Methods and apparatus for object detection and identification in a multiple detector lidar array
JE Retterath, RA Laumeyer - US Patent 9,360,554, 2016 - Google Patents
LiDAR (light detection and ranging) systems use one or more emitters and a detector array
to cover a given field of view where the emitters each emit a single pulse or a multi-pulse …
to cover a given field of view where the emitters each emit a single pulse or a multi-pulse …
Methods and apparatus for array based LiDAR systems with reduced interference
JE Retterath, RA Laumeyer - US Patent 10,203,399, 2019 - Google Patents
An array-based light detection and ranging (LiDAR) unit includes an array of emitter/detector
sets configured to cover a field of view for the unit. Each emitter/detector set emits and …
sets configured to cover a field of view for the unit. Each emitter/detector set emits and …
Methods and apparatus for increased precision and improved range in a multiple detector LiDAR array
JE Retterath, RA Laumeyer - US Patent 10,036,801, 2018 - Google Patents
Methods, systems, and computer program products for acquiring three-dimensional LiDAR
information of a scene are disclosed. According to one aspect, acquiring three-dimensional …
information of a scene are disclosed. According to one aspect, acquiring three-dimensional …
Optical pulse transmitter
YP Gusev, M Hertzman, E Vanin, C Grässer - US Patent 9,160,140, 2015 - Google Patents
The art of Surveying, or range finding, involves the deter mination of unknown positions,
Surfaces or Volumes of objects using measurements of angles and distances. The …
Surfaces or Volumes of objects using measurements of angles and distances. The …
Distributed lidar systems
R Zhang, J Li, Y Li, Y Li, J Bao - US Patent 11,422,234, 2022 - Google Patents
In accordance with some embodiments, a light detection and ranging (LiDAR) system
comprise: a control system housing; a first LiDAR head housing separate and distinct from …
comprise: a control system housing; a first LiDAR head housing separate and distinct from …
Methods and apparatus for an active pulsed 4D camera for image acquisition and analysis
JE Retterath - US Patent 9,866,816, 2018 - Google Patents
An active-pulsed four-dimensional camera system that utilizes a precisely-controlled light
source produces spatial information and human-viewed or computer-analyzed images. The …
source produces spatial information and human-viewed or computer-analyzed images. The …
Methods and apparatus for object detection and identification in a multiple detector lidar array
JE Retterath, RA Laumeyer - US Patent 10,585,175, 2020 - Google Patents
LilXAR (light detection and ranging) systems use one or more emitters and a detector array
to cover a given field of view where the emitters each emit a single pulse or a multi-pulse …
to cover a given field of view where the emitters each emit a single pulse or a multi-pulse …
Pulsed bias current for gain switched semiconductor lasers for amplified spontaneous emission reduction
TS McComb, D McCal - US Patent 9,853,411, 2017 - Google Patents
Gain switched laser diode pulses are used as seed pulses for optical pulse generation. ASE
is reduced by applying a prebias to the laser diodes at an amplitude less than that …
is reduced by applying a prebias to the laser diodes at an amplitude less than that …
Vehicle display system for low visibility objects and adverse environmental conditions
JE Retterath - US Patent 10,298,908, 2019 - Google Patents
A display system for use in a vehicle is disclosed including a camera configured to capture
frames corresponding to a field of view. The camera is in communication with a processing …
frames corresponding to a field of view. The camera is in communication with a processing …
Methods and apparatus for a lighting-invariant image sensor for automated object detection and vision systems
JE Retterath - US Patent 10,382,742, 2019 - Google Patents
An active camera system images successive frames of a scene utilizing an array of detectors
configured to produce a response having a linear relationship to a number of incident …
configured to produce a response having a linear relationship to a number of incident …