CN1811735A - Portable audio-frequence player device and its drive method - Google Patents
Portable audio-frequence player device and its drive method Download PDFInfo
- Publication number
- CN1811735A CN1811735A CN 200510032905 CN200510032905A CN1811735A CN 1811735 A CN1811735 A CN 1811735A CN 200510032905 CN200510032905 CN 200510032905 CN 200510032905 A CN200510032905 A CN 200510032905A CN 1811735 A CN1811735 A CN 1811735A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- user
- file
- stage
- portable audio
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 24
- 230000005055 memory storage Effects 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 9
- 239000000284 extract Substances 0.000 claims description 3
- 230000006870 function Effects 0.000 description 11
- 238000004088 simulation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Images
Landscapes
- Collating Specific Patterns (AREA)
Abstract
Present invention relates to portable audio player consisting of key input unit, display unit, supply unit, encoder, decoder, D/A converter, and audio output device. Present invention also includes storage device for storing respectively fingerprint and file information according to different user, fingerprint identification transducer for identifying inputted fingerprint and generating fingerprint information, controller for judging above-mentioned fingerprint information and whether passing authenticate, extracting said user logging file and outputting. Present invention can reduce lose and play according to user fancy format.
Description
Technical field
The present invention relates to portable audio-frequence player device and driving method thereof that the finger print information that utilizes the user drives.
Background technology
MPEG (Moving Picture Experts Group) is mobile image and multimedia expert group under the tissue of the International Organization for Stand (ISO) and international electrical equipment standards meetings international standard mechanisms such as (IEC), unified specification according to the rules, the video of unifying to provide and the compression of sound signal, transmission and technical standard such as reduction again.
Simultaneously, the meaning of MP3 is MPEG-1 Audio Layer-3, and it also is a content in the audio-frequency unit that is comprised in the MPEG technology.Its uses mpeg audio compress technique, uses this technology the audio music information size of CD can be reduced to original 1/12.
Development along with science and technology and digital audio-frequency data treatment technology, except that sound store media such as existing cartridge, the exploitation that the voice data that can store (that is audio sound information) memory unit reaches such as portable digital audio-frequency playback equipments such as MP3 players just extensively launches in the whole world.
Fig. 1 is the formation block diagram of existing MP3 player.With reference to Fig. 1 as can be known, the MP3 player comprises: press key input device 100, control device 105, display device 110, supply unit 115, scrambler 120, memory storage 125, demoder 130, D/A conversion equipment 135, audio output device 140, earphone jack 145.
Here, by the control that control device 105 is carried out, the voice data (for example: song, linguistics learning materials, music etc.) that is stored in the memory storage 125 is play by earphone jack 145.
Above-mentioned press key input device 100 comprises parts such as play button, Menu key, Pause key and selected songs key, by these devices, whether decision plays the voice data that is stored in the memory storage 125, and the functions such as demonstration form on player method and the display device 110.Certainly, can comprise locking (HOLD) switch in this device yet, utilize this key, even the user has carried out the button input, the MP3 player can not move any function yet.
(for example can demonstrate the identifying information of memory storage 125, the voice data information play by above-mentioned display device 110,: bent name, reproduction time, the playing sequence information of associated song, folder information etc.) and the information such as operating state of MP3 player.
By the shown information of above-mentioned display device 110, be decided by which kind of function this MP3 player comprises, showing by display device 110 needs all information of informing to the user in the function information that these MP3 players can move.
115 of above-mentioned supply units are to be used to provide needed power supply, so that the MP3 player can normally move.
Above-mentioned supply unit 115 also can be such as protable power units such as rechargeable battery, dry cells, or is used to connect the interface arrangement of external power source.
105 of above-mentioned control device have following control function: when the user operates by press key input device 100, can control parts such as press key input device 100, display device 110, supply unit 115, scrambler 120 and demoder 130, so that can pass through headphone, the voice data in being stored in the memory storage 125 is play.
120 of above-mentioned scramblers receive external analog signal by the controls of control device 105 from equipment such as CD or cartridge, sound recording, and are mp3 file with this conversion of signals, and it is stored in the memory storage 125.
130 controls by control device 105 of above-mentioned demoder read out the mp3 file information that is stored in the memory storage 125, and decode (decoding), to generate the digital audio data.
The function of above-mentioned D/A conversion equipment 135 is as follows: will be converted to simulating signal by the digital audio data that demoder 130 is generated, and generate the audio frequency simulation data.
The function of above-mentioned audio output device 140 is as follows: will carry out amplification and waveform regularization by D/A conversion equipment 135 received audio frequency simulation data, and will provide voice data to the user through the audio frequency simulation data of amplification by being inserted into the headphone in the earphone jack 145 with optimal play out quality.
Simultaneously, the MP3 player can also comprise with the lower part: be used for the communication interface that is connected with computer, mobile communication terminal and individual portable terminal external voice data storage mediums such as (PDA:Personal Digital Assistant); Can make rechargeable battery in the supply unit 115 directly from the charging inlet device of external charging; Wired and Digiplex receives control signal from the outside, and is transferred to the remote control signal receiver etc. of control device 105.
Be built-in with storer in the MP3 player, like this, need not to insert existing sound store media, play for a long time under the prerequisite that it also can reduce in the tonequality of voice data.
And, can receive and store the source of sound (for example, music, linguistics learning materials, song etc.) of various forms, and these sound source signals can be converted to mp3 file and record, and can play.
But the existing problem of above-mentioned existing MP3 player is: if lose, others also can normally use.
Simultaneously, in existing DVD/ karaoke equipment, the mode of utilizing telepilot to key in is provided with father and mother's locks (parental Key), and this mode also exists signal easily by problem that other people obtain.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of portable audio-frequence player device and driving method thereof: can reduce the loss that device losses causes, and the form that can select the user to like is play to voice data with following function.
To achieve these goals, portable audio-frequence player device of the present invention is by press key input device, display device, supply unit, scrambler, demoder, D/A conversion equipment and audio output device constitute, and its feature comprises: the memory storage that finger print information and fileinfo are stored respectively according to different user; The fingerprint that the user imported is discerned, and generated the fingerprint Identification sensor of finger print information; Whether the finger print information that above-mentioned fingerprint Identification sensor transmitted be stored in the above-mentioned storer judge, and to whether starting outfit is judged, if by the user of authentication, the control device of file that just extracts this user and logined and output.
Above-mentioned fingerprint Identification sensor is installed in the outside of portable audio-frequence player device.
The finger print information that has predefined some in the above-mentioned memory storage.
The driving method of the portable audio-frequence player device among the present invention with memory storage, its feature comprises: when electric power starting, just point out the user to import user authentication information, and judge whether the user authentication information that above-mentioned user imports is stored in the above-mentioned memory storage, the result of above-mentioned judgement, be stored in the above-mentioned memory storage as the user authentication information of being imported, just can play user-selected file.
Above-mentioned authentication information is a fingerprint information.
The result of above-mentioned judgement, when above-mentioned authentication information has been stored in the above-mentioned memory storage, the stage that above-mentioned user-selected file is play is: the file that above-mentioned user logined is retrieved, if the order that above-mentioned user's input is play the above-mentioned file that retrieves is just play above-mentioned file; If the order that above-mentioned file is play that does not receive above-mentioned user and imported, then picture is selected in display file, then user-selected file is play.
The result of above-mentioned judgement, if in the Already in above-mentioned memory storage of above-mentioned authentication information, the stage that above-mentioned user-selected file is play is to show initial picture, and user-selected file is play.
The invention provides portable audio-frequence player device and driving method thereof: can reduce the loss that device losses causes, and can play according to the form that the user liked with following effect.
Simultaneously, the present invention also provides and has only the portable audio-frequence player device and the driving method thereof that can use equipment by the user of fingerprint recognition authentication.
Description of drawings
Fig. 1 is existing MP3 player structured flowchart.
Fig. 2 is the MP3 player structured flowchart of the present invention's desirable embodiment.
Fig. 3 is the MP3 player operation method process flow diagram of the present invention's desirable embodiment.
Fig. 4 is the file read method process flow diagram of user preferences of the present invention's desirable embodiment.
Accompanying drawing major part symbol description
100,200: press key input device 105,205: control device
110,210: display device 115,215: supply unit
120,220: scrambler 125,225: memory storage
130,230: demoder 135,235:D/A conversion equipment
140,240: audio output device 145,245: earphone jack
250: fingerprint Identification sensor
Embodiment
Below with reference to accompanying drawings desirable embodiment of the present invention is elaborated.
Fig. 2 is the MP3 player structured flowchart of the present invention's desirable embodiment.
As shown in Figure 2, MP3 player of the present invention comprises with the lower part: press key input device 200, control device 205, display device 210, supply unit 215, scrambler 220, memory storage 225, demoder 230, D/A conversion equipment 235, audio output device 240, earphone jack 245 and fingerprint Identification sensor 250.
Here, by the control of control device 205, the voice data (for example, song, linguistics learning stuff, music etc.) that is stored in the memory storage 225 is play by earphone jack 245.
Above-mentioned press key input device 200 comprises play button, Menu key, Pause key and selection song key etc., by these buttons whether can determine to play to being stored in voice data in the memory storage 225, the show state of player method and display device 210 etc.Certainly, can comprise locking (HOLD) switch in this partial devices in addition yet, utilize this button, even the user has carried out the button input, the MP3 player can not move any function yet.
250 pairs of finger print informations that the user imported of above-mentioned fingerprint Identification sensor are discerned, and finger print information is transferred to control device 205.Above-mentioned fingerprint Identification sensor 250 can be installed on the outside of MP3 player.For example, above-mentioned fingerprint Identification sensor 250 can be installed in the back side of MP3 player, the part of sensor installation should cover, when not using at ordinary times, just this part is covered, when needs input fingerprint with lid, lid can be opened, carry out fingerprint recognition.
The finger print information that 205 pairs of above-mentioned fingerprint Identification sensors 250 of above-mentioned control device are transmitted with in advance canned data compare and judge.Be 205 pairs of above-mentioned inputs of above-mentioned control device finger print information whether in advance the user profile of login judge.If the result of above-mentioned judgement, above-mentioned finger print information is the information of logining in advance, just above-mentioned control device 205 starts above-mentioned MP3 player.Therefore, the people who has this MP3 player several people that can only allow the purchaser and permitted uses this MP3 player.
Simultaneously, 205 pairs of finger print informations that transmitted from above-mentioned fingerprint Identification sensor 250 of above-mentioned control device carry out interpretation, and from above-mentioned memory storage 225, extract this user's file, therefore, be not only the people who buys this MP3 player, and also can set oneself file (voice data) respectively through the user of permission, and and can be as required, the user's that appended fingerprint is deleted.
In addition, above-mentioned control device 205 can be stored into finger print information and the voice data that the user imported in the memory storage.
On the other hand, above-mentioned control device 205 control press key input devices 200, display device 210, supply unit 215, scrambler 220, demoder 230 etc., the operation of being undertaken by press key input device 200 according to the user, make the voice data of being stored in the memory storage 225, export by earphone jack.
Above-mentioned memory storage 225 stored finger print information and the file (voice data) that the user imports.Above-mentioned file (voice data) and above-mentioned finger print information are stored respectively according to different user together.
Above-mentioned display device 210 shows the identifying information in the memory storage 225, the voice data information of playing (for example, the playing sequence information of bent name, reproduction time, relevant song, folder information etc.), the running status of MP3 player etc.
Are function decisions of being had by relevant MP 3 players by above-mentioned display device 210 shown information, show all information that are necessary in the function information that these MP3 players are had to associated user's notice by display device 210.
Above-mentioned supply unit 215 provides power supply to the MP3 player, so that it can normally move.
Above-mentioned supply unit 215 can be compact powers such as rechargeable battery, dry cell or the interface arrangement that is used to connect external power source.
Above-mentioned scrambler 220 is by the control of above-mentioned control device 205, from CD, cartridge, or receives simulating signal in the external unit such as sound sound pick-up outfit, and is mp3 file with this conversion of signals, and stores in the memory storage 225.
Above-mentioned demoder 230 reads out the mp3 file information of being stored by the control of control device 205 from memory storage 225, and decode (decoding), generates the digital audio data.
Above-mentioned D/A conversion equipment 235 is converted to simulating signal with the digital audio data that demoder 230 is generated, and generates the audio frequency simulation data.
Above-mentioned audio output device 240 will carry out amplification and waveform regularization from the audio frequency simulation data that D/A conversion equipment 235 is received, and will export by the headphone that is inserted in the earphone jack 245 through the audio frequency simulation data of amplification, so that the voice data of user's best tonequality pleasant to hear.
In addition, the MP3 player can also comprise with the lower part: be used for the communication interface that is connected with computer, mobile communication terminal and individual portable terminal external voice data storage mediums such as (PDA:Personal Digital Assistant); The charging inlet device that can make the rechargeable battery in the supply unit 115 directly connect external power source and charge; Be used for from the outside that wired and Digiplex receives control signal, and be transferred to the remote control signal receiver etc. of control device 105.
Fig. 3 is the MP3 player operation method process flow diagram of desirable embodiment among the present invention.
As shown in Figure 3, when the user opens the MP3 player (S300), just explicit user authenticates picture (S302).
The user authenticates picture as requested, imports fingerprint by fingerprint Identification sensor.
Above-mentioned MP3 player receives the finger print information (S304) that above-mentioned user imports, and just can compare judgement (S306) to above-mentioned finger print information and the finger print information of having logined in advance.That is, above-mentioned MP3 player judges whether received above-mentioned finger print information is present in the finger print information of prior login.
Judged result according to the stage 306, if received above-mentioned finger print information is the finger print information of logining in advance in the memory storage, above-mentioned MP3 player judges that just above-mentioned user is the user by authentication, and demonstrates initial picture (S308) in display device.
Above-mentioned user is by selecting needed file in the shown initial picture.
Next, above-mentioned MP3 player is just play (S310) to above-mentioned user-selected file.
Fig. 4 is the file read method process flow diagram according to user preferences of the present invention's desirable embodiment.
As shown in Figure 4, MP3 player power supply opening (S400) just judges by the finger print information that the user imported whether above-mentioned user is the user (S402) of process authentication.That is, after the above-mentioned MP3 player opening power, just can require the user to import finger print information, the user imports the fingerprint of oneself by fingerprint Identification sensor after the requirement of seeing the input finger print information.Next, whether above-mentioned MP3 player just can conform to the prior finger print information of storing to received finger print information and judge.The result of above-mentioned judgement works as the above-mentioned finger print information of importing and conforms to the finger print information of storage in advance, and above-mentioned MP3 player can judge that just above-mentioned user is the user by authentication.
Judged result in the stage 402 if above-mentioned user is that above-mentioned MP3 player just can be retrieved the file that above-mentioned user logined by the user of authentication, and shows (S404) in display device.
Like this, above-mentioned MP3 player can inquire just whether above-mentioned user plays (S406) to shown file.
In the above-mentioned stage 406, if the result of inquiry is that above-mentioned user wishes shown file is play, just above-mentioned MP3 player can be play (S408) to associated documents.
If in the result of above-mentioned 406 stages inquiry, above-mentioned user does not wish shown file is play, just above-mentioned MP3 player can come display file to select picture (S410) by display device.Above-mentioned file selects not only can comprise in the picture user oneself file of login in advance, and can comprise a plurality of files of other users of prior login.
Above-mentioned user selects the picture and selecting file by above-mentioned shown file, and above-mentioned MP3 player just can be play (S412) to above-mentioned user-selected file.
As another embodiment of the present invention, in DVD/ Karaoke playback equipment and telepilot thereof, can add fingerprint Identification sensor respectively, and to watching that restricted information sets, or father and mother's locks (parental lock) are set.That is, for the user of login authentication not, or people's DVD playing back program of discontented 19 years old limits, and makes it and can not play, or according to user's difference, play special scenes or particular track.
That is, discern fingerprint by utilizing fingerprint Identification sensor, so that the user is carried out login authentication, the user for by authentication provides various programs.
By above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.Therefore, the technical scope of this invention is not limited to the content on the instructions, must determine its technical scope according to interest field.
Claims (8)
1, a kind of portable audio-frequence player device, by press key input device, display device, supply unit, scrambler, demoder, D/A conversion equipment and audio output device constitute, and it is characterized in that, and above-mentioned portable audio-frequence player device comprises:
The memory storage of respectively finger print information and fileinfo being stored according to different user;
The fingerprint that the user imported is discerned, and generated the fingerprint Identification sensor of finger print information;
Whether the finger print information that above-mentioned fingerprint Identification sensor transmitted be stored in the above-mentioned storer judge, thereby judge whether starting outfit, if by the user of authentication, the file that then extracts this user and logined and the control device of output.
2, portable audio-frequence player device as claimed in claim 1, its feature comprises:
Above-mentioned fingerprint Identification sensor is installed in the outside of portable audio-frequence player device.
3, portable audio-frequence player device as claimed in claim 1, its feature comprises:
Store finger print information in the above-mentioned memory storage in advance.
4, a kind of driving method of portable audio-frequence player device, its feature comprises:
During power-on, the prompting user imports the stage of user authentication information;
Judge whether user authentication information that above-mentioned user imports has been stored in the stage in the above-mentioned memory storage;
The result of above-mentioned judgement, if above-mentioned user authentication information has been stored in the above-mentioned memory storage, stage that user-selected file is play then.
5, the driving method of portable audio-frequence player device as claimed in claim 4, its feature comprises:
Above-mentioned authentication information is a finger print information.
6, the driving method of portable audio-frequence player device as claimed in claim 4, it is characterized by, the result of above-mentioned judgement, if above-mentioned authentication information has been stored in the above-mentioned memory storage, then the stage that above-mentioned user-selected file is play also comprised with the next stage:
The stage that the file that above-mentioned user logined is retrieved; If the order that above-mentioned user's input is play the above-mentioned file that retrieves, the then stage that above-mentioned file is play.
7, the driving method of portable audio-frequence player device as claimed in claim 6, its feature comprises:
If do not receive the order that above-mentioned user plays the above-mentioned file that retrieves, then picture, the stage that user-selected file is play are then selected in display file.
8, the driving method of portable audio-frequence player device as claimed in claim 4 is characterized by, the result of above-mentioned judgement, if above-mentioned user authentication information has been stored in the above-mentioned memory storage, then the stage that user-selected file is play comprises:
Show the initial picture stage; The stage that user-selected file is play.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510032905 CN1811735A (en) | 2005-01-27 | 2005-01-27 | Portable audio-frequence player device and its drive method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510032905 CN1811735A (en) | 2005-01-27 | 2005-01-27 | Portable audio-frequence player device and its drive method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1811735A true CN1811735A (en) | 2006-08-02 |
Family
ID=36844666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510032905 Pending CN1811735A (en) | 2005-01-27 | 2005-01-27 | Portable audio-frequence player device and its drive method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1811735A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494072B (en) * | 2009-03-06 | 2010-12-29 | 惠州市数码特信息电子有限公司 | Hard disk player and video file encryption method |
| CN102360562A (en) * | 2011-05-25 | 2012-02-22 | 刘继辉 | MP4 player with fingerprint identification function |
| CN102611794A (en) * | 2012-03-13 | 2012-07-25 | 青岛海信移动通信技术股份有限公司 | Method and equipment for controlling audio playing |
| CN105321543A (en) * | 2015-10-23 | 2016-02-10 | 太仓市新志杰电子科技有限公司 | Player with identity recognition function |
| CN106358104A (en) * | 2015-07-15 | 2017-01-25 | 视讯联合科技股份有限公司 | Earphone with hidden video screen and multiple sensors |
| WO2017166606A1 (en) * | 2016-03-31 | 2017-10-05 | 乐视控股(北京)有限公司 | Audio playback method and apparatus, terminal device, electronic device, and storage medium |
-
2005
- 2005-01-27 CN CN 200510032905 patent/CN1811735A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494072B (en) * | 2009-03-06 | 2010-12-29 | 惠州市数码特信息电子有限公司 | Hard disk player and video file encryption method |
| CN102360562A (en) * | 2011-05-25 | 2012-02-22 | 刘继辉 | MP4 player with fingerprint identification function |
| CN102611794A (en) * | 2012-03-13 | 2012-07-25 | 青岛海信移动通信技术股份有限公司 | Method and equipment for controlling audio playing |
| CN106358104A (en) * | 2015-07-15 | 2017-01-25 | 视讯联合科技股份有限公司 | Earphone with hidden video screen and multiple sensors |
| CN105321543A (en) * | 2015-10-23 | 2016-02-10 | 太仓市新志杰电子科技有限公司 | Player with identity recognition function |
| WO2017166606A1 (en) * | 2016-03-31 | 2017-10-05 | 乐视控股(北京)有限公司 | Audio playback method and apparatus, terminal device, electronic device, and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100492525C (en) | Method and apparatus for activating automatic equalization mode | |
| CN1155002C (en) | Communication system and method, and communication apparatus and method | |
| CN1190793C (en) | Recording and recovery device and method, terminal device, sending and receiving method, and storage medium | |
| US7170828B2 (en) | Removable face plate compressed digital music player | |
| CN1246853C (en) | Multi-format personal digital audio player | |
| CN1845591A (en) | Kara-Ok receiver | |
| CN1160632C (en) | Method and apparatus for processing digitally encoded audio data | |
| JP6821212B1 (en) | Optical identification recording system | |
| CN1212425A (en) | Method and device for displaying selection buttons on CD playback system | |
| CN1595470A (en) | Study method and apparatus using digital audio and caption data | |
| CN1811735A (en) | Portable audio-frequence player device and its drive method | |
| US20040254661A1 (en) | Wireless sound apparatus having a MP3 encoder/decoder/recorder IC unit | |
| CN1819707A (en) | Microphone of carok | |
| CN2777881Y (en) | Karaoke microphone receiver | |
| US20080285958A1 (en) | Storage apparatus for digital/analog tv audio/video media | |
| CN1728269A (en) | Music selection apparatus, music selection system and music selection method | |
| US20080148923A1 (en) | Music player and a method of playing music therein | |
| CN1794799A (en) | Program recording device and recording method | |
| JP4452642B2 (en) | Karaoke system | |
| CN1627800A (en) | Device for synthesizing and editing audio and video based on TV set | |
| CN210927856U (en) | Audio effect processing device and system | |
| CN101188106A (en) | A sing accompanying system and method applied on portable electronic device | |
| CN1812631A (en) | Earphone equipment with functional key and controlling method for operation thereof | |
| JP2006276548A (en) | Karaoke system | |
| CN1617106A (en) | A digital music conversion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |