公开(公告)号：US09814548B2

公开(公告)日：2017-11-14

申请号：US15322940

申请日：2016-04-05

申请人： KOREA PHOTONICS TECHNOLOGY INSTITUTE

发明人： Joo Beom Eom ,  Jaesung Ahn ,  Byeong Il Lee ,  In Hee Shin ,  Anjin Park ,  Byeong Ha Lee

IPC分类号： A61C9/00 ,  G01B11/25 ,  A61B5/00 ,  A61B1/00 ,  A61B1/247

CPC分类号： A61C9/006 ,  A61B1/00172 ,  A61B1/0019 ,  A61B1/247 ,  A61B5/0062 ,  A61B5/0088 ,  A61C9/0066 ,  A61C9/008 ,  G01B11/25 ,  G01B11/2518

摘要： The present invention relates to a three-dimensional oral cavity scan device for a digital impression that obtains a three-dimensional image by processing a two-dimensional image acquired by photographing a three-dimensional subject in an oral cavity. The device includes: a pattern mask converting parallel light incident thereto into structured light; a piezoelectric plate where a mechanical vibration is generated on a surface thereof by an AC voltage applied thereto; and a power supply unit applying the AC voltage to the piezoelectric plate, wherein the piezoelectric plate moves the pattern mask in a longitudinal direction of the piezoelectric plate by using the mechanical vibration. The device can reduce noise and vibration by moving the pattern mask with an electrical method. In addition, the device can accurately measure depth of teeth by electrically controlling a focal length of structured light projected on the teeth.

公开(公告)号：US09686484B2

公开(公告)日：2017-06-20

申请号：US14400356

申请日：2014-09-02

申请人： KOREA PHOTONICS TECHNOLOGY INSTITUTE

发明人： Byeong Il Lee ,  In Hee Shin ,  Jae Seok Park ,  Joo Beom Eom ,  Hyung Ju Park ,  Seok Ki Kim

IPC分类号： G01N21/64 ,  A61B5/00 ,  H04N5/33 ,  H04N5/232 ,  H04N9/31

CPC分类号： H04N5/332 ,  A61B5/0033 ,  A61B5/0059 ,  A61B5/0071 ,  A61B5/7225 ,  A61B5/7445 ,  G01N21/6456 ,  G01N2201/06113 ,  G01N2201/062 ,  G01N2201/125 ,  H04N5/23293 ,  H04N9/3179

摘要： Provided is an apparatus for acquiring and projecting a broadband image. The apparatus includes a probe unit provided with a white light source unit configured to emit white light for acquiring a visible light image to a subject, a fluorescence excitation light source unit configured to emit fluorescence excitation light for acquiring an invisible light fluorescence image, an image acquisition unit configured to receive an invisible light fluorescence image signal for the subject, and an image projection unit configured to project an image onto the subject; and an image processing unit configured to process an image received from the image acquisition unit. This apparatus may simultaneously acquire and display the visible light image and the invisible light fluorescence image.