JP2003338864A - Portable communication terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable communication terminal which is made small and light by dispensing with a dedicated housing part for an input pen, can transmit and receive a signal even when the input pen is used and has no possibilities that there are the contact failure, sensitivity deterioration and loss of a rod antenna. <P>SOLUTION: In this portable communication terminal 1 wherein the rod antenna 5 is arranged at a housing 2 having a touch panel 3 in an extractable and retreatable way, the input pen 10 having a cylindrical input pen main body 10b with a bottom and a pen point 10a at the bottom of the input pen main body 10b is housed in the housing 2 in an extractable and retreatable way, and the rod antenna 5 is housed in the input pen 10. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication terminal capable of inputting various information with an input pen.
In particular, it is suitable for a small and thin portable wireless device such as a mobile phone or PHS (Personal Handy Phone System).

[0002]

2. Description of the Related Art Portable radios such as mobile phones and PHS,
A mobile communication terminal such as a PDA (personal digital assistant) equipped with a wireless system is used for personal information and E-ma.
When inputting text such as il or other information, an input pen is used alone or together with another input device (key) as the input means.

FIG. 9 shows a conventional example of a portable communication terminal equipped with an input pen. In the figure, 1 is a mobile communication terminal known as a mobile wireless device, and the mobile communication terminal 1 mainly includes a housing 2, a touch panel 3 as a display unit, a plurality of keys 4 for input, and a housing 2. The antenna holder (not shown) provided includes a rod-shaped antenna 5 and an input pen 6 which are retractably housed. The input pen 6 can be housed in a housing formed in the housing 2 in a freely retractable manner. There is. In addition, 5a is a helical antenna part attached to the rod-shaped antenna 5. The reason for providing the antenna holder is as follows. That is, since the rod-shaped antenna 5 is of a type to be pulled out and used, without an antenna holder, water droplets and dust enter the housing 2 and must be prevented. Therefore, the antenna holder is required. . In addition, an antenna holder is required to prevent static electricity and smoothly store the antenna.

The housing 2 is a molded product of synthetic resin or metal, has a sound receiving port 7 and a mouthpiece 8, and has an electronic circuit board, a battery, a speaker, a microphone (all not shown) and the like built therein. ing.

The touch panel 3 is designed so that predetermined information is displayed on the liquid crystal display screen and the signal contents at the time of signal input are displayed. As a signal input method, operation of the key 4 or pen input by the input pen 6,
Alternatively, both the keys 4 and the input pen 6 can be used.

In the above-mentioned conventional example, when performing a pen input, the tip of the pen tip 6a of the input pen 6 is brought into contact with the touch panel 3 to input characters or figures, or a desired command key displayed on the touch panel 3 is input. select.

Another example of the mobile communication terminal is shown in FIGS. 10 and 11, and in this illustrated example, the rod-shaped antenna 5 also serves as an input pen. Thus, the rod-shaped antenna 5 is detachably housed in the cylindrical antenna holder 9 provided in the housing 2. In the figure, the same parts as those shown in FIG. 9 are designated by the same reference numerals.

In such a conventional example, when pen-shaped input is performed, as shown in FIG. 11, the rod antenna 5 also serving as an input pen is removed from the antenna holder 9 and the helical antenna portion 5a attached to the rod antenna 5 is used. Touches the touch panel 3 with the tip of the pen tip 5b formed at the tip on the opposite side to input characters or figures, or selects a desired command key displayed on the touch panel 3 (Japanese Patent Laid-Open No. 7-33).
6759, Japanese Patent Laid-Open No. 11-284419).

[0009]

In the case of the mobile communication terminal 1 shown in FIG. 9, it is necessary to provide a dedicated storage section for storing the input pen 6 in addition to the rod antenna 5 in the housing 2. The housing 2 becomes large, and therefore the mobile communication terminal 1 cannot be made small and lightweight.

On the other hand, the mobile communication terminal 1 shown in FIGS.
In this case, since the rod-shaped antenna 5 is also used as the input pen, it is not necessary to provide a housing section dedicated to the input pen in the housing 2. Therefore, the housing 2 does not become large and the portable communication terminal 1 is small. Therefore, the weight can be reduced. However, FIGS.
When the rod-shaped antenna 5 is used as the input pen, the mobile communication terminal 1 of 1 cannot transmit and receive signals. Therefore, the advantage of the mobile communication terminal 1 that it can be transmitted and received anytime and anywhere cannot be fully utilized. Further, when the rod-shaped antenna 5 is used as an input pen, touching the rod-shaped antenna 5 may cause contact failure and sensitivity deterioration when used as the antenna, and also may cause the rod-shaped antenna 5 to be lost.

In view of the above situation, the present invention makes it possible to reduce the size and weight of the portable communication terminal by eliminating the storage section dedicated to the input pen, and to transmit and receive signals even when the input pen is used. In addition, it is an object of the present invention to provide a mobile communication terminal which is free from contact failure, deterioration of sensitivity, and loss of a rod-shaped antenna.

[0012]

According to a first aspect of the present invention, there is provided a portable communication terminal in which a rod-shaped antenna is placed in a housing having a touch panel so that the antenna can be put in and taken out of the housing. An input pen having a pen tip on the bottom of the main body and the main body of the input pen is housed so that it can be taken in and out, and the rod-shaped antenna is housed in the input pen.

According to another aspect of the mobile communication terminal of the present invention, a lid is provided on the side opposite to the side where the rod-shaped antenna of the housing is inserted and removed so that the lid can be opened and closed, and the side facing the inside of the housing when the lid is closed. Is provided with a first support portion for supporting the pen tip of the input pen, and a second support for supporting the input pen body of the input pen is provided inside the side of the housing where the rod-shaped antenna is inserted and removed. A portion is provided, and both ends of the input pen are clamped by the first support portion and the second support portion when the lid is closed.

According to a third aspect of the present invention, there is provided a portable communication terminal in which an antenna wire is provided on at least an outer peripheral surface of the input pen body of the input pen, and a portable communication terminal according to a fourth aspect of the invention is at least the input pen body of the input pen. An antenna wire is provided on an inner peripheral surface of the mobile communication terminal according to claim 5, wherein at least the input pen body of the input pen is made of a metal material,
The input pen has a function as an antenna.

According to the first to fifth aspects of the present invention, since the input pen also serves as the antenna holder, it is not necessary to provide a dedicated space for the input pen in the housing.
It is possible to reduce the size and weight of mobile communication terminals.
Signals can be transmitted and received by the rod-shaped antenna even when the input pen is used, and further, there is no risk of contact failure or sensitivity deterioration of the rod-shaped antenna or loss of the rod-shaped antenna.

According to the invention of claim 2, the antenna holder, which also serves as the input pen, can stably hold the antenna without rattling.
In the invention of 5, the sensitivity of the rod-shaped antenna can be further improved.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 6 show an example of a mode for carrying out the mobile communication terminal of the present invention. Thus, in the illustrated example, the input pen can be used also as the antenna holder. In the figure, 10 is an input pen, which comprises a bottomed cylindrical input pen body 10b and a tapered pen tip 10a at the bottom of the input pen body 10b.

The input pen 10 is made of vinyl chloride, polycarbonate, ABS resin or the like, but may be made of a metal material. However, the pen tip 10a is preferably made of a material having a hardness lower than that of the constituent material (for example, glass) of the touch panel 3 so that the touch panel 3 is not scratched at the time of input, and the tip portion that directly contacts the touch panel 3 is slightly arcuate. Has been formed. Further, the input pen body 10b and the pen tip 10a forming the input pen 10 may be integrally formed, or they may be separately formed and the pen tip 10a is fitted into the end portion of the input pen body 10b. , May be fixed.

As shown in FIG. 1, when the input pen 10 is housed at a predetermined position in the housing 2 so that the rod-shaped antenna 5 is stored in the internal space, the rod-shaped antenna 5 is inserted into and removed from the opening of the input pen 10. The protrusion 2a is fitted and supported by a cylindrical protrusion 2a formed inside the housing 2
The lower end surface of the metal annular portion 2b fitted to the outer periphery of the ring 2 can come into contact with each other.
The second support portion is configured with b.

Further, the pen tip 10a of the input pen 10 is detachably supported on the inside of the bottom surface of the lid 11 provided on one side near the bottom of the housing 2 via the hinge portion 2c so as to be openable and closable. It has become. That is, the annular protrusion 11 a (see FIG. 3) as the first support portion is formed inside the bottom portion of the lid body 11, and the pen tip 10 a of the input pen 10 is formed.
Is fitted into and supported by a hole formed by being surrounded by the annular projection 11a of the closed lid 11.

The protrusion 1 is formed on the outer side of the portion formed on the bottom of the lid 11 and protruding in the inverted U shape toward the inside of the housing 2.
1b is formed, and when the lid 11 is closed, the projection 11b can be engaged with the end 2d formed by bending the bottom of the housing 2 from the inside of the housing 2. There is. Reference numeral 12 is a power feeding portion (see FIG. 2) having one end electrically connected to the annular portion 2b and the other end extending to the inside of the protruding portion 2a (see FIG. 2).
The helical antenna portion 5a provided at the tip of the
When the rod-shaped antenna 5 is pulled out, the rear end of the rod-shaped antenna 5 is electrically connected to the power feeding portion 12.

Next, the operation of the illustrated example will be described. When the input pen 10 is not used, the input pen 10 is housed in the housing 2 as shown in FIG. 1, the rod-shaped antenna 5 is housed in the input pen 10, and the opening of the input pen 10 is also stored. Is externally fitted and fixed to the outer periphery of the protruding portion 2a and is positioned by abutting against the lower surface of the annular portion 2b. Further, the pen tip 10a of the input pen 10 is surrounded by the inner annular protrusion 11a of the closed lid 11. It is fitted in the hole and positioned and supported.

Therefore, the input pen 10 is supported in a state where it is sandwiched by the projecting portion 2a serving as the second supporting portion, the annular portion 2b, and the annular protrusion 11a serving as the first supporting portion at both ends thereof. Therefore, the input pen 10 is firmly fixed in the housing 2 without rattling, and the input pen 10 and the rod-shaped antenna 5 can be reliably protected.

When the input pen 10 is used, the lid 11 is rotated downward to open it as shown in FIG. 4, and the input pen 10 is pulled out from the opening at the bottom of the housing 2 as shown in FIG. 6, the lid 11 is closed, and the tip of the pen tip 10a of the input pen 10 is brought into contact with the touch panel 3 to input characters or figures, or a desired command key displayed on the touch panel 3. Select.

Even when the input pen 10 is used, since the rod-shaped antenna 5 is located at the proper position with respect to the housing 2, there is no problem in transmitting and receiving signals by the helical antenna portion 5a. When necessary, the rod-shaped antenna 5 is pulled out from the housing 2 to perform transmission / reception.

In the illustrated example, since the input pen 10 also serves as the antenna holder, it is not necessary to provide a dedicated storage space for the input pen 10 in the housing 2. Therefore, the size and weight of the mobile communication terminal 1 can be reduced.

Further, even when the input pen 10 is used, signals can be transmitted and received by the rod-shaped antenna 5, and further, contact failure or sensitivity deterioration of the rod-shaped antenna 5 may occur.
There is no risk of losing the rod-shaped antenna 5.

FIG. 7 shows another example of the mode for carrying out the portable communication terminal of the present invention. In the illustrated example, the input pen body 10b
The helical antenna portion 5 of the rod-shaped antenna 5 is provided on the outer peripheral surface of the
An antenna wire 13 made of a metal having good electric conductivity such as aluminum or copper is spirally wound from the side a to the longitudinal middle portion of the input pen body 10b. In this case, the annular portion 2b forming the second support portion is made of metal, and when the input pen 10 is housed in the housing 2 in a predetermined state, the antenna wire 13 contacts the lower end surface of the support portion 2b. Keep it.

With this structure, the following operational effects are produced in addition to the operational effects of the above-described embodiment. That is, by tuning the rod-shaped antenna 5 and the antenna wire 13, the reception area is increased when the rod-shaped antenna 5 is extended and used, and the antenna sensitivity is improved. The antenna wire 13 is not wound around the entire length of the input pen body 10b from the helical antenna portion 5a side of the rod-shaped antenna 5 to the middle portion in the longitudinal direction of the input pen body 10b.
This is to make it easy to hold when using the input pen 10.

FIG. 8 shows still another example of the mode for carrying out the portable communication terminal of the present invention. In the illustrated example, the input pen body 1
On the inner circumference of 0b, an antenna wire 13 made of a metal having good electric conductivity such as aluminum or copper is spirally wound from the opening to the vicinity of the pen tip 10a. In this case, the annular portion 2b as the second support portion is made of metal, and the input pen 1
When 0 is stored in the housing 2 in a predetermined state, the antenna wire 13 is made to contact the lower end surface of the annular portion 2b.

Even with such a configuration, the same operational effects as those of the above-described respective embodiments can be obtained, and since the antenna wire 13 can be wound around the entire length of the input pen body 10b, the receiving area is further increased. By increasing the number, the antenna sensitivity is further improved.

In the mobile communication terminal of the present invention,
At least a part or the whole of the input pen body of the input pen may be formed of a material having good electrical conductivity such as aluminum or copper and used as a part of the antenna. It is needless to say that not only copper but also various metals can be used as long as they have good electric conductivity, and various changes can be made without departing from the scope of the present invention.

[0033]

As described above, the first aspect of the present invention is as described above.
According to the mobile communication terminals 1 to 5, since the input pen also serves as the antenna holder, it is not necessary to provide a dedicated space for the input pen in the housing. Therefore, the size and weight of the mobile communication terminal can be reduced. In addition, it is possible to send and receive signals with a rod-shaped antenna even when using the input pen. Furthermore, contact failure or sensitivity deterioration of the rod-shaped antenna may occur, or the rod-shaped antenna may be lost. According to the mobile communication terminal of claim 2, the rod-shaped antenna can be stably protected without rattling of the input pen as the antenna holder, and the mobile communication terminal of claims 3 to 5 is possible. Thus, an excellent effect that the antenna sensitivity can be improved can be obtained.

[Brief description of drawings]

FIG. 1 is an example of an embodiment of a mobile communication terminal of the present invention,
FIG. 6 is a partially cutaway front view showing a state in which the input pen is housed in the housing and the rod-shaped antenna is housed in the input pen.

FIG. 2 is an enlarged view of a part II in FIG.

FIG. 3 is an enlarged view of a part III in FIG.

FIG. 4 is an example of an embodiment of a mobile communication terminal of the present invention,
FIG. 7 is a partially cutaway front view showing a state in which a lid body provided on the bottom surface of the housing is opened to pull out the input pen.

FIG. 5 is an example of an embodiment of a mobile communication terminal of the present invention,
FIG. 6 is a partially cutaway front view showing a state in which a lid provided on the bottom surface of the housing is opened and an input pen is pulled out.

FIG. 6 is an example of an embodiment of a mobile communication terminal of the present invention,
It is a partially broken front view showing a state in which an input pen is used.

FIG. 7 is a partially cutaway front view showing a state in which the input pen is housed in the housing and the rod-shaped antenna is housed in the input pen in another example of the embodiment of the mobile communication terminal of the present invention. is there.

FIG. 8 is a partially cutaway front view showing a state in which an input pen is housed in a housing and a rod-shaped antenna is housed in the input pen in still another example of the embodiment of the mobile communication terminal of the present invention. Is.

FIG. 9 is a front view showing an example of a conventional mobile communication terminal in which a dedicated input pen is used.

FIG. 10 is a partially cutaway front view showing a state where a rod-shaped antenna that also serves as an input pen is housed in an antenna holder in another example of the conventional mobile communication terminal.

11 is a partially cutaway front view showing a state where the antenna is used as an input pen in the mobile communication terminal of FIG.

[Explanation of symbols]

1 Mobile communication terminal 2 housing 2a Projection (second support) 2b annular part (second support part) 3 touch panel 5 bar antenna 10 input pen 10a Nib 10b Input pen body 11 lid 11a Annular projection (first support portion) 13 antenna wire

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04Q 7/32 H04B 7/26 V 7/38 109H F term (reference) 5B068 BD02 BD13 5J046 AA01 AA02 AA07 AA08 AB06 SA03 5J047 AA01 AA02 AA07 AA08 AB06 FD01 5K023 AA07 GG12 LL05 MM16 PP12 5K067 AA34 AA42 BB04 BB21 EE02 FF15 FF23 KK01 KK17

Claims (5)

[Claims] 1. A portable communication terminal in which a rod-shaped antenna is placed in a housing having a touch panel so that the antenna can be taken in and out, and the housing has a bottomed cylindrical input pen body and a pen tip at the bottom of the input pen body. A portable communication terminal, wherein an input pen is stored so that it can be taken in and out, and the rod-shaped antenna is stored in the input pen. 2. A lid body is provided on the side opposite to the side where the rod-shaped antenna is taken in and out of the housing so as to be openable and closable, and the side of the input pen facing the inside of the housing when the lid body is closed. A first support part for supporting the pen tip is provided, and a second support part for supporting the input pen main body of the input pen is provided inside the housing on the side where the rod-shaped antenna is taken in and out. The mobile communication terminal according to claim 1, wherein the first support portion and the second support portion are configured to hold both ends of the input pen when the is closed. 3. The antenna wire is provided on at least the outer peripheral surface of the input pen body of the input pen.
Or the mobile communication terminal according to 2. 4. The mobile communication terminal according to claim 1 or 2, wherein an antenna wire is provided on at least an inner peripheral surface of the input pen body of the input pen. 5. The input pen at least the main body of the input pen is made of a metal material, and the input pen has a function as an antenna.
Or the mobile communication terminal according to 2.