CN100375101C - Expandable mini memory card and corresponding extensional memory card - Google Patents
Expandable mini memory card and corresponding extensional memory card Download PDFInfo
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- CN100375101C CN100375101C CNB2004100559623A CN200410055962A CN100375101C CN 100375101 C CN100375101 C CN 100375101C CN B2004100559623 A CNB2004100559623 A CN B2004100559623A CN 200410055962 A CN200410055962 A CN 200410055962A CN 100375101 C CN100375101 C CN 100375101C
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Abstract
The present invention relates to an extension memory card which can be coupled into an expandable mini memory card and can be electrically connected with a card reader. The extension memory card comprises a first quick flash memory and a first client terminal controller, wherein a host machine terminal controller of the card reader can access the first quick flash memory by controlling the operation of the first client terminal controller. The expandable mini memory card also comprises a second quick flash memory and a second client terminal controller. The host machine terminal controller can access the second quick flash memory by controlling the operation of the second client terminal controller. When the dimension of the extension memory card after the extension memory card is coupled to the expandable mini memory card is the same with the dimension of an MMC card, the dimension of the expandable mini memory card is the same with the dimension of an RS-MMC card.
Description
Technical field
The invention relates to a kind of open-ended mini storage card and corresponding extension storage card thereof.
Background technology
Minisize memory card is normally as the Storage Media of electronic installation, minisize memory card comprises: secure digital electronic card (Secure Digital Card, the SD card), store rod (Memory Stick Card, the MS card), mmc card (Multi-Media Card), and CF (Compact Flash) card, though the electrical specification and the entity size of above-mentioned minisize memory card are different, all have characteristics such as high storage capacity and low consumption be electrical.And with the work evolution of technology and the miniaturization of electronic installation, minisize memory card also is evolved into mini storage card, for example: become after the mmc card miniaturization that mini (reduced size RS)-mmc card, becomes MS Duo card after the miniaturization of MS card.
As shown in Figure 1, (for example: in the time of mini digital camera), can normally operate insert miniaturization electronics devices when RS-MMC card 12; When RS-MMC card 12 (for example: in the time of universal digital camera) inserts general electronic installation, because the size of RS-MMC card 12 is less than the size of mmc card 10, so, RS-MMC card 12 needs to combine with Extender Card 14, make the measure-alike of the size of the RS-MMC card 12 that is connected to Extender Card 14 and mmc card 10, so can insert in the general electronic installation and running normally.Wherein, Extender Card 14 is simple mechanism design only, there is no any effect, and therefore, the inventor adheres to the spirit of positive creation, and the function of Extender Card 14 is strengthened, and extends the storage card and form the present invention.
Summary of the invention
The object of the present invention is to provide a kind of open-ended mini storage card and corresponding extension thereof to store card.Can strengthen the storage capacity of RS-MMC by the present invention.
For achieving the above object, extension provided by the invention stores card, can be coupled to an open-ended mini storage card, produces electrically connect by this an open-ended mini storage card and a reader device again, and this extension stores card and comprises:
One first fast flash memory; And
One first objective side controller,
Wherein a host-side controller of this reader device is operated and this first fast flash memory of access by this first objective side controller of control.
One side of this open-ended mini storage card has at least one groove.
This at least one groove and at least one fastener provide the connection of ground connection, power supply, data, clock pulse and order.
One side of this extension storage card has at least one fastener corresponding to this at least one groove.
This at least one groove and this at least one fastener provide the connection of ground connection, power supply, data, clock pulse and order.
The opposite side that this extension stores card has at least one groove, should extension store card for connecting another.
This extension stores the connection that this at least one groove that blocks provides ground connection, power supply, data, clock pulse and order.
The size of this open-ended mini storage card is identical with a RS-MMC card.
The size that this extension storage card is coupled to behind this open-ended mini storage card is identical with a mmc card.
It is identical with a mmc card that this extension storage card and this open-ended mini storage block an employed communication protocol.
Description of drawings
Fig. 1 be known mmc card, RS-MMC card, with the synoptic diagram of Extender Card.
Fig. 2 extends the synoptic diagram that stores card and the open-ended mini storage card of the present invention for the present invention.
Fig. 3 extends the functional block diagram that stores card and the open-ended mini storage card of the present invention for the present invention.
Embodiment
, store the storage capacity of card with indirect increase because but the objective side controller of the host-side controller identification of mmc card plural number can be coupled to the open-ended mini storage card of the present invention so the present invention extends to store to block.
As shown in Figure 2, the electronics specification of the open-ended mini storage card 20 of the present invention is identical with the electronics specification of known RS-MMC card 12, its size is also identical, one end of housing still has plural metallic contact 24, therefore, the open-ended mini storage card 20 of the present invention is the same with known RS-MMC card 12, can be inserted into miniaturization electronics device.The upper surface that the open-ended mini storage of the present invention blocks 20 housings also has groove 22, so that the user to be provided preferable plug control.Be that with known RS-MMC card 12 differences the open-ended mini storage card 20 of the present invention also has groove 25,27, and 29, extend the fastener 34,36 that stores card 30, and 38 with ccontaining the present invention respectively.
The present invention extends storage card 30 can be coupled to the open-ended mini storage card 20 of the present invention, one end of its housing has fastener 34,36, reaches 38, can be respectively with groove 25,27, and 29 produce and engage or be coupled, its housing upper surface has groove 32 and controls so that the preferable plug of user to be provided.Store card 30 and be coupled to the open-ended mini storage of the present invention when blocking 20 when the present invention extends, the present invention extends and stores card 30 and add that the common size of the open-ended mini storage card 20 of the present invention equals the size of mmc card 10.Wherein, groove 25,27, and 29 inner edges have metal wire, fastener 34,36, and 38 outer rim has metal wire, by groove 25,27, and 29 with fastener 34,36, and 38 combination, store the open-ended mini storage card 20 of card 30 electrical couplings and will extend, for example, groove 25 and fastener 34 provide ground connection (GND) connection, groove 29 and fastener 38 provide system power supply (VCC) and connect, and groove 27 and fastener 36 provide data (DATA), the connection of clock pulse (CLK) and order (CMD), therefore, the present invention extends and stores card 30 and can be by the metal wire of groove 29 and fastener 38 power supply be sent to the present invention and extends and store card 30, and by groove 27 and fastener 36 and with data, clock pulse and controlling signal are sent to the present invention extends and stores card 30, and by groove 25 and fastener 34 the ground connection signal is sent to the present invention and extends and store card 30.In addition, the present invention extends the other end that stores card 30 housings and also has groove 35,37, and 39, and it is being same as groove 25,27, and 29 design, and can extend and store card for connecting another.
As shown in Figure 3, when the present invention extend store card 30 and be coupled to the open-ended mini storage card 20 of the present invention after, again the present invention is extended and stores card 30 and be inserted into card reader 40 or other similar reading devices.Because the metallic contact (not shown) on the card reader 40 and the metallic contact 24 of the open-ended mini storage card 20 of the present invention can produce electric connection, so host-side controller 42 can be exported data and controlling signal respectively to objective side controller 21 and 31, power signal and ground connection signal also can be sent to objective side controller 21,31 and fast flash memory 23,33 respectively.When main side controller 42 is detected existing of objective side controllers 21 or 31, objective side controller 21 or 31 actions of registering will be required, after the side controller 21 or 31 of receiving guests is finished accreditation process, main side controller 42 gives objective side controller 21 or 31 1 identification codes respectively, for example: objective side controller 21 corresponds to identification code 1, and objective auspicious controller 31 corresponds to identification code 2.Therefore, main side controller 42 can be controlled the running of objective side controller 21 or 31 according to different identification codes respectively, with indirect access fast flash memory 23 and 33 stored data.At this moment, main side controller 42 can be considered as fast flash memory 23 and 33 respectively independently reservoir, for example: difference first reservoir and second reservoir; Or fast flash memory 33 is considered as the extension of fast flash memory 23, for example: have the reservoir that the capacity of fast flash memory 23 and 33 adds up.Whether above-mentioned two kinds of aspects can have according to host-side controller 42 is supported and decides, not wherein one exceeding, and the puzzlement that can not cause the user to set.
With the communication protocol of 1 bit data amount, the outer rim of fastener 36 need have 3 metal line, is respectively 1 information transmission line, 1 time pulse signal transmission line, and 1 controlling signal transmission line; In like manner can demonstrate,prove, with the communication protocol of 4 or 8 bit data amounts, the outer rim of fastener 36 need have 6 or 10 metal line, is respectively 4 or 8 information transmission lines, 1 time pulse signal transmission line, and 1 controlling signal transmission line.
Have objective side controller 31 and fast flash memory 33 because the present invention extends storage card 30 inside, be not only simple mechanism design.When the present invention extend store card 30 and be coupled to the open-ended mini storage card 20 of the present invention after, can increase the storage capacity of the open-ended mini storage card 20 of the present invention indirectly, reach the purpose of the storage power that expands the open-ended mini storage card 20 of the present invention.
The foregoing description only is to give an example for convenience of description, and the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (5)
1. one kind is extended the storage card, be coupled to an open-ended mini storage card, one end of one housing of this mini storage card has plural metallic contact being inserted into a reader device, has first groove that plural number has metal wire at the other end of this housing, and this extension stores card and comprises:
One fast flash memory;
One objective side controller;
Plural number has the fastener of metal wire, to should having the first groove setting of metal wire by plural number, and the fastener that has metal wire by this plural number and this plural number have a metal wire first groove respectively electrical couplings so that this plural number has the fastener of metal wire combines with this first groove of this mini storage card; And
Plural second groove is defined in the relative end of this fastener that blocks with this extension storage, and this plural number second groove blocks for connecting another extension storage with the design that is same as first groove;
Wherein this common size that extension storage card reaches with this extension storage blocks this mini storage card that combines equals standard storage card mmc card size, and this reader device is communicated by letter and this fast flash memory of indirect access with this visitor's side controller.
2. extension as claimed in claim 1 stores card, it is characterized in that this first groove and this fastener provide the connection of ground connection, power supply, data, clock pulse and order.
3. extension as claimed in claim 2 stores card, it is characterized in that, this extension stores the connection that this second groove that blocks provides ground connection, power supply, data, clock pulse and order.
4. extension as claimed in claim 1 stores card, it is characterized in that the size of this open-ended mini storage card is identical with a RS-MMC card.
5. extension as claimed in claim 1 stores card, it is characterized in that, it is identical with a mmc card that this extension storage card and this open-ended mini storage block an employed communication protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100559623A CN100375101C (en) | 2004-08-04 | 2004-08-04 | Expandable mini memory card and corresponding extensional memory card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100559623A CN100375101C (en) | 2004-08-04 | 2004-08-04 | Expandable mini memory card and corresponding extensional memory card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1731409A CN1731409A (en) | 2006-02-08 |
| CN100375101C true CN100375101C (en) | 2008-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100559623A Expired - Fee Related CN100375101C (en) | 2004-08-04 | 2004-08-04 | Expandable mini memory card and corresponding extensional memory card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100375101C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1049268A (en) * | 1996-08-01 | 1998-02-20 | Oki Electric Ind Co Ltd | Method and device for extending pc card |
| CN2593277Y (en) * | 2003-01-15 | 2003-12-17 | 英保达股份有限公司 | Multi-socket type external data storage device |
| US20040009708A1 (en) * | 2002-07-09 | 2004-01-15 | Gochnour Derek J. | Apparatus and method to secure an adaptor to a reduced-sized memory card |
| US20040019736A1 (en) * | 2002-07-23 | 2004-01-29 | Dug-Soo Kim | Portable flash memory with extended memory capacity |
-
2004
- 2004-08-04 CN CNB2004100559623A patent/CN100375101C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1049268A (en) * | 1996-08-01 | 1998-02-20 | Oki Electric Ind Co Ltd | Method and device for extending pc card |
| US20040009708A1 (en) * | 2002-07-09 | 2004-01-15 | Gochnour Derek J. | Apparatus and method to secure an adaptor to a reduced-sized memory card |
| US20040019736A1 (en) * | 2002-07-23 | 2004-01-29 | Dug-Soo Kim | Portable flash memory with extended memory capacity |
| CN2593277Y (en) * | 2003-01-15 | 2003-12-17 | 英保达股份有限公司 | Multi-socket type external data storage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1731409A (en) | 2006-02-08 |
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