CN201345173Y

CN201345173Y - Point reading and learning machine based on optical identification

Info

Publication number: CN201345173Y
Application number: CNU2009201292478U
Authority: CN
Inventors: 刘建生
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-05
Filing date: 2009-02-05
Publication date: 2009-11-11
Anticipated expiration: 2019-02-05

Abstract

The utility mode relates to a point reading and learning machine based on optical identification, and aims to solve the inconvenience in the use of the traditional learning machine. The point reading and learning machine comprises a main control circuit, an optical sensing head, an image processing circuit and a memory, wherein, the main control circuit can read corresponding data files from the memory according to the optical identification codes input by the image processing circuit, and perform decoding and analog-to-digital conversion so as to output corresponding audio signals; and the optical sensing head, the main control circuit, the image processing circuit and the memory are all arranged in a straight-plate type structure casing with certain thickness. The point reading and learning machine can be further equipped with a display screen, a control key, a USB interface, an earphone interface and the like, and the casing can take the shape of a cellphone or a digital learning machine; the machine with complete functions and convenient use can be matched with textbooks to play sound files corresponding to the characters or pictures in the textbooks, and can expand the functions of a digital learning machine, or even a cellphone.

Description

Reading learning machine based on optical identification

Technical field

The utility model relates to a kind of education electronic product, specifically, relates to a kind of reading learning machine based on optical identification.

Background technology

Occur at present many novel children instrument---reading learning machine of giving financial aid to students on the market, be called for short point reader usually.Be characterized in, lay crisscross conductive mesh film, join one outward only to respond to or to send the click pen of wireless signal in the inside of a housing similar with notebook computer.During use the textbook horizontal on the housing that launches, with clicking pen is clicked literal on the textbook position, clicking a wireless signal that sends will be accepted by the conductive mesh film that casing inside is laid, and the alternating electromagnetic field that perhaps produces on the conductive mesh film can be experienced by clicked pen.Through handling, CPU in the casing just can obtain the coordinate figure of click location, and then according to coordinate figure the speech data corresponding to this coordinate that is stored in the speech data memory is taken out, deliver to the sound that speech processing circuit sends this position literal correspondence, play the effect of " reading ".

Also has a kind of talking pen based on optical identification (OID) principle.Its principle is the site that printing one deck naked eyes are difficult for discovering on the printed article of routine, the geometric figure difference of diverse location site.The OID talking pen " is taken pictures " facing to printed article, can parse the geometric parameter of the site, place of taking pictures.Store voice data in the internal storage of OID talking pen in advance, thereby the OID talking pen can retrieve corresponding voice data according to the site parameter that obtains and play back, realize the function of reading according to the site parameter reference.

But these the two kinds schemes that realize the reading function all have shortcoming.The point reader scheme must be placed on books on the heavy point reader, uses very inconveniently, and volume can't dwindle, cost can't reduce.The OID talking pen is then because the restriction of its " pen " shape housing makes it be difficult to take into account on function design and appearance and modeling.

At present, all OID talking pens all have " pen " shape housing, for sounding conveniently is typically equipped with built-in loudspeaker, add the camera that must be installed in the housing, often seem that volume is bigger, even resemble one " pen " hardly.For its target group---child, take and play to get up to undertake to do what is apparently beyond one's ability really.

For this reason, Chinese patent 200620106926.X discloses a kind of wireless split-type talking pen, wherein only comprises OID identification, decoding and with the Bluetooth circuit of launching after the coded modulation, so volume can design very for a short time.And the decoding and the phonation circuit of the retrieval of the acceptance of Bluetooth signal, decoding, corresponding voice data, MP3 data all design with cassette shell that talking pen separates in, reach with this talking pen accomplished very little purpose.But the defective of this scheme is because talking pen itself can not sounding, so whenever all must and " cassette shell " of special outfit use together, this has increased another kind of inconvenience again, and is more inconvenient when using especially out of doors.

In fact, the common disadvantage of above-mentioned OID talking pen is that function is too simple, and the restriction of form of a stroke or a combination of strokes housing makes it be difficult to the configuration display screen, thereby can only dispose the simplest reading function, even duty also can only represent that hommization is relatively poor with 1,2 LED.

The utility model content

Above-mentioned defective at prior art, the utility model will solve the awkward problem of traditional reading class learning machine, a kind of reading learning machine based on optical identification is provided, not only has the reading function, and can expand the function of digital learning machine, PDA even mobile phone.

The technical scheme in the invention for solving the technical problem is, a kind of reading learning machine based on optical identification is provided, and comprises housing, it is characterized in that, also comprises:

Be used for stealthy yard optical sensing head of taking of the optical identification on the printed matter;

The image analysis that is used for described optical sensing head is taken is an optical identification image encoded treatment circuit;

Be used to store the storer of the data file corresponding with described optical identification coding;

Be connected with described image processing circuit, memory circuitry respectively, can be according to optical identification coding reading corresponding data file from described storer of described image processing circuit input, and make decoding, analog-to-digital conversion process to export the governor circuit of corresponding sound signal;

Wherein, described housing is certain thickness straight-plate-type structure, and described optical sensing head, governor circuit, image processing circuit and storer all are loaded in this housing.

In the utility model, also can install display screen, control button, the USB socket that is connected with described governor circuit at described surface of shell.

In the utility model, in described housing, also can install the feed circuit that are connected with described USB socket, and the battery that is connected with described feed circuit is housed.

In the utility model, in described housing, also can install audio power amplifier circuit and connected loudspeaker, and/or earphone interface also is housed at described surface of shell.

In the utility model, described governor circuit can be the multimedia on-chip system chip that comprises voice data decoder module, D/A converter module, earphone power amplifier.

In the utility model, described housing is preferably the structure of mobile phone shape, can certainly be other suitable shapes such as digital learning machine.

In the utility model, described storer is the FLASH storer; Also can in described housing, install the SDRAM storer that is connected with described governor circuit.

Owing to adopted technique scheme, reading learning machine of the present utility model concentrates on all electronic units in the same housing, can cooperate with corresponding printed matter by optical recognition component, realizes reading function easily; Product is easy to carry, multiple functional, and can expand the function of digital learning machine even mobile phone.

Description of drawings

Fig. 1 is the schematic appearance of reading learning machine among embodiment of the utility model;

Fig. 2 is the schematic block circuit diagram of reading learning machine among embodiment of the utility model.

Embodiment

A preferred embodiment of the present utility model as depicted in figs. 1 and 2, this reading learning machine adopts the OID technology, has non-form of a stroke or a combination of strokes housing, retrieval, phonation circuit and the display control circuit etc. of the identification of OID sign indicating number, MP3 data all are placed on inside the casing, form and not only have the reading function, but also have the reading learning machine based on optical identification of digital learning machine even cell-phone function.

Find out that by Fig. 1 this reading learning machine comprises housing 102, shooting sensing head 101, push-button array 103, receiver J-Horner 104, USB socket 105 and the display screen 106 of mobile phone profile.Certainly, also have circuit board, loudspeaker, battery etc. in the shell, do not show among the figure.

The schematic block circuit diagram of this reading learning machine has been shown among Fig. 2, wherein, shooting sensing head 201 is taken facing to adding the printed article that is printed on the stealthy sign indicating number of OID, the data that obtain are delivered to image processing circuit 202 to be handled, then the OID sign indicating number that parses is delivered to SoC (system level chip, or SOC (system on a chip)) governor circuit 203 of type, governor circuit 203 takes out corresponding MP3 voice data according to the numerical value of the OID sign indicating number that obtains for 204 li at the FLASH storer, it is decoded, digital-to-analog conversion (DAC) and earphone power amplifier are perhaps sounded sound signal after audio frequency power amplifier 208 amplifies after receiver J-Horner 207 is sounded by earphone by loudspeaker 209.

The FLASH storer stores system program and some sound data file for 204 li, each sound data file is corresponding to a Sound book, wherein store the voice data of each OID sign indicating number correspondence by the OID sign indicating number, governor circuit 203 can find corresponding voice data according to the OID sign indicating number in the data file of selected Sound book, sound after the decoding, realize the reading vocal function of Sound book.Governor circuit 203 can also find and voice data corresponding character coded data in the data file of selected Sound book according to the OID sign indicating number.

In order to save cost, system software also is stored in 204 li of FLASH storeies.

Configuration must be carried out the function that mass data is handled if desired, can increase SDRAM212 in circuit, as the cushion space of data processing.

USB slave unit socket and PC above being located at it couples together with OID reading learning machine, OID reading learning machine has just become the portable hard drive of PC, can be easily downloads or upload reading file, mp3 file or other data files of Sound book correspondence in the computer.

OID reading learning machine inserts the USB line and also can be charged by 206 pairs of batteries 211 of USB socket simultaneously by USB main equipment powered operation generally by 211 power supplies of built-in battery.Certainly, the battery that uses during charging must be a rechargeable battery.

Push-button array 205 can be controlled OID reading learning machine by different mode, difference in functionality work.The switching of function and pattern also can be controlled with the OID sign indicating number.Such as, can on Sound book, card, print some different icons, each icon prints additional the stealthy sign indicating number of different OID, click different icons with OID reading learning machine and promptly selected different OID sign indicating numbers, governor circuit 203 switches to the function or the pattern of this OID sign indicating number correspondence according to the OID sign indicating number that obtains.Like this, the icon that has the stealthy sign indicating number of OID just is equivalent to the external button of OID reading learning machine, and OID reading learning machine click function icon just is equivalent to by function button.The benefit that obtains thus is, the function of OID reading learning machine is arbitrarily expanded, and again too much button needn't be set on fuselage, can make the reading learning machine do to such an extent that function is very strong and volume is very little, cost is very low, even only need a button on the fuselage.

Display screen 210 is bigger differences of OID reading learning machine of the present utility model and other OID talking pens.Because casing is not the form of a stroke or a combination of strokes, the setting of display screen, can arbitrarily be matched to 3.6 o'clock large display screens that learning machine uses from 1.44 o'clock small displays that simple mobile phone uses according to the function needs with regard to relatively flexibly, does not think heavy when needing only reading.Owing to had display screen, function of the present utility model can design to such an extent that contain all functions of talking pen and learning machine even mobile phone.

Governor circuit in the foregoing description is the multimedia SoC chip that comprises voice data decoding, DAC translation function.Especially, housing wherein can be a handset shell, and camera is installed in the casing, has only light hole to expose.If adopt the mobile phone main control chip, because it is powerful, can take into account the needs of OID reading and cell-phone function fully, become the reading mobile phone that has these two kinds of functions simultaneously.

Can certainly adopt digital learning machine housing and learning machine main control chip, make it become the reading learning machine that has digital learning machine and OID point reader function simultaneously.

Claims

1, a kind of reading learning machine based on optical identification comprises housing, it is characterized in that, also comprises:

Be used to store the data file corresponding and the storer of system software with described optical identification coding;

2, the reading learning machine based on optical identification according to claim 1 is characterized in that, display screen, control button, the USB socket that is connected with described governor circuit also is housed at described surface of shell.

3, the reading learning machine based on optical identification according to claim 2 is characterized in that, the feed circuit that are connected with described USB socket also are housed in described housing, and the battery that is connected with described feed circuit is housed.

4, the reading learning machine based on optical identification according to claim 3 is characterized in that, is provided with audio power amplifier circuit and connected loudspeaker in described housing, and/or at described surface of shell the earphone interface that is connected with described governor circuit is housed also.

5, according to each described reading learning machine among the claim 1-4, it is characterized in that described governor circuit is the multimedia on-chip system chip that comprises voice data decoder module, D/A converter module, earphone power amplifier based on optical identification.

According to each described reading learning machine among the claim 1-4, it is characterized in that 6, described housing is the structure of mobile phone shape or the structure of digital learning machine shape based on optical identification.

7, according to each described reading learning machine among the claim 1-4, it is characterized in that described storer is the FLASH storer based on optical identification; In described housing, be provided with the SDRAM storer that is connected with described governor circuit.