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公开(公告)号:US4905186A
公开(公告)日:1990-02-27
申请号:US382054
申请日:1989-07-13
申请人: Takao Fukui
发明人: Takao Fukui
CPC分类号: G07F7/00 , G06F15/025 , G06F3/0227 , G06Q20/10
摘要: A portable data terminal unit includes a data RAM for storing transaction data, and an acoustic coupler for transmitting the data stored in the data RAM to a computer installed in a business office. The portable data terminal unit has a battery for power supply purposes. The acoustic coupler is connected to the battery at a desired time for data transmission purposes. The data RAM is continuously connected to the battery for maintaining the transaction data stored in the data RAM. The present portable data terminal unit is suited for money collecting operations related to the insurance business and the installment savings business.
摘要翻译: 便携式数据终端单元包括用于存储交易数据的数据RAM,以及用于将存储在数据RAM中的数据发送到安装在商务办公室中的计算机的声耦合器。 便携式数据终端单元具有用于供电目的的电池。 声学耦合器在所需的时间连接到电池用于数据传输目的。 数据RAM连续地连接到电池,用于维持存储在数据RAM中的交易数据。 本便携式数据终端单元适用于与保险业务和分期存款业务相关的收款操作。