# US10557939B2 revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Patent: [US10557939B2](/patents/luminar-lidar-snr-solar-noise-2020.md)

## Recorded posture

- First recorded event: 2020-02-11
- Last material change: 2020-02-11
- Material event count: 1
- Editorial event count: 0

## Material events (1)

- **2020-02-11**: created (source: {"url": "https://patents.google.com/patent/US10557939B2/en", "title": "US10557939B2 Lidar system with improved signal-to-noise ratio in the presence of solar background noise (Luminar Technologies; granted Feb 11, 2020; priority 2015)", "sourceName": "Google Patents"}) (verified)

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /patents/luminar-lidar-snr-solar-noise-2020/history. HTML: [/patents/luminar-lidar-snr-solar-noise-2020/history](/patents/luminar-lidar-snr-solar-noise-2020/history)._