CN1458578A - Code-reading sound generating device - Google Patents
Code-reading sound generating device Download PDFInfo
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- CN1458578A CN1458578A CN 02120110 CN02120110A CN1458578A CN 1458578 A CN1458578 A CN 1458578A CN 02120110 CN02120110 CN 02120110 CN 02120110 A CN02120110 A CN 02120110A CN 1458578 A CN1458578 A CN 1458578A
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Abstract
The code-reading sound generating device is used to read out the code on some printed matter and to produce corresponding sound output. It has one image sensor to detect the image of the machine readable code, one image processor to perform the pre-treatment of the image to obtain distinguishable image signal, one decoder to decode the distinguishable image signal based on the coding rules into corresponding text or symbol data, and one converter to take out corresponding sound waveform data from a prestored text or symbol and sound check list, and loudspeaker to broadcast the sound.
Description
Technical field
The present invention relates to a kind of device, particularly a kind of flexible piezoelectric sound-generating devices of code-reading in order to aid reading.
Background technology
In the age of knowledge explosion, though there are diversified medium can provide people to obtain different new knowledges, but be still people by the literal of reading books and picture and obtain one of main source of knowledge, and in order further to promote the convenience of reading books, also there are collocation audiotape or CD that the content of books is come out with sound playing, or will represent the sound burning of book contents amassing on the circuit, and directly will amass into circuit and be embedded in the books, so make the reader can listen to the content of books.
Aforementioned mode with the sound aid reading needs the extra audiotape of making, CD or amass into circuit chip, not only consumed cost is too high and can't popularize in all books or card, and the data quantity of book contents is huge, also is difficult for all the elements being made in audiotape, CD or amassing on the circuit chip.
Be the disappearance of avoiding using audiotape, CD or amassing into circuit chip, a kind of intuition make the genealogy of law so that take the content of books or card with video camera, and with page or card image that the technology of character identifying is applied to retrieve, recognize word content and sound again, read out word content.This kind method is because of a large amount of computings of needs, so must be core with the treating apparatus of for example PC, add that the video search card just might realize, lack flexibility so its shortcoming is PC cost height, portability is poor and text layout is strict, and can't reach 100% discrimination power at present, and can't read for example other data such as music score or special sound effect symbol.Therefore, its feasibility is not high.How to make things convenient for and, be a problem extremely to be solved then effectively with the sound aid reading.
The inventor is in line with the positive spirit of innovation, wants to design a kind of can addressing the above problem: the flexible piezoelectric sound-generating devices of code-reading.Several times research experiment is finished this novel progressive invention finally.
Summary of the invention
The object of the invention ties up to the flexible piezoelectric sound-generating devices that a kind of low cost, portability height is provided and is rich in the flexible code-reading of data.
According to first characteristic of the present invention, the flexible piezoelectric sound-generating devices system of this code-reading is in order to read the machine readable code that is arranged on the printed matter, so that produce corresponding voice output, this device mainly comprises: an image sensor is in order to retrieve the image of this machine readable code; One image processor is to carry out the image prime in order to the image to this machine readable code to handle, to obtain identifiable image signal; One demoder is the coding rule according to this machine readable code, and the image signal of identification is decoded as the literal or the symbolic data of this machine readable code representative; One sound generating table is the corresponding sound waveform information that prestores different literals or symbol, so that the literal of the gained of will decoding or symbol transition are corresponding sound waveform data; And a digital-to-analog converter is this sound waveform data is converted to corresponding analogy voice or special sound effect and is gone out by a loudspeaker plays.
The flexible piezoelectric sound-generating devices of code-reading, it also comprises a memory buffer,, reaches by the sound waveform data of being taken out in the sound generating table by literal or symbol money section that this demoder solved for temporary.
The flexible piezoelectric sound-generating devices of code-reading, its described machine readable code is a two-dimensional bar code.
The flexible piezoelectric sound-generating devices of code-reading, its described image sensor are CCD or cmos semiconductor plane sense optical element.
According to second characteristic of the present invention, the flexible piezoelectric sound-generating devices of this code-reading system is in order to reading the machine readable code that is arranged on the printed matter, and this machine readable code system represents the literal on the printed matter and the digitisation waveform of symbol, and this device mainly comprises:
One image sensor is in order to retrieve the image of this machine readable code;
One image processor is to carry out image prime processing ， Yi Hu in order to the image to this machine readable code to get identifiable image signal;
One demoder is the coding rule according to this machine readable code, and the image signal of identification is decoded as the literal of this machine readable code representative or the digitisation waveform of symbol; And
One digital-to-analog converter is that the digitisation waveform transformation that demoder is solved is gone out by a loudspeaker plays for the analogy voice or the special sound effect of correspondence.
The flexible piezoelectric sound-generating devices of described code-reading also comprises a memory buffer, for temporary by the literal that this demoder solved or the digitisation waveform of symbolic data.
The flexible piezoelectric sound-generating devices of code-reading, its described machine readable code is a two-dimensional bar code.
The flexible piezoelectric sound-generating devices of code-reading, its described image sensor are CCD or cmos semiconductor plane sense optical element.
Because the present invention constructs novelty, can provide on the industry and utilize, and truly have the enhancement effect, so apply for a patent in accordance with the law.
For further understanding structure of the present invention, feature and purpose thereof, the attached now detailed description with graphic and preferred embodiment as after.
Description of drawings
Fig. 1 is the use synoptic diagram of the flexible piezoelectric sound-generating devices of code-reading of the present invention;
Fig. 2 is the functional block diagram of the flexible piezoelectric sound-generating devices of code-reading of the present invention.
Embodiment
One preferred embodiment of the flexible piezoelectric sound-generating devices of relevant code-reading of the present invention, please be earlier with reference to shown in Figure 1, the flexible piezoelectric sound-generating devices 20 of this code-reading is the machine readable code 11 that is arranged at as printed matters such as books 10 or cards in order to read, so that produce corresponding voice output, aforementioned machines code-reading 11 is preferably to be two-dimensional bar code, or other similar can be by the symbolic code of machine identification, its generally ink printing in the page of books or the corner of card, and do not influence the layout of literal or picture, or with the invisible light material, fluorescent, or the Stealth Modus of male and fomale(M﹠F) is printed in the optional position of the page or the card of books.
This machine readable code 11 is literal and a symbol of representing all or part of content of the books page at place or card, or the digitisation waveform of this literal and symbol.
With reference to shown in Figure 2, the flexible piezoelectric sound-generating devices 20 of aforementioned code-reading is to be made of institutes such as image sensor 21, image processor 22, demoder 23, sound generating table 24, memory buffer 25, digital-to-analog converter 26 and loudspeakers 27, wherein, in this sound generating table 24 be the corresponding sound waveform information that prestores different literals or symbol.
This image sensor 21 is semiconductor planar such as a CCD or CMOS photo-sensitive cell for example, can be in order to retrieve the image of this machine readable code 11, and this image processor 22 is handled in order to the prime of carrying out image, that is the exposure control of image, noise elimination, colour correction, picture are strengthened, and even image binary conversion treatment etc., or other relevant treatment, to obtain identifiable image signal, be beneficial to the carrying out of the continuous decoding of Hou.
The image signal system of treated Hou sends into this memory buffer 25 earlier, and is decoded according to the coding rule of two-dimensional bar code by this demoder 23, the literal or the symbolic data that solve is deposited in the memory buffer 25 again.Right Hou is according to the literal or the symbolic data that decode, by taking out corresponding sound waveform data in the sound generating table 24, just can be analogy converter 26 by numerical digit and be converted to corresponding voice or special sound effect and play out, and reach the purpose of reading books or card content with sound by loudspeaker 27.
And for example this machine readable code 11 is a digitisation waveform of representing literal and symbol, then the demoder 23 decoding gained persons by the flexible piezoelectric sound-generating devices 20 of this code-reading are the sound waveform data, so can be directly be converted to the voice of correspondence or special sound effect and play out, and need not to use sound generating table 24 by loudspeaker 27 by digital-to-analog converter 26.
Please refer to shown in Figure 1 again, as machine readable code 11 be with ink printing in the page of books 10, then the flexible piezoelectric sound-generating devices 20 of this code-reading can be retrieved this machine readable code 11 for 30 times in lamp or general light source, as this machine readable code 11 is the page that is printed in books 10 with the Stealth Modus of invisible light material, then need use corresponding specific light source, ultraviolet source for example is so that can inspect hiding machine readable code 11.
By above explanation as can be known, the present invention system reads the machine readable code that is arranged on the printed matter with the flexible piezoelectric sound-generating devices of code-reading, and the voice output that produces correspondence, it need not to use complicated text-recognition technology, only need to reach 100% identification ratio with simple decoding computing, and also can read for example non-legible data such as music score or special sound effect symbol, thereby it is high and be rich in advantage such as data elasticity to reach low cost, portability.
To sum up institute is old, and no matter the present invention is with regard to purpose, and means and effect show that all it is totally different in the feature of known techniques, and real is the invention that has practical value, earnestly asks your juror to perceive, and grants quasi patent early, so that Jiahui society, the true feeling moral just.Only it should be noted that above-mentioned many embodiment give an example for convenience of explanation, the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (8)
1. the flexible piezoelectric sound-generating devices of a code-reading is the machine readable code that is arranged on the printed matter in order to read, so that produce corresponding voice output, it is characterized in that this device mainly comprises:
One image sensor is in order to retrieve the image of this machine readable code;
One image processor is to carry out image prime processing ， Yi Hu in order to the image to this machine readable code to get identifiable image signal;
One demoder is the coding rule according to this machine readable code, and the image signal of identification is decoded as the literal or the symbolic data of this machine readable code representative;
One sound generating table is the corresponding sound waveform information that prestores different literals or symbol, so that the literal of the gained of will decoding or symbol transition are corresponding sound waveform data; And
One digital-to-analog converter is this sound waveform data is converted to corresponding analogy voice or special sound effect and is gone out by a loudspeaker plays.
2. the flexible piezoelectric sound-generating devices of code-reading as claimed in claim 1 is characterized in that, also comprises a memory buffer,, reaches by the sound waveform data of being taken out in the sound generating table by literal or symbol money section that this demoder solved for temporary.
3. the flexible piezoelectric sound-generating devices of code-reading as claimed in claim 2 is characterized in that, described machine readable code is a two-dimensional bar code.
4. the flexible piezoelectric sound-generating devices of code-reading as claimed in claim 2 is characterized in that, described image sensor is CCD or cmos semiconductor plane sense optical element.
5. the flexible piezoelectric sound-generating devices of a code-reading is the machine readable code that is arranged on the printed matter in order to read, and this machine readable code system represents the literal on the printed matter and the digitisation waveform of symbol, it is characterized in that this device mainly comprises:
One image sensor is an image of getting this machine readable code in order to retrieval;
One image processor is to carry out image prime place in order to the image to this machine readable code to bury, to obtain identifiable image signal;
One demoder is the coding rule according to this machine readable code, and the image signal of identification is decoded as the literal of this machine readable code representative or the digitisation waveform of symbol; And
One digital-to-analog converter is that the digitisation waveform transformation that demoder is solved is gone out by a loudspeaker plays for the analogy voice or the special sound effect of correspondence.
6. the flexible piezoelectric sound-generating devices of code-reading as claimed in claim 5 is characterized in that, also comprises a memory buffer, for temporary by the literal that this demoder solved or the digitisation waveform of symbolic data.
7. the flexible piezoelectric sound-generating devices of code-reading as claimed in claim 6 is characterized in that, described machine readable code is a two-dimensional bar code.
8. the flexible piezoelectric sound-generating devices of code-reading as claimed in claim 6 is characterized in that, described image sensor is CCD or cmos semiconductor plane sense optical element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02120110 CN1458578A (en) | 2002-05-17 | 2002-05-17 | Code-reading sound generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02120110 CN1458578A (en) | 2002-05-17 | 2002-05-17 | Code-reading sound generating device |
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| Publication Number | Publication Date |
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| CN1458578A true CN1458578A (en) | 2003-11-26 |
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| CN 02120110 Pending CN1458578A (en) | 2002-05-17 | 2002-05-17 | Code-reading sound generating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212548B (en) * | 2006-12-31 | 2010-05-19 | 北京爱国者妙笔数码科技有限责任公司 | System for operating TV set-top box with a contact sensing control device |
| CN102248825A (en) * | 2004-10-15 | 2011-11-23 | 吉田健治 | Printing methods of dot pattern and medium surface as well as printed matters |
-
2002
- 2002-05-17 CN CN 02120110 patent/CN1458578A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248825A (en) * | 2004-10-15 | 2011-11-23 | 吉田健治 | Printing methods of dot pattern and medium surface as well as printed matters |
| CN102248825B (en) * | 2004-10-15 | 2014-10-22 | 吉田健治 | Printing methods of dot pattern and medium surface as well as printed matters |
| CN101212548B (en) * | 2006-12-31 | 2010-05-19 | 北京爱国者妙笔数码科技有限责任公司 | System for operating TV set-top box with a contact sensing control device |
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