KR20080083928A - Multifunctional portable USB hub device and data backup method using same - Google Patents

Abstract

The present invention relates to a multifunctional portable USB hub device and a data backup method, comprising: a data transmission / reception unit, an RFID chip unit, a memory unit, a battery unit, a switch unit, and a controller, and configured to store data of a portable external device connected to the data transmission / reception unit. A method of backing up to the memory unit.

The present invention provides a multi-functional portable USB hub device, comprising: a data transmission / reception unit electrically connected to a computer or one or more portable external devices to transmit and receive data; A memory unit used as a removable storage device and serving as an expansion memory of the controller; An RFID chip unit connected to the data transmission / reception unit to charge or settle an amount of money that can be used as electronic money online and store the usage history in the memory unit; A battery unit which is charged under the control of a controller when the data transceiver is connected to the computer, and supplies power to the portable external device when connected to a portable external device; A switch unit for generating a command in the controller to store data of a portable external device connected to the data transceiver; And a control unit connected to the data transceiver, a memory unit, an RFID chip unit, a battery unit, and a switch unit to control an operation.

Description

Multifunctional portable USB hub device and data backup method using the same {Multifunctional portable USB hub equipment and using it method of data backup}

1A is a block diagram showing a basic configuration of the present invention,

Figure 1b is a perspective view of a multifunctional portable USB hub device according to an embodiment of the present invention.

2 is a flowchart illustrating a data backup process of the present invention;

<Explanation of symbols for main parts of the drawings>

100: Multifunctional Portable USB hub device

110: control unit 120: data transmission and reception unit

121: UESB terminal 122: mini USB terminal

123: TTA standard 24-pin connector 130: memory

140: RFID chip unit 150: battery unit

160: switch unit

The present invention relates to a multifunctional portable USB hub device including a transportation card, a mobile storage device, a portable terminal cable, a USB cable and a charger, and a data backup method using the same. More particularly, in the multifunctional portable USB hub device and a data backup method, The present invention relates to a method of backing up data of an external device including a data transceiver, an RFID chip unit, a memory unit, a battery unit, a switch unit, and a controller, and connected to the data transceiver.

At present, the functions of various portable electronic devices such as mobile phones have been improved at a very high speed, and have been developed into multimedia devices that go beyond the functions of cameras, telephones, and MP3 players. Because of this, the storage space continues to run short, so it must be connected to a computer from time to time to store the data in the computer and to delete the data from the portable electronic device to secure the storage space. In addition, even when the battery is fully charged in the process of storing and reproducing high-capacity data, there is a problem that it is quickly discharged.

In addition, portable storage devices generally use diskettes or CDs, but diskettes have a small storage capacity and are not safe from physical damage. A CD can store a large amount of data, but in order to store data, a CD-ROM / WRITER capable of recording data must be installed, and a cumbersome process of storing data on a CD is required. Moreover, once used CDs cannot be modified.

Recently, there is a memory device that is connected by using the USB port, but this is merely an external device that depends on the computer, it can not be used in conjunction with other electronic devices other than the computer. In other words, there is no function other than the function to save data in conjunction with the computer.

Conventional portable storage devices can be connected to a USB host, that is, a device that provides a USB controller, such as a computer, to store, delete, and modify data only through the host. Therefore, when the computer is not available, such as when going out or traveling, there is a problem that can not move the data stored in the portable storage device.

In addition, conventionally, when using public transportation such as a bus or subway, the public transportation was carried by carrying a transportation card of a card type or a transportation card of a mobile phone accessory type. However, in the case of these transportation cards, after using the charged amount, the amount must be charged and used at the designated charging station at the subway station or bus station. In addition, there is a problem that can be known only to approach the terminal while boarding the bus or subway to check the remaining amount.

The present invention devised to solve the problems of the prior art as described above can add the memory to the USB hub and install the operating system that provides a host function in the control unit can store the data of the external USB device or the mobile phone in the internal memory only by the hub itself. The purpose is to provide a multifunctional portable hub device and a data backup method.

In addition, by using the battery unit that is charged with power through the USB terminal connected to the computer to supply power to the portable external devices that discharge the battery during use, and to operate and charge, when carrying the transportation card using the RFID chip Another purpose is to provide a multifunctional portable hub device that can also be used.

The object of the present invention is to provide a multifunctional portable USB hub device

A data transmission / reception unit electrically connected to a computer or one or more portable external devices to transmit and receive data; A memory unit used as a removable storage device and serving as an expansion memory of the controller; An RFID chip unit connected to the data transmission / reception unit to charge or settle an amount of money that can be used as electronic money online and store the usage history in the memory unit; A battery unit which is charged under the control of a controller when the data transceiver is connected to the computer, and supplies power to the portable external device when connected to a portable external device; A switch unit for generating a command in the controller to store data of a portable external device connected to the data transceiver; And a control unit connected to the data transmission / reception unit, the memory unit, the RFID chip unit, the battery unit, and the switch unit to control the operation.

Another object of the present invention is a first step of recognizing that the portable external device is connected to the data transmission and reception unit; A second step of receiving a signal generated by the switch unit from the control unit and generating a data movement command in the control unit; A third step of terminating a job when the data capacity of the portable external device connected to the data transceiver is greater than the remaining capacity of the memory unit by comparing the data capacity of the portable external device with the remaining capacity of the memory unit by the controller; A fourth step of acquiring data of the portable external device from the controller when the data capacity of the portable external device connected to the data transceiver is less than the remaining capacity of the memory unit; A fifth step of storing the acquired data in the memory unit

It is achieved by a data backup method using a multifunctional portable USB hub device comprising a.

Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1a is a block diagram showing the basic configuration of the present invention and Figure 2b is one of a perspective view according to an embodiment of the present invention.

1A and 1B, the multifunctional portable USB hub device 100 includes a control unit 110, a data transmission / reception unit 120, a memory unit 130, an RFID chip unit 140, a battery unit 150, and a switch unit. It consists of 160.

The control unit 110 is included in the multifunctional portable USB hub device 100 and controls a device directly connected to the control unit 110. The devices connected to the control unit 110 are the data transmission / reception unit 120, the memory unit 130, the RF ID chip unit 140, the battery unit 150, and the switch unit 160. Each of the components follows a control command of the controller, and interlocks and controls the firmware using an embedded firmware stored in the controller.

The data transmission / reception unit 120 is a device having a hub function for connecting an external USB device or a portable terminal device, and may connect the controller 110 to an external device including a USB device, that is, a USB device, including a computer. In addition, the data transmission and reception unit 120 includes a USB terminal 121 connected to communicate with the USB host and a mini USB terminal 122 and a 24-pin connector 123 connected to and communicated with a portable external device or a portable terminal. It functions as a hub of external devices connected to the USB terminal 121, the mini USB terminal 122, and the 24-pin connector 123.

The memory unit 130 may store data through data transmission / reception with a computer or portable external devices connected to the data transmission / reception unit 120. Access permission of the memory unit 130 to store, delete or modify data is controlled by the controller 110 by the user.

The RFID chip unit 140 is a device that can be used as a transportation card and electronic money, and can be used in the same manner as a conventional contactless transportation card. When the data transmission and reception unit 120 is connected to a computer, the user can access the traffic system server online and charge the money using a computer, and can also charge the charging station in the same manner as in the related art.

Whenever the RFID chip unit 140 is wired or wireless, the contents are stored in the memory unit 130 through the control unit 110, and the stored contents are checked using a computer. Can be.

The battery unit 150 supplies power to a mini external USB terminal 122 or a 24-pin connector 123 when the portable external device or the portable terminal is connected. The power supplied by the battery unit may temporarily activate a portable external device that is exhausted of an internal battery or charge a battery of the portable external device.

In addition, the power supply for storing the usage history of the RFID chip unit 140 as data in the memory 130 is supplied. However, since the battery unit 150 needs to supply power to the controller 110, the memory unit 130, and the RFID chip unit 140 from time to time, when the remaining amount of the battery unit 150 falls below a predetermined amount, the controller 110 supplies power. Block this from flowing out.

When the USB terminal 121 is connected to a USB host providing a USB controller such as a computer, a power of 4.5-5V is input. When the controller 110 recognizes a signal that power is input to the USB terminal 121, the controller 110 checks the remaining amount of the battery unit 150 and then applies power to charge the battery unit 150. The controller 110 detects the amount of charge of the battery unit 150 and stops charging by cutting off the power flowing from the USB terminal 121 when the charging is completed.

The switch unit 160 generates a signal for storing data stored in the portable external device in the memory unit 130 by the control unit by a signal generated by the operation of the switch as an emergency operation switch. The switch unit 160 is a slide-type switch having a spring inside, and a button is located at either end of the left or right side, and when moved to the opposite end, a signal is transmitted to the control unit 110, and due to the action of the spring The position of the button returns to the original position. The control unit 110 receiving the signal may perform a data backup function for generating data movement commands therein and storing data stored in the portable external device in the memory unit 130.

2 is a flowchart illustrating a data backup process of the present invention. Referring to FIG. 2, when a portable external device is connected to the data transmission / reception unit, a preparation for connecting to the portable external device is made (S210). The process checks the vendor ID and the product ID to determine the type and characteristics of the portable external device, searches for a device driver included in the controller, and loads a driver corresponding to the portable external device. Through the driver, the control unit has access rights of the portable external device and consists of acquiring information on internal data of the portable external device.

When a data movement command is generated to the control unit through the switch unit (S220), the control unit connects to the portable external device to determine the capacity of the data stored in the portable external device and compares it with the capacity that can be stored in the memory unit of the multifunctional portable USB hub device (S230). ). If the data capacity of the portable external device is larger than the capacity of the memory unit, the controller generates an error signal and terminates the data backup operation. On the contrary, when the volume of data stored in the portable USB hub device is smaller than the capacity that can be stored in the memory unit, the controller acquires data stored in the memory of the portable external device (S240). The acquired data is written to the memory unit of the multifunctional portable USB hub device via a register in the control unit (S250). The process of acquiring and storing data appears in different forms according to the type of programming language in which the firmware of the controller is coded.

As an embodiment, when the programming language used to code the control unit is an assembly language, an immediate address designation method for storing data in a register using a mov instruction or internal RAM, a general register Rn (= R0 to R7), and an accumulator Register address designation method to move and store data between registers and direct address designation method to move data of the corresponding address can be used by designating value between 0000H ~ FFFFH which is memory address of portable external device.

In addition, indirect address designation method of moving data by designating indirect address address of Ri (= R0, R1…) to external memory using movx command and indexed address reading data of program memory using movc command Methods can be used.

Although the present invention has been shown and described with reference to the preferred embodiments as described above, it is not limited to the above embodiments and those skilled in the art without departing from the spirit of the present invention. Various changes and modifications will be possible.

Therefore, the multifunctional portable UBS hub device and the data backup method of the present invention can integrate and interoperate with a portable terminal cable, a USB cable, a portable temporary charging device, a mobile storage device, and a transportation card. The internal battery that can be recharged through the power input to the USB terminal can supply power to the portable external device, and can check the usage history of the transportation card and charge the amount to be used through an online connection.

In addition, the present invention is provided with an emergency operation switch for generating a data movement command, when connected to the portable external device, it is possible to back up the data stored in the memory of the portable external device by the operation of the emergency operation switch.

Claims (4)

In the multifunctional portable USB hub device A data transmission / reception unit electrically connected to a computer or one or more portable external devices to transmit and receive data; A memory unit used as a removable storage device and serving as an expansion memory of the controller; An RFID chip unit connected to the data transmission / reception unit to charge or settle an amount of money that can be used as electronic money online and store the usage history in the memory unit; A battery unit which is charged under the control of a controller when the data transceiver is connected to the computer, and supplies power to the portable external device when connected to a portable external device; A switch unit for generating a command in the controller to store data of a portable external device connected to the data transceiver; And A control unit connected to the data transceiver, a memory unit, an RFID chip unit, a battery unit, and a switch unit to control an operation Multifunctional portable USB hub device comprising a. The method of claim 1, wherein the data transmission and reception unit A USB terminal for connecting to a control unit by connecting to the external device; A 24-pin connector for connecting the control unit to the portable external device; And A mini USB terminal for connecting the portable external device controller; Multifunctional portable USB hub device further including. A first step of recognizing that the portable external device is connected to the data transmission / reception unit; A second step of receiving a signal generated by the switch unit from the control unit and generating a data movement command in the control unit; A third step of terminating a job when the data capacity of the portable external device connected to the data transceiver is greater than the remaining capacity of the memory unit by comparing the data capacity of the portable external device with the remaining capacity of the memory unit by the controller; A fourth step of acquiring data of the portable external device from the controller when the data capacity of the portable external device connected to the data transceiver is less than the remaining capacity of the memory unit; A fifth step of storing the acquired data in the memory unit Data backup method using a multifunctional portable USB hub device comprising a. The method of claim 4, wherein the first step A first step of transmitting, by the portable external device, a signal connected to the data transceiver to the controller; A second step of recognizing, by the controller, vendor ID and product ID information of the portable external device; A third step of preparing, by the controller, a device driver corresponding to the portable external device by using the recognized information; And A fourth process of executing the driver and acquiring access rights of data by accessing the controller of the portable external device from the controller; Data backup method using a multifunctional portable USB hub device comprising a.

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