CN2731590Y - Removable flash memory storage device - Google Patents
Removable flash memory storage device Download PDFInfo
- Publication number
- CN2731590Y CN2731590Y CN 200420004923 CN200420004923U CN2731590Y CN 2731590 Y CN2731590 Y CN 2731590Y CN 200420004923 CN200420004923 CN 200420004923 CN 200420004923 U CN200420004923 U CN 200420004923U CN 2731590 Y CN2731590 Y CN 2731590Y
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- China
- Prior art keywords
- flash memory
- housing
- memory cards
- memory device
- circuit board
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- Expired - Fee Related
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Abstract
The utility model provides a removable type flash memory storage device, which comprises a casing, at least one flash memory card arranged in the casing for storing data, a printed circuit board, a connector and a flash memory card reader controller, wherein, the printed circuit board is arranged in the casing and comprises a plurality of contact pads. When the flash memory card is inserted, the contact pads are used for contacting with a plurality of electric contact pads in the flash memory card to form the electric connection. The connector is coupled to the printed circuit board for connecting with an outer connecting device. The flash memory card reader controller is arranged on the printed circuit board, and is capable of controlling the flash memory card and the connector.
Description
Technical field
The utility model relates to a kind of removable formula flash memory device, refers to a kind of USB Portable data storage device especially, and this structure provides a kind of settling mode of arranging cheaply, keep, protecting and connect of the flash memory cards in the housing.
Background technology
Before provided one of archives sharing functionality to be to use 3.5 cun disk sheets, but its normal capacity is restricted to 1.44Mbytes.Maturation day by day along with the multimedia application environment, the archives size also goes up many greatly than 1.44Mbytes usually now, though the dealer once attempted providing the disk sheet form of higher capacity, the disk sheet form of these higher capacity does not obviously obtain everybody favor and uses widely.
A kind of method that high power capacity archives sharing functionality is provided, it is to use a kind of USB of being called as Portable data storage device.Please refer to Fig. 1, it illustrates the synoptic diagram of the USB Portable data storage device of a known key-ring formula.As shown in the figure, this known USB Portable data storage device mainly comprises flash memory die 10, and this flash memory die 10 is arranged and provides the typical case according to kind be 32Mbytes to 2Gbytes and above memory storage space.An example of this USB Portable data storage device can be with reference to the 6th, 148, No. 354 patent cases of the U.S..This USB Portable data storage device is connected to computer apparatus via USB (Universal SerialBus) connector 11 of a standard; Archives between so easy permission different computers are shared.
This small-sized key-ring formula USB Portable data storage device is very easily for the user, yet its capacity but is to be subject to the flash memory die 10 defined information storage capacities that are welded on the printed circuit board (PCB) 12.Up to the present, do not provide the mode of upgrading on the market, increasing the capacity of data storage, it is extremely important to the environment that computer archive size today constantly increases progressively.
The utility model content
Therefore, the purpose of this utility model is, a kind of removable formula flash memory device is provided, and its mode that a kind of upgrading is provided to be increasing the capacity of data storage, and even the mode of this upgrading can simply finish by the user.
According to an embodiment of the present utility model, at least one flash memory cards is maintained at an enclosure interior, also comprise a printed circuit board (PCB) in this housing, with " A " type connector of a support electronic component and a USB interface, and there are a plurality of contact mats to be attached on this printed circuit board (PCB) with a flash memory card reader wafer with USB function.The housing of this device provides the guiding and the maintenance of storage card, but also allows the user to remove and change flash memory cards wittingly.
This housing has the slot opening of at least one flash memory cards when casting, this slot has the guiding channel that is cast in this housing, to place this flash memory cards safely extremely with respect to a plurality of contact mats place that is attached on this printed circuit board (PCB).The size of this slot and guiding channel is relevant with the flash memory cards kind that will insert.In addition, some comprise that the flash memory cards of key function is inserted into the storage card that stops incompatible pattern; These relevant key functions can be injected towards in the slot of this housing.The storage card of called optical imaging comprises Microdrive, multimedia flash memory cards (Multi-Media Card), safe digital card (Secure Digital Card), memory stick (Memory Stick (standard edition, professional version and DUO version)), the xD image store card of small-sized flash memory cards (Compact Flash (pattern I and pattern II)), IBM now, and clever media card (Smart Media Card).
The flash memory cards that is inserted into is maintained in this housing by the friction force of pinning in the function with integrally formed guidance function of housing or spring.In a desirable embodiment, when this flash memory cards is inserted in this housing, the rear surface of this flash memory cards can be brushed from the trailing edge of this housing, so that can be by the entering and remain in this housing of wall embeded formula, and a recess (notch) be formed on this housing to allow a using clip or analog to remove to remove this flash memory cards.The action that the rear surface of this flash memory cards was brushed when inserting can prevent that dust and rubbish from entering in the housing.
The contact mat of this flash memory cards directly is welded on the surface of this printed circuit board (PCB), and with the effectiveness that is aligned in the housing guide groove by printed circuit board (PCB), accurately be positioned over this flash memory cards in the housing and form and be electrically connected.
Use the removable formula flash memory device of this kind pattern, can make this removable formula flash memory device need (Card Detect, CD) insertion of removing to detect flash memory cards is not whether by this card detection signal of detecting.It supposes that at least one flash memory cards is inserted into.Especially, can suppose the storage of data and take out the basic function of this device, therefore not need to consider the function of flash memory cards mechanical location, this function in order to the indication write protection (WriteProtect, WP).
If in ablation process, what a flash memory cards can not be expected is removed, then be stored the globality of data may be impaired and data may lose.Hide this flash memory cards (and keeping this flash memory cards) by a moveable portion of this housing, this can be prevented.The moveable portion of this housing only just can not be removed when this removable formula flash memory device is connected to a USB socket connector, in this mode, this flash memory cards is without any may being removed, and this flash memory device is then obtained power supply because of its supply unit from USB socket and is activated.
Description of drawings
For making the auditor can further understand structure of the present utility model, feature and purpose thereof, below in conjunction with the detailed description of accompanying drawing and preferred embodiment as after, wherein:
Fig. 1 is a synoptic diagram, and it illustrates the synoptic diagram that one of known technology has the removable formula flash memory device of USB of non-removable flash memory.
Fig. 2 is a synoptic diagram, and it illustrates the synoptic diagram according to the removable formula flash memory device of a preferred embodiment of the present utility model.
Fig. 3 is a synoptic diagram, it illustrates the guide groove according to marshalling in the housing that is formed at removable formula flash memory device in the utility model one preferred embodiment, accurately to place a plurality of electric contact mat of this printed circuit board (PCB) (therefore these a plurality of electric contact mats are attached thereon) with respect to flash memory cards, guide groove is in order to place this flash memory cards, and guide groove is then in order to place the synoptic diagram of this printed circuit board (PCB).
Fig. 4 is a synoptic diagram, and it illustrates the synoptic diagram of arranging according to the main element of the removable formula flash memory device of the utility model one preferred embodiment in housing.
Fig. 5 is a synoptic diagram, and it illustrates the surface of brushing housing according to the rear surface of this flash memory cards in the utility model one preferred embodiment, and a recess has permission by the synoptic diagram that removes this flash memory cards function in this housing.
Fig. 6 (a) is a synoptic diagram, and it illustrates the synoptic diagram that only just can be inserted into or remove according to this flash memory cards in another preferred embodiment of the utility model when the connector of this device is not connected to any other device.
Fig. 6 (b) is a synoptic diagram, and it illustrates when only the removable part in this housing slips over above this connector in another preferred embodiment of the utility model, and this flash memory cards just can be by the synoptic diagram of access.
Embodiment
Note that following examples herein only are the examples of many favourable purposes of innovation teaching.Generally speaking, the elaboration in this case instructions does not limit any creation in the creation of various claims.In addition, some elaboration can be applicable to some character of innovation, and can not be applied to further feature.Generally speaking, if not indicated otherwise, select the odd number element and can be complex elements, vice versa, and be without loss of generality.
Please refer to Fig. 2, it illustrates the synoptic diagram according to the removable formula flash memory device of a preferred embodiment of the present utility model.As shown in the figure, removable formula flash memory device of the present utility model comprises: a connector 2, one printed circuit board (PCB)s 3, and a plurality of contact mats 31, at least one flash memory cards 4, one flash memory card reader controllers 32, and a housing 5 is formed.Be understandable that only to show a flash memory cards 4 among Fig. 2, yet also be to be housed inside simultaneously in this flash memory device more than the flash memory cards of a flash memory cards 4 or other pattern.
Wherein, this connector 2 is such as, but be not limited to being a USB, IEEE 1394 or tandem ATA connector, in order to being connected to other device, such as, but be not limited to for having the PC of similar connector.This housing 5 is in order to carrying this printed circuit board (PCB) 3, this a plurality of contact mats 31 and at least one flash memory cards 4, and provides in order to guiding and keep at least one card guiding of storage card and keep groove 511,521 (please refer to Fig. 3).And these a plurality of contact mats 31 are such as, but be not limited to being a plurality of gold-plated spring contact mats.This flash memory card reader controller 32 is placed on this printed circuit board (PCB) 3, and has the ability of this at least one flash memory cards 4 of control and this connector 2.
This at least one flash memory cards 4, be placed in this housing 5 in order to store data, wherein, this at least one flash memory cards 4 comprises a plurality of electric contact mats 31, and can be inserted into this housing 5 via this card guiding and maintenance groove 511, or from this housing 5, be removed.Wherein, the storage card of called optical imaging comprises Microdrive, multimedia flash memory cards, safe digital card, memory stick (standard edition, professional version and Duo version), the xD image store card of small-sized flash memory cards (pattern I and pattern II), IBM now, and clever media card etc.
Please refer to Fig. 3, it illustrates the guide groove 511 according to marshalling in the housing 5 that is formed at removable formula flash memory device in the utility model one preferred embodiment, accurately to place a plurality of electric contact mat 41 of this printed circuit board (PCB) 3 (therefore these a plurality of electric contact mats 31 are attached thereon) with respect to flash memory cards 4, guide groove 511 is in order to place this flash memory cards 4, and guide groove 521 is then in order to place this printed circuit board (PCB) 3.As shown in Figure 3, this integrally formed housing 5 has at least one flash memory cards 4 and is inserted in the opening of guide groove 511, and wherein, a slot 51 is formed in order to place flash memory cards 4.And guide groove 521 does not have opening, and in order to place this printed circuit board (PCB) 3.Especially, be formed at this guide groove the 511, the 521st of these housing 5 inside in one piece, in order to place this flash memory cards 4 safely to respect to a plurality of metal spring contact mats 31 places of attached work on this printed circuit board (PCB) 3.The size of this guide groove 511,521 and guide groove opening determines according to flash memory cards 4 patterns of being accepted.In addition, some flash memory cards patterns comprise that the key function is inserted into to stop inconsistent memory card.These relevant key functions can be injected towards housing 5 and insert in the slot 51.Be inserted in the flash memory cards 4 in the slot 51, can be maintained in this housing 5 by the friction force of pinning in the function with integrally formed guidance function of housing 5 or spring.
This printed circuit board (PCB) 3 is placed in this housing 5, and below flash memory cards 4, comprise a plurality of contact mats 31 (please refer to Fig. 4), when this flash memory cards 4 is inserted into, in order to this flash memory cards 4 in a plurality of electric contact mat 41 contact with formation and be electrically connected; And one flash memory card reader controller 32 be placed on this printed circuit board (PCB) 3, and have the ability of control this at least one flash memory cards 4 and this connector 2.
Removable formula flash memory device of the present utility model allows to provide a low cost solution to a upgrading based on the removable formula storage device of flash memory cards.With respect to known technology (please refer to Fig. 1) flash memory is welded in (being non-removable therefore) on the printed circuit board (PCB) 12, a flash memory cards 4 is inserted in the housing 5 via slot 51 in this case.When this flash memory cards 4 is fully inserted into, will be by the surface brush mistake of housing 5, or be hidden in the housing little by little (approximate number millimeter).This slot 51 can be placed on the surface of back device or the sidewall or on its top or the basal surface, or a kind of combinations of placing many card configurations.
Have integrally formed slot 51 in this housing 5, this slot 51 will cause this flash memory cards 4 to be placed in the accurate holding position, also may have specific key function and be inserted into to stop inconsistent memory card pattern.The flash memory cards 4 of called optical imaging comprises Microdrive, multimedia flash memory cards, safe digital card, memory stick (standard edition, professional version and Duo version), the xD image store card of small-sized flash memory cards (pattern I and pattern II), IBM now, and clever media card etc.Expection also has new storage card formats in the future and occurs, though its physical size and/or shape may be diversified, but but they will share the characteristic that the Portable flash memory is connected to the electric contact mat of outside access, and therefore can be used in the utility model.
In manufacture process, this printed circuit board (PCB) 3 can be assembled in this housing 5, and it is placed in the defined guide groove 521, so that accurately align with this housing 5.
Please refer to Fig. 4, it illustrates in the removable formula flash memory device according to the utility model one preferred embodiment, the arrangement of main element in housing.As shown in Figure 4, a plurality of contact mats 31 are welded on the printed circuit board (PCB) 3, so that contact with a plurality of electric contact mat 41 on the flash memory cards 4.Accurate driving fit can be guaranteed by the effectiveness of the guide groove in the housing 5 511,521, so that align this flash memory cards 4 and this printed circuit board (PCB) 3 between them.In this mode, the storer of needs one standard and connecting element are to avoid increasing cost.
Please refer to Fig. 5, it illustrates the surface of brushing housing 5 according to the rear surface of this flash memory cards 4 in the utility model one preferred embodiment, and a recess 53 has permission by the synoptic diagram that removes the function of this flash memory cards 4 in this housing 5.As shown in Figure 5, this flash memory cards 4 can be by using a clip (figure does not show) or analog to insert in this recess 53 to remove this flash memory cards 4.
Please refer to Fig. 6 (a), it illustrates according to this flash memory cards 7 in another preferred embodiment of the utility model only when the connector 9 of this device is not connected to any other device, just the synoptic diagram that can be inserted into or remove.Shown in Fig. 6 (a), comprise according to the removable formula flash memory device of another preferred embodiment of the utility model: one comprises the housing 6 of a fixed part 61 and a removable part 62, and wherein, this fixed part 61 further comprises a guide groove 63.At least one flash memory cards 7 is placed in this fixed part 61, and can be inserted into this fixed part 61 or be removed from this fixed part 61 via this guide groove 63, and each flash memory cards 7 comprises a plurality of electric contact mats 71.One printed circuit board (PCB) 8 is placed in this housing 6, and comprises a plurality of metal contact pads 81, in order to contact with a plurality of electric contact mat 71 in this flash memory cards 7, is electrically connected with formation.A connector 9 is coupled to this printed circuit board (PCB) 8, in order to be connected to an external device (figure does not show).And a flash memory card reader controller 82 is to be placed on this printed circuit board (PCB) 8, and have control on this fixed part 61 at least one flash memory cards 7 and the ability of this connector 9.Thus, have only when this removable part 62 slides past the top of this connector 9, but the flash memory cards 7 on this fixed part 61 of ability access.Therefore, can avoid in ablation process, removing the possibility of this flash memory cards 7 by the removable part 62 in this housing 6 of use.
Wherein, this connector is for example and without limitation to USB, IEEE 1394 or tandem ATA connector, in order to being connected to other device, such as, but be not limited to being one to have the PC of similar connector.The flash memory cards 7 of called optical imaging comprises Microdrive, multimedia flash memory cards, safe digital card, memory stick (standard edition, professional version and Duo version), the xD image store card of small-sized flash memory cards (pattern I and pattern II), IBM now, and clever media card etc.Expection also has new storage card formats in the future and occurs, though its physical size and/or shape may be diversified, but but they will share the characteristic that the Portable flash memory is connected to the electric contact mat of outside access, therefore can be used in the utility model.
Please refer to Fig. 6 (b), it illustrates when only the removable part 62 in this housing 6 slips over above this connector 9 in another preferred embodiment of the utility model, and this flash memory cards 7 just can be by the synoptic diagram of access.Shown in Fig. 6 (b), it only shows when the removable part 62 in this housing 6 slips over above this connector 9, and this flash memory cards 7 just has possible by access.This removable part 62 slips over the action of these connector 9 tops, makes it can't be applicable to other any device at this moment.Have integrally formed flash memory cards guide groove 63 in the fixed part 61 of this housing 6, this guide groove 63 only this removable part 62 be covered in this connector 9 above the time just can be by access.When this device of operation, this removable part 62 must be covered to hide this guide groove 63 and this flash memory cards 7.
Because this device is the flash memory device of a removable formula, its hypothesis storage card exists, does not therefore need the state of detection card detection signal (CD).So can save at least one electric contact mat 81.
Because this device need read and write two kinds of functions of data, also can suppose not need to detect write protection (WP) function.So can save at least one electric detection switch (figure does not show), with the position of any write protection tongue piece or other function in the detecting storage card.
Knowing this skill personage it should be understood that, the embodiment of many reality can be realized surely in the utility model, with accurate placement printed circuit board (PCB) to corresponding to the position of flash memory cards, alignd accurately with the electric contact mat of guaranteeing flash memory cards, as teaching of the present utility model and do not break away from its spirit.
What the utility model disclosed is preferred embodiment, the change of every part or modification and come from technological thought of the present utility model and be familiar with this technology the people was easy to know by inference, all do not break away from patent right category of the present utility model.
Claims (15)
1. removable formula flash memory device is characterized in that it comprises:
One housing in order to carrying aftermentioned element, and at least one card guiding is provided and keeps groove;
At least one flash memory cards in order to store data is placed in this housing, and wherein this at least one flash memory cards comprises a plurality of electric contact mats, and can be inserted into this housing via this card guiding and maintenance groove, or is removed from this housing;
One printed circuit board (PCB) is placed in this housing, and comprises a plurality of contact mats, when this flash memory cards is inserted into, in order to this flash memory cards in a plurality of electric contact mat contact with formation and be electrically connected;
One in order to be connected to the connector of an external device, is to be coupled to this printed circuit board (PCB); And
One flash memory card reader controller is placed on this printed circuit board (PCB), and has the ability of this at least one flash memory cards of control and this connector.
2. removable formula flash memory device as claimed in claim 1 is characterized in that, wherein guiding of the card of this flash memory cards and maintenance groove are to be made in this housing with integrally formed.
3. removable formula flash memory device as claimed in claim 1 is characterized in that, wherein guiding of the card of this printed circuit board (PCB) and maintenance groove are to be made in this housing with integrally formed.
4. removable formula flash memory device as claimed in claim 1 is characterized in that wherein this flash memory cards is mechanically being kept, and extracts unexpectedly or loses preventing.
5. removable formula flash memory device as claimed in claim 1, it is characterized in that, wherein when this flash memory cards is inserted in this housing, this flash memory cards can be brushed from the trailing edge of this housing, so that can entering and remaining in this housing by the wall embeded formula, and a recess is formed on this housing, to allow a using clip or analog to remove to remove this flash memory cards.
6. removable formula flash memory device as claimed in claim 1 is characterized in that wherein this contact mat is gold-plated spring contact mat, and directly is welded on this printed circuit board (PCB).
7. removable formula flash memory device as claimed in claim 1 is characterized in that, wherein this connector is to be USB, IEEE 1394 or tandem ATA connector.
8. removable formula flash memory device is characterized in that it comprises:
One housing comprises a removable part and a fixed part, and wherein this fixed part further comprises a guide groove;
At least one flash memory cards is placed in this fixed part, and can be inserted into this fixed part or be removed from this fixed part via this guide groove, and each flash memory cards comprises a plurality of electric contact mats;
One printed circuit board (PCB) is placed in this housing, and comprises a plurality of metal contact pads, in order to this flash memory cards in a plurality of electric contact mat contact with formation and be electrically connected;
One in order to be connected to the connector of an external device, is to be coupled to this printed circuit board (PCB); And
One flash memory card reader controller is placed on this printed circuit board (PCB), and have control on this fixed part at least one flash memory cards and the ability of this connector;
Thus, have only when this removable part slides past the top of this connector, but the flash memory cards on this fixed part of ability access.
9. removable formula flash memory device as claimed in claim 8 is characterized in that, wherein this fixed part comprises that further one inserts guide groove, this insertion guide groove only this removable part slide past this connector above the time, just can be by access.
10. removable formula flash memory device as claimed in claim 8 is characterized in that, wherein this contact mat is to be gold-plated spring contact mat, and directly is welded on this printed circuit board (PCB).
11. removable formula flash memory device as claimed in claim 8 is characterized in that wherein being electrically connected on this flash memory cards can be omitted the card detection signal.
12. removable formula flash memory device as claimed in claim 8 is characterized in that wherein the function of any write protection flash memory cards of this detecting state can be omitted.
13. removable formula flash memory device as claimed in claim 9 is characterized in that wherein this insertion guide groove is hidden by the removable part of this housing.
14. removable formula flash memory device as claimed in claim 8 is characterized in that, wherein the removable part of this housing only just can not be removed when this removable formula flash memory device is connected to a socket device.
15. removable formula flash memory device as claimed in claim 8 is characterized in that, wherein this connector is to be USB, IEEE 1394 or tandem ATA connector.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73838003A | 2003-12-16 | 2003-12-16 | |
| US10/738,380 | 2003-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731590Y true CN2731590Y (en) | 2005-10-05 |
Family
ID=34574722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420004923 Expired - Fee Related CN2731590Y (en) | 2003-12-16 | 2004-03-02 | Removable flash memory storage device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN2731590Y (en) |
| TW (1) | TWM253045U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10866746B2 (en) | 2017-12-28 | 2020-12-15 | Silicon Motion Inc. | Memory addressing methods and associated controller, memory device and host |
| TWI709858B (en) * | 2017-12-28 | 2020-11-11 | 慧榮科技股份有限公司 | Flash memory controller, sd card device, method used in flash memory controller, and host for accessing sd card device |
-
2004
- 2004-02-27 TW TW93202877U patent/TWM253045U/en not_active IP Right Cessation
- 2004-03-02 CN CN 200420004923 patent/CN2731590Y/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TWM253045U (en) | 2004-12-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: IO INTERCONNECTION CO., LTD. Free format text: FORMER OWNER: I O INTERCONNECT INC. Effective date: 20111009 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111009 Address after: The 92705 California Antoine Seoul city weikeham East Road No. 1202 Patentee after: Io Interconnection Co., Ltd. Address before: The 92705 California Antoine Seoul city weikeham East Road No. 1202 Patentee before: I O Interconnect Inc. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051005 Termination date: 20130302 |