JPH08129995A - Remote control device - Google Patents

Abstract

PURPOSE: To hold a case in a stable condition, and effectively perform operation by forming a projecting strip part downward projecting along the under surface center of a lower case, and housing the projecting strip part between fingers in the center of the palm of one's hand. CONSTITUTION: The whole of a remote control device 10 is placed on the palm of one's hand, and when an operation button 13a is operated by a finger, a prescribed operation signal is generated by a printed circuit board 13 in response to the operated operation button 13a, and is outputted to an external part by a cable or the like, and remote control operation is performed. In this case, since a projecting strip part 12a is arranged along the center of a lower case 12, the remote control device 10 is easily held, and can also be held in a stable condition. Since a battery 14 is housed in the projecting strip part 12a, all a part except the projecting strip part 12a of the lower case 12 does is to house only the printed circuit board 14, so that the whole lower case 12 can be constituted in a thin and small type. Since a battery chamber 16 to house the battery 14 is sealed by the projecting strip part 12a of the lower case 12 and a battery guide 15, leakage liquid is prevented from sticking to the board 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a case composed of an upper case and a lower case, a printed circuit board provided with a predetermined circuit on the lower surface of the upper case, and a battery housed in the case. The present invention relates to a remote control device including the.

[0002]

2. Description of the Related Art Conventionally, such a remote controller is constructed as shown in FIG. 7, for example. That is, in FIG. 7, the remote control device 1 includes an upper case 2 and a lower case 3,
Printed circuit board 4 disposed on the inner lower surface of upper case 2
And a battery 5 disposed adjacent to the printed circuit board 4 on the inner lower surface of the upper case 2.

On the upper surface of the upper case 2, the upper ends of the operation buttons (not shown) mounted on the printed circuit board 4 are exposed, and the lower surface of the upper case 2 is closed by the lower case 3. It is designed to define a sealed internal space.

As described above, at least one operation button protruding upward is mounted on the printed circuit board 4, and a predetermined circuit required for remote control operation is constituted by a printed conductive pattern and various mounting parts. ing.

The battery 5 has both electrodes connected to the power supply terminals of the printed circuit board 4 so as to supply a drive voltage to the printed circuit board 4, and opens and closes the battery cover 6 provided in the lower case 3. By doing so, it can be easily replaced from the outside.

According to the remote control device 1 thus constructed, by placing the whole on the palm and operating the operation button with a finger, the operation button corresponding to the operated operation button can be operated.
A predetermined operation signal is output to the outside via a cable (not shown) or by infrared transmission or radio wave transmission so that a desired remote control operation can be performed.

[0007]

However, in the remote control device 1 having such a structure, the case composed of the upper case 2 and the lower case 3 has a substantially rectangular parallelepiped shape, and therefore, the remote control is operated at the time of operation. When the entire device 1 is placed on the palm, the corners of the case hit the palm.
Further, the thickness of the entire case is relatively large because the size of the battery is limited because the battery is housed in the case.

As a result, the remote controller 1 is difficult to hold as a whole and has poor stability, so that the operability of the remote controller 1 is impaired.

In view of the above points, the present invention has an object to provide a remote control device that can be held in a stable state to improve operability.

[0010]

The above object is to provide a case including an upper case and a lower case, a printed circuit board provided with a predetermined circuit on the lower surface of the upper case, and housed in the case. In a remote control device including a battery, a remote control device is characterized in that a protrusion protruding downward is formed along the center of the lower surface of the lower case.

In the remote control device according to the present invention, a battery is preferably housed in the ridge portion.

The remote control device according to the present invention is preferably provided with a battery guide that defines the battery chamber by covering the ridge from above.

In the remote control device according to the present invention, preferably, the battery guide is fixed to the printed circuit board and abuts on the inner surface of the lower case.

[0014]

According to the above construction, since the protrusion protruding downward is formed along the center of the lower surface of the lower case, when the entire remote control device is placed on the palm, the protrusion is at the center of the palm. It fits between your fingers, making it easier to hold,
And it can be held in a stable state.

When the battery is accommodated in the protrusion, the portion of the case other than the protrusion can be made thin and small.

In the case where a battery guide which defines the battery chamber by covering the ridge from above is provided, when the liquid leaks from the battery, the battery guide causes the liquid to adhere to the printed circuit board. Is prevented.

When the battery guide is fixed to the printed circuit board and is in contact with the inner surface of the lower case, the printed circuit board can be fixedly held in the lower case via the battery guide.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the embodiments shown in the drawings. 1 and 2 show an embodiment of a remote control device according to the present invention. 1 and 2, the remote controller 10 includes an upper case 11 and a lower case 12, a printed circuit board 13 (see FIG. 4) attached to the inner lower surface of the upper case 2, the upper case 11 and the lower case 12. A battery 14 disposed in an internal space defined by
(See FIGS. 4 and 6).

On the upper surface of the upper case 11, the upper ends of the operation buttons 13a mounted on the printed circuit board 13 are exposed.

As shown in FIGS. 2 and 4, the lower case 12 has a ridge 12a protruding downward along the center thereof.
have. The protruding portion 12a is formed integrally with the lower case 12, and the battery guide 15 is fitted from above to define the battery chamber 16 together with the battery guide 15.

As shown in FIG. 5, the battery guide 15 is in close contact with the side edge of the protruding portion 12a so that the liquid leaking from the battery 14 can be prevented from adhering to the printed circuit board 14. It has become. Further, the battery guide 15 is fixed to the printed circuit board 13 with screws 15a as shown in FIG.

The printed circuit board 13 is held in a stable state with respect to the lower case 12 by mounting the peripheral edge thereof on a step formed in the lower case 12, and as described above. , At least one protruding upwards,
In the illustrated case, four operation buttons 13a are mounted, and a predetermined circuit required for remote control operation is composed of a printed conductive pattern and various mounting parts.

The battery 14 has both electrodes connected to a power supply terminal (not shown) of the printed circuit board 13 so as to supply a drive voltage to the printed circuit board 13, and also has a lower case 12 of the lower case 12. By attaching and detaching the battery lid 17 provided at the end edge, the battery lid 17 can be easily replaced from the outside.

The remote control device 10 according to the embodiment of the present invention is
With the configuration as described above, by placing the entire remote control device 10 on the palm and operating the operation button 13a with a finger, a predetermined operation signal is generated on the printed circuit board 13 corresponding to the operated operation button 13a. Then, it is output to the outside through a cable (not shown), or by infrared transmission or radio wave transmission, and a desired remote control operation can be performed.

In this case, since the ridge 12a is provided along the center of the lower case 12, the ridge 12a fits exactly in the center of the palm when the remote control device 10 is placed on the palm. Therefore, the remote control device 10
Can be easily held and can be held in a stable state.

Since the battery 14 is housed in the ridge 12a, the ridge 12a of the lower case 12 is provided.
Since only the printed circuit board 14 needs to be accommodated in the parts other than, the entire lower case 12 can be made thin and small.

Further, a battery chamber 16 in which the battery 14 is housed
Is sealed by the ridges 12a of the lower case 12 and the battery guide 15, so that when liquid leaks from the battery, this liquid is prevented from adhering to the printed circuit board 14.

The battery guide 15 is used in the lower case 1.
2 and the printed board 13
Since the printed circuit board 13 can be stably fixed and held to the lower case 12 because it is screwed to the upper case 11, when the operation button 13a exposed on the upper case 11 is operated, the printed circuit board 13 is Does not bend downward, and the operation button 13a can be reliably operated.

In the embodiment described above, the battery 14
As a cylindrical battery, for example, a battery such as an AA battery or a AAA battery is used, but the present invention is not limited to this. For example, by appropriately changing the shape of the battery chamber 16 defined by the battery guide 15, It is obvious that the present invention can be applied to the case of using a battery such as a so-called button battery.

[0030]

As described above, according to the present invention, since the ridge portion projecting downward along the center of the lower surface of the lower case is formed, when the entire remote control device is placed on the palm,
Since the ridge portion fits just in the center of the palm and between the fingers, it becomes easy to hold and can be held in a stable state. Therefore, the operability of the remote control device can be improved.

When the battery is housed in the ridge, the portion of the case excluding the ridge can be made thin and small. Therefore, since the case has a shape that is easier to hold, the operability can be improved.

In the case where a battery guide which defines the battery chamber by covering the above-mentioned protruding portion from above is provided, when the liquid leaks from the battery, this liquid adheres to the printed board by the battery guide. Is prevented.

When the battery guide is fixed to the printed circuit board and is in contact with the inner surface of the lower case, the printed circuit board can be fixedly held in the lower case via the battery guide. Therefore, when the operation button mounted on the printed circuit board is operated, the printed circuit board is not bent in the operation direction, and the operation button can be reliably operated, so that the operability can be improved. .

Thus, according to the present invention, it is possible to provide an extremely excellent remote control device which can be held in a stable state and has improved operability.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing an embodiment of a remote control device according to the present invention.

FIG. 2 is a schematic perspective view of the remote control device of FIG. 1 as seen from below.

FIG. 3 is an exploded perspective view of the remote control device of FIG.

FIG. 4 is a longitudinal cross-sectional view of the remote control device of FIG.

5 is a lateral cross-sectional view of the remote control device of FIG.

6 is a perspective view showing the back surface of the upper cover of the remote control device of FIG. 1. FIG.

FIG. 7 is an exploded perspective view showing an example of a conventional remote control device.

[Explanation of symbols]

 10 Remote Control Device 11 Upper Case 12 Lower Case 12a Projection 13 Printed Circuit Board 13a Operation Button 14 Battery 15 Battery Guide 16 Battery Chamber 17 Battery Cover

Claims (4)

[Claims] 1. A remote controller including a case including an upper case and a lower case, a printed circuit board on the lower surface of which the predetermined circuit is formed, and a battery housed in the case. The remote control device according to claim 1, wherein a ridge portion projecting downward is formed along the center of the lower surface of the lower case. 2. The remote control device according to claim 1, wherein a battery is housed in the ridge portion. 3. The remote control device according to claim 2, further comprising a battery guide that defines a battery chamber by covering the protruding portion from above. 4. The remote controller according to claim 3, wherein the battery guide is fixed to the printed circuit board and is in contact with the inner surface of the lower case.