A. 条形码知识培训以及扫描原理V1.ppt

光点尺寸 *仅供技术培训专用 Made by Carlos Wang 光点尺寸 理想中的激光线形状 但并不是实际的形状! *仅供技术培训专用 Made by Carlos Wang 光点尺寸 理想中的激光线形状 但并不是实际的形状! 激光线实际形状！ *仅供技术培训专用 Made by Carlos Wang 光点尺寸 激光线实际形状！ 焦点位置 景深 (DOF) *仅供技术培训专用 Made by Carlos Wang 问题！ 激光点可能一直在污点上，造成无法读码 单线扫描器 *仅供技术培训专用 Made by Carlos Wang 多线扫描器 多线扫描器 *仅供技术培训专用 Made by Carlos Wang 摆动镜 *仅供技术培训专用 Made by Carlos Wang 高速扫描，意味着可以扫描更多次。 扫描速度与运动速度不相匹配. 扫描次数不够意味着整体性能欠佳。 高速扫描 扫描器的安装 倾斜 10 - 15 °安装，避免反光 *仅供技术培训专用 Made by Carlos Wang 选择读码器 线性速度- m/sec 条码类型 条码方向 整个条码的尺寸 条码宽度 (分辨率) 最大最小距离(景深) 条码位置 M/sec Min. Dist Max. Dist DOF *仅供技术培训专用 Made by Carlos Wang 阅读角度 *仅供技术培训专用 Made by Carlos Wang Datalogic Industry Automation 中国 浦东南路, 1289号 上海– 中国 Tel. +86 213 – Fax 86 21E-mail carlos.wang@ The Datalogic name and logo are registered trademarks of Datalogic S.p.A. in EU, USA and many other countries. All rights reserved. This document, and any attachment hereto, contains confidential and/or privileged information belonging to Datalogic Automation S.r.l. and/or its affiliates. You are hereby notified that any disclosure, copy, distribution or the taking of any action based on the contents of this information is strictly prohibited. 谢 谢 * * * * Thank You! This presentation contains statements that are neither reported financial results nor other historical information. These statements are forward-looking statements. These forward-looking statements rely on a number of assumptions and are subject to a number of risks and uncertainties, many of which are outside the control of Datalogic S.p.A., that could cause actual results to differ materially from those expressed in or implied by such statements, such as future market conditions, currency fluctuations, the behavior of other market participants and the actions of governmental and state regulators. ? 2012 Datalogic S.p.A. - All rights reserved. ? Protected to the fullest extent under U.S. and international laws. ? Copying, or altering of this document is p