US Patent Application 18249921. Emulated Card Switching Method, Electronic Device, and Communication System simplified abstract

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Emulated Card Switching Method, Electronic Device, and Communication System

Organization Name

Huawei Technologies Co., Ltd.==Inventor(s)==

[[Category:Xiuping Zhang of Dongguan (CN)]]

[[Category:Haitao Yi of Shenzhen (CN)]]

[[Category:Guohui Ji of Dongguan (CN)]]

[[Category:Shuxin Zhu of Dongguan (CN)]]

[[Category:Yong Xiong of Dongguan (CN)]]

Emulated Card Switching Method, Electronic Device, and Communication System - A simplified explanation of the abstract

This abstract first appeared for US patent application 18249921 titled 'Emulated Card Switching Method, Electronic Device, and Communication System

Simplified Explanation

This patent application describes a method, device, and system for emulating card switching in electronic devices using near field communication (NFC) technology.

  • The method involves sending initial information to an NFC card reader, which determines a protocol based on the information and the supported protocol of the card reader.
  • If no identification information is obtained, the protocol information of the emulated card is modified to different information.
  • The modified information is then sent to the NFC card reader, which determines a new protocol based on the modified information and its supported protocol.
  • A service process is performed with the electronic device using the new protocol.
  • If identification information is obtained, the emulated card is switched to a different emulated card that corresponds to the identification information.


Original Abstract Submitted

An emulated card switching method, electronic device, and communication system are provided. The method includes sending first information to an near field communication (NFC) card reader which determines a first protocol based on the first information and a protocol supported by the NFC card reader, and performs a service process of the first protocol with the electronic device, if no identification information is obtained, modifying protocol information of a first emulated card from the first information to second information, sending the second information to the NFC card reader which obtains the second information from the electronic device, determines a second protocol based on the second information and the protocol supported by the NFC card reader, and performs a service process of the second protocol with the electronic device, and if identification information is obtained, switching the first emulated card to a second emulated card corresponding to the identification information.

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