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1. 发明授权

US06877661B2 Scannable barcode display and methods for using the same 失效
标题翻译：可扫描条形码显示及使用方法
公开(公告)号：US06877661B2
公开(公告)日：2005-04-12
申请号：US09932827
申请日：2001-08-16
申请人： Richard M. Webb , David W. White , Omead Amidi , James Ryan Miller , Timothy Dobbler
发明人： Richard M. Webb , David W. White , Omead Amidi , James Ryan Miller , Timothy Dobbler
IPC分类号： G06K7/10 , G06K19/06
CPC分类号： G06K7/1095 , G06K7/10702 , G06K19/06028
摘要： A system and method for implementing a wireless data transmission scheme through the use of a display capable of displaying symbolic information, a data acquisition device capable of identifying and capturing said displayed information and a mitigation device adapted to allow the data acquisition device to capture the symbolic information. The symbolic information may be a barcode displayed on an LCD outputting linearly polarized light. The data acquisition device may be a laser scanner, and the mitigation device may be a quarter wave retarder located between the display and the scanner. A larger system may utilize this wireless system or a different front end in a more generalized backend information transfer system. The backend system may include a centralized data center adapted to be used with retail couponing, ticketing, digital receipts, or a plurality of other information systems in which data is used separately from its storage location.
摘要翻译：一种用于通过使用能够显示符号信息的显示器来实现无线数据传输方案的系统和方法，能够识别和捕获所述显示的信息的数据获取装置和适于允许数据采集装置捕获符号信息的缓解装置信息。符号信息可以是在输出线偏振光的LCD上显示的条形码。数据采集装置可以是激光扫描器，并且缓解装置可以是位于显示器和扫描仪之间的四分之一波长延迟器。较大的系统可以在更广义的后端信息传送系统中利用该无线系统或不同的前端。后端系统可以包括适于与零售优惠券，票务，数字收据或其中与其存储位置分开使用数据的多个其他信息系统一起使用的集中式数据中心。

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