anthony Levandowski, Peter Avram
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Patent number: 10962883Abstract: Systems and methods described herein relate to the manufacture of optical elements and optical systems. An example method includes overlaying a first mask on a photoresist material and a substrate, and causing a light source to illuminate the photoresist material through the first mask during a first exposure so as to define a first feature. During the first exposure, the light source is positioned at a non-normal angle with respect to a plane parallel to the substrate. The method includes developing the photoresist material so as to retain an elongate portion of the photoresist material on the substrate. A first end of the elongate portion includes an angled portion that is sloped at an angle with respect to a long axis of the elongate portion. The method also includes depositing a reflective material through a second mask onto the angled portion.Type: GrantFiled: November 15, 2019Date of Patent: March 30, 2021Assignee: Waymo LLCInventors: Bernard Fidric, Pierre-yves Droz, David Hutchison
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Patent number: 10942272Abstract: An example method involves rotating a sensor that emits light pulses and detects reflections of the emitted light pulses based on a pointing direction of the sensor. The method also involves identifying a range of pointing directions of the sensor that are associated with a target region of an environment. The method also involves determining whether a current pointing direction of the sensor is within the identified range. The method also involves modulating the emitted light pulses according to a first modulation scheme in response to a determination that the current pointing direction is within the identified range. The method also involves modulating the emitted light pulses according to a second modulation scheme in response to a determination that the current pointing direction is outside the identified range. The second modulation scheme is different than the first modulation scheme.Type: GrantFiled: December 13, 2016Date of Patent: March 9, 2021Assignee: Waymo LLCInventors: Pierre-Yves Droz, Bernard Fidric
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Patent number: 10693272Abstract: The present disclosure relates to a fiber encapsulation mechanism for energy dissipation in a fiber amplifying system. One example embodiment includes an optical fiber amplifier. The optical fiber amplifier includes an optical fiber that includes a gain medium, as well as a polymer layer that at least partially surrounds the optical fiber. The polymer layer is optically transparent. In addition, the optical fiber amplifier includes a pump source. Optical pumping by the pump source amplifies optical signals in the optical fiber and generates excess heat and excess photons. The optical fiber amplifier additionally includes a heatsink layer disposed adjacent to the polymer layer. The heatsink layer conducts the excess heat away from the optical fiber. Further, the optical fiber amplifier includes an optically transparent layer disposed adjacent to the polymer layer. The optically transparent layer transmits the excess photons away from the optical fiber.Type: GrantFiled: August 31, 2017Date of Patent: June 23, 2020Assignee: Waymo LLCInventors: Bernard Fidric, Daniel Rosenfeld, Rahim Pardhan
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Publication number: 20200081349Abstract: Systems and methods described herein relate to the manufacture of optical elements and optical systems. An example method includes overlaying a first mask on a photoresist material and a substrate, and causing a light source to illuminate the photoresist material through the first mask during a first exposure so as to define a first feature. During the first exposure, the light source is positioned at a non-normal angle with respect to a plane parallel to the substrate. The method includes developing the photoresist material so as to retain an elongate portion of the photoresist material on the substrate. A first end of the elongate portion includes an angled portion that is sloped at an angle with respect to a long axis of the elongate portion. The method also includes depositing a reflective material through a second mask onto the angled portion.Type: ApplicationFiled: November 15, 2019Publication date: March 12, 2020Inventors: Bernard Fidric, Pierre-yves Droz, David Hutchison
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Patent number: 10503071Abstract: Systems and methods described herein relate to the manufacture of optical elements and optical systems. An example method includes overlaying a first mask on a photoresist material and a substrate, and causing a light source to illuminate the photoresist material through the first mask during a first exposure so as to define a first feature. During the first exposure, the light source is positioned at a non-normal angle with respect to a plane parallel to the substrate. The method includes developing the photoresist material so as to retain an elongate portion of the photoresist material on the substrate. A first end of the elongate portion includes an angled portion that is sloped at an angle with respect to a long axis of the elongate portion. The method also includes depositing a reflective material through a second mask onto the angled portion.Type: GrantFiled: October 26, 2017Date of Patent: December 10, 2019Assignee: Waymo LLCInventors: Bernard Fidric, Pierre-yves Droz, David Hutchison
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Publication number: 20190317503Abstract: Described herein is a LIDAR device that may include a transmitter, first and second receivers, and a rotating platform. The transmitter may be configured to emit light having a vertical beam width. The first receiver may be configured to detect light at a first resolution while scanning the environment with a first FOV and the second receiver may be configured to detect light at a second resolution while scanning the environment with a second FOV. In this arrangement, the first resolution may be higher than the second resolution, the first FOV may be at least partially different from the second FOV, and the vertical beam width may encompass at least a vertical extent of the first and second FOVs. Further, the rotating platform may be configured to rotate about an axis such that the transmitter and first and second receivers each move based on the rotation.Type: ApplicationFiled: June 26, 2019Publication date: October 17, 2019Inventors: Pierre-Yves Droz, Caner Onal, William McCann, Bernard Fidric, Vadim Gutnik, Laila Mattos, Rahim Pardhan
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Patent number: RE48961Abstract: A vehicle is provided that includes one or more wheels positioned at a bottom side of the vehicle. The vehicle also includes a first light detection and ranging device (LIDAR) positioned at a top side of the vehicle opposite to the bottom side. The first LIDAR is configured to scan an environment around the vehicle based on rotation of the first LIDAR about an axis. The first LIDAR has a first resolution. The vehicle also includes a second LIDAR configured to scan a field-of-view of the environment that extends away from the vehicle along a viewing direction of the second LIDAR. The second LIDAR has a second resolution. The vehicle also includes a controller configured to operate the vehicle based on the scans of the environment by the first LIDAR and the second LIDAR.Type: GrantFiled: October 31, 2017Date of Patent: March 8, 2022Assignee: Waymo LLCInventors: Daniel Gruver, Pierre-Yves Droz, Gaetan Pennecot, Anthony Levandowski, Drew Eugene Ulrich, Zachary Morriss, Luke Wachter, Dorel Ionut Iordache, Rahim Pardhan, William McCann, Bernard Fidric, Samuel William Lenius, Peter Avram