For me paralax-based sensors (in the sense of draw a line with swept laser and look at it with some kind of imager) are the first thing I imagine when hearing "

For me paralax-based sensors (in the sense of draw a line with swept laser and look at it with some kind of imager) are the first thing I imagine when hearing "LIDAR". For a long time most industrial lidar sensors used that principle (the 25k+ ones ten years ago).