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1. 发明授权

US5496992A Dual trigger multiplexed data entry terminal 失效
标题翻译：双触发复用数据输入端子
公开(公告)号：US5496992A
公开(公告)日：1996-03-05
申请号：US262967
申请日：1994-06-21
申请人： Esteban C. Madan , Randolph R. Beebe , Teresa H. Stanfield
发明人： Esteban C. Madan , Randolph R. Beebe , Teresa H. Stanfield
IPC分类号： G06K7/10
CPC分类号： G06K7/10881
摘要： A hand held data entry terminal that, upon initialization of a data entry program downloaded from a host computer, is capable of capturing product data, through either a terminal scanner or a data entry keypad, at locations remote from the host computer. A data entry program is downloaded to a battery-powered data entry terminal from a central host computer via an RF data transceiver located in the terminal. If the terminal scanner is functional and the product contains the necessary coded representations of data, the scanner may be enabled, through a first trigger located on a terminal handle, to scan the coded representations of data. Alternatively, the terminal operator may enter alpha/numeric product data through the terminal keypad. The data entry program contains a stack of key definition tables for the terminal keypad, allowing the terminal to be designed with a minimum number of data entry keys and a terminal display of maximum size. If the keypad mode of data entry is used, the terminal operator may scroll through the alternate key definition tables by using certain command keys, or via a second trigger located on the terminal handle, to select the proper key definition table for a particular mode of data entry or to select a particular data entry command. Regardless of the mode of data entry used, the data entered into the terminal is stored in a buffer at the terminal. Once all data has been entered into the buffer, the processor, upon receiving a SEND command, sends the data to the host computer via the terminal RF transceiver.
摘要翻译：一种手持式数据输入终端，在从主计算机下载的数据输入程序初始化时，能够通过终端扫描器或数据输入键盘在远离主计算机的位置捕获产品数据。数据输入程序经由位于终端中的RF数据收发器从中央主机计算机下载到电池供电的数据输入终端。如果终端扫描仪功能并且产品包含数据的必要编码表示，则可以通过位于终端手柄上的第一触发来使扫描器扫描数据的编码表示。或者，终端操作员可以通过终端键盘输入字母/数字产品数据。数据录入程序包含一组用于终端键盘的键定义表，允许终端设计有最少数量的数据输入键和最大尺寸的终端显示。如果使用数据输入的键盘模式，则终端操作者可以通过使用某些命令键或经由位于终端句柄上的第二触发器来滚动替代键定义表，以选择适当的键定义表，数据输入或选择特定的数据输入命令。不管使用的数据输入方式如何，输入终端的数据都存储在终端的缓冲区中。一旦所有数据都输入到缓冲器中，处理器在收到SEND命令后，经由终端RF收发器将数据发送到主计算机。

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