CN103248416A - Information transmission method and device - Google Patents
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- CN103248416A CN103248416A CN2013101441242A CN201310144124A CN103248416A CN 103248416 A CN103248416 A CN 103248416A CN 2013101441242 A CN2013101441242 A CN 2013101441242A CN 201310144124 A CN201310144124 A CN 201310144124A CN 103248416 A CN103248416 A CN 103248416A
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Abstract
The invention discloses an information transmission method and device, and belongs to the technical field of computers. The information transmission method comprises the steps that a first terminal acquires information to be transmitted, and acquires the code of the information to be transmitted in a target coded format; the first terminal determines a color sequence used for emitting optical signals according to a stored corresponding relation between a code word and a color as well as a code word sequence in the code; and the first terminal emits optical signals of various colors to a second terminal according to the sequence of various colors in the color sequence used for emitting the optical signals. With the adoption of the information transmission method and device, the efficiency of information transmission through the optical signals between the terminals can be improved.
Description
Technical field
The present invention relates to field of computer technology, particularly a kind of method and apparatus of information transmission.
Background technology
Along with the development of mobile communication technology, portable terminals such as mobile phone are more and more universal in daily life, and means of communication is also more and more abundanter simultaneously.Yet, under the situation of some radio signal relatively poor (even radnos), for example the network coverage of mobile operator such as remote mountain areas or remote corner less than the place, people utilize mobile phone to communicate and will be affected, and can't carry out the information transmission by mobile phone.
In order to address this problem, the general solution that adopts is, by the LED(Light Emitting Diode of mobile phone, light-emitting diode) lamp or screen emission visible light, and carry out the reception of signal by camera or other photoinduction device, thereby realization information transmission.In message transmitting procedure, every kind of code word is all represented by different guide numbers, uses the free time interval that surpasses default duration between adjacent code word.
In realizing process of the present invention, the inventor finds that there is following problem at least in above-mentioned technology:
In the above-mentioned technology, every kind of code word all needs to represent by different guide numbers, needs repeatedly flash of light can transmit a code word, and needs to have long time interval between the code word, and information transmission efficiency is comparatively low.
Summary of the invention
In order to solve the problem of above-mentioned technology, the embodiment of the invention provides a kind of method and apparatus of information transmission, to improve information transmission efficiency.Described technical scheme is as follows:
On the one hand, provide a kind of method of information transmission, described method comprises:
First terminal is obtained information to be transmitted, and obtains the coding of described information to be transmitted under the target code form;
Described first terminal is according to the code word of storage and the corresponding relation of color, and the codeword sequence in the described coding, is identified for the colour sequential of light signal emission;
Described first terminal is according to the order of described each color of colour sequential for light signal emission, to the light signal of described each color of second terminal emission.
On the other hand, provide a kind of method of information transmission, described method comprises:
Second terminal receives the light signal of first terminal order emission, obtains the color of each light signal, and the reception of the color accordance with optical signal of described each light signal is arranged in colour sequential in proper order;
Described second terminal is according to the code word of storage and the corresponding relation of color, and the colour sequential that is arranged in, and determines corresponding codeword sequence;
Described second terminal is obtained the information of described codeword sequence correspondence.
Again on the one hand, provide a kind of device of information transmission, described device comprises:
Acquisition module is used for obtaining information to be transmitted, and obtains the coding of described information to be transmitted under the target code form;
Determination module is used for according to the code word of storage and the corresponding relation of color, and the codeword sequence in the described coding, is identified for the colour sequential of light signal emission;
Transmitter module is used for the order according to described each color of colour sequential for the light signal emission, to the light signal of described each color of second terminal emission.
Another aspect, the device that provides a kind of information to transmit, described device comprises:
Receiver module be used for to receive the light signal of first terminal order emission, obtains the color of each light signal, and the reception of the color accordance with optical signal of described each light signal is arranged in colour sequential in proper order;
Determination module is used for according to the code word of storage and the corresponding relation of color, and the colour sequential that is arranged in, and determines corresponding codeword sequence;
Acquisition module is for the information of obtaining described codeword sequence correspondence.
Also on the one hand, provide a kind of information system for transmitting, it is characterized in that described system comprises:
First terminal is used for obtaining information to be transmitted, and obtains the coding of described information to be transmitted under the target code form; According to the code word of storage and the corresponding relation of color, and the codeword sequence in the described coding, be identified for the colour sequential that light signal is launched; According to the order of described each color of colour sequential for light signal emission, to the light signal of described each color of second terminal emission;
Second terminal be used for to receive the light signal of first terminal order emission, obtains the color of each light signal, and the reception of the color accordance with optical signal of described each light signal is arranged in colour sequential in proper order; According to the code word of storage and the corresponding relation of color, and the colour sequential that is arranged in, determine corresponding codeword sequence; Obtain the information of described codeword sequence correspondence.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
In the embodiment of the invention, first terminal is obtained the coding of information to be transmitted under the target code form, codeword sequence in the coding is converted to colour sequential, then according to the order of each color in the colour sequential, launch the light signal of each color to second terminal, represent different code words by different glow colors, like this, only need once the luminous code word of just can transmitting, and, do not need to arrange long time interval between the code word, thereby, information transmission efficiency between the terminal can be improved.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of the information transmission that provides of the embodiment of the invention;
Fig. 2 is the method flow diagram of the information transmission that provides of the embodiment of the invention;
What Fig. 3 was that the embodiment of the invention provides is the schematic diagram of colour sequential with code conversion;
What Fig. 4 was that the embodiment of the invention provides is the schematic diagram of colour sequential with code conversion;
Fig. 5 is the schematic diagram of the ciphering process that provides of the embodiment of the invention;
Fig. 6 is the flow chart of the initialization procedure that provides of the embodiment of the invention;
Fig. 7 is the apparatus structure schematic diagram of the information transmission that provides of the embodiment of the invention;
Fig. 8 is the apparatus structure schematic diagram of the information transmission that provides of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment one
The embodiment of the invention provides a kind of method of information transmission, and as shown in Figure 1, the handling process of information transmitting terminal can comprise following step in this method:
Step 101, first terminal is obtained information to be transmitted, and obtains the coding of information to be transmitted under the target code form.
Step 102, first terminal is according to the code word of storage and the corresponding relation of color, and the codeword sequence in the coding that obtains, and is identified for the colour sequential of light signal emission.
Step 103, first terminal is launched the light signal of each color according to the order of each color of colour sequential that is used for the light signal emission to second terminal.
As shown in Figure 2, the handling process of information receiving end can comprise following step in this method:
In the embodiment of the invention, first terminal is obtained the coding of information to be transmitted under the target code form, codeword sequence in the coding is converted to colour sequential, then according to the order of each color in the colour sequential, launch the light signal of each color to second terminal, represent different code words by different glow colors, like this, only need once the luminous code word of just can transmitting, and, do not need to arrange long time interval between the code word, thereby, information transmission efficiency between the terminal can be improved.
Embodiment two
The embodiment of the invention provides a kind of method of information transmission, and this method can be applied to transmission information between two terminals, and two terminals are preferably portable terminals such as mobile phone or panel computer.
Below in conjunction with concrete execution mode, handling process shown in Figure 1 is described in detail, content can be as follows.
Step 101, first terminal is obtained information to be transmitted, and obtains the coding of information to be transmitted under the target code form.Wherein, information to be transmitted can be text message, also can be other data message.
Preferably, the target code form can be Morse sign indicating number form, in the coding of Morse sign indicating number form, can comprise the dot(point), dash(draws) and code word such as blank character, represent character (letter or number) with dot, dash and combination at interval.In embodiments of the present invention, preferred, in Morse sign indicating number form, be provided with the blank character of first quantity between the inner dot of character (letter or number) and the dash, be provided with the blank character of second quantity between the character, first quantity is not equal to second quantity.Preferably, first quantity is less than second quantity, and first quantity can be preferably 2 for being not less than 2 value for 1, the second quantity.As shown in Figure 3, be an example of Morse sign indicating number.
Preferably, the target code form can also be binary format, in binary format, can comprise 0,1 two kind of code word, perhaps, also can comprise 0,1, three kinds of code words of blank character, namely is provided with blank character between the adjacent binary code word.As shown in Figure 4, be an example of binary code.
In this step, if the coded format of information to be transmitted is not the target code form, then can be the coding under the target code form with information translation to be transmitted, if the coded format of information to be transmitted has been the target code form, then not need it is carried out code conversion.
Step 102, first terminal is according to the code word of storage and the corresponding relation of color, and the codeword sequence in the coding that obtains, and is identified for the colour sequential of light signal emission.Wherein, the codeword sequence that can be formed in proper order by a plurality of code words of coding.Colour sequential can be that a plurality of colors are by certain sequence that rearranges in proper order.First terminal can be stored the corresponding relation of identical code word and color in advance with second terminal.
Preferably, if the target code form adopts above-mentioned Morse sign indicating number form, the corresponding relation of Cun Chu code word and color can comprise: corresponding first color of dot, corresponding second color of dash, corresponding the 3rd color of blank character at least so.For the situation that is no more than three kinds of code words (dot, dash, blank character), in order to improve the accuracy of identification of light signal, corresponding color can adopt the color of three color channels: red, green, blue, for example, the corresponding redness of dot, the corresponding green of dash, the corresponding blueness of blank character.Instantiation can be referring to Fig. 3.
Preferably, if the target code form adopts above-mentioned binary format, the corresponding relation of Cun Chu code word and color can comprise: 0 corresponding first color, 1 corresponding second color at least so.For the situation that is provided with blank character between the adjacent binary code word, the code word of storage and the corresponding relation of color can also comprise: corresponding the 3rd color of described blank character.For the situation that is no more than three kinds of code words (0,1, blank character), in order to improve the accuracy of identification of light signal, corresponding color can adopt the color of three color channels: red, green, blue, for example, 0 corresponding red, 1 corresponding green, the corresponding blueness of blank character.Instantiation can be referring to Fig. 4.
When execution in step 102, first terminal can be directly according to the code word of storage and the corresponding relation of color, and the colour sequential of the codeword sequence correspondence in the coding of determining to obtain is as the colour sequential that is used for the light signal emission.
In the embodiment of the invention, in order to improve the information safety of transmission, can adopt multiple cipher mode, provide two kinds of preferred modes below:
Mode one
First terminal basis and the common default corresponding relation Changing Pattern of second terminal are switched the code word of storage and the corresponding relation of color.
In force, first terminal and second terminal can be stored the corresponding relation of multiple code word and color jointly, for example, in first kind of corresponding relation, 0 corresponding first color, 1 corresponding second color, corresponding the 3rd color of blank character, in second kind of corresponding relation, 1 corresponding first color, 0 corresponding second color, corresponding the 3rd color of blank character, in the third corresponding relation, corresponding first color of blank character, 1 corresponding second color, 0 corresponding the 3rd color, etc., can also comprise other kind corresponding relation.In addition, first terminal and second terminal can also be stored default corresponding relation Changing Pattern jointly, the corresponding relation Changing Pattern can arrange arbitrarily according to demand, for example, can use different corresponding relations in the different time periods, perhaps, when the number of times that can transmit data between first terminal and second terminal reaches certain numerical value corresponding relation is once switched, etc.
Mode two
In this encryption mode, the implementation of step 102 can be:
At first, first terminal is determined the colour sequential of the codeword sequence correspondence in the above-mentioned coding that obtains according to the code word of storage and the corresponding relation of color.
Then, first terminal is obtained the Serial No. key, and according to default encryption rule and Serial No. key, each color in the sequence fragment of predeterminated position in the colour sequential of described codeword sequence correspondence is adjusted, will be through the colour sequential after adjusting as the colour sequential that is used for the light signal emission.
Wherein, the Serial No. key can be one group of Serial No. of numeral composition arbitrarily.The Serial No. key can be generated by a terminal in two communication terminals in the communication handshake stage of optical information transmission, and was notified to another terminal.The Serial No. key also can set in advance and be stored in two communication terminals.Preferably, for first terminal and second terminal situation of the contact person's terminal (number that second terminal is arranged in the contacts list of first terminal each other, and the number that first terminal is arranged in the contacts list of second terminal), the relevant information that can all have according to first terminal and second terminal (as, number of two terminals etc.) generates the Serial No. key.
Default encryption rule can be: each color in the sequence fragment (this sequence fragment figure place can be identical with Serial No. key figure place) of predeterminated position (position can comprise start bit and the stop bit of sequence fragment) in each numeral in the Serial No. key and the colour sequential is corresponding, according to numeral corresponding color being carried out variable color handles, the variable color order can be set in the encryption rule, when carrying out the variable color processing, can by the variable color order that arranges the native color transfer pair be answered digital number of times on the basis of native color.For example, variable color is set is " red, green, blue, red, green, blue ... " in proper order, if certain red corresponding numeral is 1 in the colour sequential, then once be green with this red variable color, if corresponding numeral is 2, then be for twice blue with this red variable color, if corresponding numeral is 3, then be for three times red with this red variable color, the rest may be inferred.
Preferably, the sequence fragment of predeterminated position can be to begin once to divide a plurality of sequence fragments that obtain every predetermined figure place from the colour sequential starting point in the colour sequential, and predetermined figure place can be the figure place of Serial No. key.As shown in Figure 5, it is the example of a ciphering process, wherein, the Serial No. key is 1234567890, the colour sequential of the Morse sign indicating number correspondence of SOS is encrypted the colour sequential that obtains after the processing is " green red blue red bluish-green red indigo plant is red blue green red ".
Step 103, first terminal is launched the light signal of each color according to the order of each color of colour sequential that is used for the light signal emission to second terminal.First terminal can be by LED lamp or screen to second terminal emission light signal, at this moment LED lamp or screen can be aimed at the direction of second terminal.
Preferably, when carrying out this step, first terminal is according to the order of each color of colour sequential that is used for the light signal emission, and can be according to default transmission time slot, launch the light signal of each color to second terminal, the duration of launching each light signal is default signal duration.Preferably, the signal duration can be no more than the duration of transmission time slot.
According to default transmission time slot emission light signal, namely light signal of emission in each transmission time slot can begin to launch light signal from the zero hour of time slot, and continues default signal duration.Preferably, default signal duration can equate with the transmission time slot of presetting, and namely do not launch free time between the adjacent light signal.
Below in conjunction with concrete execution mode, handling process shown in Figure 2 is described in detail, content can be as follows.
In force, second terminal is obtained the image of the light signal that includes the emission of first terminal order by camera, the image that a plurality of moment obtain before and after can contrasting, obtain the pixel that color changes between several default colors (default color can be the color that first terminal emission light signal uses), these pixels are the pixel of light signal correspondence, and the color of these pixels is the color of light signal.
Preferably, second terminal receives the light signal of first terminal order emission according to default transmission time slot.Corresponding first terminal is carried out optical signal transmitting by this transmission time slot.Transmission time slot can set in advance and storage jointly in first terminal and second terminal, and perhaps, transmission time slot also can be by the second terminal setting, and be notified to first terminal in the communication handshake stage.Preferably, transmission time slot can arrange according to the filming frequency of second terminal camera, and the filming frequency of camera is the frequency of camera capture video frame, and the transmission time slot number in the per second should not surpass the highest filming frequency of camera.
In embodiments of the present invention, can the position that obtain light signal be arranged, when arranging, can show the image that camera obtains in real time at the screen of second terminal, the user can click the shown position of first terminal at the screen of second terminal, can generate the light signal position during click request is set, this light signal position arranges and carries positional information in the request (this positional information is corresponding with user's click location, can be a regional extent information), after the second terminal receiving optical signals position arranges request, at the light signal that receives the emission of first terminal order and when obtaining the color of each light signal, the process of execution can be: second terminal is obtained the image of the light signal that includes the emission of first terminal order by camera; Second terminal is determined the color of each light signal according to the image in the zone corresponding with above-mentioned positional information in the image that gets access to.In force, can each pixel in the zone in, obtain the pixel that color changes between several default colors, these pixels are the pixel of light signal correspondence, the color of these pixels is the color of light signal.This processing mode can improve the treatment effeciency of the color of obtaining each light signal.
When carrying out this step, first terminal can be directly according to the code word of storing and the corresponding relation of color, determines the codeword sequence of the colour sequential correspondence that is arranged in.
In the embodiment of the invention, in order to improve the information safety of transmission, can adopt multiple encryption measures, the corresponding above-mentioned encryption measures that provides has provided corresponding manner of decryption below:
The manner of decryption of corresponding aforesaid way one
Second terminal basis and the common default corresponding relation Changing Pattern of first terminal are switched the code word of storage and the corresponding relation of color.The handoff procedure of second terminal is identical with first terminal, and particular content can be not repeated at this referring to the detailed description in the mode one.
The manner of decryption of corresponding aforesaid way two
In this manner of decryption, the implementation of step 202 can be:
At first, second terminal is obtained the Serial No. key, and according to default deciphering rule and Serial No. key, each color in the sequence fragment of predeterminated position in the colour sequential that is arranged in is adjusted.
Wherein, the Serial No. key that second terminal is obtained is identical with the Serial No. key that first terminal is obtained, the encryption rule that deciphering rule and first terminal that second terminal is preset preset is corresponding, is based on the inverse process of the ciphering process of encryption rule and Serial No. key based on the decrypting process of deciphering rule and Serial No. key.The process of obtaining the Serial No. key can be referring to mode one, and the deciphering rule can be derived according to the encryption rule in the mode one and be obtained, and decrypting process also can draw according to counter the pushing away of the ciphering process in the mode one, discusses no longer in detail at this.
Then, second terminal is determined the codeword sequence through the colour sequential correspondence after adjusting according to the code word of storage and the corresponding relation of color.
In force, second terminal can be obtained the information of codeword sequence correspondence according to the coded format (corresponding to the target code form in the step 101) of codeword sequence.Can directly obtain the data message of codeword sequence, as binary code.Also can be according to the coded format of codeword sequence, codeword sequence decoded obtains corresponding information, and for example, codeword sequence is the Morse sign indicating number, can decode to it and obtain corresponding characters (letter or number etc.).
In the embodiment of the invention, when carrying out based on the transmission of the information of light signal, can also comprise initialization procedure (communication handshake process) between the terminal, as shown in Figure 6, initialization procedure can may further comprise the steps:
On the one hand, second terminal is according to the light signal emissive porwer of determining in the step 604 and signal duration, and light signal emissive porwer and the signal duration of self being launched light signal arrange.On the other hand, second terminal also is notified to first terminal with light signal emissive porwer and the signal duration of determining in the step 604, makes first terminal also carry out the setting of corresponding light signal emissive porwer and signal duration.
Based on this light signal emissive porwer and signal duration, the processing of first terminal when execution in step 103 can be: light signal emissive porwer and signal duration that first terminal is carried in confirming according to initialization, according to the order of each color of colour sequential that is used for the light signal emission, to the light signal of described each color of second terminal emission.Also namely, first terminal is according to the light signal emissive porwer and the signal duration that receive, and light signal emissive porwer and the signal duration of self being launched light signal arrange.
In the embodiment of the invention, first terminal is obtained the coding of information to be transmitted under the target code form, codeword sequence in the coding is converted to colour sequential, then according to the order of each color in the colour sequential, launch the light signal of each color to second terminal, represent different code words by different glow colors, like this, only need once the luminous code word of just can transmitting, and, do not need to arrange long time interval between the code word, thereby, information transmission efficiency between the terminal can be improved.
Embodiment three
Based on identical technical conceive, the embodiment of the invention also provides a kind of device of information transmission, and this device can be a processing unit in the first above-mentioned terminal or first terminal, and as shown in Figure 7, described device comprises:
Preferably, described target code form is Morse sign indicating number form; In described Morse sign indicating number form, be provided with the blank character of first quantity between character internal point dot and stroke dash, be provided with the blank character of second quantity between the character, described first quantity is not equal to described second quantity;
The code word of described storage and the corresponding relation of color comprise at least: corresponding first color of dot, corresponding second color of dash, corresponding the 3rd color of blank character.
Preferably, described target code form is binary format;
The code word of described storage and the corresponding relation of color comprise at least: 0 corresponding first color, 1 corresponding second color.
Preferably, in described binary format, be provided with blank character between the adjacent binary code word;
The code word of described storage and the corresponding relation of color also comprise: corresponding the 3rd color of described blank character.
Preferably, described transmitter module 730 is used for:
According to the order of described each color of colour sequential for light signal emission, and according to default transmission time slot, to the light signal of described each color of second terminal emission, the duration of launching each light signal is default signal duration.
Preferably, described default signal duration equates with described default transmission time slot.
Preferably, also comprise handover module, be used for:
According to the common default corresponding relation Changing Pattern of described second terminal, the code word of described storage and the corresponding relation of color are switched.
Preferably, described determination module 720 is used for:
According to the code word of storage and the corresponding relation of color, determine the colour sequential of the codeword sequence correspondence in the described coding;
Obtain the Serial No. key, and according to default encryption rule and described Serial No. key, each color in the sequence fragment of predeterminated position in the colour sequential of described codeword sequence correspondence is adjusted, will be through the colour sequential after adjusting as the colour sequential that is used for the light signal emission.
Preferably, also comprise initialization module, be used for:
Send initialization request to described second terminal, so that described second terminal is obtained light transmission conditions information according to described initialization request, light transmission conditions information and light signal emissive porwer according to storage in advance, the corresponding relation of signal duration, determine light signal emissive porwer and the signal duration of the light transmission conditions information correspondence obtained, it launches the light signal emissive porwer of light signal and light signal emissive porwer and the signal duration that the signal duration is set to determine, and sends the initialization affirmation that carries the described light signal emissive porwer of determining and signal duration to described first terminal;
Receive the initialization affirmation that carries the described light signal emissive porwer of determining and signal duration that described second terminal sends;
Described transmitter module is used for: confirm the light signal emissive porwer and the signal duration that carry according to described initialization, according to the order of described each color of colour sequential for the light signal emission, to the light signal of described each color of second terminal emission.
Based on identical technical conceive, the embodiment of the invention also provides a kind of device of information transmission, and this device can be a processing unit in the second above-mentioned terminal or second terminal, and as shown in Figure 8, described device comprises:
Preferably, described receiver module 810 is used for:
According to default transmission time slot, receive the light signal of first terminal order emission.
Preferably, also comprise handover module, be used for:
According to the common default corresponding relation Changing Pattern of described first terminal, the code word of described storage and the corresponding relation of color are switched.
Preferably, described determination module 820 is used for:
Obtain the Serial No. key, and according to default deciphering rule and described Serial No. key, each color in the sequence fragment of predeterminated position in the described colour sequential that is arranged in is adjusted;
According to the code word of storage and the corresponding relation of color, determine the codeword sequence through the colour sequential correspondence after adjusting.
Preferably, also comprise initialization module, be used for:
Receive the initialization request that described first terminal sends;
According to described initialization request, obtain light transmission conditions information;
According to the light transmission conditions information of storage in advance and the corresponding relation of light signal emissive porwer, signal duration, determine light signal emissive porwer and the signal duration of the light transmission conditions information correspondence obtained;
The light signal emissive porwer of light signal and light signal emissive porwer and the signal duration that the signal duration is set to determine are launched in this locality, and send the initialization affirmation that carries the described light signal emissive porwer of determining and signal duration to described first terminal.
Preferably, described receiver module 810 also is used for: the receiving optical signals position arranges request, and described light signal position arranges and carries positional information in the request;
Described receiver module 810 is used for: the image that obtains the light signal that includes described first terminal order emission by camera; According to the image in the zone corresponding with described positional information in the image that gets access to, determine the color of each light signal.
In the embodiment of the invention, obtain the coding of information to be transmitted under the target code form, the codeword sequence in the coding is converted to colour sequential, then according to the order of each color in the colour sequential, launch the light signal of each color to second terminal, represent different code words by different glow colors, like this, only need once the luminous code word of just can transmitting, and, do not need to arrange long time interval between the code word, thereby, information transmission efficiency between the terminal can be improved.
Embodiment four
Based on identical technical conceive, the embodiment of the invention also provides a kind of information system for transmitting, and described system comprises:
First terminal is used for obtaining information to be transmitted, and obtains the coding of described information to be transmitted under the target code form; According to the code word of storage and the corresponding relation of color, and the codeword sequence in the described coding, be identified for the colour sequential that light signal is launched; According to the order of described each color of colour sequential for light signal emission, to the light signal of described each color of second terminal emission;
Second terminal be used for to receive the light signal of first terminal order emission, obtains the color of each light signal, and the reception of the color accordance with optical signal of described each light signal is arranged in colour sequential in proper order; According to the code word of storage and the corresponding relation of color, and the colour sequential that is arranged in, determine corresponding codeword sequence; Obtain the information of described codeword sequence correspondence.
In the embodiment of the invention, first terminal is obtained the coding of information to be transmitted under the target code form, codeword sequence in the coding is converted to colour sequential, then according to the order of each color in the colour sequential, launch the light signal of each color to second terminal, represent different code words by different glow colors, like this, only need once the luminous code word of just can transmitting, and, do not need to arrange long time interval between the code word, thereby, information transmission efficiency between the terminal can be improved.
Need to prove: the device of the information transmission that above-described embodiment provides is when the information of carrying out is transmitted, only the division with above-mentioned each functional module is illustrated, in the practical application, can as required the above-mentioned functions distribution be finished by different functional modules, the internal structure that is about to device is divided into different functional modules, to finish all or part of function described above.In addition, the device of the information transmission that above-described embodiment provides and the method embodiment of information transmission belong to same design, and its specific implementation process sees method embodiment for details, repeats no more here.
The invention described above embodiment sequence number does not represent the quality of embodiment just to description.
The all or part of step that one of ordinary skill in the art will appreciate that realization above-described embodiment can be finished by hardware, also can instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (31)
1. the method for information transmission is characterized in that described method comprises:
First terminal is obtained information to be transmitted, and obtains the coding of described information to be transmitted under the target code form;
Described first terminal is according to the code word of storage and the corresponding relation of color, and the codeword sequence in the described coding, is identified for the colour sequential of light signal emission;
Described first terminal is according to the order of described each color of colour sequential for light signal emission, to the light signal of described each color of second terminal emission.
2. method according to claim 1 is characterized in that, described target code form is Morse sign indicating number form; In described Morse sign indicating number form, be provided with the blank character of first quantity between character internal point dot and stroke dash, be provided with the blank character of second quantity between the character, described first quantity is not equal to described second quantity;
The code word of described storage and the corresponding relation of color comprise at least: corresponding first color of dot, corresponding second color of dash, corresponding the 3rd color of blank character.
3. method according to claim 1 is characterized in that, described target code form is binary format;
The code word of described storage and the corresponding relation of color comprise at least: 0 corresponding first color, 1 corresponding second color.
4. method according to claim 3 is characterized in that, in described binary format, is provided with blank character between the adjacent binary code word;
The code word of described storage and the corresponding relation of color also comprise: corresponding the 3rd color of described blank character.
5. method according to claim 1 is characterized in that, described first terminal is according to the order of described each color of colour sequential for light signal emission, and the light signal to described each color of second terminal emission comprises:
Described first terminal is according to the order of described each color of colour sequential for light signal emission, and according to default transmission time slot, to the light signal of described each color of second terminal emission, the duration of launching each light signal is default signal duration.
6. method according to claim 5 is characterized in that, described default signal duration equates with described default transmission time slot.
7. method according to claim 1 is characterized in that, also comprises:
Described first terminal basis and the common default corresponding relation Changing Pattern of described second terminal are switched the code word of described storage and the corresponding relation of color.
8. method according to claim 1 is characterized in that, described first terminal is according to the code word of storage and the corresponding relation of color, and the codeword sequence in the described coding, is identified for the colour sequential of light signal emission, comprising:
Described first terminal is determined the colour sequential of the codeword sequence correspondence in the described coding according to the code word of storage and the corresponding relation of color;
Described first terminal is obtained the Serial No. key, and according to default encryption rule and described Serial No. key, each color in the sequence fragment of predeterminated position in the colour sequential of described codeword sequence correspondence is adjusted, will be through the colour sequential after adjusting as the colour sequential that is used for the light signal emission.
9. method according to claim 1 is characterized in that, described first terminal is obtained information to be transmitted, and obtains described information to be transmitted before the coding under the target code form, also comprises:
Described first terminal sends initialization request to described second terminal, so that described second terminal is obtained light transmission conditions information according to described initialization request, light transmission conditions information and light signal emissive porwer according to storage in advance, the corresponding relation of signal duration, determine light signal emissive porwer and the signal duration of the light transmission conditions information correspondence obtained, it launches the light signal emissive porwer of light signal and light signal emissive porwer and the signal duration that the signal duration is set to determine, and sends the initialization affirmation that carries the described light signal emissive porwer of determining and signal duration to described first terminal;
Described first terminal receives the initialization affirmation that carries the described light signal emissive porwer of determining and signal duration that described second terminal sends;
Described first terminal is according to the order of described each color of colour sequential for light signal emission, and the light signal to described each color of second terminal emission comprises:
Light signal emissive porwer and signal duration that described first terminal is carried in confirming according to described initialization are according to the order of described each color of colour sequential for the light signal emission, to the light signal of described each color of second terminal emission.
10. the method for information transmission is characterized in that described method comprises:
Second terminal receives the light signal of first terminal order emission, obtains the color of each light signal, and the reception of the color accordance with optical signal of described each light signal is arranged in colour sequential in proper order;
Described second terminal is according to the code word of storage and the corresponding relation of color, and the colour sequential that is arranged in, and determines corresponding codeword sequence;
Described second terminal is obtained the information of described codeword sequence correspondence.
11. method according to claim 10 is characterized in that, described second terminal receives the light signal of first terminal order emission, comprising:
Described second terminal receives the light signal of first terminal order emission according to default transmission time slot.
12. method according to claim 10 is characterized in that, also comprises:
Described second terminal basis and the common default corresponding relation Changing Pattern of described first terminal are switched the code word of described storage and the corresponding relation of color.
13. method according to claim 10 is characterized in that, described second terminal is according to the code word of storage and the corresponding relation of color, and the colour sequential that is arranged in, and determines corresponding codeword sequence, comprising:
Described second terminal is obtained the Serial No. key, and according to default deciphering rule and described Serial No. key, each color in the sequence fragment of predeterminated position in the described colour sequential that is arranged in is adjusted;
Described second terminal is determined the codeword sequence through the colour sequential correspondence after adjusting according to the code word of storage and the corresponding relation of color.
14. method according to claim 10 is characterized in that, described second terminal receives before the light signal of first terminal order emission, also comprises:
Described second terminal receives the initialization request that described first terminal sends;
Described second terminal is obtained light transmission conditions information according to described initialization request;
Described second terminal is according to the corresponding relation of the light transmission conditions information of storage in advance and light signal emissive porwer, signal duration, determines light signal emissive porwer and the signal duration of the light transmission conditions information correspondence obtained;
It launches the light signal emissive porwer of light signal and light signal emissive porwer and the signal duration that the signal duration is set to determine described second terminal, and sends the initialization affirmation that carries the described light signal emissive porwer of determining and signal duration to described first terminal.
15. method according to claim 10 is characterized in that, also comprises: the described second terminal receiving optical signals position arranges request, and described light signal position arranges and carries positional information in the request;
Described second terminal receives the light signal of first terminal order emission, obtains the color of each light signal, comprising: described second terminal is obtained the image of the light signal that includes described first terminal order emission by camera; Described second terminal is determined the color of each light signal according to the image in the zone corresponding with described positional information in the image that gets access to.
16. the device of an information transmission is characterized in that described device comprises:
Acquisition module is used for obtaining information to be transmitted, and obtains the coding of described information to be transmitted under the target code form;
Determination module is used for according to the code word of storage and the corresponding relation of color, and the codeword sequence in the described coding, is identified for the colour sequential of light signal emission;
Transmitter module is used for the order according to described each color of colour sequential for the light signal emission, to the light signal of described each color of second terminal emission.
17. device according to claim 16 is characterized in that, described target code form is Morse sign indicating number form; In described Morse sign indicating number form, be provided with the blank character of first quantity between character internal point dot and stroke dash, be provided with the blank character of second quantity between the character, described first quantity is not equal to described second quantity;
The code word of described storage and the corresponding relation of color comprise at least: corresponding first color of dot, corresponding second color of dash, corresponding the 3rd color of blank character.
18. device according to claim 16 is characterized in that, described target code form is binary format;
The code word of described storage and the corresponding relation of color comprise at least: 0 corresponding first color, 1 corresponding second color.
19. device according to claim 18 is characterized in that, in described binary format, is provided with blank character between the adjacent binary code word;
The code word of described storage and the corresponding relation of color also comprise: corresponding the 3rd color of described blank character.
20. device according to claim 16 is characterized in that, described transmitter module is used for:
According to the order of described each color of colour sequential for light signal emission, and according to default transmission time slot, to the light signal of described each color of second terminal emission, the duration of launching each light signal is default signal duration.
21. device according to claim 20 is characterized in that, described default signal duration equates with described default transmission time slot.
22. device according to claim 16 is characterized in that, also comprises being used for handover module:
According to the common default corresponding relation Changing Pattern of described second terminal, the code word of described storage and the corresponding relation of color are switched.
23. device according to claim 16 is characterized in that, described determination module is used for:
According to the code word of storage and the corresponding relation of color, determine the colour sequential of the codeword sequence correspondence in the described coding;
Obtain the Serial No. key, and according to default encryption rule and described Serial No. key, each color in the sequence fragment of predeterminated position in the colour sequential of described codeword sequence correspondence is adjusted, will be through the colour sequential after adjusting as the colour sequential that is used for the light signal emission.
24. device according to claim 16 is characterized in that, also comprises being used for initialization module:
Send initialization request to described second terminal, so that described second terminal is obtained light transmission conditions information according to described initialization request, light transmission conditions information and light signal emissive porwer according to storage in advance, the corresponding relation of signal duration, determine light signal emissive porwer and the signal duration of the light transmission conditions information correspondence obtained, it launches the light signal emissive porwer of light signal and light signal emissive porwer and the signal duration that the signal duration is set to determine, and sends the initialization affirmation that carries the described light signal emissive porwer of determining and signal duration to described first terminal;
Receive the initialization affirmation that carries the described light signal emissive porwer of determining and signal duration that described second terminal sends;
Described transmitter module is used for: confirm the light signal emissive porwer and the signal duration that carry according to described initialization, according to the order of described each color of colour sequential for the light signal emission, to the light signal of described each color of second terminal emission.
25. the device of an information transmission is characterized in that described device comprises:
Receiver module be used for to receive the light signal of first terminal order emission, obtains the color of each light signal, and the reception of the color accordance with optical signal of described each light signal is arranged in colour sequential in proper order;
Determination module is used for according to the code word of storage and the corresponding relation of color, and the colour sequential that is arranged in, and determines corresponding codeword sequence;
Acquisition module is for the information of obtaining described codeword sequence correspondence.
26. device according to claim 25 is characterized in that, described receiver module is used for:
According to default transmission time slot, receive the light signal of first terminal order emission.
27. device according to claim 25 is characterized in that, also comprises being used for handover module:
According to the common default corresponding relation Changing Pattern of described first terminal, the code word of described storage and the corresponding relation of color are switched.
28. device according to claim 25 is characterized in that, described determination module is used for:
Obtain the Serial No. key, and according to default deciphering rule and described Serial No. key, each color in the sequence fragment of predeterminated position in the described colour sequential that is arranged in is adjusted;
According to the code word of storage and the corresponding relation of color, determine the codeword sequence through the colour sequential correspondence after adjusting.
29. device according to claim 25 is characterized in that, also comprises being used for initialization module:
Receive the initialization request that described first terminal sends;
According to described initialization request, obtain light transmission conditions information;
According to the light transmission conditions information of storage in advance and the corresponding relation of light signal emissive porwer, signal duration, determine light signal emissive porwer and the signal duration of the light transmission conditions information correspondence obtained;
The light signal emissive porwer of light signal and light signal emissive porwer and the signal duration that the signal duration is set to determine are launched in this locality, and send the initialization affirmation that carries the described light signal emissive porwer of determining and signal duration to described first terminal.
30. device according to claim 25 is characterized in that, described receiver module also is used for: the receiving optical signals position arranges request, and described light signal position arranges and carries positional information in the request;
Described receiver module is used for: the image that obtains the light signal that includes described first terminal order emission by camera; According to the image in the zone corresponding with described positional information in the image that gets access to, determine the color of each light signal.
31. an information system for transmitting is characterized in that, described system comprises:
First terminal is used for obtaining information to be transmitted, and obtains the coding of described information to be transmitted under the target code form; According to the code word of storage and the corresponding relation of color, and the codeword sequence in the described coding, be identified for the colour sequential that light signal is launched; According to the order of described each color of colour sequential for light signal emission, to the light signal of described each color of second terminal emission;
Second terminal be used for to receive the light signal of first terminal order emission, obtains the color of each light signal, and the reception of the color accordance with optical signal of described each light signal is arranged in colour sequential in proper order; According to the code word of storage and the corresponding relation of color, and the colour sequential that is arranged in, determine corresponding codeword sequence; Obtain the information of described codeword sequence correspondence.
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