CN101521698A - Processor power control method and mobile terminal - Google Patents
Processor power control method and mobile terminal Download PDFInfo
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- CN101521698A CN101521698A CN200910128496A CN200910128496A CN101521698A CN 101521698 A CN101521698 A CN 101521698A CN 200910128496 A CN200910128496 A CN 200910128496A CN 200910128496 A CN200910128496 A CN 200910128496A CN 101521698 A CN101521698 A CN 101521698A
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- coprocessor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a processor power control method and a mobile terminal, belonging to the field of mobile phone televisions. The mobile terminal comprises a memory, a coprocessor, a mobile phone baseband processor and a switching unit, wherein the mobile phone baseband processor is used for judging that the operation initiated by a user is to be finished by the mobile phone baseband processor per ser or the coprocessor, if the operation is to be finished by the former, the switching unit is controlled to be in a first state by the mobile phone baseband processor, and the coprocessor and the memory transmit data, while if the operation is to be finished by the latter, the switching unit is controlled to be in a second state by the mobile phone baseband processor, and the mobile phone baseband processor and the memory transmit data. The invention greatly reduces the data exchange capacity between the coprocessor and the mobile phone baseband processor without increasing the cost, thereby reducing the power consumed by the mobile terminal.
Description
Technical field
The present invention relates to field of mobile phone, relate in particular to a kind of processor power control method and portable terminal.
Background technology
Mobile TV is to be equipment with portable mobile terminals such as mobile phones, watches that a kind of technology of audiovisual material is used.At present, realize that the mode that mobile TV is used has two kinds: a kind of is to pass through communication network, as WCDMA (Wideband CDMA, the Wideband Code Division Multiple Access (WCDMA) access technology), TD-SCDMA (TimeDivision-Synchronous Code Division Multiple Access, the CDMA (Code Division Multiple Access) that the time-division is synchronous) technology such as, by point-to-point mode, realize streaming media playing and demand (telecommunication) service.Owing to used the data service of communication network, thus this implementation expense height, and be easy to be subjected to the influence of mobile communications network online user number, cause playing phenomenons such as time-delay picture pause.And another kind of mode is to use broadcast television technique, it via satellite or the terrestrial broadcasting station realize the covering of ground broadcast signal, as DVB-H (Digital Video Broadcasting-Handheld, the hand-hold type visual radio), CMMB (China Mobile Multimedia Broadcasting, China Mobile's DMB), DVB-T (Digital Video Broadcasting-Terrestrial, ground digital visual radio) etc.Its feature is an one-to-many, and data tape is roomy, picture quality is fine, and appropriate litigation fees is cheap.
In present mobile phone broadcast television service, as DVB-H, CMMB, DVB-T etc., all use audio frequency and video compression method H.264, reach higher compression ratio, reduce TV signal taking for the radio network bandwidth.Under limited bandwidth, system can support to propagate more cover TV programme like this.But owing to adopted the H.264 algorithm of high compression rate, in order to realize televising, the handset processes device requires to have higher multimedia processing capability.General low and middle-end mobile phone can't directly be realized the broadcast of H.264 decoding, and in order to realize televising on these mobile phones, generally needs to increase the multimedia coprocessor that is specifically designed to media play.
Increased the mobile phone of multimedia coprocessor, had ability to play preferably for files such as multimedias.In addition, this class mobile phone generally has more peripheral hardware, for example jumbo memory card interface (as interfaces such as MMC, MicroSD, memory stick Memory Stick), and USB connects, and first-class other function of making a video recording sees accompanying drawing 1 for details.For platform with certain media processing capacity, increased the multimedia coprocessor just in order to increase decoding capability H.264, so for simply, other multimedia function generally all is to be finished by the baseband processor of mobile phone, be jumbo memory card interface (as the MicroSD card), USB connects, and makes a video recording first-classly all to be connected on the baseband processor.
Under such system design, if realize recording of TV programme, in the time of perhaps will playing recorded program, baseband processor just need be born certain live load, and (storage that is about in the multimedia processor arrives data card, perhaps the TV programme in the data card is transported to and handles broadcast in the multimedia processor), also increased the consumption of system power simultaneously.
Summary of the invention
Technical problem to be solved by this invention is that a kind of processor power control method and portable terminal are provided.
In order to address the above problem, the invention discloses a kind of portable terminal of processor power control, comprise memory, coprocessor, also comprise mobile phone baseband processor and switch unit, described mobile phone baseband processor links to each other with described coprocessor, described memory links to each other with described mobile phone baseband processor, coprocessor by described switch unit, wherein:
Described mobile phone baseband processor, be used to judge that finish by described coprocessor by itself still being for the Client-initiated action need, when needs are finished by itself, the state of controlling described switch unit is first state, when needs were finished by described coprocessor, the state of controlling described switch unit was second state;
Described switch unit, be controlled to be first state or second state by described mobile phone baseband processor, when described switch unit is first state, described coprocessor and described memory carry out transfer of data, when described switch unit was second state, described mobile phone baseband processor and described memory carried out transfer of data.
Further, in the above-mentioned portable terminal, when described switch unit is first state, stop all transfer of data between described mobile phone baseband processor and the described memory, perhaps described mobile phone baseband processor is only to described monitoring memory;
When described switch unit is second state, stop all transfer of data between described coprocessor and the described memory, perhaps described coprocessor is only to described monitoring memory.
Further, in the above-mentioned portable terminal, when described coprocessor is the multimedia coprocessor, if the operation that described Client-initiated is operating as the recording mobile phone TV programme or plays the mobile TV program of having recorded, then described mobile phone baseband processor are judged this action need and are finished by described multimedia coprocessor.
Wherein, described mobile phone baseband processor is judged when described Client-initiated action need is finished by coprocessor, also this operation information is sent to described coprocessor, wherein, described operation information comprises the position of operational order, operand and the title of operand at least;
Described coprocessor is used to receive described information, and operates accordingly according to this information.
Described switch unit is mechanical switch, simulant electronic switch or number bus selector.
Described memory is the built-in storage chip of the outer extension memory or the portable terminal of described portable terminal, and wherein, outer extension memory is the memory card of safe digital SD card, multimedia mmc card or digital store M icroSD card etc.
The invention also discloses a kind of processor power control method, comprise: after portable terminal is received the Client-initiated operation, if judge when this action need is finished by coprocessor, control described coprocessor and memory and carry out transfer of data, finish described operation, if judge when this action need is finished by the mobile phone baseband processor, then control described mobile phone baseband processor and described memory and carry out transfer of data, finish described operation.
Further, in the said method, when described portable terminal is controlled described coprocessor and described memory and carried out transfer of data, stop all transfer of data between described mobile phone baseband processor and the described memory, perhaps described mobile phone baseband processor is only to described monitoring memory;
When described portable terminal is controlled described mobile phone baseband processor and described memory and carried out transfer of data, stop all transfer of data between described coprocessor and the described memory, perhaps described coprocessor is only to described monitoring memory.
Further, in the said method, when described coprocessor was the multimedia coprocessor, if the operation that described Client-initiated is operating as the recording mobile phone TV programme or plays the mobile TV program recorded, then described portable terminal judged that this action need finished by described multimedia coprocessor.
Wherein, when described portable terminal is controlled described coprocessor and described memory and is carried out transfer of data, also described Client-initiated operation information is sent to described coprocessor, described coprocessor is operated accordingly according to this operation information, wherein, described operation information comprises the position of operational order, operand and the title of operand at least.
Described portable terminal is controlled described memory and described coprocessor or mobile phone baseband processor by switch unit and is carried out transfer of data, and wherein, described switch unit is mechanical switch, simulant electronic switch or digital bus selector.
Described memory is the built-in storage chip of the outer extension memory or the portable terminal of described portable terminal, and wherein, outer extension memory is the memory card of safe digital SD card, multimedia mmc card or digital store M icroSD card.
The present invention is not compared with prior art increasing under the prerequisite of cost substantially, has significantly reduced the exchanges data amount between coprocessor and the mobile phone baseband processor, thereby has reduced power consumption of mobile terminals, has improved the battery service efficiency of portable terminal.
Description of drawings
Fig. 1 is the structural representation of existing portable terminal;
Fig. 2 is the structural representation of portable terminal in the present embodiment;
Fig. 3 is to be the partial circuit schematic diagram of the selected electronic switch of example with the SD card in the present embodiment;
Fig. 4 (a) is the flow chart of portable terminal recording mobile phone TV programme shown in Figure 2;
Fig. 4 (b) is the flow chart of the mobile TV program recorded of mobile terminal playing shown in Figure 2.
Embodiment
Main design of the present invention is, in order to reduce the work load of mobile phone baseband processor, can be according to practical application, the control mass storage links to each other with coprocessor or mobile phone baseband processor, specifically, system according to portable terminal is provided with the operation of judgement Client-initiated, need still be that the mobile phone baseband processor is finished by coprocessor, if need coprocessor to finish, then can control and carry out transfer of data between mass storage and the coprocessor, if need finish by the mobile phone baseband processor, then controlling mass storage and mobile phone baseband processor carries out transfer of data and gets final product, wherein, when coprocessor is the multimedia coprocessor, the portable terminal preferred systems is provided with the operation that can relate to the multimedia audio-video file and is finished by the multimedia coprocessor, and browses or visit the file stored in the mass storage (as text, the short message file, web page files etc. need baseband processor to open the file of processing) time, then can finish by the mobile phone baseband processor.
Below in conjunction with drawings and Examples technical solution of the present invention is described in further detail.
A kind of portable terminal of processor power control, be based on that existing portable terminal shown in Figure 1 proposes, its structure as shown in Figure 2, be mainly concerned with the mobile phone baseband processor, and the coprocessor (present embodiment is an example with the multimedia coprocessor) and the switch unit that all link to each other with the mobile phone baseband processor, wherein, mass storage links to each other with multimedia coprocessor or mobile phone baseband processor by switch unit (being the electronic switch of multitool double-throw in the present embodiment).Introduce the function of each module below.
The mobile phone baseband processor, be used to finish most of function of portable terminal, as conversation, short message, data communication etc., and all peripheral modules of portable terminal are controlled and manage, and when receiving user's operating command, be provided with according to the system of portable terminal and judge that finish by the multimedia coprocessor by itself still being for this action need, when judging that this action need is finished by the multimedia coprocessor, the state of control switch unit is first state, when judging that this action need self is finished by the mobile phone baseband processor, the state of control switch unit is second state, wherein, when decision operation need be finished by the multimedia coprocessor, further this operation information is sent to the multimedia coprocessor, operation information comprises operational order at least, the position of operand and the title of operand;
In the present embodiment, because coprocessor is the multimedia coprocessor, therefore according to system's setting of portable terminal, the user initiates the operation of the multimedia file in recording mobile phone TV programme or the broadcast mass storage and is finished by the multimedia coprocessor, at this moment, the mobile phone baseband processor is also with the title (as preserving the title of file) of the position of operational order (as record command), operand (as the preservation position of the mobile TV program recorded) and operand, and other operation of Client-initiated is finished by the mobile phone baseband processor.Certainly in other embodiments, the difference that the system of portable terminal is provided with can make the judged result difference of mobile phone baseband processor, and in addition, mobile terminal system setting can send to different operations different coprocessors and finish.
The multimedia coprocessor is mainly used in and finishes the function of televising, and finishes the decoding and the broadcast of TV audio-video code stream, and according to the operation information that the mobile phone baseband processor sends, finishes corresponding operation;
Mass storage, can be jumbo SD card (Secure Digital Memory Card, safe digital card), mmc card (Multimedia Card, multimedia card), interface outer extension memory card such as MicroSD, make the user to realize the expansion of mobile phone memory by buying storage card, also can be jumbo NAND Flash chip that on cell phone mainboard, uses etc., be used to preserve user file and various multimedia file, comprise the contents of recording such as mobile TV program;
Switch unit, present embodiment adopts the multitool commutator (as shown in Figure 3, SD card socket is used to connect the SD card that the user expands voluntarily among the figure), according to mobile phone baseband processor control (generally will control IO or control bus and be connected to the mobile phone baseband processor) its state is first state or second state, when switch unit is first state, mass storage and multimedia coprocessor carry out transfer of data (at this moment, between multimedia coprocessor and the memory man-to-man data transmission relations), when switch unit is second state, mass storage and mobile phone baseband processor carry out transfer of data (at this moment, between mobile phone baseband processor and the memory being man-to-man data transmission relations);
In the present embodiment, switch unit has adopted switch to realize its function, and the optional kind of switch is more, it can be mechanical switch, it can be electronic switch, it also can be digital bus selector, and in other embodiments, also can realize switching between different conditions by software, get final product so long as can realize the switching connection of mass storage between baseband processor and multimedia coprocessor, wherein, when switch unit adopts switch to realize, if switch unit is first state, then may stop transfer of data between mass storage and the mobile phone baseband processor, similarly, if switch unit is second state, then may stop transfer of data between mass storage and the multimedia coprocessor, and when switch unit adopts software to realize, if switch unit is first state, then on the basis of not interfering the transfer of data between mass storage and the multimedia coprocessor, the mobile phone baseband processor can be monitored mass storage, and when same switch unit was second state, the multimedia coprocessor also can be monitored mass storage.
Introduce below and adopt the portable terminal of SD card as mass storage, if its system is provided with the user when initiating the operation of recording mobile phone TV programme or playing the mobile TV program recorded all need be finished by the multimedia coprocessor, is how to reduce power consumption.Certainly, in other embodiments, the operation that system's setting of portable terminal is also finished Client-initiated recording mobile phone TV programme or play the mobile TV program of having recorded by other coprocessor.
When recording mobile phone TV programme operation once was described earlier, portable terminal realized that the detailed process of processor power control shown in Fig. 4 (a), may further comprise the steps:
Step a1, mobile phone baseband processor are connected to the mobile phone baseband processor by the control switch unit with mass storage (being the SD card in the present embodiment), and software is finished the initialization of SD card;
In the present embodiment, the mobile phone baseband processor is controlled switch unit by GPIO, in other embodiments, also can wait by I2C bus or spi bus and control switch unit.
Step a2 starts the mobile TV function, enters the mobile TV playing program, begins to play mobile TV, receives the operational order of Client-initiated recording mobile phone TV programme;
Step a3, mobile phone baseband processor access SD card, by the information (hereinafter also claiming recorded information) of user's setting operation object, promptly by the user from the SD card select the mobile TV program that need record storing path and and information such as input file title;
Step a4, mobile phone baseband processor disconnect and being connected with the software of SD card;
In other embodiments, also execution in step a4 not, i.e. direct execution in step a5 behind the execution in step a3.
Step a5, the mobile phone baseband processor is controlled switch unit by GPIO, with SD card connection media co-processors at the most;
Step a6, the multimedia coprocessor is finished the initial work to the SD card;
Step a7, the mobile phone baseband processor is transferred to the multimedia coprocessor by control interface with the recorded information that the user is provided with, and coprocessor is directly under the path with mobile TV program typing appointment.At this moment, the mobile phone baseband processor can be in low-power consumption mode, reduces current drain.
Introducing above-mentioned portable terminal again is how to reduce power consumption when playing the mobile phone program of having recorded, and detailed process may further comprise the steps shown in Fig. 4 (b):
Step b1, the mobile phone baseband processor is controlled switch unit by GPIO, and to the mobile phone baseband processor, software is finished the initialization of SD card with the SD card connection;
Step b2, mobile phone baseband processor access SD card by the information (hereinafter claiming broadcast information) of user's setting operation object, is promptly selected information such as the file path of recording TV programme that need to play and file name from the SD card by the user;
In other embodiments, the user also can initiate to play the order of other multimedia file in the SD card.
Step b3, mobile phone baseband processor disconnect and being connected with the software of SD card;
In other embodiments, also execution in step b3 not, i.e. direct execution in step b4 behind the execution in step b2.
Step b4, the mobile phone baseband processor is controlled switch unit by GPIO, with SD card connection media co-processors at the most;
Step b5 starts the multimedia coprocessor, finishes the initial work to the SD card;
Step b6, the mobile phone baseband processor is transferred to the multimedia coprocessor by control interface with broadcast information, and the multimedia coprocessor reads the file of having chosen from the SD card and plays.At this moment, the mobile phone baseband processor can be in low-power consumption mode, reduces current drain.
From the foregoing description as can be seen, technical solution of the present invention compared with prior art, under the prerequisite that does not increase cost substantially (if used the switch unit of hardware, just increased the cost of switch unit), to the operation that need finish by the multimedia coprocessor by the multimedia coprocessor directly and memory carry out transfer of data, the operation that need finish by the mobile phone baseband processor then by the mobile phone baseband processor directly and memory carry out transfer of data, thereby significantly reduced the exchanges data amount between the multimedia coprocessor and mobile phone baseband processor in the portable terminal, reduce power consumption of mobile terminals, improved the battery service efficiency of portable terminal.
Certainly; the present invention can also have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (12)
1, a kind of portable terminal of processor power control, comprise memory, coprocessor, it is characterized in that, also comprise mobile phone baseband processor and switch unit, described mobile phone baseband processor links to each other with described coprocessor, described memory links to each other with described mobile phone baseband processor, coprocessor by described switch unit, wherein:
Described mobile phone baseband processor, be used to judge that finish by described coprocessor by itself still being for the Client-initiated action need, when needs are finished by itself, the state of controlling described switch unit is first state, when needs were finished by described coprocessor, the state of controlling described switch unit was second state;
Described switch unit, be controlled to be first state or second state by described mobile phone baseband processor, when described switch unit is first state, described coprocessor and described memory carry out transfer of data, when described switch unit was second state, described mobile phone baseband processor and described memory carried out transfer of data.
2, portable terminal as claimed in claim 1 is characterized in that,
When described switch unit is first state, stop all transfer of data between described mobile phone baseband processor and the described memory, perhaps described mobile phone baseband processor is only to described monitoring memory;
When described switch unit is second state, stop all transfer of data between described coprocessor and the described memory, perhaps described coprocessor is only to described monitoring memory.
3, portable terminal as claimed in claim 1 is characterized in that,
When described coprocessor is the multimedia coprocessor, if the operation that described Client-initiated is operating as the recording mobile phone TV programme or plays the mobile TV program of having recorded, then described mobile phone baseband processor are judged this action need and are finished by described multimedia coprocessor.
4, as claim 1,2 or 3 described portable terminals, it is characterized in that,
Described mobile phone baseband processor, judge when described Client-initiated action need is finished by coprocessor, also this operation information is sent to described coprocessor, wherein, described operation information comprises the position of operational order, operand and the title of operand at least;
Described coprocessor is used to receive described information, and operates accordingly according to this information.
5, as claim 1,2 or 3 described portable terminals, it is characterized in that,
Described switch unit is mechanical switch, simulant electronic switch or number bus selector.
6, as claim 1,2 or 3 described portable terminals, it is characterized in that,
Described memory is the built-in storage chip of the outer extension memory or the portable terminal of described portable terminal, and wherein, outer extension memory is the memory card of safe digital SD card, multimedia mmc card or digital store M icroSD card etc.
7, a kind of processor power control method is characterized in that,
After portable terminal is received the Client-initiated operation, if judge when this action need is finished by coprocessor, control described coprocessor and memory and carry out transfer of data, finish described operation, if judge when this action need is finished by the mobile phone baseband processor, then control described mobile phone baseband processor and described memory and carry out transfer of data, finish described operation.
8, method as claimed in claim 7 is characterized in that,
When described portable terminal is controlled described coprocessor and described memory and carried out transfer of data, stop all transfer of data between described mobile phone baseband processor and the described memory, perhaps described mobile phone baseband processor is only to described monitoring memory;
When described portable terminal is controlled described mobile phone baseband processor and described memory and carried out transfer of data, stop all transfer of data between described coprocessor and the described memory, perhaps described coprocessor is only to described monitoring memory.
9, method as claimed in claim 7 is characterized in that,
When described coprocessor was the multimedia coprocessor, if the operation that described Client-initiated is operating as the recording mobile phone TV programme or plays the mobile TV program recorded, then described portable terminal judged that this action need finished by described multimedia coprocessor.
10, as claim 7,8 or 9 described methods, it is characterized in that,
When described portable terminal is controlled described coprocessor and described memory and is carried out transfer of data, also described Client-initiated operation information is sent to described coprocessor, described coprocessor is operated accordingly according to this operation information, wherein, described operation information comprises the position of operational order, operand and the title of operand at least.
11, as claim 7,8 or 9 described methods, it is characterized in that,
Described portable terminal is controlled described memory and described coprocessor or mobile phone baseband processor by switch unit and is carried out transfer of data, and wherein, described switch unit is mechanical switch, simulant electronic switch or digital bus selector.
12, as claim 7,8 or 9 described methods, it is characterized in that,
Described memory is the built-in storage chip of the outer extension memory or the portable terminal of described portable terminal, and wherein, outer extension memory is the memory card of safe digital SD card, multimedia mmc card or digital store M icroSD card.
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| CN200910128496A CN101521698A (en) | 2009-03-23 | 2009-03-23 | Processor power control method and mobile terminal |
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| CN200910128496A CN101521698A (en) | 2009-03-23 | 2009-03-23 | Processor power control method and mobile terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111493B (en) * | 2009-12-29 | 2013-07-03 | 中兴通讯股份有限公司 | Mobile phone and method for reducing power consumption of mobile phone television |
| CN104866247A (en) * | 2015-06-09 | 2015-08-26 | 上海斐讯数据通信技术有限公司 | Electronic device, SD card, and data processing method |
| CN106341908A (en) * | 2016-08-24 | 2017-01-18 | 福州瑞芯微电子股份有限公司 | Method and system for maintaining long connection of mobile network |
| CN107094224A (en) * | 2016-09-14 | 2017-08-25 | 格科微电子（上海）有限公司 | The manufacture method and terminal process equipment of camera module |
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2009
- 2009-03-23 CN CN200910128496A patent/CN101521698A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111493B (en) * | 2009-12-29 | 2013-07-03 | 中兴通讯股份有限公司 | Mobile phone and method for reducing power consumption of mobile phone television |
| CN104866247A (en) * | 2015-06-09 | 2015-08-26 | 上海斐讯数据通信技术有限公司 | Electronic device, SD card, and data processing method |
| CN106341908A (en) * | 2016-08-24 | 2017-01-18 | 福州瑞芯微电子股份有限公司 | Method and system for maintaining long connection of mobile network |
| CN107094224A (en) * | 2016-09-14 | 2017-08-25 | 格科微电子（上海）有限公司 | The manufacture method and terminal process equipment of camera module |
| CN107094224B (en) * | 2016-09-14 | 2021-06-18 | 格科微电子（上海）有限公司 | Manufacturing method of camera module and terminal processing equipment |
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Application publication date: 20090902 |