Method and system for transmitting information through light
A technology for transmitting information and light, applied in the field of systems that use light to transmit information, can solve problems such as inconvenient use, inconvenience, easy omission or loss, etc., and achieve the effect of improving security
Inactive Publication Date: 2017-07-21
BEIJING LAKU NETWORK TECH
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Problems solved by technology
[0002] There are many ways to transmit information in the current society, but they are generally realized by relying on public networks. When the network signal is not good or even there is no network, it is necessary to rely on some specially set equipment to achieve information transmission, such as the most common Smart locks, including smart parking locks, smart door locks and car locks, etc., all require a corresponding remote control to develop and send special unlocking information. There are too many of these special devices, and it is inconvenient to use, and it is easy to miss or Lost, once lost, it is more inconvenient to unlock, in this regard, there is still room for improvement
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Embodiment Construction
[0022] Embodiment of the present invention: a method of transmitting information by using light, such as figure 1 shown, including the following steps:
[0023] S1, the first processor performs the national standard encryption algorithm, encrypts the input signal, and controls the flashlight, indicator light or screen of the smartphone. Here, the flashlight is taken as an example, and it sends out light signals with different light intensities, wavelengths or flashing intervals, forming a group Some flickering light signals with an interval of 1 / 500 second are added to the long bright light signal, for example, 1 / 250, 1 / 125, 1 / 80, 1 / 20 second can be used for flashing; what needs to be explained is that the embodiment of the present invention The flash interval can be further shortened with the development of flash equipment. In actual use, the interval can be adjusted according to the application occasion. For example, in an environment with people, it is necessary to consider...
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The invention discloses a method and system for transmitting information through light. The method comprises the following steps: a first processor performs encryption operation on an input signal, and controls a light source device to send different light signals; a signal receiving device receives the light signals, converts the light signals into electronic signals and sends the electronic signals to a second processor; and the second processor decrypts the electronic signals according to a pre-stored decryption rule to obtain electronic signals corresponding to the input signal. According to the method and system disclosed by the invention, information transmission with a local device is realized by flare light with encrypted information sent by commonly used equipment, for example, a flashlight, an indicator lamp or a screen of a smart phone, no special equipment or public network is required, the information transmission is carried out by using the light signals and depending on an encryption algorithm, and the light information emitted at every time is different from others, therefore the security of the information transmission is greatly improved.
Description
technical field [0001] The invention relates to a method for transmitting information by using light and a system for transmitting information by using light, belonging to the field of communication. Background technique [0002] There are many ways to transmit information in the current society, but they are generally realized by relying on public networks. When the network signal is not good or even there is no network, it is necessary to rely on some specially set equipment to achieve information transmission, such as the most common Smart locks, including smart parking locks, smart door locks and car locks, etc., all require a corresponding remote control to develop and send special unlocking information. There are too many of these special devices, and it is inconvenient to use, and it is easy to miss or Lost, once lost, it is even more inconvenient to unlock. In this regard, there is still room for improvement. Contents of the invention [0003] The purpose of the p...
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IPC IPC(8): H04B10/116H04L29/06
CPCH04B10/116H04L63/0428
Inventor 龚华超
Owner BEIJING LAKU NETWORK TECH