JP2005323136A - Mobile terminal device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a folding-type mobile telephone set whose antenna will not protrudes. <P>SOLUTION: The mobile telephone set has a 1st housing part, where operation buttons are arrayed and a 2nd housing part provided with a liquid crystal display screen, those housing parts being foldable on their connection part. The 2nd housing part has an absent part, whose length is smaller than that of the 1st housing part, which has a projection part projected at a position, corresponding to the absent part; when the 1st housing part and 2nd housing part are folded, the absent part and projection part meet each other and the length of the 2nd housing part and the length of the 1st housing part apparently becomes nearly equal to each other. Consequently, the antenna will not be projected from the housing, when the housing parts are folded. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a mobile terminal, and more particularly to a mobile phone in which an antenna portion of a foldable mobile phone does not protrude to the outside.

  The spread of mobile phones is remarkable, and more functions are added and models with various designs are developed on a daily basis. Along with this, the form of mobile phones has also changed in various ways. At present, foldable mobile phones have been developed for the purpose of mounting a large LCD screen and preventing erroneous operation of push buttons. It is becoming.

  This foldable mobile phone is composed of a first case in which operation buttons such as number keys and various input keys are arranged, and a second case in which a large liquid crystal screen is provided. It is possible to fold through. In the folded state, the first casing on which the operation buttons are arranged is covered with the second casing, and the malfunction of the operation buttons is prevented. Further, even when the overall shape is expanded, it can be carried compactly in the folded state, which is advantageous in terms of increasing the screen size.

  By the way, in the case of a mobile phone, since transmission / reception by radio is fundamental, an antenna for transmission / reception must be provided. As this transmission / reception antenna, a telescopic rod antenna is usually employed, and its tip protrudes from the mobile phone. A foldable mobile phone is no exception. For example, as shown in FIG. 3A, the connection side of the first casing 101 or the tip of the second casing 102 as shown in FIG. 3B. When the antenna 103 is provided on either side, the tip of the antenna 103 is projected from the housings 101 and 102 in a folded state.

  In recent years, a built-in type antenna has been proposed and put into practical use for the purpose of preventing the antenna from protruding. With this built-in type antenna, it is not necessary to extend and use the antenna, and it is built in the housing and does not protrude. However, when an antenna is incorporated as described above, it is necessary to use a highly sensitive antenna, which is disadvantageous in terms of manufacturing cost.

The present invention has been proposed in view of such a conventional situation. That is, an object of the present invention is to provide a foldable mobile phone in which an antenna does not protrude. Another object of the present invention is to provide a mobile phone having a novel structure in which the antenna does not protrude in a folded state without using a highly sensitive antenna.
JP 2004-32596 A

In order to achieve the above-described object, a mobile phone according to the present invention includes a first casing portion on which operation buttons are arranged, and a second casing portion on which a liquid crystal display screen is provided. In the portable terminal in which the casing is foldable at the connection portion, the second casing has a missing portion formed to be shorter than the first casing. The first housing part has a protruding part that protrudes to a position corresponding to the missing part, and when the first housing part and the second housing part are folded, the missing part and the protruding part are In agreement, the length of the second casing and the length of the first casing are apparently substantially the same.

In addition, another mobile phone according to the present invention includes a first housing portion on which operation buttons are arranged,
In a portable terminal device having a second casing portion provided with a liquid crystal display screen and these casing portions being foldable at connection portions, the second casing portion is a first casing. The first casing has a protruding portion that protrudes to a position corresponding to the missing portion, and has a first casing. When the part and the second housing part are folded, the missing part and the projecting part coincide with each other, and the upper surface part of the second housing part and the upper surface part of the projecting part are substantially flush with each other. To do.

  More preferably, the second casing part has an antenna part protruding from one end side, the first casing part has a recess at a position corresponding to the antenna part, The antenna portion is housed in the recess when the first housing portion and the second housing portion are folded.

  More preferably, the second casing part has an overall length including the length of the antenna part substantially the same as that of the first casing part, and the first casing part When the second casing portion is folded, the shape of the first casing and the shape of the second casing appear to be substantially the same.

  In the cellular phone according to the present invention, in the folded state, the protruding portion is formed to bulge in the first casing corresponding to a portion of the second casing that is smaller than the first casing. At this time, the projecting portion is not formed in a portion corresponding to the antenna portion, and the antenna portion projecting from the second housing is in a form accommodated in the concave portion of the first housing. As a result, in the folded state, the second housing, the antenna portion, and the protruding portion are integrated, and the overall shape is substantially the same as that of the first housing, and there is no protruding portion.

  According to the mobile terminal of the present invention, it is possible to provide a foldable mobile phone in which the antenna does not protrude, and the appearance design of the mobile phone is very good. In the present invention, unlike a telephone with a built-in antenna, a general-purpose antenna with a protruding tip is basically used. Therefore, a high-sensitivity antenna is unnecessary, which is advantageous in terms of manufacturing cost.

  Hereinafter, a mobile phone to which the present invention is applied will be described in detail with reference to the drawings.

  The mobile phone 1 according to the present embodiment is a so-called foldable mobile phone as shown in FIGS. That is, the cellular phone 1 includes a first housing 4 in which operation buttons such as a number key 2 and various operation keys 3 are arranged, and a second housing 6 in which a liquid crystal display screen 5 is provided. The

  The first casing 4 and the second casing 6 are coupled to each other via a rotatable hinge portion 7, and the user opens the casings 4 and 6 when using the mobile phone 1. Check the key operation and display, and use it as a telephone or send / receive mail. On the other hand, when the cellular phone 1 is not in use, the casings 4 and 6 can be folded and compactly carried in a folded state.

  In the case of the mobile phone 1 having such a configuration, it is essential to mount an antenna. Also in the mobile phone 1 of the present embodiment, the antenna portion 8 is provided so as to protrude on the second housing 6 side. In this example, the antenna unit 8 is a fixed antenna and is not of a type that can be expanded and contracted. Of course, the antenna unit 8 is not limited to this type, and may be an antenna of a type that expands and contracts. Also in this case, the tip portion of the antenna is attached so as to protrude from the second housing 6.

  Normally, the antenna unit 8 protruding from the second casing 6 is in a state of protruding from the cellular phone 1 even in a folded state. However, in the cellular phone 1 of the present embodiment, the antenna unit 8 is provided in the first casing 4. The protruding portion 9 accommodates the antenna portion 8 without protruding outward. Hereinafter, this structure will be described.

  As shown in FIGS. 1A and 1B, first, in the mobile phone 1 of the present embodiment, the length dimension of the second casing 6 is larger than the length dimension of the first casing 4. A missing portion 10 is provided so as to be smaller. In the second housing 6, the antenna portion 8 is formed so as to protrude adjacent to the missing portion 10, and the entire length including the antenna portion 8 is substantially equal to the length of the first housing 4. It is set to be equal. Therefore, the shape of the second housing 6 is in a state in which a part thereof is missing compared to the shape of the first housing 4.

  On the other hand, a protrusion 9 is formed at a position corresponding to the missing portion 10 of the second casing 6 on the surface where the second casing 6 is overlapped when the first casing 4 is folded. The shape and height of the upper surface portion 12 of the projecting portion 9 are set so as to form the same surface as the upper surface portion 11 of the second housing 6 when folded. The protruding portion 9 has a shape in which a portion corresponding to the antenna portion 8 is partially cut off, and this portion functions as a concave portion 9 a to accommodate the antenna portion 8. Further, the length T of the protruding portion 9 and the recessed portion 9a is set to be substantially the same as the length H of the antenna portion 8 and the missing portion 10.

  In the mobile phone 1 having the above-described configuration, the first casing 4 and the second casing 6 are spread and used. At this time, the antenna unit 8 has a shape protruding from the second housing 6 so that sufficient sensitivity is ensured. Unlike a mobile phone with a built-in antenna, the antenna unit 8 has sufficient sensitivity even if it is not a high-sensitivity antenna. can get.

  On the other hand, when the second housing 6 is folded, as shown in FIGS. 2 (a) and 2 (b), the missing portion 10 and the protruding portion 9 of the second housing 6 coincide with each other. The housing 6 includes the length of the protruding portion 9 and is substantially equal to the length of the first housing 4. Further, the upper surface portion 12 of the protruding portion 9 forms the same surface as the upper surface portion 11 of the second housing 6 when folded. Further, the antenna portion 8 is accommodated without protruding into the recess 9a adjacent to the protruding portion 9a. As a result, the second housing 6, the antenna unit 8, and the protrusion 9 provided in the first housing 4 are integrated into a single housing, and the shape of the second housing 6 is The shape of the first housing 4 is apparently substantially equal.

It is a figure which shows the state which expanded the mobile telephone, (a) is a top view, (b) is a side view. It is a figure which shows the state which folded the mobile telephone, (a) is a top view, (b) is a side view. It is a figure which shows the conventional mobile phone typically, (a) is a top view of the mobile phone which provided the antenna part in the 1st housing | casing, (b) is the mobile phone which provided the antenna part in the 2nd housing | casing. It is a top view of a telephone.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cellular phone 2 Number key 3 Operation key 4 1st housing | casing 5 Liquid crystal display screen 6 2nd housing | casing 7 Hinge part 8 Antenna part 9 Protrusion part 10 Missing part 11, 12 Upper surface part

Claims (5)

A first housing part in which operation buttons are arranged;
A second housing part provided with a liquid crystal display screen,
In a portable terminal device in which these housing parts are freely foldable at the connection part,
The second housing part has a missing part formed to have a length smaller than that of the first housing part,
The first housing part has a protruding part protruding at a position corresponding to the missing part,
When the first casing portion and the second casing portion are folded, the missing portion and the protruding portion coincide with each other, and the length of the second casing portion and the first casing portion A mobile terminal characterized in that the length is substantially the same. A first housing part in which operation buttons are arranged;
A second housing part provided with a liquid crystal display screen,
In a portable terminal device in which these housing parts are freely foldable at the connection part,
The second housing part has a missing part formed to have a length smaller than that of the first housing part,
The first housing part has a protruding part protruding at a position corresponding to the missing part,
When the first housing part and the second housing part are folded, the lacking part and the protruding part coincide with each other, and the upper surface part of the second housing part and the upper surface part of the protruding part A mobile terminal characterized by the fact that they are substantially the same. A first housing part in which operation buttons are arranged;
A second housing part provided with a liquid crystal display screen,
In a portable terminal device in which these housing parts are freely foldable at the connection part,
The second housing part has a missing part formed to have a length smaller than that of the first housing part,
The first housing part has a protruding part protruding at a position corresponding to the missing part,
When the first casing portion and the second casing portion are folded, the missing portion and the protruding portion coincide with each other, and the length of the second casing portion and the first casing portion A mobile terminal having a length substantially the same as that of the upper surface of the second casing and the upper surface of the protrusion. The second housing portion has an antenna portion that is formed to protrude to one end side,
The first housing part has a recess at a position corresponding to the antenna part,
The portable terminal according to any one of claims 1 to 3, wherein the antenna unit is accommodated in the recess when the first casing unit and the second casing unit are folded. . The entire length of the second casing part including the length of the antenna part is substantially the same as that of the first casing part, and the first casing part and the second casing part are the same. The mobile terminal according to claim 4, wherein when the body part is folded, the shape of the first casing and the shape of the second casing are substantially the same.

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