81 patents
Utility
Adjusting receiver characteristics in view of weather conditions
16 Jan 24
In one embodiment, a method for dynamically varying receiver characteristics in a lidar system includes emitting light pulses by a light source in a lidar system.
Joseph G. LaChapelle, Matthew D. Weed, Scott R. Campbell, Jason M. Eichenholz, Austin K. Russell, Lane A. Martin
Filed: 8 Apr 19
Utility
Ultrasonic vibrations on a window in a lidar system
19 Dec 23
To clear the line-of-sight (LOS) on a window in a lidar system within a vehicle, ultrasonic transducers are physically attached to the interior surface of the window to remove debris.
John E. McWhirter
Filed: 7 May 21
Utility
Lidar system with high-resolution scan pattern
12 Dec 23
In one embodiment, a lidar system includes a light source configured to emit pulses of light and a scanner configured to scan the emitted pulses of light along a high-resolution scan pattern located within a field of regard of the lidar system.
Istvan Peter Burbank, Matthew D. Weed, Jason Paul Wojack, Jason M. Eichenholz, Dmytro Trofymov
Filed: 24 Nov 21
Utility
Frequency Chirp for Lidar for High-velocity Targets
7 Dec 23
A device includes a controller with a processor and memory with instructions for controlling power to a light source such that the light source emits a frequency-modulated continuous light beam that, over time, includes an up region, a down region, and a flat region.
Daniel J. Klemme, Pierre Asselin, Zoran Jandric
Filed: 21 Aug 23
Utility
Compact Galvanometer Mirror Design
23 Nov 23
Implementations described and claimed herein provide a mechanically-scanning 3-dimensional light detection and ranging (3D LiDAR) system including a galvo mirror attached to an armature of a galvanometer to reflect a light signal generated by a light generator, the galvanometer comprising at least one permanent magnet, at least one coil configured to carry current to move the armature, wherein the galvo mirror is configured to reflect the light signal generated by the light generator towards a one or more objects and the galvo mirror is further configured to reflect light signal reflected from the one or more objects towards a light detector.
Daniel Aaron MOHR, Kevin A. GOMEZ
Filed: 31 Jul 23
Utility
Dual-wavelength Lidar System with Coincidence Detection and Pulse Encoding
9 Nov 23
A lidar system comprises one or more light sources, detectors, and processors.
Alex M. Sincore, Justin R. Woodruff
Filed: 4 May 22
Utility
Unidirectional, Asymmetric, E-skid, Waveguide Grating Antenna
9 Nov 23
A waveguide grating antenna apparatus includes a substrate layer, a lower waveguide array layer upon the substrate, and an upper waveguide array layer positioned above the lower waveguide array layer.
Aditya JAIN, Li-Yuan CHIANG
Filed: 21 Jul 23
Utility
Method for dynamically controlling laser power
31 Oct 23
To dynamically control power in a lidar system, a controller identifies a triggering event and provides a control signal to a light source in the lidar system adjusting the power of light pulses provided by the light source.
Austin K. Russell, Jason M. Eichenholz, Laurance S. Lingvay
Filed: 26 May 22
Utility
Lidar System with Polygon Mirror
19 Oct 23
A lidar system includes one or more light sources configured to generate a first beam of light and a second beam of light, a scanner configured to scan the first and second beams of light across a field of regard of the lidar system, and a receiver configured to detect the first beam of light and the second beam of light scattered by one or more remote targets.
Jason M. Eichenholz, Scott R. Campbell, John E. McWhirter, Matthew D. Weed, Lane A. Martin
Filed: 26 Jan 23
Utility
Lane Detection and Tracking Techniques for Imaging Systems
19 Oct 23
A system for detecting boundaries of lanes on a road is presented.
Pranav Maheshwari, Vahid R. Ramezani, Ismail El Houcheimi, Benjamin Englard
Filed: 23 Jun 23
Utility
Map Data Co-registration and Localization System and Method
19 Oct 23
Embodiments of architecture, systems, and methods used to provide map data, sensor data, and asset signature data including location data, depth data, and positional data for a terrestrially mobile entity, location and positional data for pseudo-fixed assets and dynamic assets relative to the terrestrially mobile entity via a combination of aerial sensor data and terrestrial data.
Scott Harvey, Sravan Puttagunta
Filed: 23 Mar 20
Utility
Amplifier input protection circuits
3 Oct 23
Amplifier input protection circuits are described.
Stephen D. Gaalema, Robert D. Still
Filed: 8 Feb 19
Utility
Frequency chirp for lidar for high-velocity targets
12 Sep 23
A device includes a controller with a processor and memory with instructions for controlling power to a light source such that the light source emits a frequency-modulated continuous light beam that, over time, includes an up region, a down region, and a flat region.
Daniel J. Klemme, Pierre Asselin, Zoran Jandric
Filed: 5 Mar 20
Utility
Generating Environmental Parameters Based on Sensor Data Using Machine Learning
10 Aug 23
First training sensor data detected by a plurality of real-world sensors are obtained.
Dmytro Trofymov, Pranav Maheshwari, Vahi R. Ramezani
Filed: 12 Apr 23
Utility
Lidar Window Blockage Detection
3 Aug 23
A system comprises a light source, a scanner, a first detector, a second detector, and a processor.
Stephen L. Mielke, Aseem D. Patil
Filed: 1 Feb 22
Utility
Lidar Window Blockage Detection
3 Aug 23
A system comprises a light source, a scanner, a first detector, a second detector, and a processor.
Stephen L. Mielke, Aseem D. Patil
Filed: 13 Jan 23
Utility
Compact galvanometer mirror design
1 Aug 23
Implementations described and claimed herein provide a mechanically-scanning 3-dimensional light detection and ranging (3D LiDAR) system including a galvo mirror assembly, wherein the galvo mirror assembly includes a mirror attached to an armature of a galvanometer to reflect a light signal generated by a light generator and received from a target, at least one permanent magnet, and at least one coil configured to carry a current to move the armature.
Daniel Aaron Mohr, Kevin A. Gomez
Filed: 10 Sep 20
Utility
LiDAR systems and methods
25 Jul 23
The technology disclosed herein includes a system having a light source configured to generate a laser signal, an optical signal splitter circuit configured to split the laser signal into a first laser signal for transmission to a plurality of targets and a second laser signal, an optical signal scanner configured to transmit the first laser signal to the plurality of targets, two or more optical delay lines configured to receive the second laser signal, wherein each of the two or more optical delay lines adds a predetermined time delay to the second laser signal to generate a delayed second laser signal, and a detector configured to receive a reflected laser signal from the plurality of targets, wherein the reflected laser signal includes a reflection of the first laser signal from the plurality of targets, and the delayed second laser signal.
Daniel Joseph Klemme, Pierre Asselin
Filed: 30 Jun 20
Utility
Unidirectional, asymmetric, e-skid, waveguide grating antenna
25 Jul 23
A waveguide grating antenna apparatus includes a substrate layer, an asymmetric waveguide array layer upon the substrate layer, and a waveguide grating array layer formed above the asymmetric waveguide array layer.
Aditya Jain, Li-Yuan Chiang
Filed: 22 Feb 22
Utility
Lidar System with Angle of Incidence Determination
13 Jul 23
In one embodiment, a lidar system includes a light source, a receiver, and a controller.
Matthew Hansen, Matthew D. Weed, Joseph G. LaChapelle
Filed: 11 Jan 23