CN201638402U - Plug-in type digital language repeater - Google Patents
Plug-in type digital language repeater Download PDFInfo
- Publication number
- CN201638402U CN201638402U CN 201020148613 CN201020148613U CN201638402U CN 201638402 U CN201638402 U CN 201638402U CN 201020148613 CN201020148613 CN 201020148613 CN 201020148613 U CN201020148613 U CN 201020148613U CN 201638402 U CN201638402 U CN 201638402U
- Authority
- CN
- China
- Prior art keywords
- circuit
- repeater
- memory card
- housing
- digital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a plug-in type digital language repeater which comprises a housing, wherein the circuit inside the housing comprises a circuit board, a power circuit and a memory card slot; the circuit board comprises a main control chip of a digital repeater, a display connected with the main control chip, a digital-analog conversion circuit, a power control circuit, a memory, a key circuit and a memory card interface, wherein the digital-analog conversion circuit is connected with both or either of an earphone interface circuit and a speaker as well as a microphone; and the memory card interface is connected with the memory card slot. The advantages are as follows: the repeater has language-learning, music-playing, and digital-recording functions, is an upgraded version of the traditional magnetic tape type repeater, and adopts a memory card as an information carrier instead of magnetic tapes, thus being environment-friendly and increasing the capacity of information storage; simultaneously, the repeater is provided with a large-screen LED display, thus having synchronous audio and video display function that the traditional magnetic tape type repeater does not have; and the repeater can meet the requirements of study, entertainment and the like of users.
Description
Technical field
The utility model relates to a kind of phonetical repeater, especially a kind of card insert type Digital language language repeater.
Background technology
Existing common MP3 player can only be play MP3, do not possess re-reading, with read, learning functionality such as contrast, can not satisfy the needs of language learning; And common tape language repeater can not the display video literal, volume is big, single cassette deposit content limited, can't with the computer swap data.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of card insert type Digital language language repeater is provided, and the original tape language repeater deck of storage deck (as the SD deck) replacement with small size makes the entire product smaller volume carry easily.
According to the technical scheme that the utility model provides, described card insert type Digital language language repeater comprises the button on housing, the housing and is encapsulated in the interior circuit of housing that it is characterized in that: the circuit in the described housing comprises circuit board, power circuit and storage card deck; Described circuit board comprises a digital language repeater main control chip, the display screen that is connected with main control chip, D/A converting circuit, power control circuit, storer, key circuit, memory card interface, described D/A converting circuit connects earphone interface circuit, loudspeaker the two or one, and microphone; Described memory card interface links to each other with the storage card deck, and the storage card deck has opening outside housing; Described storer comprises the storer of storage system program and temporarily deposits the storer of institute's recorded speech information.
Described main control chip can also be connected with USB interface or Mini USB interface.
The utility model has the advantages that: this language repeater possesses language learning, music, digital recording three big functions, is the upgrading of traditional tape type language repeater, adopt SD card (or other storage cards) thus replace tape, environmental protection as the carrier of information; Replace tape as information carrier with the SD card, increased the capacity of information stores; Be equipped with the giant-screen LCD display simultaneously, possessed the not available sound of tape type language repeater, audio video synchronization Presentation Function; Can satisfy needs such as user learning, amusement.
Description of drawings
Fig. 1 is the utility model internal circuit block diagram
Fig. 2 is the utility model language repeater main control chip partial circuit schematic diagram
Fig. 3 is the utility model memory portion circuit theory diagrams
Fig. 4 is the utility model D/A converting circuit schematic diagram
Fig. 5 is the utility model power control circuit schematic diagram
Fig. 6 is the utility model SD card partial circuit schematic diagram
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.The utility model is a kind of support sound, audio video synchronization, and possesses the card insert type Digital language language repeater of language learning, music, digital recording function.
As shown in Figure 1, a kind of card insert type Digital language language repeater of the present utility model comprises: housing, button, be installed in circuit board, power circuit, SD card deck in the housing; Described circuit board comprises a digital language repeater main control chip (MCU), the display screen that is connected with main control chip, D/A converting circuit, power control circuit, first memory, second memory, button, USB interface, SD card also comprise the loudspeaker that is connected with described D/A converting circuit and microphone, earphone interface circuit.The utility model can also be equipped with universal data interface such as USB interface or Mini USB interface, conveniently and between PC or other electronic equipments transmits data.
According to the difference of the storage card that will use, as at present common SD card, CF card, mmc card, xD card, MS card, MSD card, MSDP card, RS-MMC card, T-Flash card, Mini-SD card etc., the utility model can be equipped with different decks and interface circuit.
(this is just for the anti-raw content of wiping can to publish the SD card of read-only form as publishing house, non-read-only card also can use), with the text content stores on it, the student will block in the insertion language repeater deck, use this language repeater to carry out audio-visual synchronization broadcast (video can be pure words or band image), re-reading, and can not only realize the function of existing magnetic tape type language repeater with reading recording, also will be re-reading or with audio fragment of reading and the broadcast of original audio video synchronization.The content of playing is mainly derived from external storage card, and built-in jumbo storer is used for store video/audio frequency unlike players such as mp3, mp4.
As shown in Figure 2, it is little process chip of AP6S01 that described digital language repeater main control chip U101 adopts model, as shown in Figure 3, the model of described first memory U105 is that the quick storage chip U105 of A25L016 is used to store the language repeater system program, the model of described second memory U106 is that the quick storage chip U106 of A25L010 is used for temporarily depositing institute's recorded speech information, and chip U105, U106 are connected with main control chip U101 is two-way by SCK, SI, CS, SO terminals; As shown in Figure 4, described D/A converting circuit comprises that model is the modulus conversion chip U102 of WM8976, chip U102 is connected with main control chip U101 is two-way by LRC, BCLK, ADDAT, DADAT, MCLK, CSB/IO, SCLK, SDIN terminals, modulus conversion chip U102 is connected with loudspeaker by ROUT2, LOUT2, be connected with earphone by ROUT1, LOUT1 terminals, be connected with microphone by LIP, LIN terminals; As shown in Figure 5, described power control circuit comprises that model is the power management chip U104 of LN2054 and the power supply voltage stabilizing chip U103 that model is LN1134-33, chip U104 is connected with lithium ion battery by CHRG, BAT terminals, is connected with USB interface J200, charging inlet J108 by VCC, BAT terminals; Described display screen can adopt LCD screen or segment encode screen (user's operational order can also can be made touch-screen by touching input by the button input); As shown in Figure 6, described SD card deck J105 is connected with main control chip U101 by CLK, CD terminals.
Compared with prior art, plug-in type digital language repeater of the present utility model possesses following advantage: when playing text, energy simultaneous display text content possesses sound, audio video synchronization function; Replace tape deck with SD card (or other small size electronic memory card or storage mediums) deck, be easy to carry so that small product size is small and exquisite, SD card canned data capacity is more than big many of tape simultaneously; The giant-screen LCD display that is equipped with is effectively alleviated the kopiopia of using of the long-time study of user.
Claims (2)
1. card insert type Digital language language repeater comprises the button on housing, the housing and is encapsulated in the interior circuit of housing, and it is characterized in that: the circuit in the described housing comprises circuit board, power circuit and storage card deck; Described circuit board comprises a digital language repeater main control chip, the display screen that is connected with main control chip, D/A converting circuit, power control circuit, storer, key circuit, memory card interface, described D/A converting circuit connects earphone interface circuit, loudspeaker the two or one, and microphone; Described memory card interface links to each other with the storage card deck, and the storage card deck has opening outside housing; Described storer comprises the storer of storage system program and temporarily deposits the storer of institute's recorded speech information.
2. card insert type Digital language language repeater as claimed in claim 1 is characterized in that described main control chip also is connected with USB interface or Mini USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020148613 CN201638402U (en) | 2010-04-02 | 2010-04-02 | Plug-in type digital language repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020148613 CN201638402U (en) | 2010-04-02 | 2010-04-02 | Plug-in type digital language repeater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638402U true CN201638402U (en) | 2010-11-17 |
Family
ID=43082907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020148613 Expired - Fee Related CN201638402U (en) | 2010-04-02 | 2010-04-02 | Plug-in type digital language repeater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517482A (en) * | 2013-09-29 | 2015-04-15 | 宁夏先锋软件有限公司 | Multi-subject learning repeater |
-
2010
- 2010-04-02 CN CN 201020148613 patent/CN201638402U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517482A (en) * | 2013-09-29 | 2015-04-15 | 宁夏先锋软件有限公司 | Multi-subject learning repeater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20150402 |
|
| EXPY | Termination of patent right or utility model |