TWI231415B - Portable storage device with bridge function - Google Patents

Abstract

The present invention provides a portable storage device with bridge function, which comprises: a first interface for electrically connecting to a first host; a second interface for electrically connecting to a second host; a storage medium for accessing data; and, a control unit, for controlling the first interface and the second interface for bridging between the first host and the second host, and at least providing the interface control of the first host for accessing the storage medium through the first interface.

Description

V. Description of the invention (1) 'In particular, a portable storage device which can provide two phases and has a storage medium available. With or without an external host [Technical field to which the invention belongs] This case is a portable storage device with the same interface control to bridge two hosts, and the machine has a Bridge function [previous technology] At present, a USB flash drive or an AMCO For USB interface, a universal serial bus (USB \ storage device, 1C, with one or more one ash (e = architecture. These portable storage devices, which have 56M bytes) points, can be directly The same side interface is plugged in. ~ Bao Nao = Those who have the convenience can access the portable storage and wear-in machine through the host computer, so that the storage capacity is 144 ^ disks, which is several times to 2 materials. A portable storage device with a USB interface has the advantage of consuming one hundred four, and also makes it a trend to replace magnetic disks. Huang's lack of use, but there are portable storage with a shirt interface: over 5 is to go through the _ interface Bridge two hosts: convenient: J has many advantages, alas, you must pass the USB interface bridge device, the mass storage device does not have the bridge function. U ^, the conventional portable I device and bridge device are now In the digital age, portable Save! Two very convenient tools for exchange. Sorry? • Deposit _ NT $ 100 and over NT $ 1000 to introduce this separately: Consumers must be male and female to enjoy the provided by them at any time The two products, which are accompanying, are quite cumbersome for consumers =. This user [purpose of the case] is tedious and troublesome. 1231415 V. Description of the invention (2) The purpose 'is to improve the use of portable devices without Bridge memory fX portable error with bridge function: access to the flash memory in the device and other storage media: connection No. 2: interface, can be connected via external connection cable or built-in connection cable " Host. Then, by means of the control unit of the device, bridge the two a _ person into the T-point communication. And the interface specification of the second interface, in addition to °, can also use serial or parallel interfaces such as IEEE1 3 94 .If the taxi, the consumer does not need to carry two products for portable storage and shellfish. [Summary of the Invention] [Achievement of the Invention] Secondly to achieve the above-mentioned purpose, the present case proposes a briquette storage device with a bridge function. Contains: a first interface, Electrically connected to a first host, a second interface, which can be electrically connected to a second host; a storage medium, which can be used to access data; and a control unit, which can control the first interface and The second interface bridges the first host and the first host, and at least the interface control for the first host to access the storage medium through the first interface can be provided. As described in the portable storage with bridging function Device, the first interface in # is a universal serial bus (USB, Universal Serial Bus) interface. As mentioned, a portable storage device with a bridge function, the first interface in # can use a plug mechanism to insert Connect the first host. As mentioned in the portable storage device with bridging function, the second

1231415

V. Description of the invention (3) The interface can be a serial interface or a parallel interface. As described, the interface with bridging function can be a universal serial bus (USB interface or IEEE1 94 interface. As described with a bridge The functional interface can use the slot or plug mechanism to connect to the second host. Portable storage device, where the serial, Universal Serial Bus) portable storage device, where the second can be electrically connected via an external first cable The storage device may further include one or two connecting wires for electrically connecting the portable storage device with a bridging function as described above, and an interface may be passed through the first host. As mentioned in the portable storage device with bridging function, the cable can be stored automatically or manually outside the device body. The clothing can be placed inside the body, or it can be exposed outside the device. If the portable storage device with a bridge function is connected, the bean medium can be a volatile memory (vram, Vq ^

Access Memory) or a non-volatile 亇 e an om

Vnl, D ^ F with ^ 5

Volatile Random Access Memory). Wherein the non-volatile storage memory with a bridge function as described above is a flash memory (Flash Me_ as described in the Cui unit with a bridge function can also provide the second host through two or two The interface is controlled by the control. &Quot; Accessing the storage medium on the surface [Embodiment] Please refer to the first figure for the bridging function of the preferred embodiment of the present invention.

V. Description of the invention (4) Engaging storage equipment 4. As shown in the figure 'Portable storage 11 with bridge function mainly includes control unit 111, flash memory]] 2 (Flasg human face 113 and USB interface 114. Among them, memory! S "USB interface U3 is the first One interface is the plug mechanism, which can be plugged in and the interface '. The USB interface 114 is the second interface, and the socket mechanism can be connected by an external π-USB connection cable 4 electrically connected to the second host 3 to 6 interfaces 13 : 'Control: Where ni also includes serial interface engine lin⑻e, & rial n erface Engine), first-in-first-out queue 1U2 (FiF〇, ^

First Out Queue), FIFO queue 1 1 1 3, serial interface interface 1 1 4 and direct memory access unit U15 (DMA, Me)

Access). J-function portable storage device " has data storage function of the portable storage device. When a portable storage device with bridging function 丨 丨 via USB interface 丨 丨 3 plug in the first host i2, second, and second device 12 can use the USB communication protocol through the control unit ⑴ n 2 $ / M 1 FIF 〇11 12 and DMA 1 115 to store data in Flash 1 12 or extract data from it. In addition to the storage media available for data storage, the main features of this book: 丄: ίϊί has a bridge function. The bridge connection of the first host 12 has been plugged in: u ^ The storage device 11 ′ can be reused—an external USB connection 4 (brother-connection cable) is electrically connected to the second host 13. W dagger, the first-master host 13, can control sie 1111 of Shan Chuan 1 through

FlF0 1113 and SIE 11 14 are bridged, and peer-to-peer (peer t0 peer) communication can be performed by using the USB communication protocol. Even further 1231415 5. In the description of the invention (5), the second host 1 3 can use the USB communication protocol 疋 ′ to access the data of the pash 112 through the control unit 111 in the same way as the first host 丨 2. In addition, in addition to the external connection of the jjSB cable 1 4, as shown in the second figure, the built-in USB cable 1 1 5 (second cable) can be used to directly connect the USB cable with a bridge function. On the portable storage device n. The built-in ⑽ ^ u cable u 5 can be exposed outside the device body, and a mechanism similar to a vacuum cleaner to automatically rewind the power cable can be used to store the built-in USB cable 115 inside the device body. In this way, not only is there no need to use a USB cable when bridging two hosts, but it is also more convenient to carry. The above-mentioned preferred embodiment of the present case is to expose the "USB interface as the second side" example. In practical application i, it can be extended to its = interface (such as IEEE 1 394, etc.) as a second interface to bridge = = Let users use USB and other interfaces to bridge two sets of use—specified hosts. By contrast, the case | face device must also have an interface engine with a second interface. In terms of heart-shaped storage, this case is for conventional technology Propose a change: a portable storage device with the same or different interface control to bridge two hosts, = = connection function, in addition to two books ^ plug and connect to the first host, provide 110 直 Γ direct storage media, etc. ; Take the built-in flash memory in the device to connect the second one electrically :::: after ;;; == wiring or yuan, bridging two hosts for point-to-point communication; later control sheet specifications, except USB In addition to the interface, you can also use a "face" interface, such as using IEEE1 394, etc.

1231415 V. Description of Invention (6) Interface. In this way, consumers do not need to purchase and carry two products separately for portable storage and bridging functions, but only use the device in this case to meet their needs. Even when using the built-in cable to connect the second host, you can save an external cable, which is very convenient and practical. The technology disclosed in this case may be implemented by those skilled in the art, and its unprecedented approach is also patentable, and it is necessary to file a patent application in accordance with the law. However, the above embodiments are not enough to cover the scope of patents to be protected in this case. Therefore, the scope of application for patents is attached as follows.

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[Brief description of the icon] This case can be illustrated by the following icon and details. Explanation, I got a deeper understanding ... Example of a portable storage connection cable with a bridging function The other figure in this case is not mainly 7L The figure numbers are as follows:, 6 rows 11: Portable storage with a bridging function Device…, 丨 1 ": Rate interface engine⑻E) 1112: first in first = early, (FIFO) no history in history queue 1313: first in first out queue (FIF0) 1114: string (SIE) Engine 11 1 5: Direct Memory Access Unit (DMA) 丨 丨 2: Flash (Flash) Memory 113. USB Interface 114. USB Interface 1 1 5: Built-in USB SB cable 1 2: First Host 121: USB interface 13: Second host 131: USB interface 14: USB cable

Claims (1)

1231415 VI. Scope of patent application 1 'A portable storage device with bridging function, which includes: a first interface, which can be electrically connected to a first host (Host); a second interface' Can be electrically connected to a second host (H0st); a storage medium 'accessible data; and a control unit' can control the first interface and the second interface to bridge the first host and the second Host, at least, the brigade can provide interface control for the first host to access the storage media through the first interface. 2. The portable storage device with bridging function as described in item 1 of the scope of the patent application, wherein the first interface is a universal serial bus (USB) interface. 3. The portable storage device with bridging function as described in item 1 of the scope of patent application, wherein the first interface can use a plug mechanism to plug in the first host. 4. The portable storage device with bridging function as described in item 1 of the scope of the patent application, wherein the second interface may be a serial interface or a parallel interface. 5. The portable storage device with bridging function as described in item 4 of the scope of patent application, wherein the serial interface may be a USB (Universal Serial Bus) interface or an IEEE1394 interface. 6 / The portable storage device with bridging function as described in item 1 of the patent application scope, wherein the second interface can use a slot or plug mechanism, and the second host can be electrically connected through an external first connection cable. Device The portable storage device with bridging function as described in item 1 of the scope of the patent application may further include a second connection line, and the second interface may pass through the first Page 11 1231415 6. Scope of patent application '^ ~ The connection cable is electrically connected to the second host. 8 strong, portable storage device with bridging function as described in item 7 of the scope of patent application, wherein the second connection line can be automatically or manually stored in the device, or it can be exposed outside the device body . 9. The portable storage device with bridging function as described in item 1 of the scope of the patent application, wherein the storage medium may be a volatile memory (VRAM, Volatile Random Access Memory) or a non-volatile memory ( NVRA Μ, Ν ο η-V ο 1 ati 1 e R andom A ccess M emory). 1 〇 The portable storage device with bridging function as described in item 9 of the scope of patent application, wherein the non-volatile memory is flash memory (F 丨 a Sh Memory) 〇11, as described in the scope of patent application The portable storage device with bridging function according to item 1, wherein the control unit can further provide interface control for the second host to access the storage medium through the second interface.