CN2613855Y - Digital music player - Google Patents
Digital music player Download PDFInfo
- Publication number
- CN2613855Y CN2613855Y CN 02294737 CN02294737U CN2613855Y CN 2613855 Y CN2613855 Y CN 2613855Y CN 02294737 CN02294737 CN 02294737 CN 02294737 U CN02294737 U CN 02294737U CN 2613855 Y CN2613855 Y CN 2613855Y
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- China
- Prior art keywords
- digital music
- storage device
- music player
- power
- digital
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- 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.)
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- 230000006870 function Effects 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 235000012431 wafers Nutrition 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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Abstract
Disclosed is a digital music player, in particular to the player which can provide the digital music with the previous design of not changing the stereo and radio, also can engage with the functions of stereo, frequency modulation and amplitude modulation of radio and cassette, moreover, digital music of the different storage device can be read from the interface of the storage device. The utility model comprises a storage device connector, an interface wafer of the storage device, a digital music decoding unit, a message output unit and a power supply unit, also includes digital music database which can be read the different storage device for the users. The utility model not only has the functions of stereo, frequency modulation and amplitude modulation of radio and cassette radio signal with the radio signal way, but also can receive and play the digital music.
Description
Technical field
A kind of digital music player, this refers to that especially a kind of user of providing can read the digital music data of different storing devices, and be passed to sound equipment, radio with radio signals, it is removed have frequency modulation, amplitude modulation or cassette tape dial playing function and also can receive and play digital music.
Background technology
See also shown in Figure 1, it is the structure of present digital music player 1, it mainly includes a mnemon 11, one digital music broadcast unit 12, one earphone jack 13 and an earphone 14, and mainly all be to provide record digital music data with mnemon 11, this mnemon 11 can be fast flash memory bank or memory card, for example: CF, MD, SD, MMC, SM, MS, but because the finite capacity of mnemon 11, no matter be fast flash memory bank or memory card, generally all have only 256MB to 512MB, compel the user must be frequent renewal or substitute mnemon 11 memory cards) very inconvenient in the use; And in the streets comparatively be easy to carry at present and jumbo data storage device, many carry-on dish based on the USB interface, not only capacity is recalled bit group (1GB) up to ten, and the carry-on dish of USB interface can be common to the information product of various styles, therefore if the mnemon 11 of the formula of habit digital music player 1 can be increased the function that reads carry-on dish, then the utilization benefit of digital music can be significantly promoted, and the puzzlement of the frequent data for updating of user can be avoided.
Moreover, listen to digital music and be not limited in the family, also be the place of having an opportunity to listen to digital music onboard, but present automobile audio does not all provide the relevant equipment of playing digital music, this user demand utmost point is treated the industry improvement.
Summary of the invention
The utility model creator is because digital music player shortcoming in the use, the active research improvement, go through great innovation and breakthrough, there be of the present utility model finishing beginning, it mainly is made up of a storage device joint, a storage device interface wafer, a digital music decoding unit, a message output unit and a power-supply unit, so that the digital music that reads different digital storage devices data to be provided, and transmit in the radio signals mode, make its sound equipment, radio reception function receive and play digital music with frequency modulation, amplitude modulation or cassette tape playing function.
Fundamental purpose of the present utility model, be to be to provide a kind of digital music player, this refers to that especially a kind of user of providing can read the digital music data of different digital storage devices, and transmit in the mode of radio signals, make its sound equipment, radio, can receive and play digital music with frequency modulation, amplitude modulation or cassette tape playing function.
The purpose of this utility model is to realize like this, the utility model is a kind of digital music player, and it mainly is made up of a storage device joint, a storage device interface wafer, a digital music decoding unit, a message output unit and a power-supply unit:
One storage device joint is the plug that can peg graft storage device;
One storage device interface wafer is one to can read the data of this storage device internal memory;
One digital music decoding unit is that one the digital music data that is read by storage device can be converted to can be for the music signal of playing;
One message output unit is that the data modulation that the digital music decoding unit transmits is become radio signals and emission, is received and plays for sound equipment, radio;
One power-supply unit provides the required electric power of digital music player;
By forming of said elements, reading the storage device of high storage capacity, and make and do not have a sound equipment of digital music playing function and can play digital music.
This message output unit can be FM circuit.
This message output unit can be modulation circuit.
This digital music player more comprises an amplifier, with the audible signals of this digital music decoding unit output that gains.
The power source of this power-supply unit can be the battery electric power supply.
This its power-supply unit of digital music player more can comprise:
One attaching plug provides the required extraneous electric power of grafting digital music player;
One power supply changeover device is that the input power conversions with attaching plug is the operating voltage that meets the digital music player.
This message output unit can change with a casette and an extension wire for it, and this extension wire connects casette and digital music player respectively;
By this casette, the user can put into casette sound equipment or wireless cassette tape groove, and the digital music player can be transferred to the magnetic head of sound equipment, radio cassette tape groove by this casette with the digital music signal, for playing this digital music.
This storage device joint is the slot of a digital memory card, this memory card be at least memory card CF, MD, SD, MMC, SM, MS one of them.
This storage device joint is the slot of a USB interface.
Said structure of the present utility model makes its sound equipment with frequency modulation, amplitude modulation or cassette tape playing function, radio reception function receive and play digital music.
Description of drawings
Fig. 1 is known digital music player calcspar.
Fig. 2 is the calcspar of the utility model digital music player embodiment 1.
Fig. 3 is the calcspar of the utility model digital music player embodiment 2.
Fig. 4 is the calcspar of the utility model digital music player embodiment 3.
Fig. 5 is the calcspar of the utility model digital music player embodiment 4.
Important figure number explanation
Digital music player 1 mnemon 11
Digital music broadcast unit 12 earphone jacks 13
Earphone 14 digital music players 2
Digital music decoding unit 23 message output units 24
Power-supply unit 25 attaching plugs 251
Power supply changeover device 252 amplifiers 26
Embodiment
At first see also shown in Figure 2, it is the utility model specific embodiment block schematic diagram, it mainly is made up of a storage device joint 21, a storage device interface wafer 22, a digital music decoding unit 23, a message output unit 24 and a power-supply unit 25, wherein:
One storage device joint 21 is one can be for the joint of grafting storage device, for example: memory card slot, USB joint ... etc., and storage device can be carry-on dish, the memory card of USB interface, for example: CF, MD, SD, MMC, SM, MS etc.;
One storage device interface wafer 22 is one to can read the data of this storage device internal memory;
One digital music decoding unit 23 is that one the digital music data that is read by storage device can be converted to can be for the music signal of playing;
One message output unit 24 is that the data modulation that the digital music decoding unit transmits is become radio signals and emission, is received and plays for sound equipment, radio, and this output unit can be frequency modulation or amplitude modulation radiating circuit;
One power-supply unit 25 provides the required electric power of digital music player 2, and the power source of this power-supply unit 25 can be the battery electric power supply:
By forming of said elements, the user can be plugged in digital storage device the storage device joint of digital music player 2 of the present utility model, the digital music data that is read in this number storage device by storage device interface wafer 22 is passed to digital music decoding unit 23, and digital music decoding unit 23 with its decoding after message output unit 24 is launched after being tuned as radio signals, receive and play this digital music for sound equipment, radio.
See also shown in Figure 3, it is the utility model the 2nd embodiment block schematic diagram, for the audible signals that makes 2 its digital music decoding unit 23 outputs of digital music player can have higher gain, can increase the audible signals of an amplifier 26 with 23 outputs of gain digital music decoding unit.
See also shown in Figure 4, it is the utility model the 3rd embodiment side synoptic diagram of determining, for making operational mode of the present utility model comparatively extensive, so message output unit 24 of this digital music player 2, can change with a casette 27 and an extension wire 28 for it, this extension wire 28 connects casette 27 and digital music player 2 respectively; By this casette 27, the user can put into casette sound equipment or wireless cassette tape groove, and digital music player 2 can be transferred to the magnetic head of sound equipment, radio cassette tape groove by this casette 27 with the digital music signal, for playing this digital music.Since the digital music player read digital music to make flowing mode identical with embodiment 1, and casette is known commentaries on classics circle device, is not feature of the present utility model, so seldom give unnecessary details.
In addition, seeing also shown in Figure 5ly, is the block schematic diagram of the utility model embodiment 4, obtains comparatively diversification for making its power supply of the utility model, so this power-supply unit 25 more can comprise:
One attaching plug 251 provides the required extraneous electric power of grafting digital music player 2, for example the plug of the plug of domestic power supply, automobile cigarette lighter;
One power supply changeover device 252 is that the input power conversions with attaching plug 251 is the operating voltage that meets digital music player 2; By forming of said elements,, the user utilized domestic power supply or automobile power source so that being provided.
In sum, the utlity model has outside the digital music data that reads the storage device interface, and can the radio transmission mode transmit, make it have frequency modulation, the sound equipment of amplitude modulation or cassette tape playing function, the specific embodiment that radio reception function broadcast digital music person is proposed in the detailed description of preferred embodiment is only in order to convenient explanation technology contents of the present invention, but not with the utility model narrow sense be limited to the foregoing description, under the situation that does not exceed spirit of the present utility model and following claim, the many variations of being done is implemented, and still belongs to scope of the present utility model.
Claims (9)
1, a kind of digital music player, it mainly is made up of a storage device joint, a storage device interface wafer, a digital music decoding unit, a message output unit and a power-supply unit, it is characterized in that:
One storage device joint is the plug that can peg graft storage device;
One storage device interface wafer is one to can read the data of this storage device internal memory;
One digital music decoding unit is that one the digital music data that is read by storage device can be converted to can be for the music signal of playing;
One message output unit is that the data modulation that the digital music decoding unit transmits is become radio signals and emission, receives and plays for sound equipment, radio;
One power-supply unit provides the required electric power of digital music player;
By forming of said elements, reading the storage device of high storage capacity, and make sound equipment can play digital music with digital music playing function.
2, digital music player as claimed in claim 1 is characterized in that, this message output unit can be FM circuit.
3, digital music player as claimed in claim 1 is characterized in that, this message output unit can be modulation circuit.
4, digital music player as claimed in claim 1 is characterized in that, this digital music player more comprises an amplifier, the audible signals of this digital music decoding unit output that gains.
5, digital music player as claimed in claim 1 is characterized in that, the power source of this power-supply unit can be the battery electric power supply.
6, digital music player as claimed in claim 1 is characterized in that, this its power-supply unit of digital music player more can comprise:
One attaching plug provides the required extraneous electric power of grafting digital music player;
One power supply changeover device is that the input power conversions with attaching plug is the operating voltage that meets the digital music player.
7, digital music player as claimed in claim 1 is characterized in that, this message output unit can be a casette and an extension wire, and this extension wire connects casette and digital music player respectively;
By this casette, the user can put into casette sound equipment or wireless cassette tape groove, and the digital music player can be transferred to the magnetic head of sound equipment, radio cassette tape groove by this casette with the digital music signal, plays this digital music, to play this digital music.
8, digital music player as claimed in claim 1 is characterized in that, this storage device joint is the slot of a digital memory card, this memory card be at least memory card CF, MD, SD, MMC, SM, MS one of them.
9, digital music player as claimed in claim 1 is characterized in that, this storage device joint is the slot of a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02294737 CN2613855Y (en) | 2002-12-26 | 2002-12-26 | Digital music player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02294737 CN2613855Y (en) | 2002-12-26 | 2002-12-26 | Digital music player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2613855Y true CN2613855Y (en) | 2004-04-28 |
Family
ID=34238760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02294737 Expired - Fee Related CN2613855Y (en) | 2002-12-26 | 2002-12-26 | Digital music player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2613855Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372021C (en) * | 2005-01-24 | 2008-02-27 | 倚天资讯股份有限公司 | Audio signal transferring apparatus and method |
-
2002
- 2002-12-26 CN CN 02294737 patent/CN2613855Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372021C (en) * | 2005-01-24 | 2008-02-27 | 倚天资讯股份有限公司 | Audio signal transferring apparatus and method |
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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 |