A communication method and device between a terminal and an external device

A technology for external devices and terminals, which is applied in the field of communication and can solve problems such as lack of versatility, inability to connect external USB slave interfaces, and inconsistent interfaces.
CN103200006BActive Publication Date: 2015-11-04FEITIAN TECHNOLOGIES
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
FEITIAN TECHNOLOGIES
Publication Date
2015-11-04

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Abstract

The invention discloses a communication method and a communication device between a terminal and external equipment. The communication method comprises the following steps: the terminal converts transmission data and outputs the conversion result to the external equipment, returned analog signals are collected and converted into response data to obtain the data content of the response data, the current response data of a cache area with the data content of the converted response data are combined, the current response data is updated through the combination result, and whether the current response data pass verification is judged; if the current response data pass verification, the process is finished, otherwise the current response data are stored in the cache area; and whether the current collection condition meets a preset condition is judged, if the current collection condition meets the preset condition, the collection continues, otherwise error information is returned, and the process is finished.
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Description

technical field

[0001] The present invention relates to the communication field, in particular to a communication method and device between a terminal and an external device. Background technique

[0002] In order to ensure the security of user information, security authentication is often required. At present, the communication methods between smart phones and tablet computers and external devices are divided into wired communication and wireless communication, wherein wired communication uses external interfaces on smart phones and tablet computers to connect with external devices. For smartphones and tablet computers, basically there are audio ports, that is, headphone ports, but other interfaces are not uniform. For example, smartphones using the iOS operating system have a DOCK port, but smartphones using the Android operating system There is no DOCK port, but a USB slave interface, but the USB slave interface cannot be connected to an external slave device. Therefore...

Claims

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