发明名称 |
COLOR ANALYZING APPARATUS WITH POLARIZED LIGHT SOURCE |
摘要 |
A light analyzer with a first light source configured and disposed for irradiating with a first light an object disposed at an object location. A second light source is configured and disposed for irradiating the object with a second light that is preferably polarized along a first axis. A light receiving element is configured and disposed for receivi ng the first and second light reflected from the object and comprising a sensing device that is configured for sensing and producing an image corresponding to the reflected light. The lig ht receiving element preferably comprises a polarizing filter configured for polarizing t he reflected second light along a second axis at an angle to the first axis for reducing glare and reflection.
|
申请公布号 |
CA2388286(A1) |
申请公布日期 |
2002.12.01 |
申请号 |
CA20022388286 |
申请日期 |
2002.05.30 |
申请人 |
IVOCLAR VIVADENT AG |
发明人 |
KERSCHBAUMER, HARALD;PYE, GRAHAM;ROHNER, GOTTFRIED;POKORNY, WALTER |
分类号 |
A61C19/00;G01J3/46;G01N21/25;G01N21/84;(IPC1-7):G01N21/25 |
主分类号 |
A61C19/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|