CN1267177A - Digital portable mobile telephone set and method for voice data input/output and storage/regeneration - Google Patents
Digital portable mobile telephone set and method for voice data input/output and storage/regenerationDownload PDFInfo
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- CN1267177A CN1267177ACN00104127ACN00104127ACN1267177ACN 1267177 ACN1267177 ACN 1267177ACN 00104127 ACN00104127 ACN 00104127ACN 00104127 ACN00104127 ACN 00104127ACN 1267177 ACN1267177 ACN 1267177A
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- 230000006870functionEffects0.000description2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/10—Integrity
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Quality & Reliability (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
The present invention relates in the internet or general personal computer communication receives the voice data service method by digital portable mobile telephone set from the ISP on the net.The present invention be more particularly directed to a kind of method that is used to realize above-mentioned method of servicing, utilize vocoder (vocoder) to import voice data, store the voice data of storing in nonvolatile memory and the regeneration nonvolatile memory into.This vocoder comprises: digital portable mobile telephone set has nonvolatile memory; Voice encryption device is used for above-mentioned digital portable mobile telephone set compressed speech data; And voice decoder, be used to reduce the voice data that compressed.
The speech information business that the existing digital portable mobile telephone set that has utilized vocoder provides is possible carrying out under the situation of real-time telephone relation with the other side.Fig. 1 illustrates the frame assumption diagram of the digital portable mobile telephone set of using this existing speech information method of servicing.The following describes as shown in Figure 1, digital portable mobile telephone set receives the speech information service method.
At first, the process of digital portable mobile telephone set transmit voice data.Be transformed to digital signal from simulation (analog) voice signal (T1) of microphone 5 inputs by A/D converter 10, become PCM data (T2), then thevoice encryption device 22 throughvocoder 20 is transformed to the data of compressing (T3).The data of compressing (T3) are imported intochannel encoder 30, and the output signal of channel encoder 30 (T4) is imported intoRF transmitter 40, and the signal (T5) that obtains byRF transmitter 40 sends to the base station throughduplexer 50 andantenna 60.
On the contrary, the process of the speech information that receives from the base station of reception.The signal (R1) that is input toRF receiver 45 throughantenna 60 andduplexer 50 from the base station becomes digital signal (R2) byRF receiver 45, signal (R2) is transformed to the compressed signal (R3) that speech coding is crossed once more bychannel decoder 35, is input to voice decoder 24.Sort signal (R3) is exported as speech information (R5) byloud speaker 70 or earphone through D/A converter 15 after being transformed to the PCM data (R4) that speech decoded byvoice decoder 24.
Another prior art of this area has on September 24th, 1998 by intelligent refined patent application 1998-039557 number (the special 1998-087832 of publication number, on December 5th, 1998 is open) to Republic of Korea's special permission Room application of gold.
This technology discloses has utilized the medium of portable mobile telephone set to listen access method.That is, relate to following technology: utilize portable mobile telephone set to be connected to the server that Service Operation mechanism provides, the media data of select wishing is listened to, perhaps storage and listening to where necessary.Yet, owing to not being to store the data compression that Service Operation mechanism provides into above-mentioned memory in this technology, so the problem that needs mass storage is arranged.In addition, be not provided at the parts that can handle the data of encrypting in case of necessity, memory built-in is not provided at the parts that memory in case of necessity can load and unload in above-mentioned portable mobile telephone set.
Another prior art of this area has on September 18th, 1996 by patent 1996-040624 number (publication number special 1998-021680,1998 year June 25 day open) of Samsung Electronics Co., Ltd to Republic of Korea's special permission Room application.This technology discloses the portable phone of voice mail function built-in.The portable phone of this technology has the memory that is used to leave a message, but not being to compress and store during to memory with storage, does not also have encryption equipment and decipher etc.In addition, do not provide parts and the method that the voice data that provides by networks such as internet or personal computer communication nets is provided through external equipments such as personal computers.
Another prior art of this area has patent 1005-34855 number (publication number 97-24676, on May 30th, 1997 is open) of being applied for to the Republic of Korea special permission Room in October 11 nineteen ninety-five by Samsung Electronics Co., Ltd.This technology relates to the method for the subscription calls of portable phone, but parts and the method that the voice data that provides by internet or personal computer communication net is provided through external equipments such as personal computers is not provided, and does not have encryption equipment and decipher.
The present invention proposes in order to solve above-mentioned existing issue, and its purpose is to provide a kind of digital portable mobile telephone set, has: nonvolatile memory; Encryption equipment; Decipher; And the use external equipment receives the parts by the voice data of internet or personal computer communication net.
Another object of the present invention is to provide a kind of method, use external equipment that Service Operation mechanism is received portable mobile telephone set by the voice data that internet or personal computer communication net provide, store nonvolatile memory where necessary into, where necessary the time storage and the regeneration of preengaging.
The simple declaration of accompanying drawing:
Fig. 1 is a frame assumption diagram of using the digital portable mobile telephone set of existing speech information method of servicing;
Fig. 2 is a frame assumption diagram of using the digital portable mobile telephone set of speech information method of servicing of the present invention;
Fig. 3 is the input of the voice data by microphone of the present invention and the flow chart of storage means;
Fig. 4 is that direct reception of the present invention is by the input under the situation of the user data of antenna and the flow chart of storage means;
Fig. 5 receives the input under the situation of the voice data by antenna and the flow chart of storage means the time in reservation of the present invention;
Fig. 6 is the input of the voice data by the exterior terminal machine of the present invention and the flow chart of storage means;
Fig. 7 is that voice data transmission of storing in nonvolatile memory in the time of reservation of the present invention is given the flow chart of other people method; And
Fig. 8 is the flow chart of the method for the voice data stored in the regeneration nonvolatile memory of the present invention.
Read detailed description of the invention by the reference accompanying drawing, other purposes of the present invention and advantage will become clearer.
Fig. 2 is a frame assumption diagram of using the digital portable mobile telephone set of speech information method of servicing of the present invention.
Digital portable mobile telephone set shown in Fig. 2 sends to process external with voice data.Be transformed to digital signal by A/D converter 100 and become PCM data (T2) from simulation (analog) voice signal (T1) of microphone 90 inputs, then be transformed to the data of compressing (T3) through voice encryption device 220.Where necessary, the data of compressing (T3) are stored in nonvolatile memory 700.The data of compressing (T3) are imported into channel encoder 300, and numerical data (T4) is input to RF transmitter 400 from channel encoder 300, and the output signal of RF transmitter 400 (T5) sends to the base station throughduplexer 500 and antenna 550.
Where necessary, packed data (M5) channel encoder 300, RF transmitter 400,duplexer 500 and the antenna 550 that stores memory 700 into is transferred to the base station.
Under the situation that needs to encrypt before the data that will compress (T3) store memory 700 into, the data of above-mentioned compression (T3) are encrypted through encryption equipment 600, and the packed data that will encrypt (E1) stores nonvolatile memory 700 into then.At this moment, nonvolatile memory 700 can be implemented as built-in or loading and unloading type.
Terminating machine receives the process of the speech information that receives from the base station below.The received signal (R1) that is input toRF receiver 450 through antenna 550 andduplexer 500 from the base station is become digital signal (R2) and is input to channel decoder 350 by RF receiver 450.The compressed signal of crossing from the speech coding of channel decoder 350 outputs (R3) is imported into voice decoder 240.Compressed signal (R3) is exported as speech information (R5) by loud speaker 1000 or earphone by D/A converter 105 after being transformed to the PCM data (R4) that speech decoded by voice decoder 240.
Where necessary, the output signal of channel decoder 350 (R3) is stored in nonvolatile memory 700, where necessary, the compressed speech data (R2) of storage is exported as speech information (R5) through voice decoder 240, D/A converter 105 in the nonvolatile memory 700.
If receive voice data from external equipments such as personal computer 900, then this signal is handled back (M1) by the microprocessor 800 of portable mobile telephone set inside and is stored memory 700 into.At this moment, under the not compressed situation of the data that receive from external equipment 900, before storing memory 700 into, compress throughvoice encryption device 220.
For the digital portable mobile telephone set by above-mentioned functions and structure receives the voice data service of compressing from the outside, the voice data that must receive from the outside to nonvolatile memory 700 storages of portable mobile telephone set inside.Therefore, the invention provides following voice data storage means.
First storage means is following method: the user directly imports speeches by the microphone 90 of portable mobile telephone set, after passing through A/D converter 100 andvoice encryption device 220 successively, under the situation that needs are encrypted, behind encryption equipment 600, store the voice data that compressed into memory 700.
This method as shown in Figure 3.That is, the user is at first by microphone 90 input voice datas (s10).The voice data of input is imported into A/D converter 100 (s20).The output signal of A/D converter 100 is imported into voice encryption device 220 (s30).After this, need to judge whether to encrypt (s40).Under the situation that needs are encrypted, to the output signal (s50) of encryption equipment 600 input voice encryption devices 220.Store the output signal of encryption equipment 600 into nonvolatile memory 700 (s60).Yet,, intactly store the output signal ofvoice encryption device 200 into nonvolatile memory 700 (s60) if need not encryption equipment 600.
Second storage means is following method: receive the voice signal that compressed by base station and antenna 550 from Service Operation mechanism that the voice data that compressed is provided or the mobile communication operators mechanism that provides portable mobile phone to serve, store nonvolatile memory 700 into throughRF receiver 450, channel decoder 350.
This method is shown in Fig. 4 and Fig. 5.Fig. 4 illustrates input and the storage means under the situation that directly receives voice data by antenna of the present invention, and Fig. 5 illustrates input and the storage means under the situation that the time in reservation of the present invention receives the voice data by antenna.The following describes the present invention.At first, to directly receive under the situation of voice data, be directly connected to Service Operation mechanism (s110) the user.After being connected to Service Operation mechanism, retrieval compressed speech data (s120).The compressed speech data (s130) that selection needs, the voice data of selecting (s140) is transmitted in request to Service Operation mechanism.Therefore, digital portable mobile telephone set receives the compressed speech data of selecting (s150) by antenna 550, is input to channel decoder 350 (s170) through RF receiver 450 (s160).After this, whether determine the output signal (s180) of memory channel decoder 350.Under the situation of storage, store nonvolatile memory 700 into, where necessary, the voice data and listen to (s190) of can regenerating.On the contrary, under the situation of not storing the compressed speech data by channel decoder 350, behind voice decoder 240 (s200), utilize loud speaker 1000 or earphone can listen to speech information (s220) through D/A converter (s210).
On the contrary, under the situation that the user will receive with automatic reservation, digital portable mobile telephone set receives compressed speech data (s230) at the subscription time that the user sets by antenna 550 automatically, is input to RF receiver 450 (s240).The output signal channel decoder 350 ofRF receiver 450 stores nonvolatile memory 700 (s260) into.
Third party's method is following method: external equipment 900 by internet, personal computer communication net, and portable storage component in one receive voice data from Service Operation mechanism, after by the microprocessor 800 of portable telephone inside it being handled, store the voice data that compressed into nonvolatile memory 700.At this moment, portable storage component is represented the recording medium that CD-ROM and floppy disk etc. can carry.In addition, external equipment 900 is connected with wired or wireless with internet and personal computer communication net, and external equipment 900 receives voice data with microprocessor 800 with wired or wireless transmission.In the case, be under the unpressed data conditions at the voice data that receives from the outside, store nonvolatile memory 700 into after utilizing the compression algorithm of portable mobile telephone set inside to compress.
Fig. 6 illustrates this method.The following describes this method.At first, set the wired or wireless communication path (s300) between the microprocessor 800 in exterior terminal machine 900 and the portable mobile telephone set, receive voice data (s310).At this moment, confirm whether the voice data that receives is compressed (s320).According to confirming the result, under not compressed situation, utilizevoice encryption device 220 compressions (s330) after, store nonvolatile memory 700 (s340) into.Under compressed situation, intactly store nonvolatile memory 700 (s340) into.
Cubic method is following method: the nonvolatile memory 700 that will store the voice data that compressed is installed on the portable telephone, the voice data that obtains compressing.
The present invention also provides a kind of method, and regeneration is stored compressed speech data in thenonvolatile memory 70 into a kind of method in above-mentioned four kinds of methods.Under the situation that voice data that voice data renovation process of the present invention is stored in memory 700 has been encrypted, after being decrypted by 650 pairs of passwords of decipher, after passing through voice decoder 240 and D/A converter 105 successively, pass on speech information by loud speaker 1000 or earphone.
Fig. 7 illustrates data booking transmission method of the present invention.The following describes this method.At first, input is to the subscription time of recipient's transmit voice data and recipient's telephone number (s410).The time request transmission compressed speech data (s420) of preengaging.Compressed speech data in the nonvolatile memory 700 is selected (s430) in the time of having preengage automatically by portable mobile telephone set.The data of selecting are read from nonvolatile memory 700, are input to channel encoder 300 (s440).The output signal of channel encoder 300 outputs to base station (s460) through RF transmitter 400 and duplexer 500 (s450).
Fig. 8 illustrates data recording method of the present invention.In the method, at first, the compressed speech data (s470) of storage in the retrieval nonvolatile memory 700.After the retrieval, select the compressed speech data (s480) that needs.At this moment, confirm compressed speech data whether encrypted (s490).According to confirming the result,, then compressed speech data is input to decipher 650 (s500) if encrypted.The output signal of decipher 650 is imported into voice decoder 240 (s510), the output signal of voice decoder 240 through D/A converter 105 (s520) by loud speaker 1000 and earphone output sound (s530).
By above explanation as can be known, the invention is characterized in, pointed out with digital portable mobile telephone set and stored compressed speech data into several different methods used in the nonvolatile memory 700 withvoice encryption device 220/ decoder 240, the compressed speech data of storage in whenever the user can both regenerate nonvolatile memory 700 in case of necessity and the method for listening to are provided simultaneously, in addition, owing to when the storage voice data, utilize the voice data that compressed, so the storage space of utilizing is little, so economical, can make the scale miniaturization of system.
Claims (15)
1, a kind of digital portable mobile telephone set has:
Be used to import the parts of analogue voice signal;
Be used for the parts that will be transformed to digital signal by the analogue voice signal of above-mentioned voice signal input block input and be transformed to the PCM data;
Be used for the output signal of the transform component of the above-mentioned PCM of being transformed to data is transformed to the parts of packed data;
Be used for storing where necessary the parts of the data of above-mentioned compression;
Be used for reading voice data that compressed and the parts that carry out chnnel coding from above-mentioned memory unit where necessary;
The RF transmitter is imported the output signal of above-mentioned channel coding section;
Duplexer, the signal that input obtains by above-mentioned RF transmitter;
Antenna is used to import the output signal of above-mentioned duplexer and outputs to the base station;
Microprocessor, be used for by external equipment receive the voice data that Service Operation mechanism provides and handle after store above-mentioned memory unit into;
Encryption unit is used under situation about need encrypt the data of importing from above-mentioned voice signal input block and compressed above-mentioned memory unit is encrypted and stored into to the data of above-mentioned compression;
The parts that the data of be used under needs are regenerated the data conditions that above-mentioned memory unit stores, storing in above-mentioned memory unit are under the data conditions of encrypting, the data of above-mentioned encryption are decrypted;
The RF receiver receives voice signal by above-mentioned antenna and above-mentioned duplexer;
The channel-decoding parts are imported the output signal of above-mentioned RF receiver;
Be used for the output signal of above-mentioned channel-decoding parts is carried out the parts of speech decoding; And
Be used for receiving signal that above-mentioned speech decoded and as the parts of speech information output by the D/A transform component.
2, digital portable mobile telephone set as claimed in claim 1, wherein, above-mentioned memory unit is non-volatile loading and unloading type or built-in memory.
3, digital portable mobile telephone set as claimed in claim 1 is characterized in that, said external equipment provides voice data by Service Operation mechanism by one in internet, personal computer communication net, the portable storage component.
4, digital portable mobile telephone set as claimed in claim 3, wherein, above-mentioned portable storage component is CD-ROM or floppy disk.
As claim 3 or 4 described digital portable mobile telephone sets, it is characterized in that 5, said external equipment and above-mentioned microprocessor come transmitting and receiving data with wired or wireless.
6, digital portable mobile telephone set as claimed in claim 1, wherein, at the voice data that receives from above-mentioned Service Operation mechanism is under the unpressed data conditions, stores above-mentioned memory unit into after compressing by the above-mentioned transform component that is transformed to packed data.
7, as claim 1 or 5 described digital portable mobile telephone sets, wherein, said external equipment is personal computer.
8, input of a kind of voice data of digital portable mobile telephone set and storage means comprise following step:
Import voice data by microphone;
Voice data to above-mentioned input carries out the A/D conversion;
Signal to above-mentioned A/D conversion compresses;
Judge whether and to encrypt the signal of above-mentioned compression;
According to above-mentioned judged result, under the situation that needs are encrypted, the signal of above-mentioned compression is encrypted with encryption equipment;
The signal storage of above-mentioned encryption is arrived nonvolatile memory; And
According to above-mentioned judged result,, then intactly store above-mentioned compressed signal into nonvolatile memory if need not to encrypt.
9, input of a kind of voice data of digital portable mobile telephone set and storage means, from Service Operation mechanism that the voice data that compressed is provided or mobile communication operators mechanism that the portable mobile phone service is provided by antenna with the voice data transmission of above-mentioned compression under the situation of digital portable mobile telephone set, have following step:
Be connected to the computer of the operating agency that service is provided;
After above-mentioned connection, the retrieval compressed speech data;
Select the compressed speech data of needs according to above-mentioned result for retrieval;
Provide operating agency request transmission the above-mentioned data of selecting to above-mentioned service;
Receive the compressed speech data of above-mentioned request from Service Operation mechanism by antenna;
To arrive the RF receiver by the transfer of data that above-mentioned antenna receives;
Output signal to above-mentioned RF receiver is carried out channel-decoding;
Whether decision stores the signal that described channel-decoding is crossed;
According to above-mentioned determination result, under the situation of storage, store nonvolatile memory into; And
According to above-mentioned determination result, under the situation of not storing, carry out the speech decoding and be transformed to the laggard line output of analog signal.
10, a kind of voice data input method of digital portable mobile telephone set, the communication between the microprocessor in utilizing external equipment and digital portable mobile telephone set receive under the situation of the voice data that Service Operation mechanism provides, and comprise following step:
Set the communication path between said external equipment and the above-mentioned microprocessor;
Communication path through above-mentioned setting receives voice data;
Confirm whether the above-mentioned voice data that receives is compressed;
According to above-mentioned affirmation result, under unpressed situation, store nonvolatile memory into after utilizing voice encryption device to compress; And
According to above-mentioned affirmation result, under the situation of compression, intactly store nonvolatile memory into.
11, the voice data input method of digital portable mobile telephone set as claimed in claim 10, it is characterized in that said external equipment provides voice data by Service Operation mechanism by one in internet, personal computer communication net, the portable storage component.
12, the voice data input method of digital portable mobile telephone set as claimed in claim 11, wherein, above-mentioned portable storage component is CD-ROM or floppy disk.
As claim 11 or 12 described digital portable mobile telephone sets, it is characterized in that 13, said external equipment and above-mentioned microprocessor come transmitting and receiving data with wired or wireless.
14, as the voice data input method of claim 10 or 13 described digital portable mobile telephone sets, wherein, said external equipment is personal computer.
15, regeneration of a kind of voice data of digital portable mobile telephone set and output intent comprise following step:
The compressed speech data of storing in the retrieval nonvolatile memory;
After above-mentioned retrieval, select the compressed speech data that needs;
Confirm whether above-mentioned compressed speech data has encrypted;
According to above-mentioned affirmation result,, then compressed speech data is decrypted if encrypted;
The data of above-mentioned deciphering are carried out the speech decoding, be transformed to analog signal and output; And
According to above-mentioned affirmation result, if unencryption, then compressed speech data is intactly carried out speech decoding after, be transformed to analog signal and output.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR7890/1999 | 1999-03-10 | ||
| KR1019990007890AKR100315328B1 (en) | 1999-03-10 | 1999-03-10 | Digital Portable Mobile Telephone and Methods for Inputting/Outputting and Storing/Retrieving Voice Data Therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1267177Atrue CN1267177A (en) | 2000-09-20 |
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ID=19576085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00104127APendingCN1267177A (en) | 1999-03-10 | 2000-03-08 | Digital portable mobile telephone set and method for voice data input/output and storage/regeneration |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2000312388A (en) |
| KR (1) | KR100315328B1 (en) |
| CN (1) | CN1267177A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359908C (en)* | 2004-04-23 | 2008-01-02 | 哈尔滨工业大学 | hidden phone |
| CN1937488B (en)* | 2006-08-28 | 2010-12-22 | 珠海金山软件有限公司 | Safety quick transmission and instant playing method of sound signal in network |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000299718A (en) | 1999-04-13 | 2000-10-24 | Matsushita Electric Ind Co Ltd | Mobile phone device and audio device |
| KR100392199B1 (en)* | 2001-01-30 | 2003-07-22 | 주식회사 텔레게이트 | Potable Data Storage Apparatus |
| KR100428717B1 (en)* | 2001-10-23 | 2004-04-28 | 에스케이 텔레콤주식회사 | Speech signal transmission method on data channel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10173737A (en)* | 1996-12-06 | 1998-06-26 | Digital Vision Lab:Kk | Personal equipment |
| KR19980087832A (en)* | 1998-09-24 | 1998-12-05 | 김혜숙 | Media listening method using mobile phone |
- 1999
- 1999-03-10KRKR1019990007890Apatent/KR100315328B1/ennot_activeExpired - Fee Related
- 2000
- 2000-03-08CNCN00104127Apatent/CN1267177A/enactivePending
- 2000-03-10JPJP2000072463Apatent/JP2000312388A/enactivePending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359908C (en)* | 2004-04-23 | 2008-01-02 | 哈尔滨工业大学 | hidden phone |
| CN1937488B (en)* | 2006-08-28 | 2010-12-22 | 珠海金山软件有限公司 | Safety quick transmission and instant playing method of sound signal in network |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100315328B1 (en) | 2001-11-28 |
| KR20000059944A (en) | 2000-10-16 |
| JP2000312388A (en) | 2000-11-07 |
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