Data sending, reception and interaction methods, sending and reception terminals and communication system
A data transmission method and technology of a transmission terminal, applied in the field of communication, can solve the problems of large power consumption, flow consumption, and radiation, and achieve the effect of improving satisfaction and reducing radiation.
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Embodiment 1
[0045] In order to better understand the present invention, this embodiment first briefly describes ultrasonic waves. The definition of ultrasound is: sound waves are the form of sound propagation, produced by the vibration of objects (sound sources). The frequency of sound waves that can be heard by the human ear is generally between 20 Hz and 20,000 Hz.
[0046] Classified by frequency, sound waves with a frequency lower than 20 Hz are called infrasonic waves; sound waves with a frequency of 20 Hz to 20 kHz are called audible waves; sound waves with a frequency of 20 kHz to 1 GHz are called ultrasonic waves;
[0047] Ultrasound refers to the vibration frequency greater than 20kHz, which exceeds the general upper limit of human hearing (20kHz). The wavelength of ultrasound is very short, only a few centimeters, or even a few thousandths of a millimeter. Because the wavelength of ultrasonic waves is very short, it can propagate in a straight line in a homogeneous medium and h...
Embodiment 2
[0067] For the data sending method provided in this embodiment, please refer to Figure 7 shown, including:
[0068] Step 702: the sending terminal obtains the data to be sent; the data to be sent here includes the web page data (including data in the web page text, URL information, web page title, etc.), bookmarks and historical records of the sending terminal browser and / or the local sending terminal data (including various text data, picture data and even audio and video data, etc.).
[0069] Step 702: The sending terminal performs ultrasonic encoding on the data to be sent to obtain an ultrasonic audio signal; Manchester encoding can be used for encoding, but is not limited to this encoding method; other encoding methods that can achieve the same function are also applicable;
[0070] Step 703: The sending terminal sends the ultrasonic audio signal to the receiving terminal through its ultrasonic transmitting module.
[0071] The ultrasonic transmitting module in this em...
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