| 发明名称 |
HANDHELD VISION TESTER AND CALIBRATION THEREOF |
| 摘要 |
In one aspect, there is provided an embodiment of a calibration system for use with a vision tester having a display. In this particular embodiment, the calibration system comprises a calibration stand and a reflective surface. The calibration stand is configured to hold the vision tester. The reflective surface is coupled to the calibration stand and is oriented substantially parallel to the display. The calibration stand is configured to hold the display of the vision tester at a fixed distance from the reflective surface. |
| 申请公布号 |
US2015223680(A1) |
申请公布日期 |
2015.08.13 |
| 申请号 |
US201514690110 |
申请日期 |
2015.04.17 |
| 申请人 |
VITAL ART AND SCIENCE, LLC |
发明人 |
Bartlett Mike;Krenik William R.;Wang Yi-Zhong |
| 分类号 |
A61B3/032;H04N5/351;A61B3/00 |
主分类号 |
A61B3/032 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A calibration system for use with a vision tester having a display, comprising:
a calibration stand configured to hold said vision tester; and a reflective surface coupled to said calibration stand and oriented substantially parallel to said display, said stand configured to hold said display at a fixed distance from said reflective surface. |
| 地址 |
Richardson TX US |
