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US Patent 10386467 Ladar pulse deconfliction apparatus

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Contents

Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
10386467
Date of Patent
August 20, 2019
Patent Application Number
15896233
Date Filed
February 14, 2018
Patent Citations
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US Patent 10078133 Method and system for ladar transmission with closed loop feedback control of dynamic scan patterns
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US Patent 10042159 Ladar transmitter with optical field splitter/inverter
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US Patent 10073166 Method and system for ladar transmission with spinning polygon mirror for dynamic scan patterns
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US Patent 10007001 Active short-wave infrared four-dimensional camera
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US Patent 10042043 Method and system for ladar transmission employing dynamic scan patterns with macro patterns and base patterns
Patent Citations Received
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US Patent 11493610 Hyper temporal lidar with detection-based adaptive shot scheduling
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US Patent 11500093 Hyper temporal lidar using multiple matched filters to determine target obliquity
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US Patent 12078798 Ladar transmitter with ellipsoidal reimager
0
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US Patent 11460552 Hyper temporal lidar with dynamic control of variable energy laser source
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US Patent 11460556 Hyper temporal lidar with shot scheduling for variable amplitude scan mirror
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US Patent 11467263 Hyper temporal lidar with controllable variable laser seed energy
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US Patent 11474212 Hyper temporal lidar with dynamic laser control and shot order simulation
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US Patent 11474214 Hyper temporal lidar with controllable pulse bursts to resolve angle to target
...
Patent Primary Examiner
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Mark Hellner
Patent abstract

Disclosed herein are a number of example embodiments that employ controllable delays between successive ladar pulses in order to discriminate between “own” ladar pulse reflections and “interfering” ladar pulses reflections by a receiver. Example embodiments include designs where a sparse delay sum circuit is used at the receiver and where a funnel filter is used at the receiver. Also, disclosed are techniques for selecting codes to use for the controllable delays as well as techniques for identifying and tracking interfering ladar pulses and their corresponding delay codes. The use of a ladar system with pulse deconfliction is also disclosed as part of an optical data communication system.

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