JP2002210241A - Grip to be used in combination with portable video game machine, and attachment working as power source box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a grip to be used in combination with a portable video game machine, and an attachment working as a power source box. SOLUTION: The attachment 30 is formed of a fitting part to be fitted in place of a cover part for a battery box part, a base part integrally formed with the fitting part, a right and a left grip parts 33 continuously provided to the base part in right and left, and each battery housing part formed inside of the grip parts. In the condition that the fitting part is fitted in an opening of the battery box part of the game machine for combination, the grip parts 33 are positioned in both of a right and a left sides of a casing 10, and the base part and the grip parts 33 of the attachment 30 are formed into the shape for satisfying the geometrical relation that a right and a left thumbs can easily touch a right and a left operation buttons 13 arranged in a front surface 11 of the casing when a user holds the grip parts 33 with a right and a left hands.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an attachment which is used in combination with a portable video game machine, and is also used as a grip and a power supply box.

[0002]

2. Description of the Related Art In recent years, portable video game machines, for example, products called "Game Boy" (trade name) have been complementary machines to "semi-stationary" game machines such as "PlayStation" (trade name). That image has been successfully dispelled. This is because the portable video game machine is equipped with a liquid crystal display panel capable of high-definition color representation, or the microprocessor and non-volatile memory to be equipped with high functionality and small size are achieved in terms of hardware. It has nothing to do with being fulfilled. Furthermore, the point of providing attractive game software beyond the scope of the conventional portable game machine, which has been provided along with the enhancement of hardware, cannot be overlooked.

[0003] Since such portable video game machines are portable, their casing size and shape are limited, and they are generally palm-sized and flat. In this flat and limited casing, not only electronic circuit devices including a processor and memory are stored, but also various devices such as a battery box for storing dry batteries, a liquid crystal display panel, and operation buttons such as a cross key are integrated. You. The user performs button operations with his thumb while supporting the portable video game machine with both hands in the same sense as handling a game controller used in conjunction with the aforementioned “semi-stationary” game machine. .

[0004]

However, in using the portable video game machine as described above, a new problem that has not been considered a problem has emerged.
The more the portable video game machine, including its compatible game software, becomes more attractive, the more the user spends more time playing. If the user of the portable video game machine is enthusiastic about the game being played and is enthusiastic, he will not be able to play only on the train or while meeting, for example, take it home and relax for a long time while relaxing in the living room. There will be. In this case, it can be said that portable video game machines equipped with a high-performance processor and a large color liquid crystal display are difficult to use from the viewpoint of power consumption and power supply battery life. If only dry batteries can be used as a power source, it may limit the appeal of the portable video game machine.

[0005] While a power supply problem that is difficult to cope with for a long time play emerges, operability as a game machine has also become a problem. In other words, as a result of the pursuit of portability such as "small and light" because of being "portable", comfortable operability that naturally fits the user's fingers has tended to be lost naturally. is there. Therefore, long-time play is accompanied by fatigue, and the user is required to have considerable patience. On the other hand, if the shape of the casing of the portable video game machine is set to a size that can be easily fitted and grasped by the fingers, the portability is impaired, resulting in a round trip.

In other words, no means has been found for extending the life of the power supply and maintaining good operability that can withstand long-time play without impairing the usual portability of the portable video game machine. It is.

[0007] The present invention has been made in view of such circumstances, and has as its object to provide an attachment that is used in combination with a portable video game machine, and is also used as a grip and a power supply box.

[0008]

Means for Solving the Problems The present invention has been made to achieve the above object, and a first invention is an attachment which is used in combination with a portable video game machine, and which also serves as a power supply box. Next matter (1)
To (7). (1) A portable video game machine to be used in combination is integrated into a relatively flat casing that is about the size of a palm, and a liquid crystal display panel disposed in the center of the front of the casing. And operation buttons provided on the front of the casing on the left and right portions of the panel, an electronic circuit device mainly including a microcomputer built in the casing, and a battery serving as a power supply for driving the electronic circuit device. And a battery box portion provided to be depressed on the rear side of the casing. (2) The battery box portion of the portable video game machine covers a recessed area capable of accommodating a battery, a battery connection terminal electrically contacting a terminal electrode surface of the accommodated battery, and an opening of the recessed area. A lid part to be closed, and a leaf spring convex part and a corresponding concave stopper part are provided at a fitting position between a peripheral edge of the opening and an end part of the lid part, and the lid by a snap-fit mechanism is provided. Flexible attachment and detachment of parts has been realized. (3) The attachment is provided in place of the lid component of the battery box portion, a fitting portion fitted here, a base portion integrated with the fitting portion, and left and right sides of the base portion. Left and right grip portions, and a battery storage portion formed inside the grip portion. (4) The fitting portion of the attachment has the same leaf spring projection or stopper as the lid part of the game machine, and has an outer shape and a recess that can fit into the opening of the battery box portion of the game machine. It has a trapezoidal shape with a height corresponding to the depth of the region. (5) In a state where the fitting portion of the attachment is fitted into the opening of the battery box portion and assembled, the left and right grip portions are located on the left and right sides of the casing, and the user grips the left and right hands. The base portion and the grip portion of the present attachment are formed so that the right and left thumbs can easily touch the left and right operation buttons on the front of the casing when the attachment is performed. (6) The electrical structure of the fitting portion of the attachment is
When this is combined with a portable video game machine, the battery connection terminal of the battery box section and the output terminal provided on the surface of the fitting section are configured to make electrical contact. (7) The battery housing portion of the attachment has a battery terminal that is in electrical contact with a built-in battery electrode, and has an electric wiring structure in which the battery terminal is electrically connected to the output terminal.

According to a second aspect of the present invention, there is provided the attachment according to the first aspect, further comprising a structure in which the fitting portion and the base portion are detachably fixed.

A third invention is the attachment according to the first or second invention, wherein the attachment is connected to a commercial power supply.
It has a receptacle terminal which receives external power supply from a DC plug of the C adapter and guides this power supply to the output terminal and the battery terminal in a freely switchable manner.

A fourth aspect of the present invention is the attachment according to the third aspect, wherein external power supplied from the receptacle terminal is supplied to a battery in the grip portion via a battery terminal to enable charging. It has a battery charging function.

A fifth aspect of the present invention is the attachment according to any one of the first to fourth aspects, further comprising an illuminating device for illuminating a liquid crystal display panel provided in the portable video game machine.

A sixth aspect of the present invention is the attachment according to any one of the first to fifth aspects, wherein the attachment has a function of storing the lid part.

A seventh aspect of the present invention is the attachment according to any one of the first to sixth aspects, further comprising a display protection member for covering and protecting a liquid crystal display panel of the portable video game machine. I do.

According to an eighth aspect of the present invention, there is provided the attachment according to any one of the first to seventh aspects, further comprising a main body protection member for appropriately covering and protecting the surface of the portable video game machine.

A ninth aspect of the present invention is the attachment according to any one of the first to eighth aspects, further comprising a speaker for outputting an audio signal received from the portable video game machine.

A tenth aspect of the present invention is the attachment according to any one of the first to ninth aspects, wherein the attachment includes a storage section for storing a soft cartridge used in a portable video game machine.

An eleventh aspect of the present invention is the attachment according to any one of the first to tenth aspects, wherein the attachment has a carrying bag function for storing a portable video game machine.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS === Overview of Portable Video Game Machine === Entertainment, the first thing that comes to mind when linking this word with a computer is a computer video game machine. From around the 1980's, game consoles connected to televisions have become commonplace in ordinary households, and arcade game consoles have become widespread in game centers in the city. In such a development trend of home video game consoles, "Game Boy" (trade name), "WonderSwan" (trade name) and the like have appeared as portable video game machines, and the current prosperity has been seen. As a preparation for describing the attachment for both the grip and the power supply box of the present invention, the portable video game machine to which the attachment is combined will be described.

FIG. 1 is an explanatory view showing an attachment state in which a grip and a power supply box attachment 30 according to the present invention are combined with a portable video game machine G, and FIG.
The portable video game machines G having different forms of “Game Boy Color” (trade name) and (b) “Game Boy Advance” (trade name) have been exemplified. As shown in FIG. 1, a portable video game machine G (hereinafter, referred to as a game machine) is relatively flat and its front outer peripheral shape is substantially rectangular or elliptical. The size is about the size of a palm, and an electronic circuit device, a liquid crystal display panel, operation buttons, and the like are integrated in the casing 10. As the device found on the surface of the game machine G, the liquid crystal display panel 12 arranged in the central portion of the casing front 11 will be the largest. This liquid crystal display panel 12
For example, some of them adopt a reflection type TFT (thin film transistor) color liquid crystal and realize a color display capability of more than 30,000 colors. A game player (hereinafter, a player) operates various operation buttons 13 while watching the game screen displayed on the liquid crystal display panel 12.

The operation buttons 13 include a cross key 13
a, instruction button 13b, start / select button 13
There are types such as c. Among them, the cross key 13a is mainly used for moving a cursor or a game character displayed on a game screen, and the instruction button 13b is mainly used for an instruction to fire a firearm or selecting a game item. Can be The start select button 13c
It is used for starting a game or selecting a mode. In many cases, the arrangement position on the front surface 11 of the casing is a cross key 13a on the left side of the liquid crystal display panel 12 and an instruction button 13b on the right side. The player normally holds the lower corner portion 14 of the casing 10 between the index finger side surface and the thumb abdominal surface to support the game machine G itself, extends the thumb tip upward, and presses or hits the operation button 13 to perform an operation. Is going.

In addition, the casing 10 incorporates a dedicated drive for reading a cartridge type game software medium, an electronic circuit device mainly including, for example, an 8-bit microprocessor and a nonvolatile memory, and a small speaker. Player operates button 13
Is operated, a pressing operation is transmitted to a switch button provided on the back side of the operation button 13, and this is turned into an electric signal so that an operation input is transmitted to the microprocessor.

FIG. 2 is an external view (a) of the battery box section 20 provided on the casing back surface 15 of the portable video game machine G.
FIG. 4 is an explanatory diagram illustrating a perspective view and FIG. The electronic circuit device and the liquid crystal display panel 1 as described above
2. A dry battery has been employed as a drive power source for small speakers and the like. A battery box section 20 (see FIG. 2) is provided in a recessed manner on the casing rear surface 15 side to accommodate the dry batteries. This battery box section 20
A recessed area 21 capable of accommodating a battery, a battery connection terminal 22 electrically contacting a terminal electrode surface of the accommodated battery,
A lid part 24 for covering and closing the opening 23 of the depression area 21 is provided. At a fitting position between the peripheral edge 23a of the opening 23 and the end part 24a of the lid part 24, a leaf spring convex piece 25 and a corresponding concave part are formed. The stopper part 26 is provided, so that the lid part 24 can be freely attached and detached by a snap-fit mechanism.

=== Attachment === FIGS. 3A and 3B are diagrams showing an attachment which is used in combination with the portable video game machine of the present invention and which is also used as a grip and a power supply box, wherein FIG. Front view,
(C) is a side view, (d) is a rear view, and (e) is a side view of the fitting portion. Next, the attachment 30 of the present invention will be described. The attachment 30 includes a fitting part 31 fitted here instead of the lid part 24 of the battery box part 20.
And a base part 32 integrated with the fitting part 31
And a left and right grip portion 33 connected to the left and right of the base portion 32, and a battery storage portion 34 formed inside the grip portion 33. The fitting portion 31 has the same leaf spring projection 25 or stopper portion 26 (stopper portion in the drawing) as the lid component 24 of the game machine G, and can be fitted into the opening 23 of the battery box portion 20 of the game machine G. It has a trapezoidal shape with an appropriate outer shape and a height corresponding to the depth of the depression region.

It is preferable that the fitting portion 31 and the base portion 32 have a structure in which the fitting portion 31 and the base portion 32 are detachably fixed.
For example, a situation is considered in which only the fitting portion 31 is replaced according to the type of the video game machine G to be used, and the attachment 30 is used for general purposes. When the fitting portion 31 and the base portion 32 have such a detachable structure, the fitting portion 31 and the base portion 32 are joined by electrical contacts, and a power supply path is secured between the two. It is assumed that

The attachment 30 is attached to the back 15 of the game machine.
Can be understood from the situation shown in FIG. 1 described above. (A) In the game machine G shown in the figure, the lower half of the back surface 15 of the game machine G is mounted on a base portion 32, and grip portions 33 sandwich both sides thereof. (B) In the game machine G shown in the figure, although the attachment 30 is slightly different from the embodiment, the basic structure is not changed. Grip portions 33 are provided substantially in parallel on both sides of the base portion 32, and the game machine G is mounted on the grip portion 33 and the base portion 32. In any case, on the back surface 15 of the game machine G,
The fitting portion 31 is securely fitted to and integrated with the battery box portion 20 instead of the lid component 24.

On the other hand, there are important points to consider when fitting the attachment 30 to the opening 23 of the battery box section 20. That is whether or not the grip portion 33 of the attachment 30 has an arrangement structure that can maintain good operability of the player. The grips 33 of the present invention are located on the left and right sides of the casing 10 when the fitting is performed, and when the player holds the grips with the left and right hands, the right and left thumbs respectively correspond to the left and right operation buttons 13 on the casing front 11. Care has been taken to create a geometric relationship that is easy to touch. From this viewpoint, the base portion 32 and the grip portion 33 of the present attachment are formed. Also,
When the upper surface of the grip portion 33 and the front surface 11 of the casing on which the operation buttons 13 are used are substantially flush with each other, it is easier for the player to avoid unnecessary actions on the fingers. Therefore, it is preferable that the base unit 32 be provided with a recess 35 in which the thickness of the game machine G is offset and the casing front surface 11 and the upper surface of the grip unit 33 are substantially flush with each other.

FIG. 10 is an explanatory diagram for overlooking the flow of power supply in the present invention. The object of the present invention cannot be achieved only by attaching the attachment 30 to the battery box section 20 of the game machine G. That is, attachment 3
0 must supply power to the game machine G from a large-capacity battery built in the battery storage unit 34. For this reason, the electric structure of the fitting portion 31 is such that when this is combined with the game machine G, the battery connection terminal 22 of the battery box portion 20 and the output terminal 31a provided on the surface of the fitting portion 31 Are configured to be in electrical contact with each other.

The output terminal 31a is connected to the battery terminal 3 in electrical contact with the battery electrode in the grip 33.
4a. When the fitting portion 31 is fitted to the battery box portion 20, the convex output terminal 31a on the surface of the fitting portion 31 comes into contact with the battery connection terminal 22, and the battery terminal 34a is removed from the battery in the battery housing portion 34. The power is led to the game machine G via the power supply.

In addition to the battery built in the battery storage section 34 in the grip section 33, a commercial power supply 100 can be employed as a power supply means for the game machine G. The AC adapter 101 is inserted into an outlet hole of a general household to which the AC power is distributed, and external power is supplied from the DC plug 102. However, in order to achieve coexistence with the battery built in the battery storage unit 34, some switching means is required. The switching means is the receptacle terminal 103. The terminal 103 connects the external power supply to the output terminal 31a and the battery terminal 34a.
It has a function to guide the user freely. It is also preferable to introduce an electric circuit structure that supplies the external power supply supplied from the receptacle terminal 103 to the battery in the grip portion 33 via the battery terminal 34a and allows the battery to be charged.

=== Various Embodiments === In addition to the above, the attachment 30 of the present invention can take various embodiments. Therefore, these are introduced below. FIG. 4 is an explanatory diagram for explaining an attachment state of the attachment 30 having a function of storing the lid component 24 of the battery box section 20. This attachment 30 is
The rear surface 15 has a concave portion 40 that fits the outer shape of the lid component 24, and the concave portion 40 is provided with a locking claw 41. It is preferable that the fitting procedure between the lid component 24 and the opening 23 by the snap fit mechanism be reconstructed on the recess 40 in the same manner. As a result, the lid component 24 that is easily lost can be securely held.

FIG. 5A is an explanatory view showing an attachment provided with a display protection member 50 for covering and protecting a liquid crystal display panel of a portable video game machine.
(B) is an explanatory view showing an attachment provided with a main body protection member 51 for appropriately covering and protecting the surface of the portable video game machine. In various situations where the game machine G is handled,
It cannot be denied that the game machine G may be damaged, including when playing the game. In particular, it is assumed that the portable game machine G is often used outdoors rather than indoors. In particular, the liquid crystal display panel 12 is easily damaged by external pressure when being carried. So attachment 3
In this embodiment, the protection function of the liquid crystal display panel 12 is provided for the liquid crystal display panel 12. The display protection member 50 erected from the base part 32 has a hinged part 50a and has a retractable structure. The frame member 50 is effective when playing a game while protecting the liquid crystal display panel 12.
The presence of the window 50c surrounded by b. This window 50
In c, a transparent plastic material is inserted.
There is no problem viewing the game screen. If it is necessary to protect the game machine G in a particularly hard use environment, the entire surface of the casing front 11 can be covered by the main body protection member 51 as shown in FIG.

FIG. 6 is an explanatory view showing an attachment provided with a speaker for outputting an audio signal received from a portable video game machine. The output device of the portable video game machine G in the early days was equipped with only a monochrome liquid crystal panel and hardly had a multimedia function such as outputting game music. Most of the current game machines G have a built-in small speaker for audio output in most models, and additionally have an external output terminal such as an earphone jack. Therefore, the attachment 30 is connected to the audio external output terminal, and the audio signal can be reproduced with a more realistic feeling by the speaker 60 provided in the attachment 30.

FIG. 7 is an explanatory view showing an attachment provided with a storage section 70 for storing a soft cartridge 71 used in a portable video game machine. When carrying the game machine G or when carrying a plurality of soft cartridges, storing the soft cartridge 71 is troublesome. Therefore, the storage portion 70 is inserted into the insertion opening 71a of the soft cartridge 71.
The troublesome storage problem can be solved by fitting the. FIG. 8 shows the attachment 30 in which the viewpoint of storage is further pushed.

FIG. 8 is an explanatory view showing an attachment having a carrying bag function for storing a portable video game machine. If the usability of the attachment 30 is excellent, the player wishes to move while attaching the attachment 30 to the game machine G and play a game with the game machine G wherever he goes. Therefore, the idea was devised to provide the attachment 30 itself with a function of storing the entire game machine G to which the attachment 30 is attached. According to this, the attachment 30 is attached to the carrying case 80.
Is freely connected to the base portion 32, and the sleeve bag portion 82
Puts the game machine G completely. On the surface of the carrying case 80, the soft cartridge 7
1 is provided, and storage of articles other than the game machine G is also considered. It is more preferable that the carrying case 80 have a waterproof function and some rigidity.

FIG. 9 is an explanatory view showing an attachment 30 provided with an illumination device for illuminating the liquid crystal display panel 12. Many portable video game machines G do not yet have a so-called backlight function as seen on a liquid crystal screen of a mobile phone. In this case, it is needless to say that the operability is not good and inconvenient when the game machine G is operated outdoors at night. Therefore, liquid crystal display panel 1
When the attachment 30 is provided with the lighting device 90 for illuminating the lighting device 2, it is possible to make the use conditions such as nighttime comfortable. As the lighting device 90, for example, a device using an LED is conceivable, but any type can be used as long as sufficient illuminance can be obtained with low power consumption. In the example shown in FIG. 9, the structure of the lighting device 90 is such that the LED section 9 is provided on a handle-shaped support 91.
2 is wound. Various structures are also conceivable for this structure, and any structure may be used as long as appropriate illuminance and operability of the game machine G can be ensured.

[0037]

As described above, the attachment of the present invention can completely solve the problem of the low life of the power supply battery and the rough operability as a game machine due to long play. If this attachment is used in combination with a portable video game machine, it will ensure the portability required for a "portable" game machine, such as "small and light", and will naturally fit the fingers of the user. It also demonstrates easy operability. In addition, the portable video game machine can secure a power supply with a larger capacity than the battery power that can be used originally. It became possible to correspond.

Therefore, the life of the power supply can be extended without impairing the ordinary portability of the portable video game machine, and
The good operability that can withstand long-time play has been achieved. As a result, it is possible to provide an attachment that is used in combination with a portable video game machine and also serves as a grip and a power supply box.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view showing an attachment state in which a grip and a power supply box attachment according to the present invention are combined with a portable video game machine, wherein (a) "Game Boy Color" (trade name) and (b) "Game Boy Advance". "
(Trade Name) are examples of different types of portable video game machines.

FIG. 2 is an explanatory view showing an external appearance (a) and a perspective view (b) of a battery box portion provided on a rear surface of a casing of the portable video game machine.

FIGS. 3A and 3B are views showing a grip and an attachment that also serves as a power supply box used in combination with the portable video game machine of the present invention, wherein FIG. 3A is a top view, FIG.
(C) is a side view, (d) is a rear view, and (e) is a side view of the fitting portion.

FIG. 4 is an explanatory diagram illustrating an attachment state of an attachment having a function of storing a lid component of a battery box unit.

FIG. 5A is an explanatory view showing an attachment provided with a display protection member for covering and protecting a liquid crystal display panel of a portable video game machine, and FIG. 5B is a diagram for appropriately covering and protecting the surface of the portable video game machine. It is an explanatory view showing an attachment provided with a main body protection member.

FIG. 6 is an explanatory diagram showing an attachment including a speaker that outputs an audio signal received from a portable video game machine.

FIG. 7 is an explanatory view showing an attachment including a storage section for storing a soft cartridge used in a portable video game machine.

FIG. 8 is an explanatory diagram showing an attachment having a carrying bag function for storing a portable video game machine.

FIG. 9 is an explanatory diagram illustrating an attachment including an illumination device that illuminates a liquid crystal display panel.

FIG. 10 is an explanatory diagram that overlooks the flow of power supply in the present invention.

[Explanation of symbols]

 G Portable video game machine (game machine) 10 Casing 11 Casing front 13 Operation button 20 Battery box 22 Battery connection terminal 23 Opening 30 Attachment 31 Fitting part 31a Output terminal 32 Base part 33 Grip part 34 Battery storage part

Claims (11)

[Claims] 1. An attachment which is used as a grip and a power supply box in combination with a portable video game machine, and which is specified by the following items (1) to (7). (1) A portable video game machine to be used in combination is integrated into a relatively flat casing that is about the size of a palm, and a liquid crystal display panel disposed in the center of the front of the casing. And operation buttons provided on the front of the casing on the left and right portions of the panel, an electronic circuit device mainly including a microcomputer built in the casing, and a battery serving as a power supply for driving the electronic circuit device. And a battery box portion provided to be depressed on the rear side of the casing. (2) The battery box portion of the portable video game machine covers a recessed area capable of accommodating a battery, a battery connection terminal electrically contacting a terminal electrode surface of the accommodated battery, and an opening of the recessed area. A lid part to be closed, and a leaf spring convex part and a corresponding concave stopper part are provided at a fitting position between a peripheral edge of the opening and an end part of the lid part, and the lid by a snap-fit mechanism is provided. Flexible attachment and detachment of parts has been realized. (3) The attachment is provided in place of the lid component of the battery box portion, a fitting portion fitted here, a base portion integrated with the fitting portion, and left and right sides of the base portion. Left and right grip portions, and a battery storage portion formed inside the grip portion. (4) The fitting portion of the attachment has the same leaf spring protrusion or stopper as the lid component of the game machine, and has an outer shape and a recess that can be fitted into the opening of the battery box portion of the game machine. It has a trapezoidal shape with a height corresponding to the depth of the region. (5) In a state where the fitting portion of the attachment is fitted into the opening of the battery box portion and assembled, the left and right grip portions are located on the left and right sides of the casing, and the user grips the casing with the left and right hands. The base portion and the grip portion of the present attachment are formed so that the right and left thumbs can easily touch the left and right operation buttons on the front of the casing when the attachment is performed. (6) The electrical structure of the fitting portion of the attachment is
When this is combined with a portable video game machine, the battery connection terminal of the battery box section and the output terminal provided on the surface of the fitting section are configured to make electrical contact. (7) The battery housing portion of the attachment has a battery terminal that is in electrical contact with a built-in battery electrode, and has an electric wiring structure in which the battery terminal is electrically connected to the output terminal. 2. The attachment according to claim 1, further comprising a structure in which the fitting portion and the base portion are detachably fixed. 3. The attachment according to claim 1, wherein the DC of the AC adapter connected to a commercial power supply.
A receptacle terminal is provided, which receives an external power supply from a plug and guides the supplied power to the output terminal and the battery terminal in a freely switchable manner. 4. The attachment according to claim 3, further comprising a battery charging function for supplying an external power supplied from the receptacle terminal to a battery in the grip portion via a battery terminal to enable the battery to be charged. It is characterized by the following. 5. The attachment according to claim 1, further comprising an illumination device for illuminating a liquid crystal display panel provided in the portable video game machine. 6. The attachment according to claim 1, wherein the attachment has a function of storing the lid component. 7. The attachment according to claim 1, further comprising a display protection member that covers and protects a liquid crystal display panel of the portable video game machine. 8. The attachment according to claim 1, further comprising a main body protection member for appropriately covering and protecting the surface of the portable video game machine. 9. The attachment according to claim 1, further comprising a speaker that outputs an audio signal received from the portable video game machine. 10. The attachment according to claim 1, further comprising a storage section for storing a soft cartridge used in a portable video game machine. 11. The attachment according to claim 1, further comprising a carrying bag function for storing a portable video game machine.