JP2821638B2 - Portable radio - Google Patents

Portable radio

Info

Publication number
JP2821638B2
JP2821638B2 JP2028485A JP2848590A JP2821638B2 JP 2821638 B2 JP2821638 B2 JP 2821638B2 JP 2028485 A JP2028485 A JP 2028485A JP 2848590 A JP2848590 A JP 2848590A JP 2821638 B2 JP2821638 B2 JP 2821638B2
Authority
JP
Japan
Prior art keywords
wireless device
antenna
housing
device housing
portable wireless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2028485A
Other languages
Japanese (ja)
Other versions
JPH03234126A (en
Inventor
光一 常川
憲一 鹿子嶋
周二 卜部
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2028485A priority Critical patent/JP2821638B2/en
Publication of JPH03234126A publication Critical patent/JPH03234126A/en
Application granted granted Critical
Publication of JP2821638B2 publication Critical patent/JP2821638B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Support Of Aerials (AREA)
  • Transceivers (AREA)
  • Telephone Set Structure (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Details Of Aerials (AREA)

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は小型で、アンテナ性能が高く、かつ携帯性の
良い折り畳み式の携帯無線機に関するものである。Description: TECHNICAL FIELD The present invention relates to a foldable portable wireless device that is small, has high antenna performance, and has good portability.

（従来の技術） 第４図は従来の折り畳み式携帯無線機の一例を示す図
である。同図において、１は無線機筐体の一部分、２は
無線機筐体の他の部分、３は線状アンテナ、５は無線機
筐体の一部分１と他の部分２の接続部分、６は受話器、
７は表示部、８は操作部、９は送話器である。(Prior Art) FIG. 4 is a diagram showing an example of a conventional foldable portable radio. In the figure, reference numeral 1 denotes a part of the wireless device housing, 2 denotes another portion of the wireless device housing, 3 denotes a linear antenna, 5 denotes a connection portion between the part 1 and the other portion 2 of the wireless device housing, and 6 denotes a connecting portion. Handset,
Reference numeral 7 denotes a display unit, 8 denotes an operation unit, and 9 denotes a transmitter.

同図に示す携帯無線機は受話器６等に付いている無線
機筐体の一部分１が送話器９の付いている無線機筐体の
他の部分２よりも長く、無線機筐体の一部分１の頂面に
線状アンテナ３が付いている携帯無線機である。この携
帯無線機は、通話をしようとするとき、送話器９の付い
ている無線機筐体の他の部分２を開いて使う形式であ
る。また、線状アンテナ３は固定式、収納式がある。In the portable wireless device shown in the figure, a portion 1 of a wireless device housing attached to a receiver 6 or the like is longer than another portion 2 of a wireless device housing attached to a transmitter 9 and a part of the wireless device housing. 1 is a portable wireless device having a linear antenna 3 on the top surface. This portable wireless device has a format in which the other portion 2 of the wireless device housing with the transmitter 9 is opened and used when making a call. The linear antenna 3 has a fixed type and a stowable type.

第５図は従来の折り畳み式携帯無線機の別の例を示す
図である。同図の携帯無線機は、受話器６等の付いてい
る無線機筐体の一部分１と送話器９の付いている無線機
筐体の他の部分２がほぼ同じ長さのものであり、無線機
筐体の一部分１の頂面に線状アンテナ３が付いている携
帯無線機である。また、線状アンテナ３は固定式、収納
式がある。FIG. 5 is a diagram showing another example of a conventional foldable portable radio. In the portable wireless device shown in the figure, a portion 1 of a wireless device housing with a receiver 6 and the like and another portion 2 of a wireless device housing with a transmitter 9 have substantially the same length, This is a portable wireless device having a linear antenna 3 on a top surface of a part 1 of a wireless device housing. The linear antenna 3 has a fixed type and a stowable type.

（発明が解決しようとする課題） しかしながら、上記従来のいずれの携帯無線機でも、
携帯無線機を折り畳み、携帯しようとするとき、アンテ
ナ収納式では第４図（ｂ）または第５図（ｂ）のよう
に、無線機筐体の一部分１内部に図示していない収納機
構部および収納スペースを必要とするため、機械的に複
雑になり故障の原因となるとともに、内部回路部品を圧
迫し無線機の小型化を妨げることとなる。また、線状ア
ンテナ収納時はアンテナ利得が大きく劣化するため、着
信も受けることができなくなり、サービス性も大変悪く
なる。さらに、通話をしようとするとき、送話器９の付
いている無線機筐体の他の部分２を開き、かつ線状アン
テナ３も引き出す操作が必要であり、通話ときの操作性
も悪かった。一方、線状アンテナ固定式は、折り畳み、
携帯しようとするとき第４図（ｃ）または第５図（ｃ）
のように、線状アンテナが常に筐体から飛び出している
ため、２つ折りとすることにより、小型化を図ろうとす
る携帯無線機の意図をスポイルし、携帯性の大変悪いも
のとなっていた。すなわち、いずれの従来の折り畳み式
携帯無線機は、本体に受話器が付き、本体より小さいま
たは同じ大きさの送話器側部分を開く形式であり、か
つ、本体側にアンテナが付いていた。このため、アンテ
ナ収納式では、故障しやすい、無線機を小型化できな
い、アンテナ収納時は着信が受けられない、通話時の操
作性が悪い、という欠点があり、一方、線状アンテナ固
定式は、携帯性が大変悪いという欠点があった。(Problems to be solved by the invention) However, in any of the above-mentioned conventional portable radios,
When the portable wireless device is folded and carried, the storage mechanism portion (not shown) is provided inside the portion 1 of the wireless device housing as shown in FIG. 4 (b) or 5 (b) in the antenna retractable type. Since a storage space is required, it becomes mechanically complicated and causes a failure. In addition, the internal circuit parts are compressed, which hinders miniaturization of the wireless device. In addition, when the linear antenna is stored, the antenna gain is greatly deteriorated, so that it is impossible to receive an incoming call, and the serviceability is very poor. Furthermore, when attempting to make a call, it is necessary to open the other part 2 of the wireless device housing with the transmitter 9 and pull out the linear antenna 3, and the operability during the call is poor. . On the other hand, the linear antenna fixed type is folded,
4 (c) or 5 (c) when trying to carry
As described above, since the linear antenna always protrudes from the housing, by folding the antenna in two, the intention of the portable wireless device for miniaturization is spoiled, and the portability is extremely poor. That is, in each of the conventional foldable portable wireless devices, a receiver is attached to a main body, a transmitter side portion smaller or the same size is opened, and an antenna is attached to a main body side. For this reason, the antenna retractable type has the disadvantages that it is easy to break down, the radio cannot be downsized, the incoming call cannot be received when the antenna is retracted, and the operability during a call is poor. However, there is a disadvantage that portability is very poor.

本発明はこれらの欠点を解決するためのもので、つま
り従来の折り畳み式携帯無線機では小型化できない、ア
ンテナ収納時は着信が受けられない、通話時の操作性が
悪い、携帯性が大変悪いという欠点を除去し、小型で、
アンテナ性能が高く、かつ携帯性の良い折り畳み式の携
帯無線機を提供することを目的とする。The present invention is intended to solve these drawbacks, that is, the conventional foldable portable wireless device cannot be miniaturized, cannot receive a call when the antenna is stored, has poor operability during a call, and has very poor portability. Remove the disadvantage of, small,
An object of the present invention is to provide a foldable portable radio having high antenna performance and good portability.

（課題を解決するための手段） 本発明は上記目的を達成するため、互いに接続部分で
接続される２つの無線機筐体と、一方の該無線機筐体に
おける前記接続部分と反対の端部に設けられた一つまた
は複数の線状アンテナとからなり、前記接続部分で折れ
曲がって折り畳み可能な携帯無線機において、前記接続
部分から一方の前記無線機筐体の端までの長さをL1、前
記接続部分から他方の前記無線機筐体の端までの長さを
L2、前記線状アンテナの長さをLWとしたとき、L2＞L1、
かつ、LW≦L2−L1であることに特徴がある。(Means for Solving the Problems) In order to achieve the above object, the present invention provides two radio housings connected to each other at a connection portion, and one end of one radio housing opposite to the connection portion. In one or more linear antennas provided in the, in the portable wireless device bendable at the connection portion and foldable, the length from the connection portion to the end of one of the wireless device housing is L1, The length from the connection portion to the end of the other wireless device housing is
L2, when the length of the linear antenna is LW, L2> L1,
Further, it is characterized in that LW ≦ L2−L1.

（作用） 以上のような構成を有する本発明によれば、長さの異
なる大、小二つの筐体より構成される折り畳み式携帯無
線機の、小さいほうの筐体に線状アンテナを取りつけ、
折り畳み時に大きいほうの筐体に線状アンテナがかくれ
る構造とすることにより、小型で、アンテナ性能が高
く、かつ携帯性を良くしようとするものである。(Operation) According to the present invention having the above-described configuration, a linear antenna is attached to a smaller housing of a foldable portable wireless device including two large and small housings having different lengths,
By adopting a structure in which the linear antenna is covered by the larger housing when folded, it is intended to be small, have high antenna performance, and improve portability.

（実施例） 以下、本発明の実施例を図面に基づいて説明する。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

第１図は本発明の第１の実施例を示す図である。同図
の携帯無線機は固定式線状アンテナの付いた受話器側の
筐体を開く形式のものである。同図において、１は無線
機筐体の一部分、２は無線機筐体の他の部分、３は線状
アンテナ、４は無線機筐体の他の部分２に切られた溝、
５は無線機筐体の一部分１と他の部分２の接続部分、６
は受話器、７は表示部、８は操作部、９は送話器であ
る。同図に示す携帯無線機は、受話器６の付いている無
線機筐体の一部分１が送話機９等の付いている無線機筐
体の他の部分２よりも小さく、無線機筐体の一部分１の
頂面に線状アンテナ３が付いている携帯無線機である。
本実施例の携帯無線機で通話しようとするとき、受話器
６の付いている無線機筐体の一部分１を開いて使う形式
である。FIG. 1 is a diagram showing a first embodiment of the present invention. The portable wireless device shown in the figure is of a type in which the case on the receiver side with the fixed linear antenna is opened. In the figure, 1 is a part of the radio device housing, 2 is another portion of the radio device housing, 3 is a linear antenna, 4 is a groove cut into another portion 2 of the radio device housing,
5 is a connection portion between the portion 1 of the radio device housing and the other portion 2, 6
Denotes a receiver, 7 denotes a display unit, 8 denotes an operation unit, and 9 denotes a transmitter. In the portable wireless device shown in the figure, a portion 1 of a wireless device housing with a receiver 6 is smaller than another portion 2 of a wireless device housing with a transmitter 9 and the like, and a portion of the wireless device housing is provided. 1 is a portable wireless device having a linear antenna 3 on the top surface.
When a call is made with the portable wireless device of the present embodiment, a part 1 of the wireless device housing with the receiver 6 is opened and used.

本実施例の携帯無線機を折り畳み、携帯しようとする
とき、第１図（ｂ）及び（ｃ）のように、無線機筐体の
他の部分２の溝４に固定式の線状アンテナ３が収納され
る。このため、筐体内部に収納機構部および収納スペー
スを必要とせず、アンテナ部の機械的な故障の原因がな
く、内部回路部品を圧迫し無線機の小型化を妨げること
もない。また、線状アンテナを収納しないため、折り畳
み時もアンテナ受信状態が変化しないことから、アンテ
ナ利得が大きく劣化することがないので、折り畳み時も
着信を受けることができる。さらに、本実施例では、通
話をしようとするとき、受話器６の付いている無線機筐
体の一部分１を開けば線状アンテナ３も同時に出るた
め、一回の操作でよく、通話時の操作性も大変良い。さ
らに、線状アンテナ固定式でありながら、折り畳むこと
によって外部にアンテナが飛び出ないことから、携帯性
も大変良い。When the portable wireless device of this embodiment is folded and carried, as shown in FIGS. 1B and 1C, the fixed linear antenna 3 is inserted into the groove 4 of the other portion 2 of the wireless device housing. Is stored. For this reason, a storage mechanism and a storage space are not required inside the housing, there is no cause for mechanical failure of the antenna unit, and there is no hindrance to downsizing the wireless device by compressing internal circuit components. In addition, since the linear antenna is not stored, the antenna receiving state does not change even when the antenna is folded, so that the antenna gain does not greatly deteriorate. Therefore, an incoming call can be received even when the antenna is folded. Further, in this embodiment, when a call is made, if the part 1 of the wireless device housing with the receiver 6 is opened, the linear antenna 3 also comes out at the same time. The sex is also very good. Furthermore, even though the antenna is fixed to a linear antenna, the antenna does not jump out to the outside when folded, so that portability is very good.

すなわち、本実施例のような構成とすることにより、
小型で、アンテナ性能が高く、かつ携帯性のより折り畳
み式の携帯無線機が実現される。That is, by adopting the configuration as in the present embodiment,
A compact portable wireless device with high antenna performance and portability is realized.

また、無線機筐体の他の部分２には、必ずしも溝４が
切ってある必要がなく、線状アンテナ３が、携帯無線機
を折り畳んだ状態で、無線機筐体の一部分１にぶつか
り、アンテナが破損しない構造であればよい。Also, the other portion 2 of the wireless device housing does not necessarily need to have the groove 4 cut out, and the linear antenna 3 collides with the portion 1 of the wireless device housing in a state where the portable wireless device is folded, Any structure that does not damage the antenna may be used.

第２図は本発明の第２の実施例を示す図である。同図
の携帯無線機は固定式線状アンテナの付いた送話器側の
筐体を開く形式のものである。同図において、１は無線
機筐体の一部分、２は無線機筐体の他の部分、３は線状
アンテナ、４は無線機筐体の他の部分２に切られた溝、
５は無線機筐体の一部分１と他の部分２の接続部分、６
は受話器、７は表示部、８は操作部、９は送話器であ
る。同図に示す携帯無線機は、送話器９の付いている無
線機筐体の一部分１が受話器６等の付いている無線機筐
体の他の部分２よりも小さく、無線機筐体の一部分１の
底面に線状アンテナ３が付いている携帯無線機である。
つまり、本実施例の携帯無線機で通話しようとすると
き、送話器９の付いている筐体の一部分１を開いて使う
形式である。FIG. 2 is a view showing a second embodiment of the present invention. The portable wireless device shown in the figure is of a type in which a housing on a transmitter side with a fixed linear antenna is opened. In the figure, 1 is a part of the radio device housing, 2 is another portion of the radio device housing, 3 is a linear antenna, 4 is a groove cut into another portion 2 of the radio device housing,
5 is a connection portion between the portion 1 of the radio device housing and the other portion 2, 6
Denotes a receiver, 7 denotes a display unit, 8 denotes an operation unit, and 9 denotes a transmitter. In the portable wireless device shown in the figure, a portion 1 of a wireless device housing with a transmitter 9 is smaller than another portion 2 of the wireless device housing with a receiver 6, etc. This is a portable wireless device having a linear antenna 3 on the bottom surface of a portion 1.
That is, when a call is made with the portable wireless device of the present embodiment, a part 1 of the housing with the transmitter 9 is opened and used.

本実施例の携帯無線機を折り畳み、携帯しようとする
とき、第２図（ｂ）のように、無線機筐体の他の部分２
の溝４に固定式の線状アンテナ３が収納される。この場
合も全く第１の実施例と同様の効果があり、本実施例の
ような構成とすることにより、小型で、アンテナ性能が
高く、かつ携帯性の良い折り畳み式の携帯無線機が実現
される。When the portable wireless device of the present embodiment is folded and is to be carried, as shown in FIG.
The fixed linear antenna 3 is housed in the groove 4. In this case, the same effect as that of the first embodiment is obtained. By adopting the configuration as in the present embodiment, a foldable portable wireless device which is small, has high antenna performance, and has good portability is realized. You.

また、第１の実施例と同様に、無線機筐体の一部分１
にぶつかり、アンテナが破損しない構造であればよい。In addition, as in the first embodiment, a part 1
Any structure may be used as long as the antenna is not damaged.

第３図は本発明の第３の実施例を示す図である。同図
の携帯無線機はダイバーシチ受信をするため固定式線状
アンテナ２本の付いた受話器側の筐体を開く形式のもの
である。同図において、１は無線機筐体の一部分、２は
無線機筐体の他の部分、3,3′は線状アンテナ、4,4′は
無線機筐体の他の部分２に切られた溝、５は無線機筐体
の一部分１と他の部分２の接続部分、６は受話器、７は
表示部、８は操作部、９は送話器である。同図に示す携
帯無線機は、受話器６の付いている無線機筐体の一部分
１が送話器９等の付いている無線機筐体の他の部分２よ
りも小さく、無線機筐体の一部分１の頂面に線状アンテ
ナ3,3′が付いている携帯無線機である。本実施例の携
帯無線機で通話をしようとするとき、受話器６の付いて
いる無線機筐体の一部分１を開いて使う形式で、２本の
線状アンテナ3,3′は固定式であり、アンテナの数以外
は第１の実施例と同じ構造となっている。本実施例携帯
無線機を折り畳み携帯しようとする時、第３図（ｂ），
（ｃ）のように、無線機筐体の他の部分２の溝4,4′に
固定式の線状アンテナ3,3′が収納される。この場合も
全く第１の実施例と同様の効果があり、本実施例のよう
な構成とすることにより、小型で、アンテナ性能が高
く、かつ携帯性のよい折り畳み式の携帯無線機が実現さ
れる。また、アンテナの数は２本以上でもよく、さら
に、第２の実施例に示すように送話器９の付いている無
線機筐体の部分によっても全く同様の効果が得られる。FIG. 3 is a view showing a third embodiment of the present invention. The portable wireless device shown in the figure is of a type in which a receiver-side housing with two fixed linear antennas is opened for diversity reception. In the figure, reference numeral 1 denotes a part of the radio equipment housing, 2 denotes another part of the radio equipment housing, 3, 3 ′ denotes a linear antenna, and 4, 4 ′ denotes another part of the radio equipment housing. 5, a connecting portion between the part 1 and the other part 2 of the wireless device housing, 6 a receiver, 7 a display unit, 8 an operation unit, and 9 a transmitter. In the portable wireless device shown in the figure, a portion 1 of a wireless device housing with a receiver 6 is smaller than another portion 2 of a wireless device housing with a transmitter 9 and the like, and This is a portable wireless device having a linear antenna 3, 3 'on the top surface of a part 1. When a call is to be made with the portable wireless device of the present embodiment, a part 1 of the wireless device housing with the receiver 6 is opened and used, and the two linear antennas 3, 3 'are fixed. The structure is the same as that of the first embodiment except for the number of antennas. When the portable wireless device of the present embodiment is to be folded and carried, FIG.
As shown in (c), the fixed linear antennas 3, 3 'are housed in the grooves 4, 4' of the other part 2 of the wireless device housing. In this case, the same effect as that of the first embodiment is obtained. By adopting the configuration of the present embodiment, a foldable portable wireless device which is small, has high antenna performance, and has good portability is realized. You. Further, the number of antennas may be two or more, and the same effect can be obtained by the portion of the wireless device housing with the transmitter 9 as shown in the second embodiment.

また、第１の実施例と同様に、無線機筐体の他の部分
２には、必ずしも溝が切ってある必要がなく、線状アン
テナが、携帯無線機を折り畳んだ状態で、無線機筐体の
一部分１にぶつかり、アンテナが破損しない構造であれ
ばよい。Further, similarly to the first embodiment, the other portion 2 of the wireless device housing does not necessarily have to be grooved, and the linear antenna is provided in a state where the portable wireless device is folded. Any structure that does not cause damage to the antenna by hitting part 1 of the body may be used.

（発明の効果） 以上説明したように、本発明によれば、大、小２つの
筐体部分より構成される折り畳み式携帯無線機の、小さ
いほうの筐体に固定式線状アンテナを取りつけ、折り畳
み時に大きいほうの筐体に線状アンテンがかくれる構造
とするものであり、小型であり、折り畳み時も着信が受
けられ、通話時の操作性が高く、携帯性が大変よい折り
畳み式の携帯無線機を提供することができる。(Effects of the Invention) As described above, according to the present invention, a fixed linear antenna is attached to a smaller housing of a foldable portable wireless device composed of two large and small housing parts, Foldable mobile phone that has a structure in which the linear antenna is hidden in the larger case when folded, is small, can receive calls even when folded, has high operability during calls, and has excellent portability A radio can be provided.

【図面の簡単な説明】[Brief description of the drawings]

第１図は本発明の第１の実施例を示す図、 第２図は本発明の第２の実施例を示す図、 第３図は本発明の第３の実施例を示す図、 第４図は従来の折り畳み式携帯無線機の一例を示す図、 第５図は従来の折り畳み式携帯無線機の別の例を示す図
である。 1:無線機筐体の一部分、 2:無線機筐体の他の部分、 3,3′：線状アンテナ、 4,4′：溝、 5:接続部分、 6:受話器、 7:表示部、 8:操作部、 9:送話器。FIG. 1 is a view showing a first embodiment of the present invention, FIG. 2 is a view showing a second embodiment of the present invention, FIG. 3 is a view showing a third embodiment of the present invention, FIG. The figure shows an example of a conventional foldable portable radio, and FIG. 5 is a diagram showing another example of a conventional foldable portable radio. 1: a part of the radio case, 2: another part of the radio case, 3,3 ': linear antenna, 4,4': groove, 5: connection part, 6: handset, 7: display, 8: operation unit, 9: transmitter.

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭63−86929（ＪＰ，Ａ) 特開 昭63−237648（ＪＰ，Ａ) 実開 昭59−84935（ＪＰ，Ｕ) 実開 昭64−29943（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) H04B 1/034 H04B 1/38 H04M 1/02 H01Q 1/24──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-86929 (JP, A) JP-A-63-237648 (JP, A) Fully open 1984-84935 (JP, U) Really open Showa 64- 29943 (JP, U) (58) Fields investigated (Int. Cl. 6 , DB name) H04B 1/034 H04B 1/38 H04M 1/02 H01Q 1/24

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】互いに接続部分で接続される２つの無線機
筐体と、一方の該無線機筐体における前記接続部分と反
対の端部に設けられた一つまたは複数の線状アンテナと
からなり、前記接続部分で折れ曲がって折り畳み可能な
携帯無線機において、 前記接続部分から一方の前記無線機筐体の端までの長さ
をL1、前記接続部分から他方の前記無線機筐体の端まで
の長さをL2、前記線状アンテナの長さをLWとしたとき、
L2＞L1、かつ、LW≦L2−L1であることを特徴とする携帯
無線機。1. A wireless communication system comprising: two radio housings connected to each other at a connection portion; and one or a plurality of linear antennas provided at an end of one radio housing opposite to the connection portion. In the portable wireless device that is bendable and foldable at the connection portion, the length from the connection portion to the end of one of the wireless device housings is L1, from the connection portion to the end of the other wireless device housing. Where L2 is the length of the linear antenna and LW is the length of the linear antenna,
A portable wireless device, wherein L2> L1 and LW ≦ L2-L1.
JP2028485A 1990-02-09 1990-02-09 Portable radio Expired - Fee Related JP2821638B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2028485A JP2821638B2 (en) 1990-02-09 1990-02-09 Portable radio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2028485A JP2821638B2 (en) 1990-02-09 1990-02-09 Portable radio

Publications (2)

Publication Number Publication Date
JPH03234126A JPH03234126A (en) 1991-10-18
JP2821638B2 true JP2821638B2 (en) 1998-11-05

Family

ID=12249968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2028485A Expired - Fee Related JP2821638B2 (en) 1990-02-09 1990-02-09 Portable radio

Country Status (1)

Country Link
JP (1) JP2821638B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0661910A (en) * 1992-04-21 1994-03-04 Nec Corp Portable telephony5 equipment
JP2005323136A (en) * 2004-05-10 2005-11-17 Mitsumi Electric Co Ltd Mobile terminal device

Also Published As

Publication number Publication date
JPH03234126A (en) 1991-10-18

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