KR100474862B1 - the information equipment having a interface for communication cable and power feeding cable and the power feeding cable - Google Patents

Abstract

An information device having an external communication cable and a charging cable interface according to the present invention may be provided with one USB (Universal Serial Bus) socket part in the information device, and a cable capable of being coupled to the socket part may include a USB for external communication. Cable and a charging cable for supplying power and, if necessary, communicate with an external device using a USB cable, or by supplying power to an information device using a charging cable, You can save money, and by not using a separate device, it can be connected to a PC with a smaller product.

Description

The information equipment having a interface for communication cable and power feeding cable and the power feeding cable}

The present invention relates to an information device and a charging cable having an external communication cable and a charging cable interface device.

In recent years, small information devices such as a notebook personal computer (digital computer) or a digital camera, a digital voice recorder, and a mobile phone are generally equipped with a USB (Universal Serial Bus) port.

FIG. 1 is a view showing that an information device is connected to a PC through a USB cable, and FIG. 2 is a schematic shape diagram in which the information device and the USB cable terminal shown in FIG. 1 are separated.

As shown, the first connection terminal 210 of the USB cable 200 is plugged into the USB socket 110 formed in the small information device 100, and the second connection terminal 230 is plugged into the PC 300. This makes it possible to expand the functionality of the notebook personal computer.

As such a small information device is not limited to having sufficient data processing capability, image data collected by a data camera can be inserted into a notebook personal computer for editing, or exchange of data between an electronic notebook and a notebook personal computer is possible. There is often an inevitable need to do. In this case, a USB port is used.

On the other hand, as the small information device has a charging port separate from the USB port, it is an obstacle to the miniaturization trend of the portable information device.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and provides an information device and a charging cable having an external communication cable and a charging cable interface device that can be used as both a USB cable adapter and a charging cable adapter. The purpose is.

An information device having an external communication cable and a charging cable interface according to the present invention for achieving the above object is an information device capable of communicating with an external device by combining an external communication adapter, the external communication adapter or A socket unit having a shape in which a charging adapter for supplying power to an information apparatus is inserted and coupled, a device determining unit determining whether the device mounted in the socket unit is an external communication adapter or a charging adapter, and a device determining unit When the external communication adapter is mounted according to the determination result, the controller comprises a control unit for performing communication with the external device connected through the external communication adapter mounted, and performing a charging mode that is supplied with power when the charging adapter is mounted. do.

In addition, the charging cable according to the present invention, in the charging cable for supplying power to the information device, is plugged into the USB coupling socket portion formed to be coupled to the USB cable to the information device, can be coupled, the power supply for charging In order to supply, it has two pins formed by pin arrangement corresponding to pin 1 (V_bus) and pin 4 (ground) of the USB coupling socket part.

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

3 illustrates an external communication cable and a charging cable interface device of an information apparatus according to the present invention.

Referring to FIG. 3, the socket 110 is provided with a support 115 for fitting the first terminal 210 of the USB cable, and pins 111, 1, 2, 3, and 4 on the support 115. , 112, 113, 114 are formed one after the other.

On the inner wall of the socket 110, a first coupling member 116 and a second coupling member 117 are formed so that the first terminal portion 210 of the USB cable fits snugly against the support 115.

On the other hand, when looking at the USB cable side, the first terminal portion 210 of the USB cable 1 which is in electrical contact corresponding to the pins 1, 2, 3, 4 of the socket portion 110 (111, 112, 113, 114) , Pins 211, 212, 213 and 214 are formed. In this case, the pins of the USB are generally used as pins 211: V_bus, pins 212: D +, pins 213: D-, and pins 214: ground.

The first connection terminal 210 of the USB cable 200 inserted into the USB socket 110 may be changed in various shapes according to the manufacturer's selection.

On the other hand, the charging cable (not shown, but the shape will refer to the first terminal portion 210 of the USB cable) forms a terminal portion having the same appearance as the first terminal portion 210 of the USB cable. At this time, in the terminal portion of the charging cable, only pin 1 (5V power input terminal) and pin 4 (for ground) are used in the arrangement of pins as shown.

That is, 1, 2, 3, and 4 pins 111, 112, 113, and 114 are formed in the socket part 110, and the cables are manufactured by dividing the cable into two types for a USB cable and a power cable.

At this time, the two types of cables have the same shape of the connection terminal portion, it can be used inserted into the socket portion (110). However, in the internal pin arrangement of each cable, all the pins 1, 2, 3, and 4 for USB need to be used, and only the pins 1 and 4 need to be used for the charging cable.

Let's look at the combination of a USB cable or a charging cable to the information device configured as described above.

When the first USB cable adapter 210 is inserted into the socket 110 of the information device, the first coupling part 215 and the second coupling part 216 of the first USB cable adapter 210 are connected to the socket part 110. It is inserted between the first coupling member 117 and the second coupling member 116 of the (). At this time, since the first coupling member 117 and the second coupling member 116 are made of a material having elastic force, the first coupling member 117 and the second coupling member 116 are fitted to each other by pushing the first USB cable adapter 210. Accordingly, each pin of the first USB cable adapter 210 is in electrical contact with each pin of the socket 110.

On the other hand, when the charging cable adapter (not shown) is inserted into the socket portion 110 of the information device, the charging cable adapter is also the first coupling member 117 and the second coupling member 116 of the socket portion 110 ) Are sandwiched between and combined. At this time, the pin 1 and the pin 4 formed in the charging cable adapter 210 is in electrical contact with the pins 1 and 4 of the socket portion 110, respectively.

4 is a configuration diagram of an information device having a socket for external communication and charging according to the present invention.

Referring to FIG. 4, the socket 110, the device determining unit 120, the controller 130, the external interface 140, and the peripheral IC 150 are installed in the information device 100. The socket 110 may be coupled to an external communication adapter 200 such as USB or a charging adapter 300 which is a connection terminal for a charging cable.

The socket unit 110 may be inserted into the external communication adapter 200 or the charging adapter 300.

The device determination unit 120 determines whether the device mounted in the socket 110 is the external communication adapter 200 or the charging adapter 300. To this end, when the external communication adapter 200 is mounted on the socket 110, the controller 130 detects the insertion of the external communication adapter 200, generates a first status signal to the controller 130, and charges the socket 110. When the adapter 300 is mounted, the adapter 300 may be configured to generate a second state signal. This can be done either mechanically or in software.

When the external communication adapter 200 is mounted according to the determination result of the device determining unit 120, the controller 130 communicates with an external device connected through the mounted external communication adapter 200, and the charging adapter ( When 300 is installed, overall control is performed to operate in a charging mode in which power is supplied. The controller 130 may be implemented as a microcomputer that can perform such a function.

The external interface 140 is an interface in which the information device outputs a signal to the outside or receives a signal from the outside. For example, an earphone port for plugging in an earphone jack or a microphone for receiving a voice signal may be used.

The peripheral IC 150 is a functional IC chip for performing a function of the information device according to the use of the information device.

 Let's look at the form of the cable is combined in the information device having the external communication cable and charging cable combined interface configured as described above.

When the USB cable adapter 200 or the charging cable 300 is inserted into the socket 110, the device determination unit 120, in the device determination unit 120, the mounted device is the USB cable adapter 200 or charging. It is determined whether or not the cable 300. In the case of the USB cable adapter 200, pins 1, 2, 3, and 4 are all formed in the arrangement of the pins. In the case of the charging cable 300, the pins 1 and 4 are arranged in the arrangement of the pins. As it is formed, it can be judged mechanically or by using a sensor. In this case, in the pin arrangement of the charging cable 300, in the pin arrangement of the conventional USB cable adapter, pins 1 and 4 may be left as they are and only the portions where pins 2 and 3 are formed may be cut off. Meanwhile, in the pin array structure of the conventional USB cable adapter, pins 1 and 4 may be left as they are, and only pins may not be formed at the portions where pins 2 and 3 will be formed.

If the device mounted on the socket 110 is a USB cable adapter 200, the controller 130 receives power and data transmitted from each pin to communicate with an external device, and the socket 110 When the device mounted in the charging cable 300, the control unit 130 is supplied with power through pins 1 and 4.

According to the present invention, there is provided a USB socket for an information device, and a cable that can be coupled to the socket, comprising a USB cable for external communication, a charging cable for supplying power, and a USB as necessary. By using a cable to communicate with an external device or by using a charging cable to supply power to an information device, you can save space on the device and more compact products by not using a separate device Can be connected to a PC.

1 shows an information device connected to a PC via a USB cable.

FIG. 2 is a schematic view showing the information device and USB cable terminal shown in FIG. 1 separated;

3 is a detailed configuration diagram of a socket portion and a USB cable terminal of the information apparatus shown in FIG. 2;

4 is a block diagram of an information device formed with an external communication and charging cable interface in accordance with the present invention.

<Description of the symbols for the main parts of the drawings>

100: information device 110: socket portion

111-114: 1, 2, 3, 4 pin 115: Support part

116: first coupling member 117: second coupling member

120: device determination unit 130: control unit

140: external interface 150: peripheral IC

200: USB cable 210: first USB connection terminal

211-214: 1, 2, 3, 4 pin 215: First coupling part

216: second coupling portion 220: cable

230: second USB connection terminal 300: charging adapter

Claims (4)

In the information device that can communicate with the external device is coupled to the external communication adapter, A socket part for detachably installing the external adapter or the charging adapter for supplying power to the information apparatus; A device determination unit determining whether the device mounted in the socket is the external communication adapter or the charging adapter; When the external communication adapter is mounted according to the determination result of the device determination unit, the controller performs communication with an external device connected through the external communication adapter mounted, and performs a charging mode in which power is supplied when the charging adapter is mounted. Information equipment having a dual-communication cable and charging cable interface including a. The method of claim 1, wherein the socket portion, And an external communication cable and a charging cable interface having a pin arrangement corresponding to the pin arrangement of the external communication adapter. The method of claim 1, The external communication adapter is pin 1: V_bus, pin 2: D +, pin 3: D-, pin 4: 4 pin USB cable used as ground, The charging adapter is an information device having an external communication cable and a charging cable interface, which is a 2-pin cable used for pin 1: V_bus and pin 4: ground. In the charging cable for supplying power to the information equipment, It can be plugged into a USB coupling socket formed to connect a USB cable to the information device, and corresponds to pins 1 (V_bus) and 4 (ground) of the USB coupling socket to supply charging power. Charging cable with two pins formed from one pin array.