Patent ID: 9639491
Date: 2017-05-02
CPC Classifications: G06F

Claim:
1. A connection interface switching device for multiple portable devices, capable of providing a communication channel for an I/O peripheral set for a plurality of portable devices bundled with a default control program, and switching among the portable devices to establish a communication channel selected between the portable devices and the I/O peripheral set according to a switch instruction generated by the portable device through the default control program, and the connection interface switching device comprising: a plurality of I/O ports, for connecting each portable device to the corresponding I/O port through a single I/O connection wire; a controller, coupled to the I/O ports, for receiving a signal transmitted by the currently selected I/O port, acknowledging the switch instruction, and switching the currently selected I/O port to another I/O port to provide the communication channel to a corresponding portable device coupled to the other I/O port; a memory module, coupled to the controller, for providing a buffer space required by the controller during the operation of the communication channel; a storage module, coupled to the controller, for storing an identification rule and a switching rule which are provided for the controller to switch the I/O ports; and an I/O peripheral port, for connecting at least one external control device and at least one external display device to the communication channel.