Multiple-apparatus connection system and the method thereof
AssigneeMediatek Inc.
InventorsTung-Yi Wang, Meng-Feng Lin, Chih-Yuan Hsu, Shih-Kuan Chang
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Abstract
The present invention is a multiple-apparatus connection system; the multiple-apparatus connection system comprises a USB port, a controller, and a voltage determining device. The USB port connects to a peripheral device. The voltage determining device connects to the USB port to generate a detection voltage signal. The controller receives the detection voltage signal and determines the type of the connected peripheral device according to the detection voltage signal.
Claims20
A multiple-apparatus connection system comprising:
- a USB port for connecting a peripheral device;
- at least one voltage determining device connected to the USB port for generating a detection voltage signal when the peripheral device is connected to the USB port;
- and
- a controller for receiving the detection voltage signal and determining the type of the connected peripheral device according to the detection voltage signal.
A multiple-apparatus connection method comprising the steps of:
- connecting a peripheral device to a USB port;
- connecting a voltage determining device to the USB port to generate a detection voltage signal when the peripheral device is connected to the USB port;
- receiving the detection voltage signal, and
- determining the type of the peripheral device according to the detection voltage signal.
The connection method of 15, wherein the microphone further comprises a switch connecting to the microphone wire and the ground wire, and the detection voltage signal is a third voltage when the switch is turned on.
The connection method of 12, wherein the peripheral device is a serial port to USB port converting wire, the converting wire comprising:
- a transmitting wire to be connected to the first data pin of the USB port;
- a receiving port to be connected to the second data pin of the USB port;
- and
- a ground wire to be connected to the ground pin of the USB port;
- wherein the detection voltage signal is the first voltage when the converting wire is connected to the USB port.
The connection method of 12, wherein the peripheral device is a USB peripheral device which supports the USB communication protocol, the USB peripheral device comprising:
- a first wire to be connected to the first data pin of the USB port;
- a second wire to be connected to the second data pin of the USB port;
- a third wire to be connected to the third data pin of the USB port;
- a power supply wire to be connected to the power supply pin of the USB port;
- and
- a ground wire to be connected to the ground pin of the USB port;
- wherein the detection voltage signal is a fifth voltage when the USB peripheral device is connected to the USB port.
Dependencies are inferred from the claim text.