Since 65438+ 10/7, major airlines have announced the opening of mobile phones, and passengers only need to turn on the mobile phone flight mode. Many netizens ridiculed that "the flight mode finally came in handy."
Flight mode refers to the device that can turn off the mobile phone to send and receive cellular mobile signals to avoid the interference of mobile phone signals on aircraft flight. As the flight mode began to be used, who invented it caused controversy.
65438+ 10 18 at noon, Weibo, from China, Qualcomm, said that Qualcomm obtained the patent of "flight mode" in February 2000, and said that although there were few mobile phone applications that could be used when cellular connection was disabled at that time, I believe that with the improvement of mobile phone functions, this invention will be widely used.
However, Qualcomm was "slapped in the face" that night, and Huawei claimed the patent was its own. He Gangfa Weibo, president of Huawei's terminal mobile phone product line, said, "Huawei has a patent granted by China Patent Office on the wireless function of mobile phones, and has published a patent certificate and patent description.