NASA NTRS · 19830000017
Focal-Plane-Array Optical Proximity Sensors
Abstract
Objects detected at beam axis intersections. Group of light sources or detectors is mounted in box at focal plane of lens. Box can therefore illuminate or view several axes, each corresponding to source or detector of group. Proximity sensing system developed to trigger braking system of automatically controlled car.
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Johnston, A. R.. 1983-08-01. Focal-Plane-Array Optical Proximity Sensors. https://ntrs.nasa.gov/citations/19830000017
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