Patent ID: 9344134
Filing Date: 2016-05-17
CPC Classification: H02J,H04B,H04M

Claim Text:
1. A processing method for mobile terminal, comprising: a mobile terminal determining, when the mobile terminal detects that an external device is plugged in, the type of the external device according to logic levels of internal data signal lines in the mobile terminal, wherein the type comprises a charger and a Universal Serial Bus (USB) host device; and according to the determined type of the external device, the mobile terminal charging or transmitting data; wherein the mobile terminal determining the type of the external device according to logic levels of internal data signal lines of the mobile terminal comprises: a baseband chip of the mobile terminal reading the logic levels of the internal data signal lines; the mobile terminal determining that the type of the external device is an USB host device under condition that logic level of a positive signal line in the internal data signal lines is low and logic level of a negative signal line in the internal data signal lines is low; and the mobile terminal determining that the type of the external device is a charger under condition that logic level of the positive signal line is high and logic level of the negative signal line is low.