It is mentioned in the patent abstract that "this application provides an anticorrosion method for terminals and C-type interfaces, which is used to reduce the probability of electrochemical corrosion between CC pin and other pins in C-type interfaces."
The core of Huawei's Type-C interface anti-corrosion patent lies in the cooperation between processor and motion sensor. Wherein the motion sensor is used for monitoring the motion state of the terminal; The processor determines the level mode according to the monitored movement state of the terminal.
According to Huawei's patent abstract, the working logic of the processor in Huawei's Type-C is that the control interface chip configures the CC pin of the first Type-C interface to a low-level mode when determining that the motion state of the terminal changes from a motion state to a static state, which can reduce the effective level of the CC pin and further reduce the probability of electrochemical corrosion between the CC pin and other pins.
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