发明名称 |
MODULAR FOCUS SYSTEM FOR IMAGE BASED CODE READERS (AS AMENDED) |
摘要 |
A modular focus system for image based code readers includes swappable lens attachments enables fixed focus, manual focus, and variable focus operation from a single reader. A manual focus lens cap includes a manually adjustable focus ring to change the focus of the reader. A variable focus lens module includes a liquid lens that is manipulated by a voltage delivered via a pair of electrodes to adjust the focus of the reader. The lens attachments can be swapped out and replaced as needed.
|
申请公布号 |
US2010176319(A1) |
申请公布日期 |
2010.07.15 |
申请号 |
US20090352109 |
申请日期 |
2009.01.12 |
申请人 |
COGNEX CORPORATION |
发明人 |
NUNNINK LAURENS;REUTER RICHARD |
分类号 |
G06K7/10;G02B3/12;G02B15/00 |
主分类号 |
G06K7/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|