Alibaba Group Holding Limited
System and method for wireless screen projection

Abstract:

One embodiment provides a computer system (e.g., a client computing device) for facilitating screen projection, the first computer system comprising a processor and a memory coupled to the processor and storing instructions, which when executed by the processor cause the processor to perform a method, the method comprising: detecting a sound signal associated with a secondary display system, wherein the sound signal includes a passcode; extracting the passcode from the sound signal; processing the passcode; and transmitting data displayed on the computer system to the secondary display system, thereby allowing information displayed on the computer system to be displayed on the secondary display system.