CN102855113B - Encoding method and device for outputting information through display screen, and terminal - Google Patents
Encoding method and device for outputting information through display screen, and terminal Download PDFInfo
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- CN102855113B CN102855113B CN201210288866.8A CN201210288866A CN102855113B CN 102855113 B CN102855113 B CN 102855113B CN 201210288866 A CN201210288866 A CN 201210288866A CN 102855113 B CN102855113 B CN 102855113B
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Abstract
The invention discloses an encoding method for outputting information through a display screen. The encoding method comprises the following steps of: converting information to be transmitted into N-ary data; judging whether continuous and identical data is present in the N-ary data, if so, converting the (even number)th identical data into data different from the N-ary data, so as to obtain (N+1)-ary data; adding a first data comprising the N-ary data or the (N+1)-ary data into a synchronization header, so as to obtain a second data carrying the synchronization header; and modulating a pixel value of the specific display screen area according to the second data, so as to obtain brightness information carrying the second data, displaying and outputting the brightness information through the display screen, and reading the information through external equipment. The invention also discloses an encoding device for outputting information through the display screen, and a terminal. The information to be transmitted is converted into the N-ary data or the (N+1)-ary data, so that the brightness information is obtained and is displayed and output, and the method has the beneficial effects that the information output speed and brightness are easily identified and unified.
Description
Technical field
The present invention relates to information export technique field, particularly relate to a kind of coding method by display screen output information, device and terminal.
Background technology
Along with the continuous propelling of global figure information, the electronic product in electron trade updates also more and more faster; And in many electronic products, such as PC(Person Computer, PC), the terminal device such as panel computer, smart mobile phone, there is the series of problems such as communication interface disunity, not back compatible, even communication interface needs to authorize and could use.In the prior art, can not find a kind of general and can the method for compatible with various terminals device talk interface or equipment to realize the communication between above-mentioned different types of terminals equipment.In order to provide friendly User Interface, electronic product such as the mobile terminal devices such as PC, panel computer, smart mobile phone are all configured with display screen, become a kind of new message stream mode by the output brightness output information of modulating display screen.
Simple by the Method compare of the output brightness output information of modulation display screen at present, general employing binary message exports, and traditional single line coded system is also binary coding, only has bright dark two kinds of output effects, transmission data are slow, can not meet the demand that output information amount is large.And adopting multi-system data to export, speed is very fast, but is subject to display screen output brightness uneven and the impact of the brightness curve characteristic of display screen etc., and the brightness of too many grade is not easy to be read equipment and correctly identifies; The exporting change rate of display screen is too fast simultaneously also can by the restriction of display screen self performance.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of coding method by display screen output information, device and terminal, is intended to realize the information output speed of terminal device display screen and brightness unification easy to identify.
The invention discloses a kind of coding method by display screen output information, comprise the following steps:
Information to be sent is converted to N binary data, judges whether there are consecutive identical data in described N binary data;
If so, then convert data identical for even number to the data different from described N binary data, obtain N+1 binary data;
The first data comprising described N binary data or N+1 binary data are added sync header, obtains second data of carrying sync header;
According to the pixel value of the display screen area that described second Data Modulation is selected, obtain the monochrome information being loaded with the second data, by described monochrome information by described display screen display translation, read for external unit.
Preferably, described judge whether there is the step of consecutive identical data in described N binary data after also comprise:
If not, then described N binary data is adopted to carry out subsequent operation.
Preferably, described first data that will comprise described N binary data or N+1 binary data add sync header, also comprise step before obtaining the step of second data of carrying sync header:
Described N binary data or N+1 binary data are verified, generates check code, obtain described first data comprising described check code.
Preferably, described sync header comprises at least one bit data in consecutive identical described N binary data or N+1 binary data.
Preferably, the way of output of described monochrome information is: exported by described display screen Circulating fibrocytes.
The present invention also discloses a kind of code device by display screen output information, comprising:
Data judge module, for information to be sent is converted to N binary data, judges whether there are consecutive identical data in described N binary data;
Data conversion module, during for there being consecutive identical data in described N binary data, converting data identical for even number to the data different from described N binary data, obtaining N+1 binary data;
Sync header adds module, for the first data comprising described N binary data or N+1 binary data are added sync header, obtains second data of carrying sync header;
Monochrome information output module, for the pixel value of display screen area selected according to described second Data Modulation, obtains the monochrome information being loaded with the second data, by described monochrome information by described display screen display translation, reads for external unit.
Preferably, described data conversion module also for:
When not having consecutive identical data in described N binary data, described N binary data is adopted to carry out subsequent operation.
Preferably, the described code device by display screen output information also comprises:
Data check module, for verifying described N binary data or N+1 binary data, generating check code, obtaining described first data comprising described check code.
Preferably, the sync header that described sync header interpolation module is added comprises at least one bit data in consecutive identical described N binary data or N+1 binary data.
Preferably, described monochrome information output module exports the mode of described monochrome information and is: exported by described display screen Circulating fibrocytes.
The present invention also discloses a kind of terminal, and described terminal comprises the described code device by display screen output information;
The described code device by display screen output information specifically comprises:
Data judge module, for information to be sent is converted to N binary data, judges whether there are consecutive identical data in described N binary data;
Data conversion module, during for there being consecutive identical data in described N binary data, converting data identical for even number to the data different from described N binary data, obtaining N+1 binary data;
Sync header adds module, for the first data comprising described N binary data or N+1 binary data are added sync header, obtains second data of carrying sync header;
Monochrome information output module, for the pixel value of display screen area selected according to described second Data Modulation, obtains the monochrome information being loaded with the second data, by described monochrome information by described display screen display translation, reads for external unit.
Preferably, described data conversion module also for:
When not having consecutive identical data in described N binary data, described N binary data is adopted to carry out subsequent operation.
Preferably, the described code device by display screen output information also comprises:
Data check module, for verifying described N binary data or N+1 binary data, generating check code, obtaining described first data comprising described check code.
Preferably, the sync header that described sync header interpolation module is added comprises at least one bit data in consecutive identical described N binary data or N+1 binary data.
Preferably, described monochrome information output module exports the mode of described monochrome information and is: exported by described display screen Circulating fibrocytes.
The present invention is by being converted to N binary data by information to be output, and when having consecutive identical data in N binary data, be converted into N+1 binary data, the first data comprising described N binary data or N+1 binary data added sync header, obtains the second data; The pixel value of display screen area is selected according to the second Data Modulation, obtain the monochrome information being loaded with the second data, and by the method for this monochrome information by display screen display translation, the information output speed with terminal device display screen and brightness easy to identify can be mutually unified beneficial effect, save the spending of synchronizing signal, improve data transmission efficiency, have stronger versatility and ease for use, perfect terminal capabilities, improves Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the coding method first embodiment schematic flow sheet of the present invention by display screen output information;
Fig. 2 is the coding method second embodiment schematic flow sheet of the present invention by display screen output information;
Fig. 3 is the coding method three embodiment schematic flow sheet of the present invention by display screen output information;
Fig. 4 is the code device first example structure schematic diagram of the present invention by display screen output information;
Fig. 5 is the code device second example structure schematic diagram of the present invention by display screen output information;
Fig. 6 is terminal one example structure schematic diagram of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Reference Fig. 1, Fig. 1 are the coding method first embodiment schematic flow sheet of the present invention by display screen output information; As shown in Figure 1, the present invention is comprised the following steps by the coding method of display screen output information:
Step S01, information to be sent is converted to N binary data, judges whether there are consecutive identical data in described N binary data; If so, then step S02 is performed;
The decimal system that the output information great majority of usual terminal device display screen identify for ease of the mankind or be convenient to the binary data of the data processing equipment identifications such as computing machine, information to be sent is converted to N binary data by the present embodiment, to modulate the pixel of display screen.To illustrate concrete grammar information to be sent being converted to N binary data below, is 4 for the concrete value of N.
Such as: needing to export data is 987, if it is 1,001 1000 0111B that each decimal number is converted to binary number, representing with quaternary number, is 212013; And be used as a number that is 987 987, then the binary data converted to is 11 1101 1011B, represents with quaternary number, is 33123, decreases one.According to same coding method, a decimal system needs two quaternary numbers to represent, two decimal systems need four quaternary numbers to represent, three decimal systems only need five quaternary representations, four decimal systems need seven quaternary numbers to represent, five decimal systems need nine quaternary numbers to represent, by that analogy; As can be seen here, the data volume of above-mentioned coding method relative usage is minimum, therefore selects three decimal system conversions as best method for expressing; When discontented three, then with above-mentioned two decimal systems enumerating of employing or a metric method representation.Obtain five quaternary number certificates after every three decimal datas conversion, decrease data volume.
Step S02, convert data identical for even number to the data different from described N binary data, obtain N+1 binary data;
After converting, for the ease of the image data that fetch equipment is correct, need to judge whether described N binary data has consecutive identical data; If had, then data identical for even number are converted to the number different from N binary data, namely obtain N+1 binary data; Be still 4 for the concrete value of N, the such as decimal system 987, adopts quaternary representation to be 33123, and have that one consecutive identical 33, then second 3 is substituted with 4, the quinary digit certificate of output after namely change is 34123.The object done like this is to distinguish with the data in the sync header of adding in subsequent step.
Step S03, the first data comprising described N binary data or N+1 binary data are added sync header, obtain second data of carrying sync header;
In a preferred embodiment, in order to save transmission channel, adopt the mode of Single-wire data transmission and carry out data syn-chronization by data syn-chronization head, use at least one bit data in a string consecutive identical N system or N+1 binary data as sync header, add in the first data comprising described N system or N+1 binary data, for the starting point of unlabeled data transmission; So that picker accurately judges the beginning that data are transmitted.
Described sync header comprises at least one bit data in consecutive identical described N system or N+1 binary data.Particularly, be still 4 for the concrete value of N, sync header can comprise the consecutive identical described quaternary or quinary digit according in a certain position or long numeric data, as 22,111 or 11444 etc.; In a preferred embodiment, when described sync header be the described quaternary or quinary digit according in lowest order time, described sync header also comprise simultaneously the described quaternary or quinary digit according in most significant digit data, as 0003 or 00044 etc.; When described sync header be the described quaternary or quinary digit according in most significant digit time, described sync header also comprise the described quaternary or quinary digit according in lowest order digit certificate, as 33300 or 4440 etc., so that picker understands the highest the lowest class position of data.
Step S04, the pixel value of display screen area selected according to described second Data Modulation, obtain the monochrome information being loaded with the second data, by described monochrome information by described display screen display translation, read for external unit.
Selected region of carrying out information output, utilizes the pixel value of described second Data Modulation display screen selection area, obtains the monochrome information being loaded with the second data on a display screen; The region selected by display screen exports described monochrome information, reads for external unit.
In a preferred embodiment, recycle design is adopted to show described monochrome information, for the fetch equipment constantly image data of outside; If there is corrupt data to skip during this period, when next Circulating fibrocytes, Resurvey is to correct data.
Above-described embodiment is only 4 to be specifically described with the concrete value of N, and be the situation of other integers between 2 ~ 15 about N value, the mathematical algorithm just between each system conversion is different, and additive method step is identical with above-described embodiment, does not repeat them here.
The present embodiment is by being converted to N binary data by information to be output, when having consecutive identical data in N binary data, data identical for even number are converted to N+1 binary data, and the first data comprising N system or N+1 binary data are added sync header, obtain the second data; The pixel value of display screen area is selected according to the second Data Modulation, obtain the monochrome information being loaded with the second data, and by the method for this monochrome information by display screen display translation, the information output speed with terminal device display screen and brightness easy to identify can be mutually unified beneficial effect, save the spending of synchronizing signal, improve data transmission efficiency.
Reference Fig. 2, Fig. 2 are the coding method second embodiment schematic flow sheet of the present invention by display screen output information; The difference of the present embodiment and the first embodiment increase only step S05; The present embodiment only specifically describes step S05, and the present invention please refer to the specific descriptions of the first embodiment by other steps involved by the coding method of display screen output information, does not repeat them here.
As shown in Figure 2, the present invention by the coding method of display screen output information in step S01, information to be sent is converted to N binary data, also comprise after judging whether there is the step of consecutive identical data in described N binary data: if not, then perform step S05;
Step S05, described N binary data is adopted to carry out subsequent operation.
Information to be sent being converted to after N binary data completes, for the ease of the image data that fetch equipment is correct, need to judge whether described N binary data has consecutive identical data; If do not have consecutive identical data in described N binary data, then adopt described N binary data to carry out follow-up associative operation, concrete operation step please refer to embodiment described in Fig. 1.
When the present embodiment does not have consecutive identical data in described N binary data, the N system after directly using conversion carries out subsequent operation and does not use traditional data to carry out the method operated, and reaches signal transmission rate and unification easy to identify.
Reference Fig. 3, Fig. 3 are the coding method three embodiment schematic flow sheet of the present invention by display screen output information; The difference of the present embodiment and the second embodiment increase only step S11; The present embodiment only specifically describes step S11, and the present invention please refer to the specific descriptions of above-mentioned related embodiment by other steps involved by the coding method of display screen output information, does not repeat them here.
As shown in Figure 3, the present invention adds sync header by the coding method of display screen output information in step S03, first data that will comprise described N binary data or N+1 binary data, also comprises step before obtaining the step of second data of carrying sync header:
Step S11, described N binary data or N+1 binary data to be verified, generate check code, obtain described first data comprising described check code.
Can learn that whether collected data are complete and whether correct for the ease of outside fetch equipment, described N binary data or described N+1 binary data be verified, generates check code, obtain the first data comprising described check code.
The present embodiment, by verification N binary data or N+1 binary data, generates the method that check code obtains the first data comprising check code, has and guarantee that terminal device correctly can read the beneficial effect of the monochrome information of output.
Reference Fig. 4, Fig. 4 are the code device first example structure schematic diagram of the present invention by display screen output information; As shown in Figure 4, the present invention is specifically comprised by the code device of display screen output information:
Data judge module 01, for information to be sent is converted to N binary data, judges whether there are consecutive identical data in described N binary data;
The decimal system that the output information great majority of usual terminal device display screen identify for ease of the mankind or be convenient to the binary data of the data processing equipment identifications such as computing machine, information to be sent is converted to N binary data by data judge module 01, to modulate the pixel of display screen.To illustrate concrete grammar information to be sent being converted to N binary data below, is 4 for the concrete value of N.
Such as: needing to export data is 987, if it is 1,001 1000 0111B that each decimal number is converted to binary number, representing with quaternary number, is 212013; And be used as a number that is 987 987, then the binary data converted to is 11 1101 1011B, represents with quaternary number, is 33123, decreases one.According to same coding method, a decimal system needs two quaternary numbers to represent, two decimal systems need four quaternary numbers to represent, three decimal systems only need five quaternary representations, four decimal systems need seven quaternary numbers to represent, five decimal systems need nine quaternary numbers to represent, by that analogy; As can be seen here, the data volume of above-mentioned coding method relative usage is minimum, therefore selects three decimal system conversions as best method for expressing; When discontented three, then with above-mentioned two decimal systems enumerating of employing or a metric method representation.Obtain five quaternary number certificates after every three decimal datas conversion, decrease data volume.
Data conversion module 02, during for there being consecutive identical data in described N binary data, converting data identical for even number to the data different from described N binary data, obtaining N+1 binary data;
Described data conversion module 02 also for, when there is no consecutive identical data in described N binary data, adopt described N binary data to carry out subsequent operation.
After data judge module 01 converts, for the ease of the image data that fetch equipment is correct, data conversion module 02 needs to judge whether described N binary data has consecutive identical data; If had, data conversion module 02 converts the number different from N binary data to data identical for even number, namely obtains the first data of N+1 system; Be still 4 for the concrete value of N, the such as decimal system 987, adopts quaternary representation to be 33123, and have that one consecutive identical 33, then the 3rd 3 is substituted with 4, the quinary digit certificate of output after namely change is 34123.The object done like this is to distinguish with the data in the sync header of adding in subsequent step.If data conversion module 02 judges that described N binary data does not have consecutive identical data, then the N binary data after directly adopting data judge module 01 to change carries out follow-up corresponding operating.
Sync header adds module 03, for the first data be used for comprising described N binary data or N+1 binary data are added sync header, obtains second data of carrying sync header;
In a preferred embodiment, in order to save transmission channel, adopt the mode of Single-wire data transmission and carry out data syn-chronization by data syn-chronization head, sync header is added module 03 and is used at least one bit data in a string consecutive identical N system N+1 binary data as sync header, add in the first data comprising described N system or N+1 binary data, for the starting point of unlabeled data transmission; So that picker accurately judges the beginning that data are transmitted.
Described sync header comprises at least one bit data in consecutive identical described N binary data or N+1 binary data.Still 4 for the concrete value of N, particularly, sync header can comprise consecutive identical described quaternary number according to or quinary digit according in a certain position or long numeric data as 22,111 or 11444 etc.; In a preferred embodiment, when described sync header be the described quaternary or quinary digit according in lowest order time, described sync header also comprise simultaneously the described quaternary or quinary digit according in most significant digit data, as 0003 or 00044 etc.; When described sync header be described quaternary number according to or quinary digit according in most significant digit time, described sync header also comprise described quaternary number according to or quinary digit according in lowest order digit certificate, as 33300 or 4440 etc.
Monochrome information output module 04, for the pixel value of display screen area selected according to described second Data Modulation, obtains the monochrome information being loaded with the second data, by described monochrome information by described display screen display translation, reads for external unit.
Monochrome information output module 04 is selected region of carrying out information output on a display screen, utilizes the pixel value of described second Data Modulation display screen selection area, obtains the monochrome information being loaded with the second data; Monochrome information output module 04 exports described monochrome information by the region that display screen is selected, reads for external unit.
In a preferred embodiment, monochrome information output module 04 adopts recycle design to show described monochrome information, for the fetch equipment constantly image data of outside; If there is corrupt data to skip during this period, when next Circulating fibrocytes, Resurvey is to correct data.
Above-described embodiment is only 4 to be specifically described with the concrete value of N, about the situation that N value is other integers between 2 ~ 15, mathematical algorithm just between each system conversion is different, the method step that the present invention is processed it by the code device of display screen output information is identical with above-described embodiment, does not repeat them here.
The present embodiment is by being converted to N binary data by information to be output, when having consecutive identical data in N binary data, data identical for even number are converted to N+1 binary data, and the first data comprising N system or N+1 binary data are added sync header, obtain the second data; The pixel value of display screen area is selected according to the second Data Modulation, obtain the monochrome information being loaded with the second data, and by this monochrome information by display screen display translation, the information output speed with terminal device display screen and brightness easy to identify can be mutually unified beneficial effect, and save the spending of synchronizing signal, improve data transmission efficiency.
Reference Fig. 5, Fig. 5 are the code device second example structure schematic diagram of the present invention by display screen output information; The difference of the present embodiment and the first embodiment is, increase only data check module 05; The present embodiment only specifically describes data correction verification module 05, and the present invention please refer to the specific descriptions of related embodiment by other modules involved by the code device of display screen output information, does not repeat them here.
As shown in Figure 5, the present invention is also comprised by the code device of display screen output information:
Data check module 05, for verifying described N binary data or N+1 binary data, generating check code, obtaining described first data comprising described check code.
Can learn that whether collected data are complete and whether correct for the ease of outside fetch equipment, data check module 05 verifies described N binary data or described N+1 binary data, generates check code, obtains the first data comprising described check code.
The present embodiment, by verification N binary data or described N+1 binary data, generates check code and obtains the first data comprising check code, have and guarantee that terminal device correctly can read the beneficial effect of the monochrome information of output.
Reference Fig. 6, Fig. 6 are terminal one example structure schematic diagram of the present invention.As shown in Figure 6, terminal of the present invention comprises the described code device 100 by display screen output information, the specific descriptions of the described code device 100 by display screen output information be please refer to the specific descriptions of above-mentioned related embodiment, does not repeat them here.
In actual applications, described terminal includes but not limited to: have CRT(Cathode Ray Tube, cathode-ray picture tube), LCD(Liquid Crystal Display, LCDs), LED(Light-Emitting Diode, light emitting diode) etc. smart mobile phone, the terminal device such as PC and panel computer of display screen of active illuminating.
The foregoing is only the preferred embodiments of the present invention; not thereby its scope of the claims is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present invention.
Claims (11)
1., by a coding method for display screen output information, it is characterized in that, comprise the following steps:
Information to be sent is converted to N binary data, judges whether there are consecutive identical data in described N binary data;
If so, then convert data identical for even number to the data different from described N binary data, obtain N+1 binary data;
The first data comprising described N binary data or N+1 binary data are added sync header, obtains second data of carrying sync header;
According to the pixel value of the display screen area that described second Data Modulation is selected, obtain the monochrome information being loaded with the second data, by described monochrome information by described display screen display translation, read for external unit;
Described N is integer, and span is 2 ~ 15.
2. coding method as claimed in claim 1, is characterized in that, described judge whether there is the step of consecutive identical data in described N binary data after also comprise:
If not, then described N binary data is adopted to carry out subsequent operation.
3. coding method as claimed in claim 1 or 2, is characterized in that, described first data that will comprise described N binary data or N+1 binary data add sync header, also comprise step before obtaining the step of second data of carrying sync header:
Described N binary data or N+1 binary data are verified, generates check code, obtain described first data comprising described check code.
4. coding method as claimed in claim 1 or 2, it is characterized in that, described sync header comprises at least one bit data in consecutive identical described N binary data or N+1 binary data.
5. coding method as claimed in claim 1 or 2, it is characterized in that, the way of output of described monochrome information is: exported by described display screen Circulating fibrocytes.
6., by a code device for display screen output information, it is characterized in that, comprising:
Data judge module, for information to be sent is converted to N binary data, judges whether there are consecutive identical data in described N binary data;
Data conversion module, during for there being consecutive identical data in described N binary data, converting data identical for even number to the data different from described N binary data, obtaining N+1 binary data;
Sync header adds module, for the first data comprising described N binary data or N+1 binary data are added sync header, obtains second data of carrying sync header;
Monochrome information output module, for the pixel value of display screen area selected according to described second Data Modulation, obtains the monochrome information being loaded with the second data, by described monochrome information by described display screen display translation, reads for external unit.
7. code device as claimed in claim 6, is characterized in that, described data conversion module also for:
When not having consecutive identical data in described N binary data, described N binary data is adopted to carry out subsequent operation.
8. code device as claimed in claims 6 or 7, is characterized in that, also comprise:
Data check module, for verifying described N binary data or N+1 binary data, generating check code, obtaining described first data comprising described check code.
9. code device as claimed in claims 6 or 7, is characterized in that, described sync header is added sync header that module adds and comprised at least one bit data in consecutive identical described N binary data or N+1 binary data.
10. code device as claimed in claims 6 or 7, it is characterized in that, the mode that described monochrome information output module exports described monochrome information is: exported by described display screen Circulating fibrocytes.
11. 1 kinds of display terminals, is characterized in that, comprise the code device by display screen output information described in any one of claim 6 to 10.
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| CN103825675B (en) * | 2014-01-28 | 2017-10-27 | 华南理工大学 | Coding method and device in a kind of ultrasonic communication |
| CN106372701B (en) * | 2016-08-30 | 2019-06-07 | 西安小光子网络科技有限公司 | A kind of coding of optical label and recognition methods |
| CN111404569B (en) * | 2020-03-06 | 2022-03-25 | 深圳盈特创智能科技有限公司 | Efficient single-wire communication method between single-chip microcomputers |
| CN114189554B (en) * | 2021-11-17 | 2023-09-15 | 中国兵器工业计算机应用技术研究所 | Information interaction method, device and readable storage medium |
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| CN1363078A (en) * | 2000-02-01 | 2002-08-07 | 皇家菲利浦电子有限公司 | Method of displaying images on a matrix display device |
| CN101615929A (en) * | 2008-06-27 | 2009-12-30 | 鸿富锦精密工业（深圳）有限公司 | Transfer of data, method of sending and receiving |
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| CN1363078A (en) * | 2000-02-01 | 2002-08-07 | 皇家菲利浦电子有限公司 | Method of displaying images on a matrix display device |
| CN101615929A (en) * | 2008-06-27 | 2009-12-30 | 鸿富锦精密工业（深圳）有限公司 | Transfer of data, method of sending and receiving |
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