CN2845019Y - Special automotive digital radio musci player - Google Patents
Special automotive digital radio musci player Download PDFInfo
- Publication number
- CN2845019Y CN2845019Y CN 200520087477 CN200520087477U CN2845019Y CN 2845019 Y CN2845019 Y CN 2845019Y CN 200520087477 CN200520087477 CN 200520087477 CN 200520087477 U CN200520087477 U CN 200520087477U CN 2845019 Y CN2845019 Y CN 2845019Y
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- CN
- China
- Prior art keywords
- player
- module
- main control
- automobile
- music player
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- Expired - Fee Related
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The utility model belongs to the field of audio-frequency playing devices, and comprises a main control module used as a music player control center, a storing module used to provide storing data for a peripheral device, a USB interface used to transmit data with the peripheral device, an LCD display used to display options of the main control module, an MP3 decoding module used to decode voice data in an MP3 format and carry out digital-analogue conversion and signal amplification to the decoded data, and a frequency-modulation stereo transmitting module used to transmit the frequency modulated signal. The voice data in an MP3 format can be played from a vehicular audio system, a wireless stereo headset, etc. by the utility model. The player has the functions of a card reader, and the power supply of the player comes from the power supply of a cigarette lighter of the vehicle.
Description
Technical field
Automobile specified wireless digital music player of the present utility model belongs to the audio-frequence player device field, relates in particular to a kind of automobile specified wireless digital music player.
Background technology
By inventor's Karlheinz Brandenburg and other two MP3 that the co-worker invented (being MPEGAudio Layer 3), it is a kind of voice data compression method, utilize the MP3 technology original music data can be greatly reduced, can save a large amount of calculator memories, and when music playback imperceptible itself the data degradation of people's ear, have the clear stereo effect.Because the facility of popularizing, surfing the Net of current computer, MP3 is that present price is the cheapest, the music information exchanged form of most convenient.The MP3 player has stepped into our life at present, the MP3 player that aims at Automobile Design has also begun to popularize, but it can only cooperate earphone or the loudspeaker music with MP3 format, can't cooperate equipment such as car audio system and wireless stereo headset, in the use of reality, be subjected to a lot of restrictions, the usable range of MP3 is dwindled greatly.
Summary of the invention
The purpose of this utility model is to overcome prior art deficiency and defective, provide a kind of USB1.1 of use interface, can external SD/MMC card, the automobile specified wireless digital music player that utilizes automobile cigarette lighter from equipment such as vehicle audio and wireless stereo headset, to play back as power supply, with the MP3 music data in the storer.
For achieving the above object, the utility model provides a kind of automobile specified wireless digital music player, it comprises that a main part carries out the Plug Division that power supply is connected with one with automobile cigarette lighter, the both sides of this Plug Division are provided with two spring leafs in order to fixed players, above-mentioned main part has two lugs, carry out the Plug Division that power supply is connected with automobile cigarette lighter one protuberance is arranged, this protuberance is articulated between two lugs of aforementioned body part by two that are arranged on its both sides little protruding axles, and the inside of this player comprises the main control module as the control center of music player; One can be used for providing the memory module of the data of external memory; One can supply to carry out with external device (ED) the USB interface of data transmission; One can be in order to the LCD display of the option that shows the main control module; One can decipher processing in order to the voice data to MP3 format, and the data after the decoding is carried out the MP3 decoding module of D/A switch, signal amplification; One can be in order to the FM multiplex transmitter module of emission FM signal, above-mentioned memory module, USB interface, MP3 decoding module, FM multiplex transmitter module, LCD display electrically connect with the main control module respectively, and MP3 decoding module and FM multiplex transmitter module electrically connect; Thus, this automobile specified wireless digital music player can play back the music data of the MP3 format in the memory device and can make firm being plugged in the automobile cigarette lighter as required its main body and can adjusting of player between+90 degree～-90 degree from equipment such as car audio system and wireless stereo headset.
Because carry out such scheme, automobile specified wireless digital music player has full range and puts stereo emission, signal stabilization, antijamming capability is strong, can use as card reader, utilizes cigar lighter to do power supply and need not purchase battery in addition, shock resistance is good, has solved vehicle-mounted CD or VCD and has been afraid of advantages such as shake.
Description of drawings
Fig. 1 is the utility model block diagram
Fig. 2, Fig. 3 are the employed chip figure of the utility model
Fig. 4 is the circuit theory diagrams of the utility model transmitter module
Fig. 5 is a front elevation of the present utility model
Fig. 6 is an articulated section of the present utility model subsection
Embodiment
As Fig. 5, shown in Figure 6, be provided with two flat spring sheets 12 with both sides that automobile cigarette lighter carries out the Plug Division 13 that power supply is connected, two above-mentioned flat spring sheets 12 withstand the inwall of cigar lighter jack when player inserts automobile cigarette lighter, make player 9 fixing.Two lugs 10 are arranged on the main body 14 of player, and above-mentioned two lugs 10 articulate with two little protruding axles 15 of the protuberance 11 of Plug Division 13 by protuberance.
As shown in Figure 1, the utility model is made up of main control module 1, MP3 decoding module 2, FM multiplex transmitter module 3, LCD display 4, power circuit 5, memory module 7, USB interface 8; Main control module 1 is in order to the control center as music player, and it is made up of IC115 chip and peripheral circuit, and this IC115 chip as shown in Figure 2; Memory module 7, this memory module 7 electrically connects with above-mentioned main control module 1, can be used for providing the data of external memory, and the external memory that it connected is SD card or mmc card; USB interface 8, this USB interface 8 and above-mentioned main control module 1 electric connection can be for carrying out data transmission with external device (ED), and the standard of its transmission is USB1.1; LCD display 4, this LCD display 4 and above-mentioned main control module 1 electric connection can be in order to show the option of main control module, its position is on the main body 14 central authorities position on the upper side of player; MP3 decoding module 2, this MP3 decoding module 2 electrically connects with main control module 1, FM multiplex transmitter module 3 respectively, decipher processing in order to voice data to MP3 format, and the data after the decoding are carried out D/A switch, signal amplify, it is made up of IC2201B chip and peripheral circuit, and this IC2201B chip as shown in Figure 3; FM multiplex transmitter module 3, this FM multiplex transmitter module 3 electrically connect with above-mentioned main control module 1, MP3 decoding module 2 respectively, and in order to the emission FM signal, its radiating circuit as shown in Figure 4; Above-mentioned structure has constituted a kind of automobile specified wireless digital music player.
The course of work of the present utility model is: by the operating key on the player 9 17,18,19 control main control module 1, main control module 1 is delivered to the voice data of the MP3 format in the memory module 7 in the MP3 decoding module 2 and is deciphered processing, and to decoding after data carry out D/A switch, the signal that signal will amplify after will amplifying is then sent into FM multiplex transmitter module 3, FM multiplex transmitter module 3 is modulated into signal with transmission frequency key 16 is set, 20 identical the transmitting of frequency that are provided with are launched, and in by equipment such as the car audio system of being arranged to identical receive frequency and wireless stereo headsets music are come out.
Though the utility model is described with reference to above specific embodiment, but technician in the art will be appreciated that, above embodiment is used for illustrating the utility model, under the situation that does not break away from the utility model spirit, can also make the variation and the modification of various equivalences, therefore, as long as variation, the distortion to the foregoing description all will drop in the scope of the utility model claims in connotation scope of the present utility model.
Claims (5)
1. automobile specified wireless digital music player, it is characterized in that, comprise: as the main control module of music player control center, can be used for providing the external memory data memory module, can for external device (ED) carry out data transmission USB interface, can be in order to the LCD display that shows the main control module option, decipher processing in order to voice data to MP3 format, and to the data after the decoding carry out MP3 decoding module that D/A switch, signal amplify, in order to the FM multiplex transmitter module of emission FM signal; MP3 decoding module, FM multiplex transmitter module, LCD display, memory module, USB interface electrically connect with the main control module respectively, and MP3 decoding module and FM multiplex transmitter module electrically connect.
2. automobile specified wireless digital music player as claimed in claim 1 is characterized in that: the power circuit that electrically connects with above-mentioned main control module in this player is connected to the 12V power supply of automobile cigarette lighter.
3. automobile specified wireless digital music player as claimed in claim 2, it is characterized in that: the both sides that this player and automobile cigarette lighter carry out the Plug Division that power supply is connected are provided with two flat spring sheets, and the breadth extreme between the two above-mentioned flat spring sheets is greater than the diameter of automobile cigarette lighter jack inwall.
4. automobile specified wireless digital music player as claimed in claim 1 is characterized in that: the main part of this player articulates with the Plug Division of inserting automobile cigarette lighter.
5. automobile specified wireless digital music player as claimed in claim 4, it is characterized in that: the main part of this player has two lugs, the Plug Division of inserting automobile cigarette lighter is provided with a protuberance, above-mentioned protuberance both sides are provided with two little protruding axles, this protuberance is articulated between two above-mentioned lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087477 CN2845019Y (en) | 2005-09-22 | 2005-09-22 | Special automotive digital radio musci player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087477 CN2845019Y (en) | 2005-09-22 | 2005-09-22 | Special automotive digital radio musci player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2845019Y true CN2845019Y (en) | 2006-12-06 |
Family
ID=37486963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520087477 Expired - Fee Related CN2845019Y (en) | 2005-09-22 | 2005-09-22 | Special automotive digital radio musci player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2845019Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383669B (en) * | 2007-09-05 | 2010-12-01 | 乐金电子（昆山）电脑有限公司 | Duplicate playing data transmitting and receiving apparatus and method using pulse signal |
-
2005
- 2005-09-22 CN CN 200520087477 patent/CN2845019Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383669B (en) * | 2007-09-05 | 2010-12-01 | 乐金电子（昆山）电脑有限公司 | Duplicate playing data transmitting and receiving apparatus and method using pulse signal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |