CN202111354U - Switching device for memory card - Google Patents
Switching device for memory card Download PDFInfo
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- CN202111354U CN202111354U CN2011202003966U CN201120200396U CN202111354U CN 202111354 U CN202111354 U CN 202111354U CN 2011202003966 U CN2011202003966 U CN 2011202003966U CN 201120200396 U CN201120200396 U CN 201120200396U CN 202111354 U CN202111354 U CN 202111354U
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- card
- memory card
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Abstract
The utility model discloses a switching device for a memory card, mainly comprising a housing, a digital card (C fast) connecting interface, a signal adaptor and an all-in-one card read control chip. A memory card (a small-sized memory card) with a specified specification can be inserted to be positioned through a notch of the housing, so that the memory card is electrically connected with a digital card (C fast) transmission interface of an external system end by the means that the housing is inserted into a slot of a digital card (C fast) attached to the external system end (such as a notebook computer, a tablet computer, a personal digital assistant and a digital camera).
Description
Technical field
The utility model relates to a kind of memory card switching device, is meant that especially a kind of small memory card that can constitute plurality of specifications electrically connects with digital card (Cfast) transport interface, and then increases the memory card switching device of memory card applicability.
Background technology
General fast flash memory bank applies to various electronic product widely; The memory card of fast flash memory bank is of a great variety at present; Common have CF (fast flash memory bank Compact flash) card, SD (safe digital card Secure Digital) card, MMC (multimedia digital card Multimedia) card, SM (flash memory Smartmedia) card etc.; Wherein with the CF jig various advantages such as compatibility is high, speed is fast, capacity is big, power consumption is low, volume is little are arranged, the field that is therefore used is the most extensive.
Secondly, stress compact trend at the technicalization electronic product, for catering to the design requirement of electronic product, though its pairing memory card preferably is partial to comparatively compact memory card (small memory card) relatively; The fast flash memory bank capacity is constantly broken through now, makes the memory card capacity constantly doubly rise, and the memory card of high power capacity can be deposited abundanter media information and huger data, makes the CF card transmission speed important that seems.
Because IDE (integrating whole circuits) the fastest transmission standard in interface is customized to high-tech configuration (PATA) 133MB/S, the bottleneck for the transmission of CF memory card has not conformed with use for present huge transfer of data.So CF association adopts ATA of new generation (high-tech configuration) standard SATA (sequence) to come as IO (interface card) transmission interface, and this form is called digital card (Cfast).
Especially; Digital card (Cfast) especially escape the status of " memory card "; Then become polyfunctional module; For example GPS (satellite navigation) antenna, bluetooth, 802.11b wireless network card, modulator-demodulator or digital camera module etc., the range of application of can saying so is the most extensive, develops into a kind of memory card of New Times.
Appearance along with the number card; Following will have a lot of digital electronic product (like digital camera, mobile computer or palmtop PC etc.) to adopt digital card (Cfast) transport interface; The consumer is when purchasing the digital electronic product of the digital card of trendy employing (Cfast) transport interface; Might be because small memory card blocks the different of transport interface with number; Can't read the stored data of small memory card, it before promptly possibly left unused in response to the small memory card that other digital electronic product is bought more, and then caused the waste of goods and materials.
The utility model content
The utility model main purpose is to provide a kind of small memory card and Cfast transport interface that can constitute plurality of specifications to electrically connect, and then increases the memory card switching device of memory card applicability.
For reaching above-mentioned purpose, the solution of the utility model is:
A kind of memory card switching device includes: a housing, meet digital card (Cfast) structure and specification, and the memory card that its avris position is provided with at least one confession predetermined dimension inserts notch; One digital card (Cfast) connecting interface is located at this housing front end; One signal adapter is located at this enclosure interior this at least one notch place relatively; One All-in-One Card Reader control chip, being located at this enclosure interior and electrically connecting should number card (Cfast) connecting interface and this signal adapter; And this enclosure interior is provided with a circuit substrate, and this circuit substrate is between this number card (Cfast) connecting interface and this signal adapter, and this All-in-One Card Reader control chip is established on this circuit substrate.
Further, this number card (Cfast) connecting interface is provided with one group of differential sequence pin that supplies to carry out with the external system end electric signal transmission, and is provided with the plug-in card detecting pin whether a confession detecting memory card inserts.
Further, this number card (Cfast) connecting interface comprises one at least in order under this plug-in card detecting pin enabled status, to transmit the power pin of the operating voltage of being carried by the external system end.
Further; This All-in-One Card Reader control chip is provided with a group system at least and electrically connects this differential sequence pin with the transfer of data pin, and the one first detecting pin, one second detecting pin, one the 3rd detecting pin, one the 4th detecting, one the 5th detecting pin that are provided with the memory card types that supplies each self-detection to insert this notch.
Further, this signal adapter is provided with first kind card detecting pin, and this first kind card detecting pin electrically connects this plug-in card detecting pin and this first detecting pin; This signal adapter is provided with one second type of card detecting pin, and this second type card detecting pin electrically connects this plug-in card detecting pin and this second detecting pin; This signal adapter is provided with one the 3rd type of card detecting pin, and the 3rd type of card detecting pin electrically connects this plug-in card detecting pin and the 3rd detecting pin; This signal adapter is provided with one the 4th type of card detecting pin, and the 4th type of card detecting pin electrically connects this plug-in card detecting pin and the 4th detecting pin; This signal adapter is provided with one the 5th type of card detecting pin, and the 5th type of card detecting pin electrically connects this plug-in card detecting pin and the 5th detecting pin.
Further, this first kind memory card comprises SM (flash memory Smartmedia) and xD (digital card) memory card at least.
Further, this second type of memory card comprises MS (memory stick Memory Stick) memory card at least.
Further, the 3rd type of memory card comprises SD (safe digital card Secure Digital) and MMC (multimedia digital card Multimedia) memory card at least.
Further, the 4th type of memory card comprises Micro SD (small-sized safe digital card Micro Secure Digital) memory card at least.
Further, the 5th type of memory card comprises CF (fast flash memory bank Compact Flash), Microdrive memory card (miniature hard disk drive) at least.
After adopting said structure; The memory card switching device of the utility model utilizes above-mentioned primary structure characteristic; Can the memory card (small memory card) of predetermined dimension be inserted into the location through the notch of housing; The backdoor body inserts the Cfast slot under the external system end (like notebook computer, flat computer, personal digital assistant, digital camera), the Cfast transport interface that constitutes this memory card and external system end is electrically connected, to reach the purpose that increases the memory card applicability.
Description of drawings
Fig. 1 is the front appearance figure of the utility model;
Fig. 2 is the circuit framework block schematic diagram of the utility model;
Fig. 3 is the back appearance figure of the utility model;
Fig. 4 is the memory card switching device back appearance figure of another embodiment of the utility model;
Fig. 5 is the occupation mode sketch map of the utility model.
Wherein:
10 memory card switching devices, 11 housings
111 notches, 12 digital cards (Cfast) connect interface
13 signal adapters, 14 All-in-One Card Reader control chips
20 memory cards, 30 external system ends
31 digital card (Cfast) slots.
Embodiment
In order further to explain the technical scheme of the utility model, come the utility model is set forth in detail through specific embodiment below.
Like Fig. 1, Fig. 2, shown in Figure 3, the memory card switching device 10 of the utility model has consisted essentially of: a housing 11, one digital block (Cfast) connects interface 12, a signal adapter 13, and an All-in-One Card Reader control chip 14; Wherein:
This housing 11 meets digital card (Cfast card) structure and specification, and is provided with memory card 20 insertions that at least one notch 111 supplies predetermined dimension in its avris position; When implementing, this at least one notch 111 optionally is located at the avris position (as shown in Figure 3) of these housing 11 rear ends, or is located at the avris position (as shown in Figure 4) of these housing 11 sides.
This number card (Cfast) connects interface 12 and is located at this housing 11 front ends, supplies to electrically connect with number card (Cfast) transport interface of external system end (like notebook computer, flat computer, personal digital assistant, digital camera); When implementing; This number card (Cfast) connect interface 12 with the SATA interface as the running interface; And should number card (Cfast) connecting interface 12 is provided with one group of differential sequence pin and supplies to carry out the electric signal transmission with the external system end; Be provided with plug-in card detecting pin and supply the detecting memory card whether to insert, and comprise the operating voltage that a power pin is carried by the external system end in order to transmission under this plug-in card detecting pin enabled status at least.
This signal adapter 13 is located at this housing 11 inner these at least one notch 111 places relatively, and the memory card 20 that supplies to be inserted with this notch 111 electrically connects.
It is inner and electrically connect and should connect interface 12 and this signal adapter 13 by number card (Cfast) that this All-in-One Card Reader control chip 14 is located at this housing 11, for the electric signal control centre between the memory card 20 that is inserted as external system end and this notch 111; When implementing; Housing 11 inside can be provided with a circuit substrate (figure slightly); This circuit substrate connects between interface 12 and this signal adapter 13 between this number card (Cfast), and 14 modes that can optionally be located at this circuit substrate end face or bottom surface of this All-in-One Card Reader control chip are established on this circuit substrate.
Moreover; Above-mentioned All-in-One Card Reader control chip 14 is provided with a group system at least and electrically connects this differential sequence pin with the transfer of data pin, and is provided with the memory card types that one first detecting pin, one second detecting pin, one the 3rd detecting pin, one the 4th detecting, one the 5th detecting pin supply each this notch of self-detection insertion.
In addition, 13 cooperations of this signal adapter are provided with first kind card detecting pin, one second type of card detecting pin, one the 3rd type of card detecting pin, one the 4th type of card detecting pin, and one the 5th type of card detecting pin; Wherein:
This first kind card detecting pin electrically connects this plug-in card detecting pin and this first detecting pin, for the insertion of corresponding first kind memory card; This second type card detecting pin electrically connects this plug-in card detecting pin and this second detecting pin, for the insertion of corresponding second type of memory card; The 3rd type of card detecting pin electrically connects this plug-in card detecting pin and the 3rd detecting pin, for the insertion of corresponding the 3rd type of memory card; The 4th type of card detecting pin electrically connects this plug-in card detecting pin and the 4th detecting pin, for the insertion of corresponding the 4th type of memory card; The 5th type of card detecting pin electrically connects this plug-in card detecting pin and the 5th detecting pin, for the insertion of corresponding the 5th type of memory card.
At least comprise SM (flash memory Smartmedia) and xD (digital card) memory card as for above-mentioned first kind memory card; Above-mentioned second type of memory card comprises MS (memory stick Memory Stick) memory card at least; Above-mentioned the 3rd type of memory card comprises SD (safe digital card Secure Digital) and MMC (multimedia digital card Multimedia) memory card at least; Above-mentioned the 4th type of memory card comprises Micro SD (small-sized safe digital card Micro Secure Digital) memory card at least; Above-mentioned the 5th type of memory card comprises CF (flash memory Compact Flash), Microdrive (miniature hard disk drive) memory card at least.
Particularly; The memory card switching device of the utility model in use; As shown in Figure 5, the memory card 20 (small memory card) of predetermined dimension is inserted into the location through the notch 111 of housing 11, relend housing 11 and insert number card (Cfast) slot 31 under external system ends 30 (like notebook computer, flat computer, personal digital assistant, the digital cameras); Number card (Cfast) transport interface that constitutes this memory card 20 and external system end 30 is electrically connected; Make external system end 30 be able to this memory card 20 is carried out the data reading and writing,, avoid causing unnecessary goods and materials waste simultaneously to increase the applicability of memory card.
In sum; The utility model provides a preferable feasible memory card switching device; Product form of the foregoing description and graphic and non-limiting the utility model and style; The those of ordinary skill of technical field all should be regarded as not breaking away from the patent category of the utility model to its suitable variation or modification of doing under any.
Claims (10)
1. a memory card switching device is characterized in that, includes:
One housing meets digital card structure specification, and its avris position is provided with the notch of the memory card insertion of at least one confession predetermined dimension;
One digital card connection interface is located at this housing front end;
One signal adapter is located at this enclosure interior this at least one notch place relatively;
One All-in-One Card Reader control chip, being located at this enclosure interior and electrically connecting should number card connection interface and this signal adapter;
This enclosure interior is provided with a circuit substrate, and this circuit substrate is between this number card connection interface and this signal adapter, and this All-in-One Card Reader control chip is established on this circuit substrate.
2. memory card switching device as claimed in claim 1; It is characterized in that: this number card connection interface is provided with one group of differential sequence pin that supplies to carry out with the external system end electric signal transmission, and is provided with the plug-in card detecting pin whether a confession detecting memory card inserts.
3. memory card switching device as claimed in claim 2 is characterized in that: this number card connection interface comprises one at least in order under this plug-in card detecting pin enabled status, to transmit the power pin of the operating voltage of being carried by the external system end.
4. memory card switching device as claimed in claim 2; It is characterized in that: this All-in-One Card Reader control chip is provided with a group system at least and electrically connects this differential sequence pin with the transfer of data pin, and the one first detecting pin, one second detecting pin, one the 3rd detecting pin, one the 4th detecting pin, one the 5th detecting pin that are provided with the memory card types that supplies each self-detection to insert this notch.
5. memory card switching device as claimed in claim 4 is characterized in that: this signal adapter is provided with first kind card detecting pin, and this first kind card detecting pin electrically connects this plug-in card detecting pin and this first detecting pin; This signal adapter is provided with one second type of card detecting pin, and this second type card detecting pin electrically connects this plug-in card detecting pin and this second detecting pin; This signal adapter is provided with one the 3rd type of card detecting pin, and the 3rd type of card detecting pin electrically connects this plug-in card detecting pin and the 3rd detecting pin; This signal adapter is provided with one the 4th type of card detecting pin, and the 4th type of card detecting pin electrically connects this plug-in card detecting pin and the 4th detecting pin; This signal adapter is provided with one the 5th type of card detecting pin, and the 5th type of card detecting pin electrically connects this plug-in card detecting pin and the 5th detecting pin.
6. memory card switching device as claimed in claim 5 is characterized in that: this first kind memory card comprises SM and xD memory card at least.
7. memory card switching device as claimed in claim 5 is characterized in that: this second type of memory card comprises the MS memory card at least.
8. memory card switching device as claimed in claim 5 is characterized in that: the 3rd type of memory card comprises SD and MMC memory card at least.
9. memory card switching device as claimed in claim 5 is characterized in that: the 4th type of memory card comprises Micro SD memory card at least.
10. memory card switching device as claimed in claim 5 is characterized in that: the 5th type of memory card comprises CF, the Microdrive memory card at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202003966U CN202111354U (en) | 2011-06-15 | 2011-06-15 | Switching device for memory card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202003966U CN202111354U (en) | 2011-06-15 | 2011-06-15 | Switching device for memory card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202111354U true CN202111354U (en) | 2012-01-11 |
Family
ID=45436803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202003966U Expired - Lifetime CN202111354U (en) | 2011-06-15 | 2011-06-15 | Switching device for memory card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202111354U (en) |
-
2011
- 2011-06-15 CN CN2011202003966U patent/CN202111354U/en not_active Expired - Lifetime
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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: 20190614 Address after: 20th Floor, Zhonghui Building, 28 Queen's Avenue, Central, Hong Kong, China Patentee after: Wei Tian Engineering Company Limited Address before: Biscoudam 13/15, D14167, Berlin, Germany Patentee before: Cuigengte Business Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |