JP2917864B2 - Portable telephone device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone having a waterproof function used indoors and outdoors, such as a simplified portable telephone.

[0002]

2. Description of the Related Art In a conventional portable telephone device having a waterproof function, a waterproof structure of a receiver portion is such that a waterproof film is attached to an inner surface of a main body case having an earpiece, and water enters the receiver portion through the earpiece. Has been prevented.

FIG. 9 is a side sectional view of a conventional portable telephone device.
FIG. 10 is an enlarged side view around the receiver section of the portable telephone device, and FIG. 11 is an enlarged side view when the waterproof film of the receiver section is deformed. In the drawing, reference numeral 1 denotes a front case of a portable telephone device, in which an earpiece 2 is formed on an upper part, and a rib 3 protruding along the outer periphery of a waterproof film (described later) is formed on the inner surface of the front case near the earpiece 2. I have. 4 is a rear case.

[0004] A receiver 5 is installed in the upper part of the front case 1 and outputs a received voice to the outside through the earpiece 2.
Is a waterproof film attached to the rib 3 to prevent water from entering the receiver 5 from the earpiece 2, 7 is a cushion provided on the outer periphery of the receiver 5, 8 is a substrate for mounting electronic components such as ICs, 9 is A receiver holder 10 for fixing the receiver 5 to the substrate 8, a microphone device 10 used for voice input,
Reference numeral 1 denotes a battery that is attached to the rear case 4 and supplies power to various electronic components to operate the portable telephone device.

Next, the operation will be described. First, during a call, the voice received from the other party is output from the receiver 5,
The user hears the voice through the earpiece 2. Next, a waterproof structure of the portable telephone device will be described. The waterproof film 6 has a structure that allows only the voice received from the receiver 5 to pass therethrough and outputs it to the outside, and does not allow moisture such as water to pass. In this way, even when moisture enters from the earpiece 2, the moisture is blocked by the waterproof film 6 so that the moisture does not enter the receiver 5. However, since the frequency characteristics of the received voice greatly change depending on the space between the receiver 5 and the main body case, it is necessary to keep the tension of the waterproof film 6 and the space constant.

[0006]

Since the conventional portable telephone device is constructed as described above, the waterproof film 6 is used to provide a waterproof function, but the waterproof film 6 is provided between the receiver 5 and the front case 1. When considering the space, the ribs 3 exist along the outer periphery of the waterproof film 6, and the space formed between the waterproof film 6 and the front case 1 differs depending on how the waterproof film 6 is attached to the ribs 3. However, there is a problem that the frequency characteristics of the received voice from the user deteriorate. Further, the degree of tension of the waterproof film 6 varies depending on the use environment conditions such as temperature and humidity, and the space also varies depending on the environmental conditions such as the temperature and humidity. Therefore, there is a problem that the frequency characteristic of the voice received from the receiver 5 is deteriorated. .

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a portable telephone device in which a space between a waterproof film and a main body case is constant and which has a stable frequency characteristic of received voice. The purpose is to gain.

[0008]

A portable telephone device according to the present invention is provided with a main body case, an earpiece formed in the main body case, and installed inside the main body case so as to face the earpiece. A receiver that outputs a received voice, a waterproof film that covers the earpiece on the inner surface of the main body case and blocks water that enters from the earpiece, and a pressing part that is provided on the outer periphery of the receiver and presses the outer periphery of the waterproof film toward the inner surface side of the main body case. When formed so as to protrude into the receiver to the earpiece vicinity of the main body case inner surface, in which a protrusion for pressing the central portion of the waterproof membrane to the receiver side.

Further, the central portion of the waterproof film is pressed in a planar manner by the projection.

[0010]

SUMMARY OF portable telephone apparatus in the invention, by a waterproof membrane periphery is pressed to the main body casing inner surface by the pressing portion to press the central portion of the waterproof membrane to the receiver side by the protruding portion, the waterproof membrane and the main body case The space between them is divided into a central part near the protrusion and a peripheral part near the outer periphery of the waterproof film, and these spaces are made constant.

Further, by pressing the central portion of the waterproof film in a planar shape with the projection, the contact portion between the projection and the waterproof film becomes planar, and the space between the waterproof film and the main body case is formed in the vicinity of the projection. It can be clearly divided into a central part and a peripheral part near the outer periphery of the waterproofing membrane.

[0012]

【Example】

Embodiment 1 FIG. FIG. 1 is a side sectional view of a portable telephone device showing one embodiment of the present invention, FIG. 2 is an enlarged side view around a receiver section of the portable telephone device, and FIG. 4 is a partial inner view of the main body front case with a waterproof film, FIG. 5 is a front view of the waterproof film, FIG. 6 is a front view of the receiver,
FIG. 7 is a side view of the receiver, and FIG. 8 is an exploded view around the receiver section of the portable telephone device.

In the figures, the same or corresponding parts as in the conventional example are denoted by the same reference numerals, and description thereof will be omitted. 12 is formed so as to protrude Previous Symbol receiver 5 side to the front case 1 inner surface of the earpiece 2 vicinity, ribs for pressing to the receiver 5 side <br/> a central portion of the waterproof film 6 in diploma, 13 substrate 8 And a screw 14 for fixing the main body front case 1, and a double-sided tape 14 attached around the waterproof film 6. Note that the rib 12 indicates a protrusion, and the cushion 7 indicates an elastic body.

Next, the operation will be described. The operation during a call is the same as the conventional one, so that the description is omitted and the structure is described. The receiver 5 is fixed by a receiver holder 9 and pressed against the front case 1, and the substrate 8 and the front case 1 are fixed by screws 13.

Next, a waterproof structure of the portable telephone device will be described. The waterproof membrane 6 around the double-sided tape 14, and pasted the waterproof membrane 6 so as to cover the earpiece 2, presses the waterproof film 6 outer periphery to the front case 1 inner surface side in the cushion 7, joining the receiver 5 and the front case 1 . Thus, the waterproof film 6 central department is pressed against the receiver 5 side by the rib 12, the waterproof film 6
The whole becomes a dome shape. Further, the space created between the receiver 5 and the front case 1 is formed by a central portion near the rib 12 and the waterproof film 6.
The space is divided into peripheral portions near the outer periphery, and these spaces are always constant.

[0016]

As it is evident from the foregoing description, by pressing the central portion of the waterproof film to the receiver side by the protruding portion, the waterproof film and the surrounding portions of the space waterproof membrane outer periphery and the central portion of the protrusion near the inter-body case These spaces can be made constant, the sound with stable frequency characteristics is output from the receiver, the sound leakage can be reduced, and the tension of the waterproof film does not change depending on the operating temperature and humidity conditions. There is an effect that a portable telephone device having a stable space between the portable telephone device and the main body case can be obtained.

Further, the space between the waterproof film and the main body case can be clearly divided into a central portion near the protrusion and a peripheral portion near the outer periphery of the waterproof film by pressing the central portion of the waterproof film in a planar manner with the protrusion. And a portable telephone device having a sufficiently stable space between the waterproof film and the main body case is obtained.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a mobile phone device showing one embodiment of the present invention.

FIG. 2 is an enlarged side view of the vicinity of a receiver according to an embodiment of the present invention.

FIG. 3 is a partial internal view of a main body front case showing one embodiment of the present invention.

FIG. 4 is a partial inner view of a main body front case to which a waterproof film according to an embodiment of the present invention is attached.

FIG. 5 is a front view of a waterproof membrane showing one embodiment of the present invention.

FIG. 6 is a front view of a receiver showing one embodiment of the present invention.

FIG. 7 is a side view of a receiver showing one embodiment of the present invention.

FIG. 8 is an exploded view of the vicinity of a receiver section according to an embodiment of the present invention.

FIG. 9 is a side sectional view of a conventional portable telephone device.

FIG. 10 is an enlarged side view around a conventional receiver section.

FIG. 11 is an enlarged side view around a conventional receiver.

[Explanation of symbols]

1 front case, 2 earpiece, 5 receiver, 6 waterproof membrane, 7 cushion, 12 rib

Claims (2)

(57) [Claims] A main body case, a receiver formed in the main body case, a receiver installed inside the main body case so as to face the receiver, and outputting a reception voice to the receiver, and the main body. A waterproof film that covers the earpiece on the inner surface of the case and blocks water that enters from the earpiece; a pressing portion provided on the outer periphery of the receiver and pressing the outer periphery of the waterproof film toward the inner surface side of the main body case; is formed so as to protrude into the receiver side <br/> the earpiece near the inner surface, a portable telephone device, characterized in that the central portion of the waterproof film and a protrusion for pressing into the receiver side . 2. The portable telephone device according to claim 1, wherein said projection presses a central portion of said waterproof film in a planar manner.