CN202373310U - Automobile radio-cassette player - Google Patents
Automobile radio-cassette player Download PDFInfo
- Publication number
- CN202373310U CN202373310U CN2011205441178U CN201120544117U CN202373310U CN 202373310 U CN202373310 U CN 202373310U CN 2011205441178 U CN2011205441178 U CN 2011205441178U CN 201120544117 U CN201120544117 U CN 201120544117U CN 202373310 U CN202373310 U CN 202373310U
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- decoding
- microprocessor
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- radio
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The utility model provides an automobile radio-cassette player, which comprises a radio module for receiving frequency modulation / amplitude modulation (FM/AM) signals and an MP3, a playing module and a microprocessor. The playing module is connected with the radio module and a decoding module and used for playing FM/AM sound signals or MP3 sound signals, and the microprocessor can control the radio module, an MP3 decoding controller and the playing module to perform data communication. The MP3 decoding controller comprises the decoding module for decoding read MP3 signals into MP3 sound signals, a control module capable of controlling the decoding module to perform decoding operation, a secure digital (SD) memory card interference and a universal serial bus (USB) interference. An embodiment of the automobile radio-cassette player can read MP3 signals through an SD memory card from the SD memory card interference, and overcomes the defects that in the prior art, tapes or optical disks serving as storage media are short in service life, poor in shock resistance and the like. Simultaneously, a user can freely chose programs to be played, and user experience is improved.
Description
Technical field
The utility model embodiment relates to a kind of novel cassette car radio, relates in particular to a kind of cassette car radio that is stored in the MP3 signal in SD (Secure Digital Memory) card or the USB flash disk of playing.
Background technology
Along with the continuous progress and the development of society, automobile spreads to family gradually as a kind of high consumption product, and people are also improving constantly the requirement of stereo set in the car.
Present known cassette car radio is to be made up of radio and magnetic tape sound reproducer or CD-ROM device.And tape has shortcomings such as volume is big, capacity is little, the life-span is short, shock resistance difference, the life-span of CD and shock resistance are also bad, and the user cannot freely select to play the program of oneself liking, and it is very poor to make the user experience.
Summary of the invention
The purpose of the utility model development is to provide a kind of cassette car radio, in order to solve the defective that available technology adopting tape or CD cause as storage medium, to improve user's experience.
The utility model is realized through following step, sees accompanying drawing 1, and it comprises: be used to the radio reception module that receives the FM/AM signal and export the FM/AM sound signal; Be used to read and the MP3 decoding controller of the MP3 signal of decoding, the decoder module that it is the MP3 sound signal that said MP3 decoding controller comprises the said MP3 signal decoding that reads and the said decoder module of control carry out the control module of decode operation; Said cassette car radio also comprises the playing module that is connected, is used to play said FM/AM sound signal or said MP3 sound signal with said radio reception module with said decoder module; And the microprocessor that carries out data communication through the said radio reception module of total line traffic control, said MP3 decoding controller and said playing module; It is characterized in that; Said MP3 decoding controller also comprises the SD card and the USB interface that is used for reading from USB flash disk said MP3 signal that is used for reading from the SD card said MP3 signal, and said SD card is connected with said MP3 decoding module respectively with said USB interface.
Also comprise keyboard, be connected, be used for to said microprocessor input control order with said microprocessor.
Said microprocessor is connected with display screen through driver module, is used to the steering order that shows the duty of said microprocessor or show said keyboard input.
Advantage of the utility model and good effect: read the MP3 signal from SD card or USB flash disk through SD card or USB interface; And decode and play; Available technology adopting tape or CD have been solved as storage medium; Have defectives such as life-span weak point, shock resistance difference, the user can freely select broadcast program simultaneously, has improved user's experience.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the circuit block diagram of the utility model cassette car radio embodiment;
Fig. 2 is the circuit block diagram of another embodiment of the utility model cassette car radio.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine accompanying drawing below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the circuit block diagram of the utility model cassette car radio embodiment.As shown in Figure 1, the utility model embodiment provides a kind of cassette car radio, and it comprises: radio reception module 1, MP3 decoding controller 2, playing module 3 and microprocessor 4.Wherein, radio reception module 1 is used to receive the FM/AM signal and exports the FM/AM sound signal; MP3 decoding controller 2 is used to read and the MP3 signal of decoding, and this MP3 decoding controller 2 comprises: be the decoder module 21 and control module 22 of MP3 sound signal with the MP3 signal decoding that reads; Playing module 3 is connected with MP3 decoding controller 2 with radio reception module 1, is used to play FM/AM sound signal or MP3 sound signal; Microprocessor 4 carries out data communication through total line traffic control radio reception module 1, MP3 decoding controller 2 and playing module 3.This MP3 decoding controller 2 also comprises and is used for reading the SD card 23 of MP3 signal and reading the USB interface 24 of MP3 signal from USB flash disk 6 from SD card 5.
In the present embodiment, the user can carry out data communication with radio reception module 1 and MP3 decoding controller 2 through microprocessor 4 controls playing modules 3.Microprocessor 4 to radio reception module 1, MP3 decoding controller 2 and playing module 3 sending controling instructions, is realized the radio reception of FM/AM signal or the playback of MP3 signal through input/output bus as the main control chip of cassette car radio.MP3 decoding controller 2 inside have the USB interface 24 of SD card 23 and HOST function; The MP3 decoding controller is play through playing module 3 through USB interface 24 operations such as SD card 5 is verified with the MP3 signal in the USB flash disk 6, decoding, digital-to-analog conversion to being stored in respectively of SD card 23 and HOST function at last.Control module 22 is as the built-in control program of program storage, to decoder module 21 control operation of decoding, decoded signal carried out buffer memory and control.
A kind of cassette car radio of the utility model embodiment; Read the MP3 signal through SD card or USB interface from SD card or USB flash disk; And decode and play, solved available technology adopting tape or CD as storage medium, have defectives such as life-span weak point, shock resistance difference; The user can freely select broadcast program simultaneously, has improved user's experience.
Fig. 2 is the circuit block diagram of another embodiment of the utility model cassette car radio.As shown in Figure 2, on the basis of the foregoing description, the cassette car radio that the utility model provides can also comprise: keyboard 7, this keyboard 7 is connected with microprocessor 4, is used for to microprocessor 4 input control orders.The user can pass through keyboard 7 to microprocessor 4 input control orders, for example, and steering orders such as broadcast, time-out, selected songs.After the user plays the steering order of MP3 signal through keyboard 7 inputs; Microprocessor 4 is sent to MP3 decoding controller 2 through bus with this steering order; These MP3 decoding controller 2 inside have the USB interface 24 of SD card 23 and HOST function; The MP3 decoding controller is play through playing module 3 through USB interface 24 operations such as SD card 5 is verified with the MP3 signal in the USB flash disk 6, decoding, digital-to-analog conversion to being stored in respectively of SD card 23 and HOST function at last.
Further specify, microprocessor 4 can be connected with display 9 through driver module 8, is used to show the duty of microprocessor 4 or the steering order of display keyboard 7 inputs.
Illustrate further, playing module 3 can comprise: electronic sound volume control module 31 and power amplifier 32.Wherein, Electronic sound volume control module 31 carries out volume control according to the steering order of microprocessor 4 to FM/AM sound signal or MP3 sound signal; And being sent to power amplifier 32,32 pairs of FM/AM sound signals of power amplifier or MP3 sound signal are amplified after loudspeaker is play.
The cassette car radio of the utility model embodiment; Read the MP3 signal through SD card or USB interface from SD card or USB flash disk; And decode and play; Solved available technology adopting tape or CD as defectives such as the life-span weak point of storage medium, shock resistance differences, the user can freely select broadcast program simultaneously, has improved user's experience.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (3)
1. cassette car radio comprises: be used to the radio reception module that receives the FM/AM signal and export the FM/AM sound signal; Be used to read and the MP3 decoding controller of the MP3 signal of decoding, the decoder module that it is the MP3 sound signal that said MP3 decoding controller comprises the said MP3 signal decoding that reads and the said decoder module of control carry out the control module of decode operation; Said cassette car radio also comprises the playing module that is connected, is used to play said FM/AM sound signal or said MP3 sound signal with said radio reception module with said decoder module; And the microprocessor that carries out data communication through the said radio reception module of total line traffic control, said MP3 decoding controller and said playing module; It is characterized in that: said MP3 decoding controller also comprises the SD card and the USB interface that is used for reading from USB flash disk said MP3 signal that is used for reading from the SD card said MP3 signal, and said SD card is connected with said MP3 decoding module respectively with said USB interface.
2. a kind of cassette car radio according to claim 1 is characterized in that: also comprise keyboard, be connected with said microprocessor, be used for to said microprocessor input control order.
3. a kind of cassette car radio according to claim 2 is characterized in that: said microprocessor is connected with display screen through driver module, is used to the steering order that shows the duty of said microprocessor or show said keyboard input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205441178U CN202373310U (en) | 2011-12-23 | 2011-12-23 | Automobile radio-cassette player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205441178U CN202373310U (en) | 2011-12-23 | 2011-12-23 | Automobile radio-cassette player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202373310U true CN202373310U (en) | 2012-08-08 |
Family
ID=46597004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205441178U Expired - Fee Related CN202373310U (en) | 2011-12-23 | 2011-12-23 | Automobile radio-cassette player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202373310U (en) |
-
2011
- 2011-12-23 CN CN2011205441178U patent/CN202373310U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20121223 |