Patent ID: 9591286
Date: 2017-03-07
CPC Classifications: A61B,A61C,G02B,H04N

Claim:
1. A 3D imaging apparatus, comprising: a housing; an image sensor within the housing; a first mirror and a second mirror each within the housing, the first and second mirrors positioned to receive an image from an object external to the housing and provide the image to the image sensor; an aperture element having a plurality of apertures, located along an optical path between the object and the image sensor, for providing the image along a plurality of optical channels corresponding with the apertures to the image sensor; a lens positioned within each of the optical channels between the aperture element and the image sensor; and a holder within the housing for holding the first mirror, the aperture element, and the lens for each of the optical channels, wherein the holder is located adjacent the image sensor, wherein the image sensor is positioned substantially parallel to an object plane of the object, wherein a depth of field of the apparatus includes the housing, wherein the apparatus is configured to be placed directly on the object to be imaged for intra-oral scanning.