Optics: measuring and testing – For optical fiber or waveguide inspection
Patent
1998-07-09
2000-09-12
Evans, F. L.
Optics: measuring and testing
For optical fiber or waveguide inspection
25022714, 25022716, 356416, 356417, 356419, G01C 351, G01N 2164, G01N 2147
Patent
active
061185213
ABSTRACT:
Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced apart from a source fiber optic and receive light from the surface of the object/tooth being measured. Light from the perimeter fiber optics pass to a variety of filters. The system utilizes the perimeter receiver fiber optics to determine information regarding the height and angle of the probe with respect to the object/tooth being measured. Under processor control, the optical characteristics measurement may be made at a predetermined height and angle. Various color spectral photometer arrangements are disclosed. Translucency, fluorescence, gloss and/or surface texture data also may be obtained. Audio feedback may be provided to guide operator use of the system. The probe may have a removable or shielded tip for contamination prevention. A method of producing dental prostheses based on measured data also is disclosed. Measured data also may be stored and/or organized as part of a patient data base. Such methods and implements may be desirably utilized for purposes of detecting and preventing counterfeiting or the like.
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Jung Russell W
Jung Wayne D.
Loudermilk Alan R.
Evans F. L.
LJ Laboratories L.L.C.
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