介绍了一种多功能、低功耗便携式射频读卡器的设计方法。
The design method of a low power consumption and multifunctional portable RF card reader is introduced.
电子收费系统主要由射频读卡器、激光车型传感器、逃费抓拍装置和车道控制器组成。
The ETC mainly consists of RF reader, laser calssification sensors, video enforcement systems and lane controller.
详细介绍了关于射频IC卡智能系统开发的基本概念，例如射频ic卡以及它的工作状态、相应的读卡器等。
Some concepts used in development of RF-IC intelligent microsystem with a single chip microcomputer, such as RF-IC CARDS, the working states and reading components of them, etc., are first described.
详细介绍了关于射频IC卡智能系统开发的基本概念，例如射频ic卡以及它的工作状态、相应的读卡器等。
Some concepts used in development of RF-IC intelligent microsystem with a single chip microcomputer, such as RF-IC CARDS, the working states and reading components of them, etc., are first described.
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