Method of controlling mobile terminal on external device basis and external device operating system using the same

Abstract

A method of controlling a mobile terminal on an external device basis and an external device operation system using the same are provided. The system includes a connector for connecting an external device, a switch for determining a type of the external device connected to the connector and switching according to the type thereof, a transceiver to be connected, if the external device is an external device which requires a high speed data transmission, to the external device according to switching of the switch, and a USB switch to be connected, if the external device is an external device which does not require a high speed data transmission, to the external device according to switching of the switch.

1 . A method of controlling a mobile terminal on an external device basis, the method comprising:
 connecting an external device to the mobile terminal;   determining a type of the connected external device; and   switching, if the connected external device is an external device which requires a high speed data transmission, to connect a transceiver to the external device.   
     
     
         2 . The method of  claim 1 , wherein the determining of the type of the connected external device comprises determining whether the external device is a monitor. 
     
     
         3 . The method of  claim 1 , further comprising:
 receiving at least one of a video signal received by a broadcasting reception module, a video signal input by a camera unit, and a video signal stored in a storage unit; and   transmitting at least one of the received video signals to the external device through the transceiver IC.   
     
     
         4 . The method of  claim 3 , wherein the transmitting of at least one of the received video signals comprises transmitting at least one of the received video signals to a monitor connected to the connector using a high speed switch for switching in a non-compression state. 
     
     
         5 . The method of  claim 1 , further comprising:
 switching, if the external device is an external device which does not require a high speed data transmission, to connect a Universal Serial Bus (USB) switch to the external device.   
     
     
         6 . The method of  claim 5 , wherein the determining of the type of the connected external device comprises one of an earphone connection for outputting an audio signal of the mobile terminal, a charger connection for charging electric power to a power source unit of the mobile terminal, and a notebook computer or an external memory unit connection for transmitting and receiving data to and from the mobile terminal. 
     
     
         7 . The method of  claim 1 , wherein the determining of the type of the connected external device comprises receiving a plurality of reference values corresponding to external devices, and receiving a signal output from an Identification (ID) port activated according to the connected external device, further wherein the signal output from the ID port, which has a specific resistance value, and the reference values are compared to determine the type of connected external device. 
     
     
         8 . The method of  claim 7 , further comprising:
 determining that the connected external device is a specific device when the specific resistance value is substantially the same as one of the plurality of reference values corresponding to the specific device.   
     
     
         9 . The method of  claim 1 , wherein the determining of the type of the connected external device comprises receiving a first signal from a first signal port by a short circuit for short-circuiting, and receiving a second signal from a second signal port provided in the connected external device, further wherein the first signal and the second signal are compared to determine the type of connected external device. 
     
     
         10 . The method of  claim 9 , further comprising:
 determining that the connected external device is a specific device when the first signal is substantially the same as the second signal which is corresponds to the specific device.   
     
     
         11 . An external device operating system of a mobile terminal, the system comprising:
 a connector for connecting an external device;   a switch for determining a type of the external device connected to the connector and for switching according to the type thereof;   a transceiver to be connected, if the external device is an external device which requires a high speed data transmission, to the external device according to switching of the switch; and   a USB switch to be connected, if the external device is an external device which does not require a high speed data transmission, to the external device according to switching of the switch.   
     
     
         12 . The system of  claim 11 , wherein, if the external device is a monitor, the switch switches to connect the transceiver to the external device. 
     
     
         13 . The system of  claim 11 , further comprising:
 at least one of a broadcasting reception module, a camera unit, and a storage unit connected to the transceiver in order to transmit a video signal to the transceiver IC.   
     
     
         14 . The system of  claim 11 , wherein, if the external device is one of an earphone, a charger, a notebook computer, or an external memory unit, the switch switches to connect the USB switch to the external device. 
     
     
         15 . The system of  claim 14 , further comprising:
 at least one of an audio processor for transmitting an audio signal to the earphone, a power source unit for charging using power of the charger, and a storage unit for receiving data from the notebook computer or the external memory unit, or for transmitting data stored in the notebook computer or the external memory unit.   
     
     
         16 . The system of  claim 11 , wherein the switch comprises:
 a switch for switching to at least one of the transceiver and the USB switch IC; and   a high speed switch for outputting at least one of a video signal received by a broadcasting reception module, a video signal input by a camera unit, and a video signal stored in a storage unit in a non-compressed state and at a high speed.   
     
     
         17 . The system of  claim 11 , wherein the connector comprises at least one of a first signal port, a second signal port, a reference voltage port, an ID port, and a ground connection port commonly connected to the external device. 
     
     
         18 . The system of  claim 11 , wherein the switch receives a plurality of reference values corresponding to external devices, and also receives a signal output from an Identification (ID) port activated according to the connected external device, further wherein the signal output from the ID port, which has a specific resistance value, and the reference values are compared to determine the type of connected external device,
 wherein the switch determines that the connected external device is a specific device when the specific resistance value is substantially the same as one of the plurality of reference values corresponding to the specific device.   
     
     
         19 . The system of  claim 11 , wherein the switch receives a first signal from a first signal port by a short circuit for short-circuiting, and receives a second signal from a second signal port provided in the connected external device, further wherein the first signal and the second signal are compared to determine the type of connected external device. 
     
     
         20 . The system of  claim 19 , wherein the switch determines that the connected external device is a specific device when the first signal is substantially the same as the second signal which corresponds to the specific device.