CN203707521U - Switching device for memory card - Google Patents
Switching device for memory card Download PDFInfo
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- CN203707521U CN203707521U CN201320852490.9U CN201320852490U CN203707521U CN 203707521 U CN203707521 U CN 203707521U CN 201320852490 U CN201320852490 U CN 201320852490U CN 203707521 U CN203707521 U CN 203707521U
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- card
- detecting pin
- memory card
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- 238000003780 insertion Methods 0.000 claims abstract description 20
- 230000037431 insertion Effects 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 4
- 101001059454 Homo sapiens Serine/threonine-protein kinase MARK2 Proteins 0.000 claims description 3
- 102100028904 Serine/threonine-protein kinase MARK2 Human genes 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a switching device for a memory card, which mainly comprises a shell, a C fast type connecting interface, at least one signal adaptor and an all-in-one card read control chipset. Notches for the insertion of memory cards of specified specifications are arranged on the side edge of the shell. A memory card (a small-sized memory card) of a specified specification can be inserted into a corresponding notch to be positioned. By means of the shell, the memory card can be inserted into a slot of a C fast type memory card attached to an external system end (such as a notebook computer, a tablet computer, a personal digital assistant and a digital camera). In this way, at least one or more memory cards of the above specification can be electrically connected with the C fast transmission interface of the external system end. Therefore, by means of the switching device, the applicability of memory cards is improved.
Description
Technical field
The utility model relates to a kind of switching device for memory card, refers in particular to a kind of small memory card and Cfast transport interface that can form plurality of specifications and is electrically connected, and then increase the switching device for memory card of memory card applicability.
Background technology
General flash memory applies to various electronic product widely, the memory card of flash memory is of a great variety at present, common are CF card, SD card, mmc card, SM card etc., wherein have the various advantages such as compatible high, speed is fast, capacity is large, power consumption is low, volume is little with CF (Compact flash) jig, the field that therefore used is the most extensive.More occur in recent years a kind of XQD form memory card for high-resolution video camera and digital camera exploitation, the reading speed of 500MB/s and the writing speed of 125MB/s are provided, storage volume even can exceed 2TB.
Secondly, emphasize compact trend at technicalization electronic product, for catering to the design requirement of electronic product, although its corresponding memory card is preferably partial to comparatively compact memory card (small memory card) relatively; Only, flash memory (Flash) capacity is constantly broken through now, and memory card capacity is constantly doubly risen, and the memory card of high power capacity can be deposited abundanter media information and huger data, makes CF card transmission speed seem especially important.
Because the fastest transmission standard in IDE interface is customized to PATA 133MB/S, for the bottleneck of CF memory card transmission, do not conform with use for current huge transfer of data.So CF association adopts ATA standard SATA of new generation to come as IO coffret, and this form is called CFast memory card.
Along with the appearance of Cfast card, following will have a lot of digital electronic product (as digital camera, notebook computer or PDA etc.) to adopt Cfast transport interface, consumer is in the time purchasing the digital electronic product of trendy employing Cfast transport interface, likely because small memory card and Cfast card transport interface different, cannot read the stored data of small memory card, its small memory card of previously having bought more in response to other digital electronic products may be idle, and then cause the waste of goods and materials.
In view of this, the design people is for not attaining perfect caused many disappearances and inconvenience in above-mentioned switching device for memory card structural design, and deeply design, and active research improvement has a fling at and development and Design goes out this case.
Utility model content
The purpose of this utility model is to provide a kind of and can forms the small memory card of plurality of specifications and be electrically connected with Cfast transport interface, and then increases the switching device for memory card of memory card applicability.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of switching device for memory card, it includes:
One meets the housing of Cfast card mechanism specification, and is provided with the notch that at least one memory card for predetermined dimension inserts in its avris position; One Cfast connecting interface, is located at this housing front end, for being electrically connected with the Cfast transport interface of external system end; At least one signal switching and integrated card reading control chip group, be located at this enclosure interior, for and the memory card that inserts of each notch and this Cfast connecting interface be electrically connected, for the electric signal control centre between the memory card inserting as external system end and each notch.
Above-mentioned enclosure interior is provided with a circuit substrate, and this circuit substrate is between this Cfast connecting interface and this at least one signal is transferred and integrated card reading control chip group is established on this circuit substrate.
Above-mentioned Cfast connecting interface is provided with one group of differential sequence pin for carrying out electric signal transmission with external system end, and is provided with a plug-in card detecting pin and whether inserts for detecting memory card.
Above-mentioned Cfast connecting interface at least comprises a power pin in order to transmit the operating voltage of being carried by external system end under this plug-in card detecting pin enabled status.
Above-mentioned at least one signal switching and integrated card reading control chip group, at least be provided with group system transfer of data pin and be electrically connected this differential sequence pin, and be provided with one first detecting pin, one second detecting pin, one the 3rd detecting pin, one the 4th detecting pin, one the 5th detecting pin, one the 6th detecting pin and insert the memory card types of each notch for each self-detection.
Above-mentioned at least one signal switching and integrated card reading control chip group, further be provided with a first kind card detecting pin, an Equations of The Second Kind card detecting pin, one the 3rd class card detecting pin, one the 4th class card detecting pin, one the 5th class card detecting pin, one the 6th class card detecting pin; Wherein: this first kind card detecting pin is electrically connected this plug-in card detecting pin and this first detecting pin, for the insertion of corresponding first kind memory card; This Equations of The Second Kind card detecting pin is electrically connected this plug-in card detecting pin and this second detecting pin, for the insertion of corresponding Equations of The Second Kind memory card; The 3rd class card detecting pin is electrically connected this plug-in card detecting pin and the 3rd detecting pin, for the insertion of corresponding the 3rd class memory card; The 4th class card detecting pin is electrically connected this plug-in card detecting pin and the 4th detecting pin, for the insertion of corresponding the 4th class memory card; The 5th class card detecting pin is electrically connected this plug-in card detecting pin and the 5th detecting pin, for the insertion of corresponding the 5th class memory card; This signal switcher is provided with one the 6th class card detecting pin, and the 6th class card detecting pin is electrically connected this plug-in card detecting pin and the 6th detecting pin, for the insertion of corresponding the 6th class memory card.
Above-mentioned first kind memory card be SmartMedia, xD, xD type M, xD type H one of them; This Equations of The Second Kind memory card be MS, MS Pro, MS Pro HighSpeed, MS Pro Ultra II, MS Pro Extreme, MS Pro Extreme III, MS-Duo, MS-Duo HighSpeed, MS-Pro Duo, MS-Pro Duo HighSpeed, MS-Pro Duo Ultra, MS-Pro Duo Ultra II, MS Duo-ROM, MS-Pro Duo MARK2, MS Pro-HG Duo HX, MS Pro-HG Duo, MS Pro-HG Duo Ultra one of them; The 3rd class memory card be SD, SD Pro, SD Plus, SD Ultra, SD Gaming, SD Extreme, SD High Capacity (SDHC), SDHC Ultra, SDHC Extreme, SDXC, SDXC Ultra, MMC-I, MMC-II, HS-MMC, MMC plus, Mini SD*, Mini SDHC*, MMCmobile*, MMC Micro*, RS-MMC*, RS-MMC 4.0*, RS-MMC HS*, DV RS MMC* one of them; The 4th class memory card be MicroSD, Micro SDHC, Micro SDHC Ultra, T-Flash, MMCmicro, MS Micro (M2) one of them; The 5th class memory card be CF I, CF Ultra, CF Ultra II, CF Ultra III, CF Ultra IV, CF Extreme, CF Extreme III, CF Extreme IV, CF Extreme Pro, CF Elite, CF Elite Pro, CF Ultimate, CF Pro, CF Pro II, CF Pro III one of them; The 6th class memory card is XQD.
Above-mentioned Cfast connecting interface with SATA interface as running interface.
Adopt after said structure, switching device for memory card of the present utility model utilizes above-mentioned primary structure feature, the memory card of predetermined dimension (small memory card) can be inserted to corresponding notch to location, backdoor body inserts external system end (as pen electricity, flat computer, personal digital assistant, digital camera) affiliated Cfast slot, the Cfast transport interface that forms this memory card and external system end is electrically connected, can specify above the memory card of specification and the electric connection of the Cfast transport interface of external system end at least one or one, to reach the object that increases memory card applicability.
Brief description of the drawings
Fig. 1 is housing front appearance figure of the present utility model;
Fig. 2 is switching device for memory card circuit framework block schematic diagram of the present utility model;
Fig. 3 is back side of shell outside drawing of the present utility model;
Fig. 4 is switching device for memory card occupation mode schematic diagram of the present utility model.
Symbol description
11 housings
111 notches
12Cfast connecting interface
13 signal switching and integrated card reading control chip groups
20 memory cards
30 external system ends
31Cfast slot.
Embodiment
In order further to explain the technical solution of the utility model, below by specific embodiment, the utility model is elaborated.
If Fig. 1 is that housing front appearance figure of the present utility model, Fig. 2 are that switching device for memory card circuit framework block schematic diagram of the present utility model, Fig. 3 are that as shown in back side of shell outside drawing of the present utility model, switching device for memory card of the present utility model has consisted essentially of: a housing 11, a Cfast connecting interface 12, the switching of at least one signal and integrated card reading control chip group 13; Wherein:
This housing 11 meets Cfast card mechanism specification, and is provided with the notch 111 of at least one insertion of the memory card for predetermined dimension 20 in its avris position; In the time implementing, institute's housing 11 as shown in the figure, in its avris position, is provided with at least one notch 111.
This Cfast connecting interface 12 is located at this housing 11 front ends, for being electrically connected with the Cfast transport interface of external system end (as pen electricity, flat computer, personal digital assistant, digital camera); In the time implementing, this Cfast connecting interface 12 with SATA interface as running interface, and this Cfast connecting interface 12 is provided with one group of differential sequence pin for carrying out electric signal transmission with external system end, be provided with a plug-in card detecting pin and whether insert for detecting memory card, and at least comprise a power pin in order to transmit the operating voltage of being carried by external system end under this plug-in card detecting pin enabled status.
This at least one signal switching and integrated card reading control chip group 13, be located at this housing 11 inside, be electrically connected for the memory card 20 and this Cfast connecting interface 12 that insert with each notch 111, for the electric signal control centre between the memory card 20 inserting as external system end and each notch 111; In the time implementing, housing 11 inside can be provided with a circuit substrate (figure slightly), and this Cfast connecting interface 12 is established on this circuit substrate with this at least one signal switching and integrated card reading control chip group 13.
Moreover, above-mentioned at least one signal switching and integrated card reading control chip group 13, at least be provided with group system transfer of data pin and be electrically connected this differential sequence pin, and be provided with one first detecting pin, one second detecting pin, one the 3rd detecting pin, one the 4th detecting pin, one the 5th detecting pin, one the 6th detecting pin and insert the memory card types of each notch for each self-detection.
And, this at least one signal switching and integrated card reading control chip group 13, further be provided with a first kind card detecting pin, an Equations of The Second Kind card detecting pin, one the 3rd class card detecting pin, one the 4th class card detecting pin, one the 5th class card detecting pin, one the 6th class card detecting pin; Wherein: this first kind card detecting pin is electrically connected this plug-in card detecting pin and this first detecting pin, for the insertion of corresponding first kind memory card; This Equations of The Second Kind card detecting pin is electrically connected this plug-in card detecting pin and this second detecting pin, for the insertion of corresponding Equations of The Second Kind memory card; The 3rd class card detecting pin is electrically connected this plug-in card detecting pin and the 3rd detecting pin, for the insertion of corresponding the 3rd class memory card; The 4th class card detecting pin is electrically connected this plug-in card detecting pin and the 4th detecting pin, for the insertion of corresponding the 4th class memory card; The 5th class card detecting pin is electrically connected this plug-in card detecting pin and the 5th detecting pin, for the insertion of corresponding the 5th class memory card; This signal switcher is provided with one the 6th class card detecting pin, and the 6th class card detecting pin is electrically connected this plug-in card detecting pin and the 6th detecting pin, for the insertion of corresponding the 6th class memory card.
As for described first kind memory card be SmartMedia, xD, xD type M, xD type H one of them; Described Equations of The Second Kind memory card be MS, MS Pro, MS Pro HighSpeed, MS Pro Ultra II, MS Pro Extreme, MS Pro Extreme III, MS-Duo, MS-Duo HighSpeed, MS-Pro Duo, MS-Pro Duo HighSpeed, MS-Pro Duo Ultra, MS-Pro Duo Ultra II, MS Duo-ROM, MS-Pro Duo MARK2, MS Pro-HG Duo HX, MS Pro-HG Duo, MS Pro-HG Duo Ultra one of them; Described the 3rd class memory card SD, SD Pro, SD Plus, SD Ultra, SD Gaming, SD Extreme, SD High Capacity (SDHC), SDHC Ultra, SDHC Extreme, SDXC, SDXC Ultra, MMC-I, MMC-II, HS-MMC, MMC plus, Mini SD*, Mini SDHC*, MMCmobile*, MMC Micro*, RS-MMC*, RS-MMC 4.0*, RS-MMC HS*, DV RS MMC* one of them; Described the 4th class memory card be MicroSD, Micro SDHC, Micro SDHC Ultra, T-Flash, MMCmicro, MS Micro (M2) one of them; Described the 5th class memory card be CF I, CF Ultra, CF Ultra II, CF Ultra III, CF Ultra IV, CF Extreme, CF Extreme III, CF Extreme IV, CF Extreme Pro, CF Elite, CF Elite Pro, CF Ultimate, CF Pro, CF Pro II, CF Pro III one of them; Described the 6th most XQD of class memory card.
Particularly, the utility model is in the time using, can be as shown in Figure 4, the memory card of predetermined dimension 20 (small memory card) is inserted to corresponding notch 111 to position, relend housing 11 and insert external system end 30 (as pen electricity, flat computer, personal digital assistant, digital camera) affiliated Cfast slot 31, making to form this memory card 20 is electrically connected with the Cfast transport interface of external system end 30, making external system end 30 be able to that this memory card 20 is carried out to data reads, write, reach the object that can be electrically connected by the Cfast transport interface of different notches and external system end respectively at least two kinds of size memory cards, especially, can being simultaneously electrically connected by the Cfast transport interface of different notches and external system end respectively at least one above memory card of the present embodiment to increase the applicability of memory card, avoids causing unnecessary goods and materials waste simultaneously.
Above-described embodiment and accompanying drawing non-limiting product form of the present utility model and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present utility model.
Claims (8)
1. a switching device for memory card, is characterized in that, includes:
One meets the housing of Cfast card mechanism specification, and is provided with the notch that at least one memory card for predetermined dimension inserts in its avris position;
One Cfast connecting interface, is located at this housing front end, for being electrically connected with the Cfast transport interface of external system end;
At least one signal switching and integrated card reading control chip group, be located at this enclosure interior, for and the memory card that inserts of each notch and this Cfast connecting interface be electrically connected, for the electric signal control centre between the memory card inserting as external system end and each notch.
2. switching device for memory card as claimed in claim 1, it is characterized in that: this enclosure interior is provided with a circuit substrate, this circuit substrate is between this Cfast connecting interface and this at least one signal is transferred and integrated card reading control chip group is established on this circuit substrate.
3. switching device for memory card as claimed in claim 1, is characterized in that: this Cfast connecting interface is provided with one group of differential sequence pin for carrying out electric signal transmission with external system end, and is provided with a plug-in card detecting pin and whether inserts for detecting memory card.
4. switching device for memory card as claimed in claim 3, is characterized in that: this Cfast connecting interface at least comprises a power pin in order to transmit the operating voltage of being carried by external system end under this plug-in card detecting pin enabled status.
5. switching device for memory card as claimed in claim 3, it is characterized in that: this at least one signal switching and integrated card reading control chip group, at least be provided with group system transfer of data pin and be electrically connected this differential sequence pin, and be provided with one first detecting pin, one second detecting pin, one the 3rd detecting pin, one the 4th detecting pin, one the 5th detecting pin, one the 6th detecting pin and insert the memory card types of each notch for each self-detection.
6. switching device for memory card as claimed in claim 5, it is characterized in that: this at least one signal switching and integrated card reading control chip group, further be provided with a first kind card detecting pin, an Equations of The Second Kind card detecting pin, one the 3rd class card detecting pin, one the 4th class card detecting pin, one the 5th class card detecting pin, one the 6th class card detecting pin; Wherein: this first kind card detecting pin is electrically connected this plug-in card detecting pin and this first detecting pin, for the insertion of corresponding first kind memory card; This Equations of The Second Kind card detecting pin is electrically connected this plug-in card detecting pin and this second detecting pin, for the insertion of corresponding Equations of The Second Kind memory card; The 3rd class card detecting pin is electrically connected this plug-in card detecting pin and the 3rd detecting pin, for the insertion of corresponding the 3rd class memory card; The 4th class card detecting pin is electrically connected this plug-in card detecting pin and the 4th detecting pin, for the insertion of corresponding the 4th class memory card; The 5th class card detecting pin is electrically connected this plug-in card detecting pin and the 5th detecting pin, for the insertion of corresponding the 5th class memory card; This signal switcher is provided with one the 6th class card detecting pin, and the 6th class card detecting pin is electrically connected this plug-in card detecting pin and the 6th detecting pin, for the insertion of corresponding the 6th class memory card.
7. switching device for memory card as claimed in claim 6, is characterized in that: this first kind memory card be SmartMedia, xD, xD type M, xD type H one of them; This Equations of The Second Kind memory card be MS, MS Pro, MS Pro HighSpeed, MS Pro Ultra II, MS Pro Extreme, MS Pro Extreme III, MS-Duo, MS-Duo HighSpeed, MS-Pro Duo, MS-Pro Duo HighSpeed, MS-Pro Duo Ultra, MS-Pro Duo Ultra II, MS Duo-ROM, MS-Pro Duo MARK2, MS Pro-HG Duo HX, MS Pro-HG Duo, MS Pro-HG Duo Ultra one of them; The 3rd class memory card be SD, SD Pro, SD Plus, SD Ultra, SD Gaming, SD Extreme, SD High Capacity (SDHC), SDHC Ultra, SDHC Extreme, SDXC, SDXC Ultra, MMC-I, MMC-II, HS-MMC, MMC plus, Mini SD*, Mini SDHC*, MMCmobile*, MMC Micro*, RS-MMC*, RS-MMC 4.0*, RS-MMC HS*, DV RS MMC* one of them; The 4th class memory card be MicroSD, Micro SDHC, Micro SDHC Ultra, T-Flash, MMCmicro, MS Micro (M2) one of them; The 5th class memory card be CF I, CF Ultra, CF Ultra II, CF Ultra III, CF Ultra IV, CF Extreme, CF Extreme III, CF Extreme IV, CF Extreme Pro, CF Elite, CF Elite Pro, CF Ultimate, CF Pro, CF Pro II, CF Pro III one of them; The 6th class memory card is XQD.
8. as the wherein switching device for memory card as described in any one of claims 1 to 3, it is characterized in that: this Cfast connecting interface with SATA interface as running interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852490.9U CN203707521U (en) | 2013-12-23 | 2013-12-23 | Switching device for memory card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852490.9U CN203707521U (en) | 2013-12-23 | 2013-12-23 | Switching device for memory card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707521U true CN203707521U (en) | 2014-07-09 |
Family
ID=51057910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320852490.9U Expired - Fee Related CN203707521U (en) | 2013-12-23 | 2013-12-23 | Switching device for memory card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707521U (en) |
-
2013
- 2013-12-23 CN CN201320852490.9U patent/CN203707521U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190619 Address after: 20 Floor, Zhonghui Building, 28 Queen's Avenue, Central, Hong Kong, China Patentee after: GRANDSKY ENGINEERING LTD. Address before: Biscoudam 13/15, D14167, Berlin, Germany Patentee before: Cui Gente Commercial Co. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 |