CN201114350Y - Portable multimedia playing device with ultra-heavy and low-voice - Google Patents
Portable multimedia playing device with ultra-heavy and low-voice Download PDFInfo
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- CN201114350Y CN201114350Y CNU200720057517XU CN200720057517U CN201114350Y CN 201114350 Y CN201114350 Y CN 201114350Y CN U200720057517X U CNU200720057517X U CN U200720057517XU CN 200720057517 U CN200720057517 U CN 200720057517U CN 201114350 Y CN201114350 Y CN 201114350Y
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Abstract
The utility model relates to a portable multimedia playing device with mega bass which comprises a central processing unit (CPU), a control signal input device, a display content/sound effect receiving module, a CD-ROM, a television receiving module, a decoder/demodulator, a small display, a left track power amplifier device, a right track power amplifier device and a mega bass power amplifier device; the left track power amplifier device, the right track power amplifier device and the mega bass power amplifier device all comprise a power amplifier module and a soundbox; the soundbox consists of a sealing box and a horn arranged on the sealing box; therefore, the utility model integrates the CD-ROM, the television signal receiving, the power amplifier as well as the display and processes the multimedia data by the CPU as well as the decoder/demodulator so as to lead the utility model to have double functions of simultaneously supporting the CD-ROM, the television signal receiving and the heavy bass; the sound quality effect can be effectively improved by the power amplifier technology which adopts the design of combining the power amplifier module with the soundbox in particular.
Description
Technical field
The utility model relates to a kind of multimedia playing apparatus, refers in particular to a kind of portable multi-media playing apparatus that promotes acoustical quality and band mega bass.
Background technology
Along with advancing by leaps and bounds of science and technology, emerge increasing audio-visual recording and presentation device, media player (Portable Media Player more than various the carrying appears on the market especially in recent years, be called for short PMP), it has the function of formatted files such as playing back music, picture and film concurrently.At present, known portable media player is subjected to the restriction of output form, the application scenario is single, function is also less, for example lack mega bass and found out forceful surge perfect acoustics, also can't tackle diversified multimedia information and data file, broadcast loudspeaker in known multi-media player system adopted the design that directly embed player shell on especially in the industry, to dwindle the space that takies player, but can make the sound wave that loudspeaker produced cause counteracting each other, and then influence the acoustical quality of whole player.
The utility model content
The utility model is at the existing disappearance of above-mentioned known techniques, and main purpose is to provide a kind of portable multi-media playing apparatus that promotes acoustical quality and band mega bass.
For realizing above-mentioned purpose, the utility model is taked following technical scheme:
A kind of multimedia playing apparatus of portable band mega bass comprises:
One central processing unit is in order to handle the input/output signal of each functional module that is electrically connected with it;
One control signal input unit, it is electrically connected with central processing unit, works with input signal commands for controlling central processing unit;
One displaying contents/audio receiver module is in order to receive the signal of corresponding displaying contents/audio; It is electrically connected with above-mentioned central processing unit, controls its work by this central processing unit;
One CD-ROM drive, it is electrically connected with above-mentioned displaying contents/audio receiver module, by this receiver module CD in the CD-ROM drive is read action with the control command according to above-mentioned central processing unit;
One TV-set receiving module is in order to receive TV RF signals;
One decode/demodulates device, it is electrically connected with above-mentioned TV-set receiving module, displaying contents/audio receiver module, in order to this TV-set receiving module, signal that displaying contents/the audio receiver module is imported are decoded, demodulation;
One miniscope, this miniscope are connected on above-mentioned central processing unit and the decoding/demodulator, with receiving the vision signal of exporting in this central processing unit and this decode/demodulates device;
One left and right acoustic channels power amplification device, comprise left and right acoustic channels power amplifier module and resonant tank, this resonant tank is made of stuffing box and the left and right acoustic channels loudspeaker that are placed on the stuffing box, the input of this left and right acoustic channels effect module and above-mentioned decode/demodulates device electrically connect, and the left and right acoustic channels loudspeaker in output and this resonant tank electrically connect, handle so that the audio signal of this decode/demodulates device output is imported in this left and right acoustic channels power amplifier module, produce audio through the left and right acoustic channels loudspeaker; And
One mega bass power amplification device, itself and decode/demodulates device signal communication.
On above-mentioned displaying contents/audio receiver module, also be electrically connected an external interface device, this external interface device be provided with USB interface, with iPod matched interfaces or the three-in-one interface of SD/MMC/MS, plug with the interface that offers be complementary docking device and this external interface device.This external interface device is the drawer type drawing structure, and it comprises a drawing box, above-mentioned USB interface, all is installed on the base plate of this drawing box with iPod matched interfaces or the three-in-one interface of SD/MMC/MS.
Above-mentioned mega bass power amplification device is wireless mega bass power amplification device, wherein, be electrically connected a coded/modulated module on the output of above-mentioned decode/demodulates device, be electrically connected a wireless sending module on this coded/modulated module, by this coded/modulated module with the coding audio signal of decode/demodulates device output, modulation after wireless sending module outwards sends signal; Wireless mega bass power amplification device then comprises receiver module, decode/demodulates module, mega bass power amplifier module and the resonant tank that is electrically connected successively, this resonant tank is made of stuffing box and the mega bass loudspeaker that are placed on the stuffing box, this receiver module is in order to receive the transmission signal of above-mentioned wireless sending module, decode, handle in the input mega bass power amplifier module after the demodulation through this decode/demodulates module, produce audio through the mega bass loudspeaker again.Wireless technology in this is wireless mega bass power amplification device is infrared ray, bluetooth or wireless radio-frequency.
Above-mentioned mega bass power amplification device is wired mega bass power amplification device, it is by mega bass power amplifier module and resonant tank, this resonant tank is made of stuffing box and the mega bass loudspeaker that are placed on the stuffing box, the input of this mega bass power amplifier module and above-mentioned decode/demodulates device electrically connect, and the mega bass loudspeaker in output and this resonant tank electrically connect, handle so that the audio signal of this decode/demodulates device output is imported in this mega bass power amplifier module, produce audio through the mega bass loudspeaker.
Also be provided with one on the stuffing box of above-mentioned each resonant tank and be used for the phase-reversing tube that the sound phase place superposes.
Also be electrically connected a network connection device on the above-mentioned central processing unit, by this network connection device by network download multimedia and data file after central authorities handle operation, further export to displaying contents/audio receiver module handle to the decode/demodulates device show, broadcast work.This network connection device has INTERNET interface or SIM communication module.
On central processing unit, further be electrically connected a hard disk, in order to storage multimedia and data file.
Above-mentioned control signal input unit comprises remote controller, keyboard, Wireless Keyboard, touch-screen or game paddle.
The advantage of the utility model is as follows:
1, CD-ROM drive, TV signal reception, power amplifier and demonstration are integrated in one, and handle multimedia document by central processing unit, decode/demodulates device, make it can support simultaneously that CD-ROM drive, TV signal receive, the multi-functional of supper bass, especially power amplifier technology has adopted the design that power amplifier module combines with resonant tank, can promote acoustical quality effectively.
2, further can support to have USB interface, play that it can offer different digital products and directly be electrically connected or provide card-reading function with the external interface of iPod matched interfaces or the three-in-one interface of SD/MMC/MS.
3, further the multimedia and the data file of network enabled download are play.
4, further support the hard-disc storage function.
Description of drawings
Fig. 1 is an electrical block diagram of the present utility model;
Fig. 2 is a left and right acoustic channels resonant tank structural representation of the present utility model;
Fig. 3 is a mega bass resonant tank structural representation of the present utility model;
Fig. 4 is a surface structure schematic diagram of the present utility model.
The drawing reference numeral explanation:
1, central processing unit
2, control signal input unit 21, remote controller 22, keyboard 23, Wireless Keyboard 24, touch-screen 25, game paddle
3, displaying contents/audio receiver module
4, CD-ROM drive
5, TV-set receiving module
6, decode/demodulates device 61, coded/modulated module 62, wireless sending module
7, miniscope
8, left and right acoustic channels power amplification device 81, left and right acoustic channels power amplifier module 82, left and right acoustic channels resonant tank 821, stuffing box 822, left and right acoustic channels loudspeaker
9, wireless mega bass power amplification device 91, receiver module 92, decode/demodulates module 93, mega bass power amplifier module 94, mega bass resonant tank 941, stuffing box 942, mega bass loudspeaker 809, phase-reversing tube
10, external interface device 101, usb 1 02, with IPod matched interfaces 103, the three-in-one interface 104 of SD/MMC/MS, drawing box
11, network connection device 111, INTERNET interface 112, SIM card communication module
12, hard disk
200、IPod
300, shell 301, chute
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
See also Fig. 1～shown in Figure 4, a kind of multimedia playing apparatus of portable band IPod interface, comprise central processing unit 1, control signal input unit 2, displaying contents/audio receiver module 3, CD-ROM drive 4, TV-set receiving module 5, decode/demodulates device 6, miniscope 7, left and right acoustic channels power amplification device 8, wireless mega bass power amplification device 9, external interface device 10, network connection device 11, hard disk 12, wherein:
Central processing unit 1 is electrically connected with above-mentioned control signal input unit 2, displaying contents/audio receiver module 3, miniscope 7, network connection device 11, hard disk 12, in order to handle the input/output signal of each functional module that is electrically connected with it.
Control signal input unit 2, it is electrically connected with central processing unit 1, with 1 work of input signal commands for controlling central processing unit; This control signal input unit 2 can be any or multiple combination in remote controller 21, keyboard 22, Wireless Keyboard 23, touch-screen 24, the game paddle 25.
Displaying contents/audio receiver module 3 is in order to receive the signal of corresponding displaying contents/audio; Displaying contents/audio receiver module 3 is electrically connected with central processing unit 1, CD-ROM drive 4, decode/demodulates device 6, external interface device 10, wherein, these central processing unit 1 control displaying contents/audio receiver module 3 work, give in displaying contents/audio receiver module 3 and read corresponding data input, further output signal in the decode/demodulates device 6 and handle by this displaying contents/audio receiver module 3 by CD-ROM drive 4, external interface device 10.
CD-ROM drive 4, it is electrically connected with above-mentioned displaying contents/audio receiver module 3, is read by CD in 3 pairs of CD-ROM drives 4 of this receiver module or the imprinting action with the control command according to above-mentioned central processing unit 1.
TV-set receiving module 5 is in order to receive the radiofrequency signal of TV.
Decode/demodulates device 6, its input is electrically connected with above-mentioned TV-set receiving module 5, displaying contents/audio receiver module 3, in order to this TV-set receiving module 5, signal that displaying contents/audio receiver module 3 is imported are decoded, demodulation.The output of this decode/demodulates device 6 then is electrically connected with miniscope 7, power amplification device 8, and be electrically connected a coded/modulated module 61 simultaneously, be electrically connected a wireless sending module 62 on this coded/modulated module 61, by this coded/modulated module 61 with the coding audio signal of decode/demodulates device 6 outputs, modulation after wireless sending module 62 outwards sends a signal to wireless mega bass power amplification device 9.
Miniscope 7 is connected on above-mentioned central processing unit 1 and the decoding/demodulator 6, with the vision signal that receives output in this central processing unit 1 and this decode/demodulates device 6.
Left and right acoustic channels power amplification device 8 comprises left and right acoustic channels power amplifier module 81 and resonant tank 82, this resonant tank 82 constitutes (see figure 2) by stuffing box 821 and the left and right acoustic channels loudspeaker 822 that are placed on the stuffing box 821, utilize sealing case 821 can make sound wave can not produce counteracting, promote acoustical quality effectively; The input of this left and right acoustic channels effect module 81 and above-mentioned decode/demodulates device 6 electrically connect, and the loudspeaker 822 in output and this resonant tank 82 electrically connect, handle so that the audio signal of these decode/demodulates device 6 outputs is imported in this left and right acoustic channels power amplifier module 81, produce audio through left and right acoustic channels loudspeaker 822.
Wireless mega bass power amplification device 9 comprises receiver module 91, decode/demodulates module 92, mega bass power amplifier module 93 and the resonant tank 94 that is electrically connected successively, this resonant tank 94 constitutes (see figure 3) by stuffing box 941 and the mega bass loudspeaker 942 that are placed on the stuffing box 941, and sealing case 941 is sound wave is not produced offset and promote acoustical quality equally; This receiver module 91 is in order to receiving the transmission signal of above-mentioned wireless sending module 62, decodes, handles in the input mega bass power amplifier module 93 after the demodulation through this decode/demodulates module 92, produces audios through mega bass loudspeaker 942 again.Certainly, the wireless technology in this is wireless mega bass power amplification device 9 can adopt infrared ray, bluetooth or wireless radio-frequency, does not add at this and gives restriction.
See Fig. 2, Fig. 3,, can on the stuffing box 821,941 of above-mentioned each resonant tank 82,94, be equipped with a phase-reversing tube 809, utilize this phase-reversing tube 809 stack of sound phase place and then lifting acoustical quality for further strengthening the tonequality of resonant tank 82,94.
Network connection device 11, it is electrically connected with above-mentioned central processing unit 1, by this network connection device 11 by network download multimedia and data file through central authorities handle 1 handle operation after, further export to displaying contents/audio receiver module 3 handle to decode/demodulates device 6 show, broadcast work.This network connection device 11 is selected INTERNET interface 111 and SIM card communication module 112 for use, and it can add multiple different network access protocol by software or hardware mode; Simultaneously also be electrically connected a hard disk 12 on central processing unit 1, this hard disk 12 is a big capacity hard disk, wherein by these hard disk 12 storage multimedia and data files.
Therefore, the operation principle of the utility model multimedia playing apparatus is as follows:
Read dish when playing when utilizing CD-ROM drive 4, wherein, provide 1 work of commands for controlling central processing unit by control signal input unit 2, control command according to above-mentioned central processing unit 1 reads action by CD in this displaying contents/3 pairs of CD-ROM drives 4 of audio receiver module again, then the signal conveys that reads is decoded to decode/demodulates device 6, demodulation, finally show in the vision signal input miniscope 7 by 6 outputs of decode/demodulates device, an audio signal part of being exported is delivered to carries out signal and amplifies in the power amplifier module 81 of power amplification device 8, the loudspeaker 822 that are delivered to resonant tank 82 are again realized the purpose of audios; Another part then is delivered in the coded/modulated module 61, encoded/modulation module 61 outwards sends signal with coding audio signal, modulation back by wireless sending module 62, this signal is promptly received by the receiver module 91 of wireless mega bass power amplification device 9, further decode, handle in the input mega bass power amplifier module 93 after the demodulation, produce low sound effects through mega bass loudspeaker 942 again by decode/demodulates module 92.
When utilizing external interface device 10 to play, be about to relevant device and usb 1 01 or iPod matched interfaces 102 or the three-in-one interface 103 corresponding grafting of SD/MMC/MS, for example corresponding its interface 102 that is complementary of iPod is plugged, the control command that wherein is the above-mentioned central processing unit 1 of foundation equally reads action by data among this displaying contents/3 couples of iPod of audio receiver module, export to again in the decode/demodulates device 6 handle after, the audio frequency of its output, vision signal are finished demonstration, playing principles is identical with the principle of CD-ROM drive 4, do not repeat to set forth at this.
When utilizing network connection device 11 to play, insert the multimedia and the data file of searching for and downloading automatically in the corresponding network by this network connection device 11, again after operation is handled in central authorities' processing 1, further exporting to displaying contents/audio receiver module 3 to decode/demodulates device 6 handles, audio frequency, the vision signal of being exported by decode/demodulates device 6 finished demonstration then, playing principles is identical with aforesaid CD-ROM drive 4, external interface device 10 operation principles, so also do not repeat to set forth at this.
When utilizing TV-set receiving module 5 to play, earlier by these TV-set receiving module 5 work, to receive the radiofrequency signal of TV, with the signal conveys that receives decode to the decode/demodulates device 6, after the demodulation, offer respectively in miniscope 7, power amplification device 8 and the wireless mega bass power amplification device 9 and show, play, this demonstration, playing principles are identical with aforementioned principles, also do not repeat to set forth at this.
The utility model design focal point is CD-ROM drive, TV signal reception, power amplifier and demonstration are integrated in one, and handle multimedia document by central processing unit, decode/demodulates device, make it can support simultaneously that CD-ROM drive, TV signal receive, the multi-functional of supper bass, especially power amplifier technology has adopted the design that power amplifier module combines with resonant tank, can promote acoustical quality effectively.
The above, it only is the preferred embodiment of the multimedia playing apparatus of a kind of portable band mega bass of the utility model, be not that technical scope of the present utility model is imposed any restrictions, for example above-mentioned mega bass power amplification device can also be that wired mode connects, wherein, only need direct input and above-mentioned decode/demodulates device to electrically connect with mega bass effect module, and the mega bass loudspeaker in output and this resonant tank electrically connect, to handle in the power amplifier module of the audio signal of this decode/demodulates device output being imported this mega bass, produce low sound effect equally through the mega bass loudspeaker; So every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.
Claims (10)
1, a kind of multimedia playing apparatus of portable band mega bass is characterized in that: comprise
One central processing unit is in order to handle the input/output signal of each functional module that is electrically connected with it;
One control signal input unit, it is electrically connected with central processing unit, works with input signal commands for controlling central processing unit;
One displaying contents/audio receiver module is in order to receive the signal of corresponding displaying contents/audio; It is electrically connected with above-mentioned central processing unit, controls its work by this central processing unit;
One CD-ROM drive, it is electrically connected with above-mentioned displaying contents/audio receiver module, by this receiver module CD in the CD-ROM drive is read or the imprinting action with the control command according to above-mentioned central processing unit;
One TV-set receiving module is in order to receive TV RF signals;
One decode/demodulates device, it is electrically connected with above-mentioned TV-set receiving module, displaying contents/audio receiver module, in order to this TV-set receiving module, signal that displaying contents/the audio receiver module is imported are decoded, demodulation;
One miniscope, this miniscope are connected on above-mentioned central processing unit and the decoding/demodulator, with receiving the vision signal of exporting in this central processing unit and this decode/demodulates device;
One left and right acoustic channels power amplification device, comprise left and right acoustic channels power amplifier module and resonant tank, this resonant tank is made of stuffing box and the left and right acoustic channels loudspeaker that are placed on the stuffing box, the input of this left and right acoustic channels effect module and above-mentioned decode/demodulates device electrically connect, and the left and right acoustic channels loudspeaker in output and this resonant tank electrically connect, handle so that the audio signal of this decode/demodulates device output is imported in this left and right acoustic channels power amplifier module, produce audio through the left and right acoustic channels loudspeaker; And
One mega bass power amplification device, itself and decode/demodulates device signal communication.
2, according to the multimedia playing apparatus of the described portable band mega bass of claim 1, it is characterized in that: on above-mentioned displaying contents/audio receiver module, also be electrically connected an external interface device, this external interface device be provided with USB interface, with iPod matched interfaces or the three-in-one interface of SD/MMC/MS, plug with the interface that offers be complementary docking device and this external interface device.
3, according to the multimedia playing apparatus of the described portable band mega bass of claim 2, it is characterized in that: this external interface device is the drawer type drawing structure, it comprises a drawing box, above-mentioned USB interface, all is installed on the base plate of this drawing box with iPod matched interfaces or the three-in-one interface of SD/MMC/MS.
4, according to the multimedia playing apparatus of the described portable band mega bass of claim 1, it is characterized in that: above-mentioned mega bass power amplification device is wireless mega bass power amplification device, wherein, be electrically connected a coded/modulated module on the output of above-mentioned decode/demodulates device, be electrically connected a wireless sending module on this coded/modulated module, by this coded/modulated module with the coding audio signal of decode/demodulates device output, modulation after wireless sending module outwards sends signal; Wireless mega bass power amplification device then comprises receiver module, decode/demodulates module, mega bass power amplifier module and the resonant tank that is electrically connected successively, this resonant tank is made of stuffing box and the mega bass loudspeaker that are placed on the stuffing box, this receiver module is in order to receive the transmission signal of above-mentioned wireless sending module, decode, handle in the input mega bass power amplifier module after the demodulation through this decode/demodulates module, produce audio through the mega bass loudspeaker again.
5, multimedia playing apparatus according to the described portable band mega bass of claim 1, it is characterized in that: above-mentioned mega bass power amplification device is wired mega bass power amplification device, it is by mega bass power amplifier module and resonant tank, this resonant tank is made of stuffing box and the mega bass loudspeaker that are placed on the stuffing box, the input of this mega bass power amplifier module and above-mentioned decode/demodulates device electrically connect, and the mega bass loudspeaker in output and this resonant tank electrically connect, handle so that the audio signal of this decode/demodulates device output is imported in this mega bass power amplifier module, produce audio through the mega bass loudspeaker.
6, according to the multimedia playing apparatus of claim 1 or 4 or 5 described portable band mega bass, it is characterized in that: also be provided with one on the stuffing box of above-mentioned each resonant tank and be used for the phase-reversing tube that the sound phase place superposes.
7, according to the multimedia playing apparatus of the described portable band mega bass of claim 1, it is characterized in that: also be electrically connected a network connection device on the above-mentioned central processing unit, wherein by this network connection device by network download multimedia and data file after central authorities handle operation, further export to displaying contents/audio receiver module handle to the decode/demodulates device show, broadcast work.
8, according to the multimedia playing apparatus of the described portable band mega bass of claim 6, it is characterized in that: this network connection device has INTERNET interface or SIM communication module.
9, portable multi-media playing apparatus according to claim 7 is characterized in that: further be electrically connected a hard disk on central processing unit, in order to storage multimedia and data file.
10, portable multi-media playing apparatus according to claim 1 is characterized in that: above-mentioned control signal input unit is provided with remote controller, keyboard, Wireless Keyboard, touch-screen or game paddle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720057517XU CN201114350Y (en) | 2007-09-26 | 2007-09-26 | Portable multimedia playing device with ultra-heavy and low-voice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720057517XU CN201114350Y (en) | 2007-09-26 | 2007-09-26 | Portable multimedia playing device with ultra-heavy and low-voice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201114350Y true CN201114350Y (en) | 2008-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720057517XU Expired - Fee Related CN201114350Y (en) | 2007-09-26 | 2007-09-26 | Portable multimedia playing device with ultra-heavy and low-voice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201114350Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887212A (en) * | 2010-05-26 | 2010-11-17 | 中国农业大学 | Mobile portable digital video showing device and control method thereof |
| CN102074265A (en) * | 2010-12-30 | 2011-05-25 | 吴超青 | Multi-media player |
| CN102790866A (en) * | 2012-07-31 | 2012-11-21 | 深圳创维－Rgb电子有限公司 | Bass lifting method and device of television and television |
| CN104112462A (en) * | 2014-07-15 | 2014-10-22 | 王轶超 | Integrative home movie and television device and design method thereof |
| CN104183259A (en) * | 2014-08-07 | 2014-12-03 | 北京宏宇天地科技发展有限公司 | Life story player and using method thereof |
-
2007
- 2007-09-26 CN CNU200720057517XU patent/CN201114350Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887212A (en) * | 2010-05-26 | 2010-11-17 | 中国农业大学 | Mobile portable digital video showing device and control method thereof |
| CN102074265A (en) * | 2010-12-30 | 2011-05-25 | 吴超青 | Multi-media player |
| CN102790866A (en) * | 2012-07-31 | 2012-11-21 | 深圳创维－Rgb电子有限公司 | Bass lifting method and device of television and television |
| CN102790866B (en) * | 2012-07-31 | 2016-09-28 | 深圳创维－Rgb电子有限公司 | Bass boost method, device and the television set of television set |
| CN104112462A (en) * | 2014-07-15 | 2014-10-22 | 王轶超 | Integrative home movie and television device and design method thereof |
| CN104112462B (en) * | 2014-07-15 | 2016-09-21 | 王轶超 | Integration family's video device and method for designing thereof |
| CN104183259A (en) * | 2014-08-07 | 2014-12-03 | 北京宏宇天地科技发展有限公司 | Life story player and using method thereof |
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| 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: 20080910 Termination date: 20110926 |