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A display including an input unit and a data display channel command interface (DDC/CI) based microprocessor is provided. A host having a DDC/CI based microcontroller is also provided. The DDC/CI microprocessor is programmed so that when a specific operation is performed on the input unit, the specific operation is converted into a host-switching signal by the microprocessor. The host-switching signal is received by the microcontroller via a DDC/CI based data line connecting the display and the host under DDC/CI protocol and converted into a host-switching request by the microcontroller for requesting the host to be switched on or off.

Titel:	COMPUTER SYSTEM COMPLYING WITH DDC/CI PROTOCOL
Autor/in / Beteiligte Person:	ZHOU, YAN-LI
Link:	View record in USPTO Patent Applications (Volltext)
Veröffentlichung:	2011
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Applications Sprachen: English Document Number: 20110260979 Publication Date: October 27, 2011 Appl. No: 12/779042 Application Filed: May 12, 2010 Assignees: HON HAI PRECISION INDUSTRY CO., LTD. (Tu-Cheng, TW), HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD (Shenzhen City, CN) Claim: 1. A computer system comprising: a display; a host; and a data display channel command interface (DDC/CI) based data line; the display being connected to the host through the data line and comprising an input unit and a DDC/CI based microprocessor; the input unit being configured for receiving user inputs; the microprocessor being configured for converting the user inputs into a host-switching signal; the host comprising a power supply unit, a DDC/CI based microcontroller, and a central processing unit (CPU); the power supply unit being configured for supplying power for the microcontroller and the CPU when the host is connected to an external power supply but not turned on, the microcontroller being configured for receiving the host-switching signal through data line and sending a host-switching request to the CPU once the host-switching signal is received; the CPU being configured for sending a host-switching command to the power source to switch on and off the host based upon the received host-switching request. Claim: 2. The computer system of claim 1, wherein the display comprises a frame and a display panel framed by the frame. Claim: 3. The computer system of claim 2, wherein the input unit comprises a keypad. Claim: 4. The computer system of claim 3, wherein the input unit comprises a display power button, the microprocessor being configured for converts a specific operation on the display power button by users into the host-switching signal. Claim: 5. The computer system of claim 4, wherein the specific operation is pressing and releasing the display power button for a specific period. Claim: 6. The computer system of claim 4, wherein the specific operation is pressing and releasing the display power button and quickly twice. Claim: 7. The computer system of claim 1, wherein the power supply unit comprises a voltage converter, the voltage converter being configured for converting voltage of the external power supply into a rated voltage of the microcontroller and the CPU. Claim: 8. The computer system of claim 1, wherein the microcontroller and the CPU are working in a standby mode in which a rated voltage and power of the microcontroller and the CPU are low. Claim: 9. The computer system of claim 1, wherein the microcontroller comprises a baseboard management controller. Claim: 10. The computer system of claim 1, wherein the microcontroller is connected the CPU via a system management bus. Claim: 11. The computer system of claim 1, wherein the display and the host each comprise a data interface, the data line interconnecting the data interfaces. Claim: 12. The computer system of claim 11, wherein the data interfaces are selected from the group consisting of a video graphics interface, a digital visual interface, and a high-definition multimedia interface. Claim: 13. The computer system of claim 1, wherein the display comprises an indicator, the indicator being connected to the microprocessor and configured for indicating on/off state of the display and the host. Claim: 14. The computer system of claim 13, wherein the indicator comprising a first color light emitting diode (LED), a second color LED, and a third color LED; when both the display and the host are off, the LEDs are off; when only the display is on, the first color LED is on; when only the host is on, the second color LED is on; when both the display and the host are on, the third color LED is on. Claim: 15. The computer system of claim 1, wherein the host comprises a host power button; the host power button being connected to the microcontroller and configured for sending the host-switching signal to the microcontroller when pressed. Current U.S. Class: 345/168 Current International Class: 06; 09

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COMPUTER SYSTEM COMPLYING WITH DDC/CI PROTOCOL