Patent ID: 11956563
Assignee: BENQ CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A method for identifying video signal source, comprising:
assigning a first identification code to a first transmitter device by a receiver control unit of a receiver device;
transmitting a first video data by the first transmitter device;
combining the first video data and a first identification image corresponding to the first identification code as a first combined video data by the receiver control unit of the receiver device;
outputting the first combined video data to a display device by the receiver control unit of the receiver device; and
assigning a second identification code to a second transmitter device by the receiver control unit of the receiver device, transmitting a second video data by the second transmitter device, combining the second video data and a second identification image corresponding to the second identification code as a second combined video data, combining the first combined video data and the second combined video data as a split screen video data and outputting the split screen video data to the display device by the receiver control unit of the receiver device;
wherein when the first transmitter device transmits the first video data to a second transmission module of the receiver device, the receiver control unit of the receiver device sends a first prompt instruction to request a first indication device of the first transmitter device to show the first identification image;
wherein the source of the first video data is an information processing device, the first transmitter device is connected to the information processing device;
wherein the receiver device, the first transmitter device, and the second transmitter device are portable;
wherein the first video data corresponds to a first video region on a display screen of the display device, a user operation position is provided by a user input device;
wherein whether the user operation position is located in the first video region is determined by the receiver control unit, when it is determined that the user operation position is located in the first video region, the receiver control unit sends a second prompt instruction to the first transmitter device.