Light ranging device with electronically scanned emitter array and synchronized sensor array
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United States of America Patent
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Oct 15, 2019
Grant Date -
Jan 10, 2019
app pub date -
Jul 5, 2018
filing date -
Jul 5, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Embodiments describe a solid state electronic scanning LIDAR system that includes a scanning focal plane transmitting element and a scanning focal plane receiving element whose operations are synchronized so that the firing sequence of an emitter array in the transmitting element corresponds to a capturing sequence of a photosensor array in the receiving element. During operation, the emitter array can sequentially fire one or more light emitters into a scene and the reflected light can be received by a corresponding set of one or more photosensors through an aperture layer positioned in front of the photosensors. Each light emitter can correspond with an aperture in the aperture layer, and each aperture can correspond to a photosensor in the receiving element such that each light emitter corresponds with a specific photosensor in the receiving element.
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International Classification(s)
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- B81B:MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-ME....
- G01S:RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMI....
- H01S:DEVICES USING STIMULATED EMISSION
- G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....
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