LENS, STRUCTURED LIGHT PROJECTION DEVICE AND 3D MEASUREMENT DEVICE
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United States of America Patent
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Issued Date -
Jun 29, 2023
app pub date -
Oct 20, 2022
filing date -
Dec 29, 2021
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Abstract
A lens including a first lens group, second lens group, and third lens group arranged sequentially from a magnified side to a reduced side is provided. The first lens group has a first optical axis, the second lens group has a second optical axis, the third lens group has a third optical axis, and the third optical axis is overlapped with a primary optical axis of the lens. The first lens group and the second lens group are adapted to be rotated in opposite directions so that the first optical axis and the second optical axis are adapted to incline relative to the primary optical axis. The first lens group is also adapted to shift towards a first side and a second side of the primary optical axis. A structured light projection device with the lens and a 3D measurement device with the lens are also provided.
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