JP2001119221A - Antenna holding device and portable information device provided with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an antenna holding device in which the end of the main body of an antenna vibrates due to vibrations in an antenna guide but abnormal noise (non-adjusted sound) is not generated. SOLUTION: This device is provided with the antenna for transmission and reception which is accommodated in the main body and a cylindrical antenna guide member 36 guiding the main body of the antenna. A clearance eliminating means 34 for eliminating the clearance between the end of the main body of the antenna and the member 36 at a time when the antenna is guided and housed in the main body is formed by the member 36. Even though there are vibrations due to an incoming call, vibrations are not generated at the end of the main body of the antenna, so the structure has an effect so as not to generate the abnormal noise (non-adjusted sound).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna holding device for holding a transmitting / receiving antenna which is assembled from the outside of a housing of an electronic device such as a wireless device or a portable telephone.

[0002]

2. Description of the Related Art Conventionally, an antenna holding device for eliminating a clearance has not been provided for accommodating a transmitting / receiving antenna, which is assembled from the outside of a housing of an electronic device such as a wireless device or a portable telephone, in a main body.

[0003]

Therefore, when an incoming call is made by vibration while the transmitting / receiving antenna is housed, there is a clearance (gap) between the antenna stopper and the antenna guide. There is a problem that the tip vibrates in the antenna guide to generate abnormal noise (irregular noise), and even if the bending vibration function is provided, the abnormal noise (irregular noise) is a problem.

[0004]

Means for Solving the Problems Claim 1 of the present invention
The described invention includes a transmitting / receiving antenna that can be housed in the main body, and a tubular antenna guide member that guides the main body housing side of the transmitting / receiving antenna, and the transmitting / receiving antenna is guided and housed in the main body housing side. When the antenna holding device is formed, a clearance eliminating means for eliminating a clearance between the transmitting / receiving antenna and the antenna guide member is formed by the antenna guide member. When an incoming call is made by vibration while the device is accommodated, abnormal sounds (irregular sounds) can be prevented from being generated.

According to a second aspect of the present invention, there is provided the antenna holding device according to the first aspect, wherein the clearance eliminating means is formed by deforming the antenna guide member. It is possible to eliminate the need to use a special component for forming the clearance eliminating means.

According to a third aspect of the present invention, there is provided the antenna holding device according to the first aspect, wherein a guide portion is formed at a clearance elimination start portion of the clearance elimination means. When the transmitting / receiving antenna is housed in the main body, the leading end of the transmitting / receiving antenna can be guided to the clearance eliminating means without being caught.

According to a fourth aspect of the present invention, there is provided the antenna holding device as set forth in the first aspect, wherein a sealing portion is formed at a tip of the antenna guide member on the main body housing side. The shape of the clearance eliminating means can be stably maintained by the sealing portion.

According to a fifth aspect of the present invention, there is provided the antenna holding device according to the first aspect, wherein the antenna guide member is formed of a transparent material.
If it is formed of an antenna guide member provided with a sealing portion and a transparent member, it is possible to determine whether or not the tip of the transmitting and receiving antenna is statically pressured by the antenna guide by the clearance eliminating means by visually observing the inside from the outside.

According to a sixth aspect of the present invention, there is provided a portable information device including the antenna holding device according to the first to fifth aspects. Has a function of vibrating the device by a vibration motor at the time of an incoming call and has a function of notifying the user of an incoming call by this vibration, so the transmitting and receiving antenna vibrates by the vibration motor at the time of the incoming call, If it is provided, generation of abnormal noise (irregular sound) can be prevented.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a side sectional view of a portable radio telephone which is a kind of radio equipment having the configuration of the antenna holding device according to the present invention. In FIG. 1, a portable radiotelephone includes a transmitting / receiving antenna 1 for transmitting or receiving a high-frequency signal.
Is provided with a main body 2 so that the main body 2 is accommodated between the cover 4 and the case 5 constituting the housing 3. FIG. 1 shows a state of being housed in the housing 3.

In the housing 3, a receiving unit 9 for outputting voice, a key sheet 7 as input means for inputting characters, symbols, numbers, etc., a liquid crystal display for displaying the input characters, symbols, numbers, etc. 8. A transmitter 10 and the like are housed together with a printed circuit board (not shown). A battery 6 for supplying power to the portable wireless telephone is detachably provided on the case 5 side of the housing 3.

FIG. 2 shows only a portion related to the transmitting / receiving antenna in the embodiment of the present invention of the portable radio telephone shown in FIG. In FIG. 2, the configuration related to the transmitting / receiving antenna includes an antenna top 11, an antenna holder 1 for holding the antenna in the above-described housing.
2, an antenna sleeve 13 for functioning as an antenna when housed, an antenna guide 15 for guiding and housing the antenna body, an antenna stopper 16 for preventing the escape of the antenna when the antenna is extended and functioning as an antenna when extended, A spring 17 that is assembled to the antenna holder 12 and electrically connected to a land provided on a printed circuit board (not shown) and has a contact at the tip, and eliminates a clearance (gap) between the tip of the antenna body and the antenna guide. The clearance eliminating means 18 is shown.

The clearance eliminating means 18 is formed so that the vicinity of the rear end of the antenna guide 15 is depressed inward, and a plug 19 for closing the rear end of the antenna guide 15 is provided at the front end. In the clearance eliminating means 18, the plug 19 is formed by injection molding while deforming the cylindrical antenna guide 15 formed by extrusion molding inward.

Therefore, since the start portion can be formed in a gentle arc, the operation can be smoothly performed, for example, when the antenna is housed in the main body side, it can be easily guided into the clearance eliminating means. Also,
Since the clearance eliminating means deformed inward and dented is formed near the sealing portion, its form is hardly deformed even when an external force or the like is applied.

In the present embodiment, the antenna guide
Since the transmission / reception antenna 15 is formed of a transparent material, the transmission / reception antenna is statically pressured by the clearance eliminating means, that is, the state of FIG. 2 can be seen from the outside, so that it can be easily determined whether the clearance is eliminated. According to the component inspection method, the inspection can be performed only by inserting and transmitting the transmitting / receiving antenna into the antenna guide without measuring the dimensions.

Next, the operation of holding the transmitting / receiving antenna 1 will be described with reference to FIGS. FIG. 3 is a cross-sectional view illustrating the antenna holding device according to the embodiment of the present invention, and FIG. 4A is a partial cross-sectional view illustrating a state separated from the antenna holding device according to the embodiment of the present invention.
(B) is a sectional view of the antenna guide 43 as seen from the line A.

FIG. 4A shows a clearance eliminating means 42 provided inside the rear end of the antenna guide 43, and a guide portion for facilitating the accommodation of the clearance eliminating means 42 on the antenna body side. 44 is provided and the antenna stopper 41 is placed away from the clearance eliminating means 42. At this stage, it is understood that there is a clearance (gap) between the antenna stopper 41 and the antenna guide 43. Is done.

As shown in FIG. 3, the antenna stopper 33 is passed through the guide portion 35 of the clearance eliminating means 34 and is accommodated by further accommodating the antenna stopper 33 from the state shown in FIG. The clearance between the antenna guide 36 and the antenna guide 36 has been eliminated, so that even if there is an incoming call due to vibration, vibration does not occur at the tip of the main body of the antenna, so that abnormal noise (irregular sound) does not occur. become.

As described above, the clearance is conventionally cantilevered because the clearance is present between the antenna stopper and the antenna guide when the antenna is housed. By providing the clearance eliminating means as shown in the figure, the state becomes a double-ended state and the rigidity can be improved, so that the vibration near the center of the antenna is reduced.

In FIG. 3, the antenna element core 32 forming the antenna main body is covered with a resin cover 31 and an antenna stopper made of a conductive metal.
Connected to 33.

[0022]

As described above, according to the first aspect of the present invention, there is provided a transmitting / receiving antenna that can be accommodated in a main body, and a cylindrical antenna guide member that guides the main body of the transmitting / receiving antenna. When the transmitting and receiving antenna is guided and accommodated in the main body housing side, a clearance eliminating means for eliminating a clearance between the transmitting and receiving antenna and the antenna guide member is formed by the antenna guide member. This is an antenna holding device characterized by the effect that abnormal sounds (irregular sounds) can be prevented from occurring when an incoming call is made by vibration while a transmitting / receiving antenna is housed.

The invention according to claim 2 is the antenna holding device according to claim 1, wherein the clearance eliminating means is formed by deforming the antenna guide member. There is an effect that it is not necessary to use a special part for forming the clearance eliminating means.

According to a third aspect of the present invention, there is provided the antenna holding device according to the first aspect, wherein a guide portion is formed at a clearance elimination start portion of the clearance elimination means. When the transmitting / receiving antenna is housed in the main body, there is an effect that the tip of the transmitting / receiving antenna can be guided to the clearance eliminating means without being caught.

According to a fourth aspect of the present invention, there is provided the antenna holding device as set forth in the first aspect, wherein a sealing portion is formed at an end of the antenna guide member on the main body housing side. In addition, there is an effect that the shape of the clearance eliminating means can be stably maintained by the sealing portion.

According to a fifth aspect of the present invention, there is provided the antenna holding device according to the first aspect, wherein the antenna guide member is formed of a transparent material.
If it is formed of an antenna guide member provided with a sealing portion and a transparent member, it can be determined by the clearance eliminating means whether or not the tip of the transmitting / receiving antenna is statically pressured by the antenna guide by visually observing the inside from the outside. Has an effect.

According to a sixth aspect of the present invention, there is provided a portable information device including the antenna holding device according to the first to fifth aspects. Has a function of vibrating the device by a vibration motor at the time of an incoming call and has a function of notifying the user of an incoming call by this vibration, so the transmitting and receiving antenna vibrates by the vibration motor at the time of the incoming call, If it is provided, there is an effect that generation of abnormal noise (irregular sound) can be prevented.

[Brief description of the drawings]

FIG. 1 is a side cross-sectional view of a portable wireless telephone having a configuration of an antenna holding device according to an embodiment of the present invention;

FIG. 2 is a diagram showing only a portion related to a transmitting / receiving antenna according to an embodiment of the present invention of a portable wireless telephone,

FIG. 3 is a sectional view showing the antenna holding device according to the embodiment of the present invention;

4A is a partial cross-sectional view showing a state separated from the antenna holding device according to the embodiment of the present invention, and FIG. 4B is a cross-sectional view of the antenna guide 43 as viewed from the line A.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Transmission / reception antenna 2 Main body part 3 Case 4 Cover 5 Case 6 Battery 7 Key sheet 8 Display part 9 Handset 10 Transmitter 11 Antenna top 12 Antenna holder 13 Antenna sleeve 15, 36, 43 Antenna guide 16, 33, 43 Antenna Stopper 17 Spring 18, 34, 42 Clearance eliminating means 19 Plug 31 Resin cover 32 Antenna element core wire 35, 44 Guide

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yasushi Osato 4-3-1 Tsunashima Higashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Inside Matsushita Communication Industrial Co., Ltd. (72) Toshiyasu Kitamura Toshiyasu Kitamura Toshiyasu Tsunashima, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture No.3-1 Matsushita Communication Industrial Co., Ltd. (72) Inventor Teruo Nanki 4-3-1 Tsunashimahigashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Within Matsushita Communication Industrial Co., Ltd. (72) Inventor Kozo Aoto Ota-ku, Tokyo Minami-Yukiya 3-chome No. 20-11 Nisshin Parts Co., Ltd. F-term (reference) 5J046 AA01 AA13 AB06 DA03 JA03 JA04 JA13 5J047 AA01 AA13 AB06 FA06 FA09 FD01 5K023 AA07 BB02 BB11 BB27 DD06 LL05 PP02 QQ05 RR08

Claims (6)

[Claims] 1. A transmitting / receiving antenna that can be housed in a main body, and a cylindrical antenna guide member that guides the main body housing side of the transmitting / receiving antenna, wherein the transmitting / receiving antenna is guided and housed in a main body housing side. An antenna holding device wherein a clearance eliminating means for eliminating a clearance between the transmitting / receiving antenna and the antenna guide member is formed by the antenna guide member. 2. The antenna holding device according to claim 1, wherein said clearance eliminating means is formed by deforming said antenna guide member. 3. The antenna holding device according to claim 1, wherein a guide portion is formed at a clearance elimination start portion of the clearance elimination means. 4. The antenna holding device according to claim 1, wherein a sealing portion is formed at a tip of the antenna guide member on the main body housing side. 5. The antenna holding device according to claim 1, wherein said antenna guide member is formed of a transparent material. 6. A portable information device comprising the antenna holding device according to claim 1.