JP2000151239A - Portable telephone set - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid the transmission and reception of radio waves from being adversely affected by a human head, and to house an antenna in a case. SOLUTION: An opening 8 for putting in/out an antenna 6 is formed on a rear face 106B opposite to an operation face 106 of a case 4, and the antenna 6 is supported through the opening 8 to be freely put in/out from/into the case 4. When the antenna 6 is drawn out from the case 4 during speech communication, the antenna becomes almost perpendicular to the rear face and extends in a direction away from the case 4. Thus, the antenna is arranged at the place away from the head of a user to avoid the transmission and reception of radio waves from being adversely affected by the user's head. On the other hand, when speech communication is not performed, only the head part of the antenna 6 becomes slightly projecting state from the rear face of the case 4 by pushing the antenna 6 into an antenna housing part 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone.

[0002]

2. Description of the Related Art FIG. 6 is a front view showing an example of a conventional portable telephone, and FIG. 7 is a side view showing a use state of the portable telephone shown in FIG. As shown in FIG.
The receiver 104 is provided at the upper part of the housing 104 on the operation surface (front) side, and the transmitter part 110 is provided at the lower part. A display unit 112 and a key operation unit 114 are provided between the reception unit 108 and the transmission unit 110. In many cases, the antenna 116 is configured to protrude from the top of the housing 104 and extend in the longitudinal direction of the housing 104. When making a call using such a mobile phone 102, as shown in FIG. 7, the operation surface 106 is turned to the side of the face, the earpiece 108 (FIG. 6) is put on the ear, and the earpiece 108 is turned on. Arrange so that it is close to the mouth.

[0003]

However, at this time, since the antenna 116 extends in the longitudinal direction of the housing 104 from the top of the housing 104, as shown in FIG. It will be located near the head. The human head is a kind of conductor and affects the propagation of radio waves. As a result, transmission and reception of radio waves through the antenna 116 may be adversely affected, and normal communication may be interrupted depending on the strength of radio waves.

In order to solve such a problem, Japanese Patent Laid-Open No. Hei 10-224134 discloses a portable telephone having an antenna disposed on the back side.
And Japanese Patent Application Laid-Open No. 7-123463, however, cannot dispose the antenna in the housing, and when the mobile phone is stored in a clothes pocket or a bag, the antenna is Easy to get caught in
There is a drawback that it is difficult to handle, and there is a possibility that the antenna may be damaged.

An object of the present invention is to solve such a problem, and an object of the present invention is to prevent a human head from adversely affecting transmission and reception of radio waves and to accommodate an antenna in a housing. To provide a mobile phone.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an opening formed on the back of a housing opposite to a surface on which a receiver is provided, and an opening formed on the housing through the opening. And an antenna supported so as to be able to be taken in and out, wherein the antenna extends in a direction away from the rear surface when pulled out of the housing. That is, in the mobile phone of the present invention, since the antenna extends in the direction away from the housing on the rear side of the housing, the antenna is disposed at a position away from the head of the user, and the head of the user is It is possible to avoid a bad influence on the transmission and reception of radio waves by the unit, and to always make a call in a good state. And since the antenna can be stored in the housing through the above-mentioned opening on the back, when the mobile phone is stored in a clothes pocket or a bag, as in the conventional case, the antenna does not scratch around, and Eliminates the problem of antenna damage.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a partial cross-sectional side view showing an embodiment of a mobile phone according to the present invention, FIG. 2 is a side view showing the entire embodiment of the present invention, and FIG. 3 shows an embodiment of the present invention. It is a front view. 6 and 7 in FIG.
The same elements as those described above are denoted by the same reference numerals.

As shown in FIG. 3, a receiver 108 is provided on the upper side of the operation surface 106 of the housing 4 on the operation surface (front) 106 side of the mobile phone 2 according to the present embodiment, as in the prior art. The transmission unit 110 is provided at the lower part. The display unit 112 is placed between the reception unit 108 and the transmission unit 110.
And a key operation unit 114. On the other hand, an opening 8 for inserting and removing the antenna 6 is formed on the rear surface 106 </ b> B of the housing 4 opposite to the operation surface 106, and the antenna 6 is supported so as to be able to be inserted into and removed from the housing 4 through the opening 8. Have been. When pulled out of the housing 4, the antenna 6 extends in a direction away from the rear surface, specifically, in the present embodiment, in a direction substantially perpendicular to the rear surface. In the present embodiment, the total length of the antenna 6 is substantially equal to the distance between the operation surface 106 of the housing 4 and the back surface 106B.

A tubular antenna housing 10 is provided inside the housing 4 inside the opening 8. When the antenna 6 is pushed into the housing 4, the antenna 6 is housed in the antenna housing 10. You. The diameter of the opening 8 is set to a size that allows the antenna 6 to be smoothly inserted and removed without rattling. The base 6A of the antenna 6 is formed to have a larger diameter than the main body, while inside the opening 8,
An annular body 8A having an inner diameter smaller than the base 6A is disposed concentrically with the opening 8. Then, when the antenna 6 is pulled out of the housing 4, the base 6A abuts on the inner surface of the ring 8A, and further pulling out of the antenna 6 is prevented. The ring body 8A is made of metal, and is electrically connected to a transmitting / receiving circuit (not shown) in the housing 4 by a lead wire (not shown). Therefore, when the antenna 6 is pulled out, the base 6A of the antenna 6 abuts on the ring body 8A as described above, and as a result, the antenna 6 is electrically connected to the transmission / reception circuit.

[0010] When making a call with the portable telephone 2, the tip 6 B of the antenna 6 is picked up by hand, pulled out of the housing 4 through the opening 8, and used as shown in FIG. 2. Therefore, in the mobile phone 2 of the embodiment, since the antenna 6 extends in the direction away from the housing 4 on the back surface 106B side of the housing 4, it is arranged at a position away from the head of the user. To avoid adversely affecting the transmission and reception of radio waves by the user's head,
Calls can always be made in good condition.

On the other hand, when no call is made, the antenna 6
Can be pushed into the antenna housing 10 and then,
Only the head of the antenna 6 slightly protrudes from the rear surface of the housing 4. Therefore, when the mobile phone 2 is stored in a clothes pocket, a bag, or the like, the antenna 6 may be scratched around as in the related art. In addition, the problem of antenna breakage is eliminated.

Next, a second embodiment of the present invention will be described. FIG. 4 is a cross-sectional side view showing a second embodiment of the present invention, and FIG. 5 is a perspective view. In the figures, FIGS. 1 to 3
The same elements as those described above are denoted by the same reference numerals, and here, the description will be given mainly of the differences between the second embodiment and the above-described embodiment. Mobile phone 12 shown in FIGS.
The antenna 14 is formed of a flexible material having elasticity, and the entire length of the antenna 14 is the operation surface 106 of the housing 4.
A guide 16 that is longer than the distance between the housing 4 and the rear surface and engages the antenna 14 housed in the housing 4 with the antenna 14 and bends in the longitudinal direction of the housing 4 is provided in the housing 4. The guide 16 is formed in a tubular shape in the present embodiment, and has a radius of curvature sufficient to smoothly bend the antenna 14 and is approximately 90 °.
It bends and houses the antenna 14 inside. The tubular antenna housing 18 is configured to include the guide 16, and the main part extends in the longitudinal direction of the housing 4. Specifically, in the present embodiment, the antenna 14 is formed of a synthetic resin or rubber having conductivity.

When a call is made with the mobile phone 12, the tip 14 B of the antenna 14 is picked up by hand and pulled out of the housing 4. At this time, since the antenna 14 is formed of a material having elasticity, as shown in FIG. 5, the antenna 14 returns to the original straight state, and extends substantially perpendicular to the rear surface of the housing 4. Therefore, also in the mobile phone 12, the antenna 14 extends in the direction away from the housing 4 on the back side of the housing 4, so that the antenna 14 is arranged at a position away from the head of the user. It is possible to avoid a bad influence on the transmission / reception of the radio wave by the head of the user and always make a call in a good state.

On the other hand, when no call is made, the antenna 1
4 is pushed into the antenna housing 18. At this time, since the antenna 14 is formed of a flexible material, the antenna 14 is bent along the guide 16 and extends in the longitudinal direction of the housing 4, is housed in the antenna housing 18, and has only the head. Slightly protrudes from the rear surface 106 </ b> B of the housing 4.
Therefore, when the mobile phone 2 is stored in a clothes pocket, a bag, or the like, the antenna 14 does not get caught in the surroundings as in the related art, and the problem of breakage of the antenna 6 is solved. In the second embodiment, since the antenna 14 is accommodated in the housing 4 by extending along the longitudinal direction in the housing 4, the total length of the antenna 14 is shorter than that of the antenna 6 in the above embodiment. The length can be greatly increased, and the transmission and reception sensitivity can be increased to ensure a better call.

In the second embodiment, the antenna 14 is formed of a conductive synthetic resin or rubber. However, if the antenna 14 is made of a flexible material having elasticity and has conductivity, any other material may be used. Of course, it is also possible to use the material. For example, it is possible to form the antenna 14 from a material in which a bendable metal wire and a synthetic resin or rubber are extended in the extending direction of the antenna and integrated. Further, it is possible to form the antenna 14 from a material in which a band-shaped metal film and a synthetic resin or rubber are extended in the extending direction of the antenna and integrated.

[0016]

As described above, the portable telephone according to the present invention has an opening formed on the rear surface of the housing opposite to the surface on which the earpiece is provided, and can be inserted into and removed from the housing through the opening. A supported antenna, wherein the antenna extends in a direction away from the rear surface when pulled out of the housing. That is, in the mobile phone of the present invention, since the antenna extends in the direction away from the housing on the rear side of the housing, the antenna is disposed at a position away from the head of the user, and the head of the user is It is possible to avoid a bad influence on the transmission and reception of radio waves by the unit, and to always make a call in a good state. And since the antenna can be stored in the housing through the above-mentioned opening on the back, when the mobile phone is stored in a clothes pocket or a bag, as in the conventional case, the antenna does not scratch around, and Eliminates the problem of antenna damage.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional side view showing an embodiment of a mobile phone according to the present invention.

FIG. 2 is a side view showing the entire embodiment of the present invention.

FIG. 3 is a front view showing an embodiment of the present invention.

FIG. 4 is a cross-sectional side view showing a second embodiment of the present invention.

FIG. 5 is a perspective view showing a second embodiment of the present invention.

FIG. 6 is a front view showing an example of a conventional mobile phone.

FIG. 7 is a side view showing a use state of the mobile phone of FIG. 6;

[Explanation of symbols]

2 ... mobile phone, 4 ... housing, 6 ... antenna, 8 ...
... Aperture, 10 ... Antenna housing, 12 ... Mobile phone, 14 ... Antenna, 16 ... Guide, 18 ... Antenna housing, 102 ... Mobile phone, 104 ... Housing,
106 operation surface, 108 reception unit, 110 transmission unit, 112 display unit, 114 key operation unit, 116
……antenna.

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[Procedure amendment]

[Submission date] February 4, 2000 (200.2.4)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

3. The mobile phone according to claim 2, wherein said antenna is made of conductive synthetic resin or rubber.

4. The antenna according to claim 2, wherein the antenna is formed by integrating a bendable metal wire and a synthetic resin or rubber in a direction in which the antenna extends. Mobile phone.

Wherein said antenna according to claim 2, characterized in that it is formed of a material that is integrated by extending the a film strip of metal and synthetic resin or rubber in the extending direction of the antenna Mobile phone.

6. When accommodating the antenna in the housing, mobile phone according to claim 1, wherein the distal end of the antenna characterized in that it slightly projects from the rear of the housing.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction contents]

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an opening formed on the back of a housing opposite to a surface on which a receiver is provided, and an opening formed on the housing through the opening. An antenna supported so as to be able to be taken in and out, wherein the antenna extends substantially perpendicular to the back surface when pulled out of the housing, and the total length of the antenna is
The distance between the surface on the receiving section side and the back surface is substantially equal to the distance. The present invention also includes an opening formed on the rear surface of the housing opposite to the surface on which the earpiece is provided, and an antenna supported so as to be able to be inserted into and removed from the housing through the opening. , When pulled out of the housing,
The antenna extends substantially perpendicularly to the rear surface, the antenna is formed of a flexible material having elasticity, and the entire length of the antenna is longer than the interval between the surface of the housing and the rear surface of the receiver and the rear surface, A guide that engages the antenna housed in the housing with the antenna and bends in the longitudinal direction of the housing is provided in the housing, the guide is formed by a bent tube, and the guide is formed inside. The antenna is housed. That is, in the mobile phone of the present invention, since the antenna extends in the direction away from the housing on the rear side of the housing, the antenna is disposed at a position away from the head of the user, and the head of the user is It is possible to avoid a bad influence on the transmission and reception of radio waves by the unit, and to always make a call in a good state. And since the antenna can be housed in the housing through the above opening on the back, when the mobile phone is stored in a clothes pocket or a bag, the antenna does not scratch around as in the past,
Furthermore, the problem of antenna breakage is eliminated.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction contents]

[0016]

As described above, the portable telephone according to the present invention has an opening formed on the rear surface of the housing opposite to the surface on which the earpiece is provided, and can be inserted into and removed from the housing through the opening. A supported antenna, the antenna extends substantially perpendicularly to the rear surface when pulled out of the housing, and the total length of the antenna is equal to the surface of the housing on the side of the earpiece. It is characterized by being substantially equal to the distance from the back surface. The present invention also includes an opening formed on the rear surface of the housing opposite to the surface on which the earpiece is provided, and an antenna supported so as to be able to be inserted into and removed from the housing through the opening. The antenna extends substantially perpendicular to the back surface when pulled out of the housing, the antenna is formed of a flexible material having elasticity, and the entire length of the antenna is the surface of the housing on the side of the earpiece. And a guide longer than the distance between the rear surface and the antenna housed in the housing to bend in the longitudinal direction of the housing by engaging the antenna with the antenna is disposed in the housing, and the guide is bent. It is constituted by a tubular body, and houses the antenna inside. That is, in the mobile phone of the present invention, since the antenna extends in the direction away from the housing on the rear side of the housing, the antenna is disposed at a position away from the head of the user, and the head of the user is It is possible to avoid a bad influence on the transmission and reception of radio waves by the unit, and to always make a call in a good state. And since the antenna can be stored in the housing through the above-mentioned opening on the back, when the mobile phone is stored in a clothes pocket or a bag, as in the conventional case, the antenna does not scratch around, and
Eliminates the problem of antenna damage.

Continued on the front page F term (reference) 5J046 AA04 AA14 AB06 PA02 PA09 PA10 5J047 AA04 AA14 AB06 FA09 5K023 AA07 BB06 BB11 BB26 LL05 QQ02 QQ04 QQ05 5K067 AA33 AA35 BB04 EE02 KK01 KK17

Claims (9)

[Claims] An opening formed on a rear surface of the housing opposite to a surface on which the earpiece is provided, and an antenna supported so as to be able to be inserted into and removed from the housing through the opening; A mobile phone, wherein the mobile phone extends in a direction away from a back surface when pulled out of the housing. 2. The mobile phone according to claim 1, wherein the antenna extends substantially perpendicular to the back surface when pulled out of the housing. 3. The mobile phone according to claim 1, wherein a total length of the antenna is substantially equal to a distance between a surface of the housing on the side of the earpiece and the back surface. 4. The antenna is formed of a flexible material having elasticity, and the entire length of the antenna is longer than the distance between the surface on the receiver side and the back surface of the housing, and is housed in the housing. 2. The mobile phone according to claim 1, wherein a guide for engaging the antenna with the antenna and bending the antenna in a longitudinal direction of the housing is provided in the housing. 5. The mobile phone according to claim 4, wherein the guide is formed of a bent tube, and houses the antenna inside. 6. The mobile phone according to claim 4, wherein said antenna is made of conductive synthetic resin or rubber. 7. The antenna according to claim 4, wherein the antenna is formed by integrating a bendable metal wire and a synthetic resin or rubber in a direction in which the antenna extends. Mobile phone. 8. The antenna according to claim 4, wherein the antenna is formed by integrating a band-shaped metal film and a synthetic resin or rubber in a direction in which the antenna extends. Mobile phone. 9. The mobile phone according to claim 1, wherein when the antenna is housed in the housing, a tip of the antenna slightly protrudes from the rear surface of the housing.