KR200350142Y1 - game pad for mobile - Google Patents

Abstract

The present invention relates to a game pad for a personal portable terminal, comprising an interface connector for connecting to the personal portable terminal to perform an interface, a plurality of function key buttons and direction key buttons, and providing a key selection signal corresponding to each key button. Transmitting the generated key input unit, an expansion slot for loading and unloading a memory card, data of the memory card loaded in the expansion slot, and a key selection signal generated through the key input unit to the interface connector, In response to the data and control signals received through the control unit for controlling the overall operation, and generates a driving voltage to the key input unit and the control unit, and generates a DC voltage for charging the personal portable terminal to the interface connector Characterized in that it comprises a power supply unit for outputting do. This maximizes the utilization of the gamepad.

Description

Game pad for mobile handset {game pad for mobile}

The present invention relates to a game pad for a personal portable terminal, and more particularly, to a game pad that enables users to enjoy various mobile games more easily by interworking with a personal portable terminal such as a mobile phone or a personal digital assistant (PDA).

Personal handheld devices, such as mobile phones and personal digital assistants (PDAs), have been able to support more memory and operating speeds due to the development of rapidly developing communication and memory technologies. Such a personal mobile terminal can support various functions such as sending / receiving call function as well as various information such as weather information, stock information, road traffic information, music listening function, and online / offline game function. It became.

Accordingly, a user has manipulated a game mounted in a mobile phone's own memory or an online game through the Internet using a keypad of a personal portable terminal. However, since the various function keys and the numeric keys of the personal portable terminal are small and compactly arranged, there is a problem that it becomes difficult to enjoy a game that is increasingly complicated due to the poor operability.

Accordingly, a number of game pads have been proposed that allow users to more easily manipulate a game provided through a mobile phone through various operation keys such as a direction key and a shooting key provided on the outer surface of the main body of the personal portable terminal.

However, the conventional game pad is mainly intended to facilitate a user's key operation, and remains at a level that expands the physical size and operation space of various function keys and numeric keys of a personal portable terminal.

In addition, the conventionally proposed game pad has been provided with a power source for operation from the charging battery of the personal portable terminal. As a result, the rechargeable battery of the personal portable terminal is quickly consumed, and there is an inconvenience in that the user frequently needs to recharge the rechargeable battery of the personal portable terminal.

An object of the present invention is to solve the above problems, and is provided with a separate power supply means to independently generate the operating power itself and at the same time provide a charging voltage to the personal portable terminal to recharge the battery of the personal portable terminal To provide a gamepad that allows you to

Another object of the present invention is to provide a game pad that can load a removable memory card to expand the memory area of the personal portable terminal to provide more game content.

A game pad for achieving the above objects is provided with an interface connector for performing an interface connected to a personal portable terminal, a plurality of function key buttons and direction key buttons, and a key for generating a key selection signal corresponding to each key button. An input unit, an expansion slot for loading and unloading a memory card, data of a memory card loaded in the expansion slot, and a key selection signal generated through the key input unit to the interface connector, and received through the interface connector Control unit for controlling the overall operation in response to the data and the control signal, a power supply for generating a driving voltage to the key input unit and the control unit, and generates a DC voltage for charging the personal portable terminal to output to the interface connector It is characterized by including an application unit.

1 is a diagram illustrating a personal digital assistant and a game pad according to an embodiment of the present invention.

2 is a diagram illustrating an interface connector of a game pad according to an embodiment of the present invention.

3 is a block diagram illustrating an interior of a personal digital assistant and a game pad according to an embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

21: key input unit 22: power supply unit

23 expansion slot 24 interface connector

25 memory unit 26 audio processing unit

27: vibrating unit 28: charge state display unit

29: MPU

Hereinafter, described in detail with reference to the accompanying drawings, preferred embodiments according to the present invention.

1 is a view showing a personal portable terminal and a game pad according to an embodiment of the present invention, Figure 2 is a view showing an interface connector of a game pad according to an embodiment of the present invention.

The personal portable terminal 10 includes various function keys and numeric keys to allow a user to select a specific function or input data, and has a liquid crystal display (LCD) for operation of the personal portable terminal 10. Display data generated by or generated by the user's selection.

In addition, it is provided with an interface connector (not shown), through which it is possible to transmit and receive data and various control signals with an external device (game pad).

As illustrated in FIG. 2, the game pad 20 includes an interface connector 24 to connect with the personal portable terminal 10 and transmit and receive data and various control signals to and from the connected personal portable terminal 10. .

In addition, various function keys and direction keys 21a to 21d of the game pad 20 are provided to allow a user to select a specific key button more conveniently.

When the user selects a specific key button, the game pad 20 generates a key selection signal corresponding to the selected key button and transmits the generated key selection signal to the personal portable terminal 10 through the interface connector 24.

In addition, the game pad 20 includes a power supply jack 22 connected to an external power supply means (power plug), so that the AC power of the external power supply means (power plug) applied through the power supply jack 22 is alternating. The power is converted into a DC voltage having a predetermined voltage level for charging the charging battery of the personal portable terminal 10 and then outputted through the interface connector 24.

In addition, the game pad 20 further includes an expansion slot 23 for loading an external memory card to expand the memory of the game pad 20 and the personal portable terminal 10 connected thereto.

3 is a block diagram illustrating an internal portable terminal and a game pad of the present invention.

First, as shown in the figure, the personal portable terminal 10 includes a memory unit 11, an audio processor 12, a power control unit 13, a key input unit 14, an LCD 15, and a central processing unit (CPU). 16, and an interface connector 17.

The memory unit 11 may include a ROM, a RAM, and a flash memory. The ROM permanently stores an operation program for implementing the operation of the personal portable terminal 10, and the RAM is used as a work area of the CPU 16. In addition, the flash memory stores various data input by a user by operating a key button or various data downloaded from a wireless Internet network.

The audio processor 12 includes a speaker 122 connected to an output terminal, an earphone jack 121, and a microphone 123 connected to an input terminal. In addition, the CPU 16 is connected to an input terminal of the audio processor 12. When the audio processing unit 12 receives the audio digital data from the CPU 16, the audio processing unit 12 converts the received audio digital data into an audio analog signal, expands it, and outputs the audio digital data to the speaker 122 or the earphone jack 121. At this time, when the earphone is connected to the earphone jack 121, the audio processor 12 outputs an audio analog signal only to the earphone jack.

In addition, when an audio analog signal is input through the microphone 123, the audio processor 26 converts the audio analog data into audio digital data, compresses the same, and transmits the same to the CPU 16.

The power control unit 13 includes a protection circuit (not shown), a rechargeable battery furnace (not shown), and a DC-DC converter furnace (not shown). When a predetermined voltage is charged in the rechargeable battery, the protection circuit monitors the charged voltage and generates a charge state information signal for protecting the charge battery from overcurrent, overcharge and overdischarge, and the charge battery according to the charge state information signal The voltage is charged, and the DC-DC converter converts the voltage charged in the charging battery into a DC voltage level for operating each component of the personal portable terminal 10.

Currently, a rechargeable battery for a personal mobile terminal, which is generally used, includes a lithium-based secondary battery that uses an AC power source and solar energy as a power source.

The key input unit 14 includes various function keys and numeric key buttons including a menu button, an OK button, a call button, an end button, and the like. When a specific key button is selected by a user, a key selection corresponding to the selected key button is selected. A signal is generated and provided to the CPU 16.

The LCD 15 displays a combination of image data output from the CPU 16.

The CPU 16 is connected to the memory unit 11, the audio processing unit 12, the interface connector 17 by an internal bus, and transmits and receives all components and data and various control signals through the internal bus, thereby allowing personal portability. The function of the terminal 10 is collectively controlled.

The interface connector 17 performs an interface between the personal mobile terminal 10 and the game pad 20. The interface connector 17 may be an 18 pin or 24 pin connector, an RS 232 port, a universal asynchronous receiver-transmitter (UART) port, a universal serial bus (USB), or the like.

3, the game pad 20 includes a key input unit 21, a power applying unit 22, an expansion slot 23, an interface connector 24, a memory unit 25, and an audio processing unit 26. , A vibration unit 27, a charge state display unit 28, and a microprocessor unit (MPU) 29, which are connected to the personal portable terminal 10 through an interface connector 24 so that the user can play the game more easily and conveniently. Support to enjoy.

The key input unit 21 includes a direction key 21a, a function key 21b, a menu key 21c, and an OK key 21d for selecting up, down, left, and right.

The direction keys 21a, the menu keys 21c, and the OK keys 21d are keys which perform the same functions as the direction keys, the menu keys, and the OK keys of the personal portable terminal 10. The MPU 29 uses these key buttons as a user. When selected by the mobile terminal 10 generates a key selection signal having the same signal as the personal portable terminal 10 and transmits to the personal portable terminal 10.

The other function keys 21b are keys for selecting an operation mode of a game button so that an operation function can be arbitrarily stored according to the needs of a user or a device developer. For example, a device developer may map a vibration mode selection function to a function key A and a hands free mode selection function to a function key B. Accordingly, the user can conveniently select the above functions without selecting the above functions through the combination of the menu key and the arrow keys.

The power applying unit 22 receives a DC voltage from an external voltage applying means such as a power supply adapter, converts the same into a voltage level for operating the components in the game pad itself, and applies them to each component.

In addition, the DC voltage applied from an external voltage applying means such as a power supply adapter is converted into a mobile phone charging voltage level and then output to the interface connector 24.

The expansion slot 23 loads and unloads a removable memory card. Accordingly, the game pad 20 and the personal portable terminal 10 connected thereto expand the memory area through the memory card loaded in the expansion slot 23 and receive various game contents through the loaded memory card.

At this time, a compact flash memory card, a secure digital card, an extreme digital memory card, a memory stick, a memory stick duo, and a smart media memory card may be applied.

The interface connector 24 includes a power supply voltage port, a ground voltage port, a data input and output port, various control signal input ports, and the like, and performs an interface between the game pad 20 and the personal portable terminal 10.

That is, data is transmitted and received between the game pad 20 and the personal portable terminal 10 through the data input and output ports, the charging voltage of the personal portable terminal 10 is applied through the power supply voltage port, and various control signals. The input port transmits and receives various control signals between the game pad 20 and the personal portable terminal 10. The control signal at this time includes a vibration activation control signal and a charging state information signal.

The memory unit 25 permanently stores an operation program for controlling hardware operation of the game pad 20. In this case, the memory unit 25 may be configured like the memory unit 11 of the personal portable terminal 10 described above. However, the memory unit 25 may be configured by applying low-efficiency memory due to the characteristics of the game pad. It is common.

The charge state display unit 28 instructs the state of charge of the personal portable terminal 10 by changing the emission color of the LED under the control of the MPU 29. To this end, the charge state display unit 28 is implemented using a multi-chip type LED or a plurality of LEDs having different emission colors.

For example, when the multi-chip LED is composed of a red LED and a green LED, the green LED is turned on when the charging completion signal is received from the MPU 29, and the red LED is turned on when the charging progress signal is received.

The MPU 29 is a controller that controls the overall operation of the game pad 20. The MPU 29 acquires data of the memory card loaded in the expansion slot 23 and provides the data to the personal portable terminal 10 or from the interface connector 24. The combination of the transmitted data and the key selection signal input through the key input unit 21 is analyzed and the corresponding operation is performed.

If audio digital data is transmitted through the interface connector 24, the MPU 29 controls the audio processor 26 to output the converted audio analog signal through the earphone jack 261 or the speaker 262. When the vibration activation control signal is received, the vibration unit 27 is controlled to vibrate the game pad 20.

In addition, when the charging state information signal of the personal portable terminal 10 is received through the interface connector 24, the charging state display unit 28 is controlled to emit LEDs corresponding to the charging state of the charging battery of the personal portable terminal 10. Let's do it.

In addition, when notified that the user selects a specific key button through the key input unit 21, a key selection signal that can be recognized by the personal portable terminal 10 is generated and output to the interface connector.

When the user selects the hands-free function through the function key of the key input unit 21 while the game is in progress, a key selection signal corresponding to the call button of the personal portable terminal 10 is generated and transmitted to the personal portable terminal 10. . In addition, the audio processing unit 26 is controlled so that audio digital data received through the interface connector outputs an audio analog signal to the earphone jack 261 or the speaker 262. Therefore, the user can make a voice call through the earphones connected to the earphone jack 261 without stopping the game even if a phone call is in progress during the game.

In addition, when the user selects the vibration mode function through the key input unit 21, the vibration unit 27 is controlled to drive the vibration motor during game play.

The audio processor 26 includes an earphone jack 261 or speaker 262 connected to an output terminal and a microphone 263 connected to an input terminal. In addition, an MPU 29 is connected to an input terminal of the audio processor 26. When the audio processor 26 receives the audio digital data from the MPU 29, the audio processor 26 converts the audio digital data into an audio analog signal, amplifies them, and then amplifies the earphone jack 261 or the speaker 262 connected to the output terminal of the audio processor 26. Will output At this time, when the earphone is connected to the earphone jack 261, the audio analog signal is output only to the earphone jack 261.

In addition, when the audio processor 26 receives a voice signal through the microphone, the audio processor 26 converts the voice signal into audio digital data and transmits the audio signal to the MPU 29.

In the above, the present invention has been illustrated and described by way of specific preferred embodiments, but the present invention is not limited to the above-described embodiments and the general knowledge in the art to which the present invention belongs without departing from the spirit of the present invention. Various changes and modifications can be made by those who have

As described above, the present invention is provided with a power applying means to generate the operating power of the game pad by itself and at the same time to provide a charging voltage to the personal portable terminal to recharge the battery of the personal portable terminal. In addition, it is possible to load a removable memory card to expand the memory area of the personal portable terminal to provide more game content. This maximizes the utilization of the gamepad.

Claims (5)

An interface connector connected to the personal mobile terminal to perform an interface; A key input unit including a plurality of function key buttons and direction key buttons, and generating a key selection signal corresponding to each key button; Expansion slots for loading and unloading memory cards; A controller for transmitting data of the memory card loaded in the expansion slot and a key selection signal generated through the key input unit to the interface connector, and controlling an overall operation in response to data and control signals received through the interface connector; And And a power applying unit generating a driving voltage and transmitting the driving voltage to the key input unit and the control unit, and generating a DC voltage for charging the personal portable terminal and outputting the generated DC voltage to the interface connector. The method of claim 1, An input terminal includes a microphone, and an output terminal includes a speaker and an earphone jack to convert audio digital data transmitted from the controller into an audio analog signal and output the audio analog signal to the output terminal. The audio analog signal input through the input terminal is an audio digital data. The game pad further comprises an audio processing unit for converting and transmitting to the control unit. The method of claim 1, And a multi-chip type LED or a plurality of LEDs having different emission colors, and further comprising a charging state display unit which displays a charging state of the personal portable terminal according to a control signal of the controller. The method of claim 1, And at least one vibrating element, the vibrating unit driving the vibrating element according to a control signal of the controller. The memory card of claim 1, wherein the memory card is At least one of a compact flash memory card, a secure digital card, an extreme digital memory card, a memory stick, a memory stick duo, and a smart media memory card.