The card reader system is also available without a keypad.
没有键盘读卡系统仍可使用。
Consumers will be able to pay for sandwiches, drinks and train tickets by placing their phones close to a reader similar to the Oyster card system on the London Underground.
届时，消费者们购买三明治、饮料和火车票时，只要将他们的手机靠近一个类似应用于伦敦地铁的“牡蛎卡”(Oyster card)系统的读取器，就可以付款。
Firstly, design of the whole system Project and the option of card, information stock and the design of card reader, the encryption and certification of card.
首先提出了校园一卡通系统的总体方案设计。提出了卡的选择，卡上信息的存储、读卡器的设计、卡的加密和认证。
The exposure is stored such that, when the card is presented to a reader, the detection data is transmitted to the reader for appropriate processing by the system.
存储该暴露，从而当对阅读器提供该卡时，将检测数据传送到阅读器以由系统进行适当处理。
Furthermore, this article analyses the security and stability of the system by the research of the IC smart card reader and writer system.
并针对整个IC射频卡读写设备从系统安全性、保密性和稳定性的角度进行了分析和研究。
Additionally, to analyse the influence on the Wireless IC smart card reader and writer system exerted by hardware circumstance, and to discuss the reliability of the antenna design.
分析了硬件环境对IC射频读写系统的影响，讨论了天线可靠性设计。
The lock output relay requires only one output for each card reader to grant access to the tailgate system and unlock the door.
锁定输出继电器要求每个读卡器只能向挡板系统输出一个出入信号且打开大门。
The lock output relay requires only one output for each card reader to grant access to the tailgate system and unlock the door.
锁定输出继电器要求每个读卡器只能向挡板系统输出一个出入信号且打开大门。
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