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SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, AND NON-CONTACT TYPE IC CARD AND PROTABLE INFORMATION TERMINAL USING THE SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

机译：半导体集成电路装置，以及使用该半导体集成电路装置的非接触式IC卡和实用信息终端

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摘要

The present invention provides a semiconductor integrated circuit device and a non-contact type IC card and a portable information terminal which uses the semiconductor integrated circuit device. The semiconductor integrated circuit device includes antenna terminals LA, LB which are connected to an antenna L1, a power source circuit B5 which has a rectifier/smoothing circuit B1 which obtains a DC voltage by rectifying and smoothing an AC signal which is supplied to the antenna terminal from the antenna and a shunt regulator B6 and a series regulator B7 which stabilize the DC voltage, and an internal circuit B8 which is operated upon the supply of the DC voltage from the power source circuit. The series regulator operates and the shunt regulator stops in a stage that a signal is transmitted to a reader/writer. The shunt regulator operates and the series regulator stops in a stage other than the stage that the signal is transmitted to the reader/writer.

机译：本发明提供一种半导体集成电路器件，非接触型IC卡以及使用该半导体集成电路器件的便携式信息终端。该半导体集成电路器件包括连接到天线L 1 的天线端子LA，LB，以及具有整流/平滑电路B 5 。 > 1 ，它通过整流和平滑从天线和分路调节器B 6 和串联调节器B 7提供给天线端子的交流信号来获得直流电压。和稳定内部电路B 8 ，该内部电路B 8 在从电源电路提供直流电压时工作。在信号传输到读取器/写入器的阶段，串联稳压器工作，并联稳压器停止工作。并联稳压器工作，并且串联稳压器在信号传输到读取器/写入器的阶段之外的其他阶段停止。 展开▼

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公开/公告号US2009264163A1

专利类型

公开/公告日2009-10-22

原文格式PDF

申请/专利权人 KAZUKI WATANABE;KAZUHIRO MATSUSHITA;MASARU KUBOTA;
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申请/专利号US20090396852

发明设计人 KAZUKI WATANABE;KAZUHIRO MATSUSHITA;MASARU KUBOTA;
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申请日2009-03-03

分类号H04B1/38;

国家 US

入库时间 2022-08-21 19:35:44

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