CN101082888A - Method and system for expanding built-in memory with external wireless memory apparatus - Google Patents
Method and system for expanding built-in memory with external wireless memory apparatus Download PDFInfo
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- CN101082888A CN101082888A CN 200610081271 CN200610081271A CN101082888A CN 101082888 A CN101082888 A CN 101082888A CN 200610081271 CN200610081271 CN 200610081271 CN 200610081271 A CN200610081271 A CN 200610081271A CN 101082888 A CN101082888 A CN 101082888A
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Abstract
The invention discloses a built-in memory expanding method through external wireless storing equipment, which transmits the real-time data from digital equipment to the external portable memory equipment at wireless transmission pattern through plugging wireless mode in the digital equipment by wireless network technique. The system contains U-card, memory center, virtual memory capacitance of U-card, wherein the U-card and memory center do data operation. The invention solves the contradiction of the size, capacitance and speed of built-in memory without changing hardware and software and basic operation of digital equipment, which provides a high-capacitance, high-speed, flexible and cheap memory project.
Description
Technical field
Core of the present invention relates to a kind of method and system of utilizing the external wireless memory apparatus expanding built-in memory, be that digital equipment passes through the fast wireless network real-time Transmission to external storage with the data of obtaining, and can read the data of having stored from External memory equipment by fast wireless network.
Background technology
Along with popularizing of digital equipment, people are also increasing to the demand of high power capacity small memory device.Especially handheld device such as digital camera, Digital Video, they adopt means such as increasing pixel, increase sampling rate to obtain photograph and the video that image is more clear, color is more bright-coloured, and this has just proposed requirements at the higher level to the storage speed and the memory capacity of memory device.
For capacity and the speed that promotes the miniaturization memory device, existing solution thinking is storage density and the storage speed that increases storage chip as far as possible.Owing to be subjected to factor restrictions such as technology, their capacity and read or write speed all lag behind traditional magnetic storage equipment such as hard disk, and price is comparatively expensive.In order to adapt to littler digital equipment, size memory is more and more littler, promotes memory capacity according to classic method and becomes quite difficult.
Increasing high pixel digital camera comes out, but owing to be subjected to memory card capacity and price restriction, the user does not often use the maximum pixel of camera to take pictures, and capture video for a long time, and this makes that the performance of high pixel digital camera is not given full play to.Digital Video adopts built-in hard disk or built-in CD writer as memory device in order to promote storage speed and to increase memory capacity now, and this causes these hand-held camera-shooting and recording device volumes bigger, and weight is heavier, and comparatively power consumption.
Summary of the invention
The present invention proposes a kind of under the prerequisite that does not change the digital equipment hardware and software, uses external storage, comes the method and system of spreading number decoding apparatus memory capacity by wireless network.
According to an aspect of the present invention, provide a kind of method of spreading number decoding apparatus memory capacity as follows: to adopt up-to-date radio network technique (as WUSB), utilize its higher transmission speed, by inserting the wireless module of digital equipment (as digital camera, Digital Video etc.), the data (as photo, video etc.) that digital equipment is obtained in real time are wirelessly transmitted to external portable storage device.Such design is placed on data acquisition facility with data storage device, not only can dwindle the size of these handheld devices, alleviates their weight, and can be with the memory device of cheap price for its configuration high power capacity.
According to another aspect of the present invention, provide a kind of system of spreading number decoding apparatus memory capacity, form by the data manipulation of U card, storage center, U card virtual storage capacity and U card and storage center.
The U card: a kind of wireless data transceiving equipment that inserts the digital equipment storage card slot, this equipment comprises control module, digital equipment interface, wireless module, buffer memory.
Storage center: a kind of external high capacity memory equipment with radio transmission-receiving function, this equipment comprises control module, memory module, wireless module, buffer memory, USB module, display module, power module.The employed memory device of memory module can be hard disk, NAND FLASH MEMORY etc.
U card virtual storage capacity: after U card and storage center partnership are set up, and both wireless connections just often, and the memory capacity that the U card can the virtual store center is to reach the purpose that digital equipment utilizes external wireless memory apparatus expanding internal storer.If when U card and storage center can't be set up wireless connections or the wireless connections of having set up are interrupted or the U card is not established partnership with any storage center, the U card still can be used as common memory card and stores and reading of data for digital equipment.
Described partnership refers to the wireless connections relation of process safety certification between U card and the storage center, and its foundation makes the U card to carry out data interaction with the storage center of appointment, has guaranteed data wireless safety of transmission and reliability.
The data manipulation of U card and storage center: during digital equipment storage data, the U card deposits data in its inner buffer, is sent to storage center by wireless module simultaneously; Storage center with wireless receiving to data deposit its inner buffer in, by the time buffer memory write store spare in the lump will expire the time.During the digital equipment reading of data, according to first U card buffer memory, the data search order of storage center buffer memory, last storage center memory device again.During the digital equipment deleted data, remove data and list item in U card buffer memory, storage center buffer memory and the storage center memory device respectively.
Description of drawings
Fig. 1 has provided the conception figure of U card and storage center;
Fig. 2 has provided U card structure block diagram;
Fig. 3 has provided the structured flowchart of storage center;
Fig. 4 has provided the process flow diagram of digital equipment storage data to the U card;
Fig. 5 has provided the process flow diagram that the U card transfers data to storage center;
Fig. 6 has provided the process flow diagram of digital equipment reading of data;
Fig. 7 has provided the process flow diagram of digital equipment deleted data.
Specific implementation method
The conception figure of U card and storage center comprises the U card 1B of digital equipment 1A (this example is a digital camera), digital equipment inside, storage center 1C, the memory device 1D of storage center inside, LCD display 1E, control knob 1F by shown in Figure 1.Configuration shown in Figure 1 is used for image explanation an example of the present invention, is not the actual look of U card and storage center, and can making amendment under system architecture spirit.
In order to use the function of expanding internal memory card capacity of the present invention, the U card need be inserted digital equipment.The structure of U card comprises the control module 2A that is used for whole control by shown in Figure 2, is used for the digital equipment interface 2B of linking number decoding apparatus, is used for the buffer memory 2C of temporal data and the wireless module 2D that is used to transmit and receive data.His module of described control module 2A control U khaki is carried out evaluation works such as virtual storage capacity simultaneously.Digital equipment is sent to the U card by digital equipment interface 2B with data, or reads data in the U card by 2B.The temporary storage of buffer memory is from the data of digital equipment interface 2B or wireless module 2D.Wireless module 2D receives data or control information to the storage center transmission or from storage center.
U calorie requirement and storage center are used.The structure of storage center comprises the control module 3A that is used for whole control as shown in Figure 3, and jumbo memory module 3B is used for the buffer memory 3C of temporal data, the wireless module 3D that is used to transmit and receive data and be used to the input/output module 3E that adjusts and show.Other modules of described control module 3A control store center.Memory module 3B is the final storage location of data, preserves the total data from digital equipment.The temporary data of buffer memory 3C from wireless module 3D and memory module 3B.Wireless module 3D receives data or control information to the transmission of U card or from the U clamping.Display module 3E is used for showing current state information to the user.The user can connect computing machine by USB module 3F and visit memory module.
For using storage center as external storage, U calorie requirement and storage center are established partnership, make the U card can with the storage center transceive data of appointment.The foundation of partnership needs U card and storage center to cooperatively interact and requires the user to participate in finishing.After U card and a certain storage center are established partnership, remain this relation, and no longer establish partnership, be disengaged until this partnership with other storage center.If the U calorie requirement of having established partnership and other storage centers transmission data must be removed its original partnership of setting up earlier.The releasing of partnership needs cooperating of user and U card, but does not need the participation of storage center.
The U cartoon is crossed the memory capacity at virtual store center, will oneself invent the storage card with storage center amount of capacity, makes digital equipment think that the U card is real physical equipment.U card virtual storage capacity comprises following 5 kinds of situations:
(A) U card and storage center have been set up partnership, and after the digital equipment start, their wireless connections success;
(B) U card and storage center have been set up partnership, and after the digital equipment start, their wireless connections success, but after a period of time, cause wireless connections to interrupt (exceeding wireless range) for a certain reason as U card and storage center variable in distance;
(C) U card and storage center have been set up partnership, but after the digital equipment start, the U card can't be set up wireless connections (as the storage center shutdown) with storage center;
(D) U card and storage center have been set up partnership, and after the digital equipment start, the U card can't be set up wireless connections with storage center, but after a period of time, they rebulid wireless connections (starting shooting again as storage center);
(E) the U card is not established partnership with any storage center.
For situation (A), U card virtual storage capacity;
For situation (B), during the wireless connections success, U card virtual storage capacity is had no progeny in wireless connections, and prompting U card suspends virtual storage capacity;
For situation (C), the U card is virtual storage capacity not, can be used as common memory card and uses;
For situation (D), during radio link failure, the U card is virtual storage capacity not, can be used as common memory card and uses, and after wireless connections rebulid, prompting U card recovered virtual storage capacity;
For situation (E), the U card is virtual storage capacity not, can be used as common memory card and uses.
When U card and storage center have been set up partnership, and both wireless connections just often, and the U card can carry out data manipulation with storage center.Fig. 4, Fig. 5, Fig. 6, Fig. 7 have shown 4 parts of data manipulation respectively, i.e. digital equipment storage data to U card, U card sends data to storage center, digital equipment reading of data, digital equipment deleted data.
(1) digital equipment storage data as shown in Figure 4, comprise following 3 steps to the U card:
Whether (A) the U card detects the data 4E that is not sent out in its buffer memory, if having, then be sent to storage center 4F by wireless module, if do not have, then waits for digital equipment storage data;
(B) the U clamping is received from 4A after the data of digital equipment, deposits data in U card buffer memory 4B, and sends it to storage center 4C by wireless module;
(C) after data deposit U card buffer memory 4B in, inform the successful 4D of storage to digital equipment, and wait for depositing in of next data.
(2) the U card sends data to storage center, as shown in Figure 5, comprises following 3 steps:
(A) the storage center wireless module is waited for the data 5A from the U card;
(B) after wireless module receives data,, judge simultaneously whether buffer memory reaches threshold value 5C with data transmission 5B to the buffer memory;
(C) if reach threshold value, then send in the buffer memory all new datas to memory device, receive ED 5D until buffer memory.
When data write the storage center buffer memory, full for buffer memory is not write, and memory device has the enough time to start, so threshold value is set, guarantee data stream normally.
Threshold value=memory device setup time * wireless network module transfer rate
(3) digital equipment reading of data as shown in Figure 6, comprises following 3 steps:
(A) digital equipment sends request of data to U card 6A, and the U card is received after the request of data whether 6B in its buffer memory of judgment data, if then data are sent to digital equipment 6G from buffer memory; If not, then the U card sends to storage center 6C with request of data;
(B) storage center is received after the request of data whether 6D in its buffer memory of judgment data, if, then data being sent to U card 6F from the storage center buffer memory, the U card sends it to digital equipment 6G;
(C) if data not in the storage center buffer memory, then start memory device, reading of data sends the data to U card 6F to storage center buffer memory 6E, and the U card sends it to digital equipment 6G.
(4) digital equipment deleted data as shown in Figure 7, comprises following 5 steps:
(A) digital equipment is sent to U card 7A with delete command, and the U card sends to storage center 7B with order;
(B) whether 7C in buffer memory of deleted data is desired in the storage center inspection, if not, then deletes the data 7E in the memory device;
(C) if data in the memory device buffer memory, continue to check whether data have deposited memory device 7D in, if then delete the data 7E in the memory device; If not, then delete data 7F in the buffer memory;
(D) storage center is returned " deleting successfully " to U card 7G, U card removal corresponding data 7H;
(E) the U card returns " deleting successfully " 7I to digital equipment.
Two buffer memory designs of U card and storage center help saving electric energy, accelerate data manipulation speed.U card buffer memory temporal data reads once more in order to digital equipment, helps to reduce the wireless module number of starts, accelerates data reading speed; Storage center buffer memory temporal data, write storage device in the lump when treating that it will be expired helps to reduce the memory device number of starts and working time, improves operational efficiency.
Storage center can be connected by USB interface with computing machine, for the data of user by its storage of computer access.After USB connected, the storage center control module detected in the buffer memory whether the data that do not store memory device into are arranged, if having, then needed data storage to memory device.At this moment, memory device has the total data that digital equipment obtains.
Claims (6)
1, a kind of method of utilizing the external wireless memory apparatus expanding built-in memory, this method comprises: adopt radio network technique, by inserting the wireless module of digital equipment, the data wireless that digital equipment is obtained in real time transfers to external portable storage device.
2, a kind of system that utilizes wireless external storage expanding built-in memory, this system comprises: the data manipulation of U card, storage center, U card virtual storage capacity, U card and storage center.
3, U card: a kind of wireless data transceiving equipment that inserts the digital equipment storage card slot, this equipment comprises control module, digital equipment interface, wireless module, buffer memory.
4, storage center: a kind of external high-capacity storage device with radio transmission-receiving function, this equipment comprises control module, memory module, wireless module, buffer memory, USB module, display module, power module.
5, U card virtual storage capacity, promptly the control module of U card with the memory capacity of U card virtual be the memory capacity of storage center, comprise following 5 kinds of situations and corresponding steps:
(A) U card and storage center have been set up partnership, and after the digital equipment start, their wireless connections success;
(B) U card and storage center have been set up partnership, and after the digital equipment start, their wireless connections success, but after a period of time, cause wireless connections to be interrupted for a certain reason;
(C) U card and storage center have been set up partnership, but after the digital equipment start, the U card can't be set up wireless connections with storage center;
(D) U card and storage center have been set up partnership, and after the digital equipment start, the U card can't be set up wireless connections with storage center, but after a period of time, they rebulid wireless connections;
(E) the U card is not established partnership with any storage center.
For situation (A), U card virtual storage capacity;
For situation (B), during the wireless connections success, U card virtual storage capacity is had no progeny in wireless connections, and prompting U card suspends virtual storage capacity;
For situation (C), the U card is virtual storage capacity not, can be used as common memory card and uses;
For situation (D), during radio link failure, the U card is virtual storage capacity not, can be used as common memory card and uses, and after wireless connections rebulid, prompting U card recovered virtual storage capacity;
For situation (E), the U card is virtual storage capacity not, can be used as common memory card and uses.
6, the data manipulation of U card and storage center, form by 4 parts:
(1) digital equipment storage data comprise following 3 steps to the U card:
Whether (A) the U card detects the data that are not sent out in its buffer memory, if having, then be sent to storage center by wireless module, if do not have, then waits for digital equipment storage data;
(B) after data from digital equipment are received in the U clamping, deposit data in U card buffer memory, and send it to storage center by wireless module;
(C) after data all deposit U card buffer memory in, inform to digital equipment and to store successfully, and wait for depositing in of next data.
(2) the U card sends data to storage center, comprises following 3 steps:
(A) the storage center wireless module is waited for the data from the U card;
(B) after wireless module receives data, data transmission to buffer memory, is judged simultaneously whether buffer memory reaches threshold value;
(C) if reach threshold value, then send in the buffer memory all new datas to memory device, receive ED until buffer memory.
(3) digital equipment reading of data comprises following 3 steps:
(A) the U card receives after the request of data that judgment data is whether in its buffer memory, if then data are sent to digital equipment from buffer memory; If not, then the U card sends to storage center with request of data;
(B) storage center receives after the request of data that judgment data is whether in its buffer memory, if then data are sent to U card buffer memory from the storage center buffer memory, and send it to digital equipment;
(C) if data not in the storage center buffer memory, then start memory device, reading of data sends the data to U card buffer memory, and sends it to digital equipment to the storage center buffer memory.
(4) digital equipment deleted data comprises following 5 steps:
(A) digital equipment transfers to the U card with delete command, and the U card sends to storage center with order;
(B) the storage center inspection is desired deleted data whether in buffer memory, if not, then deletes the data in the memory device;
(C) if data in the memory device buffer memory, continue to check whether data have deposited memory device in, if then delete the data in the memory device; If not, then delete data in the buffer memory;
(D) storage center is returned " deleting successfully " to the U card, U card removal corresponding data;
(E) the U card returns " deleting successfully " to digital equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610081271XA CN100487680C (en) | 2006-05-29 | 2006-05-29 | Method and system for expanding built-in memory with external wireless memory apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200610081271XA CN100487680C (en) | 2006-05-29 | 2006-05-29 | Method and system for expanding built-in memory with external wireless memory apparatus |
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| Publication Number | Publication Date |
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| CN101082888A true CN101082888A (en) | 2007-12-05 |
| CN100487680C CN100487680C (en) | 2009-05-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103246371A (en) * | 2013-04-22 | 2013-08-14 | 深圳市江波龙电子有限公司 | Wireless storage handwriting pen and wireless storage handwriting system |
| CN103747008A (en) * | 2014-01-22 | 2014-04-23 | 李南南 | Internet storage device with encryption function and technology of internet storage device |
| CN103871448A (en) * | 2014-03-04 | 2014-06-18 | 杭州电子科技大学 | Method for taking mobile phone as wireless memory |
| CN104035730A (en) * | 2014-06-04 | 2014-09-10 | 深圳市江波龙电子有限公司 | File write-in method, device and wireless storage equipment |
-
2006
- 2006-05-29 CN CNB200610081271XA patent/CN100487680C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103246371A (en) * | 2013-04-22 | 2013-08-14 | 深圳市江波龙电子有限公司 | Wireless storage handwriting pen and wireless storage handwriting system |
| CN103246371B (en) * | 2013-04-22 | 2016-08-03 | 深圳市大迈科技有限公司 | A kind of wireless storage writing pencil and wireless storage hand writing system |
| CN103747008A (en) * | 2014-01-22 | 2014-04-23 | 李南南 | Internet storage device with encryption function and technology of internet storage device |
| CN103871448A (en) * | 2014-03-04 | 2014-06-18 | 杭州电子科技大学 | Method for taking mobile phone as wireless memory |
| CN104035730A (en) * | 2014-06-04 | 2014-09-10 | 深圳市江波龙电子有限公司 | File write-in method, device and wireless storage equipment |
| CN104035730B (en) * | 2014-06-04 | 2017-09-08 | 深圳市大迈科技有限公司 | A kind of file wiring method, device and wireless memory apparatus |
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| Publication number | Publication date |
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| CN100487680C (en) | 2009-05-13 |
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Granted publication date: 20090513 Termination date: 20100529 |