CN100374987C - Dual-interface memory card reading and writing device - Google Patents
Dual-interface memory card reading and writing device Download PDFInfo
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- CN100374987C CN100374987C CNB2005100596788A CN200510059678A CN100374987C CN 100374987 C CN100374987 C CN 100374987C CN B2005100596788 A CNB2005100596788 A CN B2005100596788A CN 200510059678 A CN200510059678 A CN 200510059678A CN 100374987 C CN100374987 C CN 100374987C
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
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Abstract
The present invention relates to a dual-interface storage card read-write device which comprises a shell, wherein the outer side of the shell is provided with a USB interface while the inner side is provided with a read-write conversion control module and a storage module. The USB interface is connected with the read-write conversion control module, and the read-write conversion control module is connected with the storage module. The shell is provided with a jack, and the jack is electrically connected with the read-write end of the read-write conversion control module. The read-write conversion control module is provided with a chip selection control circuit, and the shell is provided with a coaxial four-core dual-track audio interface. The present invention is correspondingly connected with a USB data interface through the coaxial four-core dual-track audio interface; the present invention can be connected with various electronic devices which are provided with the USB data interface or carry out multiplexing to the coaxial four-core audio interface and the USB data interface; thus, the problem that the information of numerous solid storage cards can not be mutually transmitted with that of other electronic products because information data interfaces of various electronic products are inconsistent is effectively solved.
Description
Technical field
The present invention relates to a kind of dual-interface memory card reading and writing device, especially a kind of housing is provided with the memory card read/write device that carries out data transmission, exchange between the multiple solid-state memory card that audio signal interface, usb data interface and this two interfaces can both plug by the read-write conversion control circuit that is provided with in the housing and outside.
Background technology
Along with the develop rapidly of electronic information treatment technology, various powerful electronic product, for example desktop computer, notebook computer, mobile phone, PDA, mobile memory and MP 3 players etc. are come out one after another, and make people can adopt various ways that its information of interest is deposited, transmits, handles, used.And along with the development of solid-state memory, multiple solid-state memory card has appearred on the market, compact flash (Compact Flash for example, hereinafter to be referred as: the CF card), multimedia card (Multi MediaCard, hereinafter to be referred as: mmc card), flash memory rapid memory card (Smart Media Card, hereinafter to be referred as: SMC card) or the like.They can carry out exchanges data by connecting interface and PC separately.But because the structure of various cards differs, make PC have to possess various interfaces, thereby make the structure of PC or its peripheral hardware become complicated.For addressing this problem, the patent No. is the Chinese invention patent of ZL 02244002.X, a kind of nonvolatile solid state storage card conversion read-write equipment is disclosed, this device inside is provided with conversion control circuit, can compatiblely read and write various solid-state memory card, the memory module of establishing in also can direct read goes up the standard USB interface or the IEEE1394 interface that are provided with by this device and makes various solid-state memory card be connected to computing machine by unified data-interface.
In above-mentioned various electronic products, small and exquisite, portable small-sized mobile electronic product has progressively become the information processing instrument of everybody indispensability.Nearly all electronic product can both be connected with other any electronic equipments by the usb data interface of standard finishes data information transmission, storage.In recent years, for satisfying application demand, the direction fast development that small-sized electronic product is more powerful towards function, volume reduces more, in this course, the huge relatively traditional usb data interface of volume has then formed obstruction, particularly when some small-sized electronic product itself need have multiple information transmission interface (as MP3 player, mobile phone), this obstruction is just more obvious.For addressing this problem, go up the off-gauge small USB interface scheme that is provided with that adopts at some electronic products (as digital camera) at present, though this scheme has been facilitated dwindling of electronic product volume, brought simultaneously to be the trouble of product configure dedicated conversion line.Some electronic product manufacturing enterprises are arranged for eliminating above-mentioned obstruction, carry out the audio interface and the USB interface of coaxial four-core multiplexing, make the volume of small-sized electronic product obtain reducing significantly, but, this mode has been brought too because the information data interface of various electronic products can't be accomplished unanimity at present, thus the problem that causes information to transmit mutually.In this case, above-mentioned nonvolatile solid state storage card conversion read-write equipment has run into obstacle too in data information transmission, particularly with PDA be the palm mobile message treatment facility of representative today towards the miniaturization fast development, the audio interface of coaxial four-core and USB interface are carried out multiplexing development trend and present situation, make nonvolatile solid state storage card conversion read-write equipment be faced with new problem with being connected of other electronic equipments.
Summary of the invention
The objective of the invention is to carry out the inconsistent problem that causes information to transmit mutually of information data interface that faced under multiplexing development trend and the present situation in the audio interface of coaxial four-core and USB interface at above-mentioned nonvolatile solid state storage card conversion read-write equipment, and provide a kind of dual-interface memory card reading and writing device, this device removes has traditional usb data interface and reading and writing data conversion and control module, memory module also is provided with outward the dual-channel audio interface of coaxial four-core simultaneously, and this device can be connected with having the usb data interface or the dual-channel audio interface of coaxial four-core is carried out multiplexing various distinct electronic apparatuses with the usb data interface.
For achieving the above object, the invention provides a kind of dual-interface memory card reading and writing device, it comprises a housing, and this outside is provided with USB interface, and inside is provided with read-write conversion and control module and memory module; Described USB interface connects described read-write conversion and control module, and described read-write conversion and control module connects described memory module; Described housing is provided with the socket that is used to plug solid-state memory card, and this socket is electrically connected with the read-write end of described read-write conversion and control module; Described read-write conversion and control module has and is used for described solid-state memory card and described memory module are selected the sheet selected control system circuit read and write, described housing is provided with the dual-channel audio interface of a coaxial four-core, two the sound signal ends of this dual-channel audio interface and the corresponding connection of two data-signal ends of described USB interface; The corresponding connection of the earth terminal of described dual-channel audio interface with the earth terminal of described USB interface; The control signal end of described dual-channel audio interface is connected with the power end of described USB interface.
In the technique scheme, USB interface can be connected with any electronic equipment with same interface, finishes data transmission; The dual-channel audio interface of coaxial four-core can be connected with the electronic equipment with audio frequency/USB multiplex interface, realize the I/O of data-signal by this dual-channel audio interface, and read-write conversion and control module can be looked into solid-state memory card in the mouth and inner memory module to insertion and carries out data read-write operation optionally and make the dual-channel audio interface of these data by USB interface or coaxial four-core carry out the exchanges data transmission with outside other electronic equipments.In addition, when the present invention was connected on the playback equipment that utilizes USB interface to carry out audio frequency output, the user can utilize the standard audio interface of earphone to be connected with described dual-channel audio interface and listen to broadcast.
By technique scheme as can be seen, the present invention carries out corresponding connection by the dual-channel audio interface of coaxial four-core with the usb data interface, can be connected with having the usb data interface or the audio interface of coaxial four-core is carried out multiplexing various distinct electronic apparatuses with the usb data interface, thereby effectively solved the problem that the information that causes multiple solid-state memory card because of the information data interface of various electronic products is inconsistent can't be transmitted mutually with other electronic products.
Below, also the present invention is described in further detail in conjunction with the accompanying drawings by embodiment.
Description of drawings
Fig. 1 is the schematic block circuit diagram of first embodiment of the present invention;
Fig. 2 is a structural representation embodiment illustrated in fig. 1;
Fig. 3 is second example structure synoptic diagram of the present invention;
Fig. 4 is the 3rd an example structure synoptic diagram of the present invention;
Fig. 5 is a fourth embodiment of the present invention structural representation;
Fig. 6 is a fifth embodiment of the present invention structural representation;
Fig. 7 is a sixth embodiment of the present invention side schematic view.
Embodiment
Embodiment one
As shown in Figure 1 and Figure 2, present embodiment comprises a housing 1, and the outside of this housing 1 is provided with a USB interface 2.The inside of housing 1 is provided with read-write conversion and control module 11 and memory module 12.USB interface 2 connects read-write conversion and control module 11, and read-write conversion and control module 11 connects memory module 12.Housing 1 is provided with the socket 3 that is used to plug solid-state memory card, and this socket 3 is electrically connected with the read-write end of read-write conversion and control module 11.Read-write conversion and control module 11 has and is used for selecting the sheet selected control system circuit read and write to being plugged in solid-state memory card 31 in the socket 3 and 12 of moulds of storage.
The present invention in use, solid-state memory card 31 is plugged in the socket 3, read-write conversion and control module 11 can be selected to carry out read-write operation at which solid-state memory card 31 by its sheet selected control system circuit, also can select to carry out read-write operation to storing mould 12.When USB interface 2 is connected with the corresponding USB interface of external electronic device, perhaps when the corresponding audio frequency of dual-channel audio interface 4 and external electronic device/when the usb data multiplex interface is connected, the data-switching that read-write conversion and control module 11 can be finished between solid-state memory card 31 and the external electronic device, input-output operation, therefore, even external electronic device does not have the interface slot of solid-state memory card, the present invention can realize that also the data message between solid-state memory card and other electronic equipment transmits mutually, particularly carry out multiplexing miniaturized electronics for the audio interface and the USB interface that adopt coaxial four-core, the present invention can be by himself set dual-channel audio interface 4 and its realization data UNICOM.
In addition, being connected set-up mode and can taking multiple mode as required of the dual-channel audio interface of USB interface of the present invention and coaxial four-core and housing, its detailed content referring to accompanying drawing 3 to shown in the accompanying drawing 7 specific embodiment.
Embodiment two
As shown in Figure 3, the USB interface 2 of present embodiment adopts the standard USB plug.On the front end side of housing 1, offer a USB protection groove 21 that is used to hold this standard USB plug.The tail end of USB interface 2 is articulated on the housing 1 by a pivot 22, and can change in the USB protection groove 21 along direction shown in the four-headed arrow line among the figure around pivot 22 or produce USB protection groove 21 in use.USB protection groove 21 provides excellent protection for USB interface 2, simultaneously, and also carrying and using convenience is provided for the user.
Embodiment three
As shown in Figure 4, the difference of present embodiment and the foregoing description two is that USB interface 2 is divided into two sections, and leading portion 23 is installed in the pivot of its bottom by one and the front end face of back segment 24 articulates, and the tail end of back segment 24 is articulated on the housing 1 by pivot 22.In use, after USB interface 2 was produced USB protection groove 21, leading portion 23 can rotate along direction shown in the four-headed arrow line among the figure and adjust, and adapts to the difference of the installation site of USB interface on the different electronic equipments successively.
Embodiment four
As shown in Figure 5, the difference of present embodiment and the foregoing description two is that USB protection groove 21 is opened on the surface of housing 1, and connects with a side.USB interface 2 is articulated in the USB protection groove 21, and its end can be rotated along direction shown in the four-headed arrow line among the figure.When needs use USB interface 2 to be connected with other electronic equipments, rotate USB interface 2, it is outwards connected, when not using, can be with in its backward rotation income USB protection groove 21.
Embodiment five
As shown in Figure 6, present embodiment and the foregoing description two are similar, and its difference is that dual-channel audio interface 4 has adopted the four-core audio jack, and offers the storage tank 41 that is used to hold dual-channel audio interface 4 in the side of housing 1.The tail end of dual-channel audio interface 4 is articulated on the housing 1 by an axle 42 and places an end of storage tank 41.
Similar to the USB interface set-up mode in the foregoing description two, the dual-channel audio interface 4 in the present embodiment also can change in the storage tank 41 along direction shown in the four-headed arrow line among the figure around axle 42 or produce storage tank 41 in use.Storage tank 41 provides excellent protection for dual-channel audio interface 4, simultaneously, and also carrying and using convenience is provided for the user.
Embodiment six
As shown in Figure 7, the dual-channel audio interface 4 of present embodiment also is to have adopted the four-core audio jack.The difference of present embodiment and the foregoing description six is to offer a containing hole 43 on the side of housing 1, and this containing hole 43 can hold dual-channel audio interface 4 (four-core audio jack).Offer the chute 44 that connects with housing 1 outside on containing hole 43 sidewalls.The four-core audio jack is provided with driving lever 45, and the toggle 46 that is used to promote the four-core audio jack on this driving lever 45 passes chute 44 and is arranged on housing 1 is connected.
Present embodiment is not when needing to use dual-channel audio interface 4, can be by toggle 46 with in the dual-channel audio interface 4 income containing holes 43, when needs use dual-channel audio interface 4, by toggle 46 dual-channel audio interface 4 release containing holes 43 are taken interface with the audio frequency/USB of other electronic equipments again and be connected, realize data transmission.
It should be noted last that, above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement, and not break away from the spirit and scope of the present invention the present invention.
Claims (9)
1. dual-interface memory card reading and writing device, it comprises a housing, and this outside is provided with USB interface, and inside is provided with read-write conversion and control module and memory module; Described USB interface connects described read-write conversion and control module, and described read-write conversion and control module connects described memory module; Described housing is provided with the socket that is used to plug solid-state memory card, and this socket is electrically connected with the read-write end of described read-write conversion and control module; Described read-write conversion and control module has and is used for described solid-state memory card and described memory module are selected the sheet selected control system circuit read and write, it is characterized in that described housing is provided with the dual-channel audio interface of a coaxial four-core, two the sound signal ends of this dual-channel audio interface and the corresponding connection of two data-signal ends of described USB interface; The corresponding connection of the earth terminal of described dual-channel audio interface with the earth terminal of described USB interface; The control signal end of described dual-channel audio interface is connected with the power end of described USB interface.
2. dual-interface memory card reading and writing device according to claim 1 is characterized in that described USB interface is USB plug or USB socket; Described USB plug is the big plug or the small plug of standard; Described USB socket is the big socket or the primary socket of standard.
3. dual-interface memory card reading and writing device according to claim 1 and 2 is characterized in that described USB interface is articulated on the described housing by pivot.
4. dual-interface memory card reading and writing device according to claim 1 is characterized in that described dual-channel audio interface is four-core audio jack or four-core audio socket.
5. dual-interface memory card reading and writing device according to claim 4 is characterized in that the tail end of described four-core audio jack is articulated on the described housing.
6. dual-interface memory card reading and writing device according to claim 5 is characterized in that offering on the housing storage tank that can hold the four-core audio jack, and the tail end of described four-core audio jack is articulated in an end of described storage tank.
7. dual-interface memory card reading and writing device according to claim 4 is characterized in that offering on the described housing containing hole that can hold the four-core audio jack, offers the chute that connects with described hull outside on this containing hole sidewall; Described four-core audio jack is provided with driving lever, and the toggle that is used to promote described four-core audio jack on this driving lever passes described chute and is arranged on described housing is connected.
8. according to claim 1 or 2 or 4 or 5 or 6 or 7 described dual-interface memory card reading and writing devices, it is characterized in that described socket is more than one.
9. dual-interface memory card reading and writing device according to claim 1 is characterized in that described socket is compact flash card or multimedia card interface or safe digital card or flash memory rapid memory card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100596788A CN100374987C (en) | 2005-03-31 | 2005-03-31 | Dual-interface memory card reading and writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100596788A CN100374987C (en) | 2005-03-31 | 2005-03-31 | Dual-interface memory card reading and writing device |
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| Publication Number | Publication Date |
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| CN1841271A CN1841271A (en) | 2006-10-04 |
| CN100374987C true CN100374987C (en) | 2008-03-12 |
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| CNB2005100596788A Expired - Fee Related CN100374987C (en) | 2005-03-31 | 2005-03-31 | Dual-interface memory card reading and writing device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581953B (en) * | 2008-05-16 | 2012-07-18 | 梁国恩 | Expansion card for external storage device |
| CN102467649A (en) * | 2010-11-10 | 2012-05-23 | 苏州星火磁电技术有限公司 | Magnetic card information reading method |
| CN103902247A (en) * | 2012-12-25 | 2014-07-02 | 联想(北京)有限公司 | Method for converting interface mode and electronic devices |
| CN110515561B (en) * | 2019-08-27 | 2022-09-16 | 江苏华存电子科技有限公司 | Dual-interface address hardware architecture suitable for NVMe (network video object) name space |
| CN112600036A (en) * | 2020-12-18 | 2021-04-02 | 南京元艺佳贸易有限公司 | Memory card USB changer with automatic wiping function |
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| CN2575744Y (en) * | 2002-10-22 | 2003-09-24 | 深圳市Tcl电脑科技有限责任公司 | Battery connector detecting device for notebook computer and battery thereof |
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| US6654841B2 (en) * | 2001-05-03 | 2003-11-25 | Power Quotient International Company, Inc. | USB interface flash memory card reader with a built-in flash memory |
| US6681991B1 (en) * | 2002-07-25 | 2004-01-27 | E Fly Solutions Company | Card reading device having a multi-functional connector |
| CN2671009Y (en) * | 2003-12-18 | 2005-01-12 | 浪潮电子信息产业股份有限公司 | Six-in-one card reader with its leading wires in front |
| CN2783427Y (en) * | 2005-04-18 | 2006-05-24 | 台均科技（深圳）有限公司 | Double-interface memory card accessing device |
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2005
- 2005-03-31 CN CNB2005100596788A patent/CN100374987C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6654841B2 (en) * | 2001-05-03 | 2003-11-25 | Power Quotient International Company, Inc. | USB interface flash memory card reader with a built-in flash memory |
| CN2580512Y (en) * | 2002-05-31 | 2003-10-15 | 宏碁股份有限公司 | Complex interface |
| US6681991B1 (en) * | 2002-07-25 | 2004-01-27 | E Fly Solutions Company | Card reading device having a multi-functional connector |
| CN2575744Y (en) * | 2002-10-22 | 2003-09-24 | 深圳市Tcl电脑科技有限责任公司 | Battery connector detecting device for notebook computer and battery thereof |
| CN2671009Y (en) * | 2003-12-18 | 2005-01-12 | 浪潮电子信息产业股份有限公司 | Six-in-one card reader with its leading wires in front |
| CN2783427Y (en) * | 2005-04-18 | 2006-05-24 | 台均科技（深圳）有限公司 | Double-interface memory card accessing device |
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Denomination of invention: Dual-interface memory card reading and writing device Effective date of registration: 20110307 Granted publication date: 20080312 Pledgee: Beijing Tiancheng Stone Investment Co. Ltd. Pledgor: Taiguen Technology (Shenzhen) Co., Ltd. Registration number: 2011990000068 |
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