Projection module, depth camera and method for adjusting focal length of projection module
A projection module and focal length technology, applied in the optical and electronic fields, can solve the problem that the projection module cannot be satisfied, and achieve the effect of simple operation
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[0041] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. Attached below by reference Figure 1-7 The described embodiments are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.
[0042] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or...
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