JPH09247031A - Portable wireless devices - Google Patents
Portable wireless devicesInfo
- Publication number
- JPH09247031A JPH09247031A JP8047148A JP4714896A JPH09247031A JP H09247031 A JPH09247031 A JP H09247031A JP 8047148 A JP8047148 A JP 8047148A JP 4714896 A JP4714896 A JP 4714896A JP H09247031 A JPH09247031 A JP H09247031A
- Authority
- JP
- Japan
- Prior art keywords
- portable wireless
- wireless device
- antenna
- electromagnetic waves
- directional
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
(57)【要約】
【課題】 電磁波の輻射方向が人体に向かないように、
かつ電磁波の輻射方向が障害物がない方向に向くように
携帯用無線装置本体の方向を決定しなければばらない。
【解決手段】 指向性アンテナ１，２を、各々互いに異
なる方向に電磁波を輻射するように設け、また、指向性
アンテナ１，２に対する給電を制御する給電選択操作部
３を設けて、装置の設置方向を変えることなく電磁波の
輻射方向を制御する。
(57) [Abstract] [Problem] To prevent the radiation direction of electromagnetic waves from facing the human body,
In addition, the direction of the portable wireless device main body must be determined so that the radiation direction of the electromagnetic waves is directed to the direction without obstacles. SOLUTION: The directional antennas 1 and 2 are provided so as to radiate electromagnetic waves in mutually different directions, and a power feeding selection operation unit 3 for controlling power feeding to the directional antennas 1 and 2 is provided to install the apparatus. Controls the radiation direction of electromagnetic waves without changing the direction.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、携帯用無線装置に
関し、特に、送受話器部とアンテナとを同一筐体に有す
る携帯用無線装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable wireless device, and more particularly to a portable wireless device having a handset unit and an antenna in the same housing.
【０００２】[0002]
【従来の技術】従来より、携帯用無線装置においては、
アンテナから輻射される電磁波により人体が受ける影響
を少なくするために、指向性アンテナが用いられ、使用
時に人体と反対方向にのみ電磁波が輻射される構成のも
のが考えられている。2. Description of the Related Art Conventionally, in a portable wireless device,
In order to reduce the influence of the electromagnetic wave radiated from the antenna on the human body, a directional antenna is used, and a configuration is considered in which the electromagnetic wave is radiated only in the direction opposite to the human body during use.
【０００３】図４は、従来の携帯用無線装置の一構成例
を示す図である。FIG. 4 is a diagram showing a configuration example of a conventional portable radio apparatus.
【０００４】本従来例は図４に示すように、本体２０に
指向性アンテナ２１が取り付けられ、図中矢印Ｆ方向に
のみ電磁波が輻射される構成となっている（特開平５−
１８３３２０号公報参照）。As shown in FIG. 4, this conventional example has a structure in which a directional antenna 21 is attached to a main body 20 so that electromagnetic waves are radiated only in a direction of an arrow F in the figure (Japanese Patent Laid-Open No. Hei 5-
183320).
【０００５】[0005]
【発明が解決しようとする課題】近年、携帯用無線装置
は、通話の手段としてだけでなく、ファクシミリやモデ
ム通信等のデータ伝送の手段としても使用されることが
あり、その際、他の付属装置と接続される必要があるた
め、操作面すなわち通話時に人体に向く面を上にして机
等の上に置かれることが多い。また、通話の手段として
使用される場合においても、マイクロホン付きイヤホン
ジャックやマイクロホン付きヘッドセットが使用され
て、通常の通話における使用状態とは異なる方向に向け
られて使用される場合もある。In recent years, a portable wireless device is sometimes used not only as a means for making a call but also as a means for transmitting data such as facsimile or modem communication, in which case other attached devices are used. Since it needs to be connected to a device, it is often placed on a desk or the like with the operation surface, that is, the surface facing the human body during a call, facing upward. In addition, even when used as a means for making a call, an earphone jack with a microphone or a headset with a microphone may be used and may be used in a direction different from the state of use in a normal call.
【０００６】ところで、上述した従来の携帯用無線装置
においては、電磁波が一方向にしか輻射されない構成と
なっているため、電磁波が輻射される方向に障害物があ
ると電磁波が有効に伝搬されない虞れがある。By the way, in the above-mentioned conventional portable radio apparatus, since the electromagnetic wave is radiated in only one direction, if there is an obstacle in the radiating direction of the electromagnetic wave, the electromagnetic wave may not be effectively propagated. There is
【０００７】そのため、机等の上に置かれたり、通常の
通話における使用状態とは異なる方向に向けられたりし
て使用される場合は、電磁波の輻射方向が人体に向かな
いように、かつ電磁波の輻射方向が障害物がない方向に
向くように携帯用無線装置本体の方向を決定しなければ
ばらないという問題点がある。Therefore, when it is placed on a desk or the like, or when it is used in a direction different from the state in which it is used in a normal telephone call, the radiation direction of the electromagnetic wave should not be directed toward the human body and the electromagnetic wave should not be directed. However, there is a problem in that the direction of the portable wireless device body must be determined so that the radiation direction is directed toward the direction without obstacles.
【０００８】本発明は、上述したような従来の技術が有
する問題点に鑑みてなされたものであって、設置方向を
変えることなく電磁波の輻射方向を変えることができる
携帯用無線装置を提供することを目的とする。The present invention has been made in view of the problems of the above-described conventional techniques, and provides a portable radio apparatus capable of changing the radiation direction of electromagnetic waves without changing the installation direction. The purpose is to
【０００９】[0009]
【課題を解決するための手段】上記目的を達成するため
に本発明は、通話が行われる送受話部と、外部との電波
のやりとりを行う指向性アンテナとを有する携帯用無線
装置において、前記指向性アンテナは、各々が互いに異
なる方向に電磁波を輻射するように複数個設けられ、前
記複数の指向性アンテナのそれぞれに対する給電を制御
する給電選択操作部を有することを特徴とする。In order to achieve the above-mentioned object, the present invention provides a portable radio apparatus having a transmitter / receiver section for making a call and a directional antenna for exchanging radio waves with the outside. The directional antenna is characterized in that a plurality of directional antennas are provided so as to radiate electromagnetic waves in mutually different directions, and that the directional antenna has a power feeding selection operation unit that controls power feeding to each of the plurality of directional antennas.
【００１０】また、前記複数の指向性アンテナのうち１
つは、前記送受話部が設けられた面に電磁波が輻射され
るように設けられていることを特徴とする。Further, one of the plurality of directional antennas
One is characterized in that the surface provided with the transmitter / receiver section is provided so that electromagnetic waves are radiated.
【００１１】また、前記複数の指向性アンテナのうち１
つは、前記送受話部が設けられた面とは反対方向に電磁
波が輻射されるように設けられていることを特徴とす
る。Also, one of the plurality of directional antennas
The second feature is that the electromagnetic wave is radiated in a direction opposite to the surface on which the transmitter / receiver section is provided.
【００１２】また、前記複数の指向性アンテナのうち１
つは、前記送受話部が設けられた面に対して垂直方向に
電磁波が輻射されるように設けられていることを特徴と
する。Also, one of the plurality of directional antennas
The second feature is that the electromagnetic wave is radiated in a direction perpendicular to the surface on which the transmitter / receiver section is provided.
【００１３】また、前記指向性アンテナは、逆Ｆ型アン
テナであることを特徴とする。Further, the directional antenna is an inverted F type antenna.
【００１４】また、前記指向性アンテナは、マイクロス
トリップアンテナであることを特徴とする。Further, the directional antenna is a microstrip antenna.
【００１５】また、前記指向性アンテナは、コーナーリ
フレクタアンテナであることを特徴とする。Further, the directional antenna is a corner reflector antenna.
【００１６】（作用）上記のように構成された本発明に
おいては、指向性アンテナが、各々互いに異なる方向に
電磁波を輻射するように複数個設けられており、各々の
指向性アンテナに対する給電が給電選択操作部において
制御されるので、装置の設置方向を変えることなく電磁
波の輻射方向が制御される。(Operation) In the present invention configured as described above, a plurality of directional antennas are provided so as to radiate electromagnetic waves in mutually different directions, and power is supplied to each directional antenna. Since it is controlled by the selection operation unit, the radiation direction of electromagnetic waves can be controlled without changing the installation direction of the device.
【００１７】[0017]
【発明の実施の形態】以下に、本発明の実施の形態につ
いて図面を参照して説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.
【００１８】（第１の実施の形態）図１は、本発明の携
帯用無線装置の第１の実施の形態を示す図である。(First Embodiment) FIG. 1 is a diagram showing a first embodiment of a portable radio apparatus of the present invention.
【００１９】本形態は図１に示すように、通話が行われ
る送受話部４が設けられた面の方向Ｂに電磁波を輻射す
る逆Ｆ形アンテナやマイクロストリップアンテナ等から
なる指向性アンテナ２と、送受話部４が設けられた面と
反対方向Ａに電磁波を輻射する逆Ｆ形アンテナやマイク
ロストリップアンテナ等からなる指向性アンテナ１と、
指向性アンテナ１，２への給電を制御する給電選択操作
部３とから構成されている。In this embodiment, as shown in FIG. 1, a directional antenna 2 including an inverted F-shaped antenna or a microstrip antenna that radiates an electromagnetic wave in a direction B of a surface provided with a transmitter / receiver unit 4 is used. A directional antenna 1 including an inverted F-shaped antenna or a microstrip antenna that radiates electromagnetic waves in a direction A opposite to the surface on which the transmitter / receiver unit 4 is provided;
The directional antennas 1 and 2 are configured to include a power feeding selection operation unit 3 that controls power feeding.
【００２０】図２は、図１に示した給電選択操作部３及
び指向性アンテナ１，２の動作を説明するための図であ
る。FIG. 2 is a diagram for explaining the operation of the power feeding selection operation unit 3 and the directional antennas 1 and 2 shown in FIG.
【００２１】図２に示すように、指向性アンテナ１，２
は、給電選択操作部３を介して信号の出力及び入力を制
御する無線部５と接続されている。As shown in FIG. 2, directional antennas 1 and 2 are provided.
Is connected to the wireless unit 5 that controls output and input of signals via the power supply selection operation unit 3.
【００２２】図１及び図２に示した携帯用無線装置にお
いては、給電選択操作部３において指向性アンテナ１の
みに給電を行うことが選択されると、無線部５から出力
された信号は指向性アンテナ１から電磁波によって輻射
され、指向性アンテナ２から電磁波は輻射されない。一
方、給電選択操作部３において指向性アンテナ２のみに
給電を行うことが選択されると、無線部５から出力され
た信号は指向性アンテナ２から電磁波によって輻射さ
れ、指向性アンテナ１から電磁波は輻射されない。ま
た、給電選択操作部３において指向性アンテナ１及び指
向性アンテナ２の両方のアンテナに給電を行うことが選
択されると、無線部５から出力された信号は指向性アン
テナ１及び指向性アンテナ２から電磁波によって輻射さ
れる。In the portable radio apparatus shown in FIGS. 1 and 2, when the power feeding selection operation section 3 selects to feed only the directional antenna 1, the signal output from the radio section 5 is directed. The directional antenna 2 radiates electromagnetic waves, and the directional antenna 2 does not radiate electromagnetic waves. On the other hand, when the power feeding selection operation unit 3 selects to feed power only to the directional antenna 2, the signal output from the wireless unit 5 is radiated by the electromagnetic wave from the directional antenna 2, and the electromagnetic wave from the directional antenna 1 changes. Not radiated. When the power feeding selection operation unit 3 selects to feed power to both the directional antenna 1 and the directional antenna 2, the signal output from the wireless unit 5 is directional antenna 1 and directional antenna 2 Radiated by electromagnetic waves from.
【００２３】なお、給電選択操作部３においては、使用
者によって電磁波の輻射方向が容易に設定されるような
構造とし、また、指向性アンテナにおいては、電磁波が
互いに異なる方向に輻射されるように設置すればよい
が、経済性及び操作性を考慮すると、２個もしくは３個
が適当と考えられる。The power supply selection operation unit 3 has a structure in which the radiation direction of electromagnetic waves can be easily set by the user, and in the directional antenna, the electromagnetic waves are radiated in different directions. It may be installed, but considering economic efficiency and operability, two or three are considered to be appropriate.
【００２４】以下に、上述した携帯用無線装置の具体的
な設置例について説明する。A specific installation example of the above-mentioned portable wireless device will be described below.
【００２５】携帯用無線装置を頭部に当てて使用する場
合は、頭部が送受話部４に当たるため、給電選択操作部
３によって指向性アンテナ１のみに給電が行われるよう
に選択すれば、頭部とは逆方向の図中Ａ方向のみに電磁
波が輻射され、電磁波による人体への影響が軽減され
る。When the portable radio device is used by touching the head, the head hits the transmitter / receiver unit 4, so if the power feeding selection operation unit 3 is selected to feed power only to the directional antenna 1, Electromagnetic waves are radiated only in the direction A in the figure, which is the opposite direction to the head, and the influence of electromagnetic waves on the human body is reduced.
【００２６】また、ファクシミリやモデム通信等のデー
タ伝送に携帯用無線装置を使用する場合は、送受話部４
の面を上にして机等の上に置いて使用するのが一般的で
ある。この場合、図中Ａ方向には机等の障害物があるた
め、給電選択操作部３によって指向性アンテナ２のみに
給電が行われるように選択すれば、机等の障害物とは反
対方向の図中Ｂ方向のみに電磁波が輻射され、机等によ
る電波障害を受けることが少なく効率の良い電波伝搬が
行われる。When the portable wireless device is used for data transmission such as facsimile or modem communication, the handset 4
It is generally used by placing it on a desk or the like with the side facing up. In this case, there is an obstacle such as a desk in the direction A in the figure. Therefore, if the power feeding selection operation unit 3 is selected so that power is supplied only to the directional antenna 2, the obstacle in the opposite direction to the obstacle such as the desk is detected. Electromagnetic waves are radiated only in the B direction in the figure, and radio waves are less likely to be disturbed by a desk or the like, and efficient radio wave propagation is performed.
【００２７】さらに、給電選択操作部３によって指向性
アンテナ１及び指向性アンテナ２の両方のアンテナに給
電が行われるように選択すれば、図中Ａ方向及びＢ方向
に電磁波が輻射される。ここで、指向性アンテナ１，２
のビーム角の設定によっては、指向性アンテナ１，２の
２本の指向性アンテナから電磁波を輻射した場合、無指
向性アンテナから電磁波を輻射した場合と同じ水平面内
輻射パターンを得ることも可能である。Further, if the power feeding selection operation unit 3 is selected to feed power to both the directional antenna 1 and the directional antenna 2, electromagnetic waves are radiated in the directions A and B in the figure. Here, the directional antennas 1, 2
Depending on the setting of the beam angle of, it is possible to obtain the same radiation pattern in the horizontal plane as when the electromagnetic waves are radiated from the two directional antennas 1 and 2 and when the electromagnetic waves are radiated from the omnidirectional antenna. is there.
【００２８】（第２の実施の形態）図３は、本発明の携
帯用無線装置の第２の実施の形態を示す図である。(Second Embodiment) FIG. 3 is a diagram showing a second embodiment of the portable radio apparatus of the present invention.
【００２９】本形態は図２に示すように、通話が行われ
る送受話部１４が設けられた面の方向Ｄに電磁波を輻射
する逆Ｆ形アンテナやマイクロストリップアンテナ等か
らなる指向性アンテナ１２と、送受話部１４が設けられ
た面と反対方向Ｃに電磁波を輻射する逆Ｆ形アンテナや
マイクロストリップアンテナ等からなる指向性アンテナ
１１と、送受話部１４が設けられた面に対して垂直に上
方向Ｅに電磁波を輻射する指向性アンテナ１６と、指向
性アンテナ１１，１２，１６への給電を制御する回転式
スイッチからなる給電選択操作部１３とから構成されて
いる。なお、指向性アンテナ１６においては、基地局の
アンテナに対して電磁波を照射する際に使い勝手を良く
するために、ビーム角が鋭いものが適当であり、コーナ
リフレクタアンテナ等が考えられる。また、給電選択操
作部１３においては、回転式スイッチに限られず、ボタ
ン型スイッチ等の電磁波の輻射方向が容易に変えられ、
かつ電磁波の輻射方向を容易に確認できるものであれば
よい。In this embodiment, as shown in FIG. 2, a directional antenna 12 composed of an inverted F-shaped antenna or a microstrip antenna which radiates electromagnetic waves in the direction D of the surface on which the transmitting / receiving unit 14 for communication is provided. , A directional antenna 11 including an inverted F-shaped antenna or a microstrip antenna that radiates electromagnetic waves in a direction C opposite to the surface on which the transmitter / receiver unit 14 is provided, and perpendicular to the surface on which the transmitter / receiver unit 14 is provided. It is composed of a directional antenna 16 that radiates an electromagnetic wave in the upward direction E, and a power feed selection operation unit 13 including a rotary switch that controls power feed to the directional antennas 11, 12, 16. The directional antenna 16 preferably has a sharp beam angle in order to improve the usability when irradiating an electromagnetic wave to the antenna of the base station, and a corner reflector antenna or the like is conceivable. Further, in the power feeding selection operation unit 13, the radiation direction of electromagnetic waves such as a button switch is not limited to a rotary switch, and the radiation direction can be easily changed.
In addition, it is only necessary that the radiation direction of the electromagnetic wave can be easily confirmed.
【００３０】図３に示した携帯用無線装置においては、
使用者の手の上に置かれた状態でマイクロホン付きイヤ
ホンジャックやマイクロホン付きヘッドセットを使用し
ながら通話が行われる場合や、使用者の手に持たれた状
態でデータ伝送が行われる場合に有効である。In the portable radio device shown in FIG. 3,
Effective when making a call while using an earphone jack with a microphone or a headset with a microphone placed on the user's hand, or when data transmission is performed with the user's hand. Is.
【００３１】その場合、給電選択操作部１３によって指
向性アンテナ１６のみに給電が行われるように選択すれ
ば、図中Ｅ方向のみに電磁波が輻射され、効率の良い電
波伝搬が行われる。In this case, if the power feeding selection operation unit 13 is selected to feed power only to the directional antenna 16, electromagnetic waves are radiated only in the E direction in the figure, and efficient radio wave propagation is performed.
【００３２】以上説明したことから明らかように、指向
性アンテナの本数が増えれば、それらの指向性アンテナ
へ給電を行うか否かの選択肢が広がり、希望する方向へ
電磁波を輻射することが可能となる。また、各々の指向
性アンテナの輻射方向だけでなく、各指向性アンテナの
合成方向も重要である。As is clear from the above description, as the number of directional antennas increases, the choices of whether or not to supply power to those directional antennas expands, and electromagnetic waves can be radiated in a desired direction. Become. Further, not only the radiation direction of each directional antenna but also the combined direction of each directional antenna is important.
【００３３】[0033]
【発明の効果】以上説明したように本発明においては、
指向性アンテナが、各々互いに異なる方向に電磁波を輻
射するように複数個設けられており、また、各々の指向
性アンテナに対する給電を制御する給電選択操作部が設
けられているため、装置の設置方向を変えることなく電
磁波の輻射方向を変えることができる。As described above, in the present invention,
A plurality of directional antennas are provided so as to radiate electromagnetic waves in mutually different directions, and a power supply selection operation unit that controls the power supply to each directional antenna is provided, so the installation direction of the device The radiation direction of the electromagnetic wave can be changed without changing.
【００３４】それにより、使用者が使用状況に応じて電
磁波の輻射方向を変えることができ、通話状態において
電磁波が人体へ与える影響を軽減することができる。As a result, the user can change the radiation direction of the electromagnetic wave according to the use situation, and the influence of the electromagnetic wave on the human body can be reduced in a call state.
【００３５】また、通話以外のデータ伝送等の状態にお
いても、装置の設置方向に影響されずに効率の良い電波
伝搬を行うことができる。Further, even in a state of data transmission other than a telephone call, efficient radio wave propagation can be performed without being influenced by the installation direction of the device.
【図１】本発明の携帯用無線装置の第１の実施の形態を
示す図である。FIG. 1 is a diagram showing a first embodiment of a portable wireless device of the present invention.
【図２】図１に示した給電選択操作部及び指向性アンテ
ナの動作を説明するための図である。FIG. 2 is a diagram for explaining operations of a power feeding selection operation unit and a directional antenna shown in FIG.
【図３】本発明の携帯用無線装置の第２の実施の形態を
示す図である。FIG. 3 is a diagram showing a second embodiment of the portable wireless device of the present invention.
【図４】従来の携帯用無線装置の一構成例を示す図であ
る。FIG. 4 is a diagram showing a configuration example of a conventional portable wireless device.
１，２，１１，１２，１６ 指向性アンテナ ３，１３ 給電選択操作部 ４，１４ 送受話部 ５ 無線部 1,2,11,12,16 Directional antenna 3,13 Power supply selection operation part 4,14 Transmission / reception part 5 Radio part
Claims (7)
波のやりとりを行う指向性アンテナとを有する携帯用無
線装置において、 前記指向性アンテナは、各々が互いに異なる方向に電磁
波を輻射するように複数個設けられ、 前記複数の指向性アンテナのそれぞれに対する給電を制
御する給電選択操作部を有することを特徴とする携帯用
無線装置。1. A portable wireless device having a transmitting / receiving unit for making a call and a directional antenna for exchanging radio waves with the outside, wherein the directional antennas radiate electromagnetic waves in mutually different directions. A portable wireless device comprising a plurality of power supply selection operation units for controlling power supply to each of the plurality of directional antennas.
て、 前記複数の指向性アンテナのうち１つは、前記送受話部
が設けられた面に電磁波が輻射されるように設けられて
いることを特徴とする携帯用無線装置。2. The portable wireless device according to claim 1, wherein one of the plurality of directional antennas is provided so that an electromagnetic wave is radiated on a surface on which the transmitter / receiver section is provided. A portable wireless device characterized by the above.
無線装置において、 前記複数の指向性アンテナのうち１つは、前記送受話部
が設けられた面とは反対方向に電磁波が輻射されるよう
に設けられていることを特徴とする携帯用無線装置。3. The portable wireless device according to claim 1, wherein one of the plurality of directional antennas radiates an electromagnetic wave in a direction opposite to a surface on which the transmitter / receiver unit is provided. A portable wireless device provided as described above.
携帯用無線装置において、 前記複数の指向性アンテナのうち１つは、前記送受話部
が設けられた面に対して垂直方向に電磁波が輻射される
ように設けられていることを特徴とする携帯用無線装
置。4. The portable wireless device according to claim 1, wherein one of the plurality of directional antennas is arranged in a direction perpendicular to a surface on which the transceiver unit is provided. A portable wireless device, characterized in that it is provided so that electromagnetic waves are radiated to it.
携帯用無線装置において、 前記指向性アンテナは、逆Ｆ型アンテナであることを特
徴とする携帯用無線装置。5. The portable wireless device according to claim 1, wherein the directional antenna is an inverted F-type antenna.
携帯用無線装置において、 前記指向性アンテナは、マイクロストリップアンテナで
あることを特徴とする携帯用無線装置。6. The portable wireless device according to claim 1, wherein the directional antenna is a microstrip antenna.
携帯用無線装置において、 前記指向性アンテナは、コーナーリフレクタアンテナで
あることを特徴とする携帯用無線装置。7. The portable wireless device according to claim 1, wherein the directional antenna is a corner reflector antenna.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8047148A JPH09247031A (en) | 1996-03-05 | 1996-03-05 | Portable wireless devices |
| SE9700591A SE517692C2 (en) | 1996-03-05 | 1997-02-20 | Portable radio with a directional antenna |
| FI970917A FI970917L (en) | 1996-03-05 | 1997-03-04 | Portable radio device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8047148A JPH09247031A (en) | 1996-03-05 | 1996-03-05 | Portable wireless devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09247031A true JPH09247031A (en) | 1997-09-19 |
Family
ID=12767025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8047148A Pending JPH09247031A (en) | 1996-03-05 | 1996-03-05 | Portable wireless devices |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH09247031A (en) |
| FI (1) | FI970917L (en) |
| SE (1) | SE517692C2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000035124A3 (en) * | 1998-12-08 | 2000-10-19 | Telital R & D Denmark | Dual antenna system |
| US6285893B1 (en) | 1998-02-09 | 2001-09-04 | Nec Corporation | Portable radio device |
| WO2002099927A1 (en) * | 2001-06-05 | 2002-12-12 | Sony Corporation | Mobile wireless terminal |
| EP1453136A1 (en) | 2003-02-26 | 2004-09-01 | Nokia Corporation | A radio apparatus with a planar antenna |
| WO2006062101A1 (en) * | 2004-12-08 | 2006-06-15 | Matsushita Electric Industrial Co., Ltd. | Adaptive antenna apparatus |
| JP2012227785A (en) * | 2011-04-20 | 2012-11-15 | Panasonic Eco Solutions Switchgear Devices Co Ltd | Measuring unit and power distribution system using the same |
-
1996
- 1996-03-05 JP JP8047148A patent/JPH09247031A/en active Pending
-
1997
- 1997-02-20 SE SE9700591A patent/SE517692C2/en not_active IP Right Cessation
- 1997-03-04 FI FI970917A patent/FI970917L/en unknown
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6285893B1 (en) | 1998-02-09 | 2001-09-04 | Nec Corporation | Portable radio device |
| WO2000035124A3 (en) * | 1998-12-08 | 2000-10-19 | Telital R & D Denmark | Dual antenna system |
| WO2002099927A1 (en) * | 2001-06-05 | 2002-12-12 | Sony Corporation | Mobile wireless terminal |
| EP1324425A4 (en) * | 2001-06-05 | 2005-08-31 | Sony Corp | Mobile wireless terminal |
| US7069043B2 (en) | 2001-06-05 | 2006-06-27 | Sony Corporation | Wireless communication device with two internal antennas |
| EP1453136A1 (en) | 2003-02-26 | 2004-09-01 | Nokia Corporation | A radio apparatus with a planar antenna |
| US6946998B2 (en) | 2003-02-26 | 2005-09-20 | Nokia Corporation | Radio apparatus with a planar antenna |
| WO2006062101A1 (en) * | 2004-12-08 | 2006-06-15 | Matsushita Electric Industrial Co., Ltd. | Adaptive antenna apparatus |
| US7439918B2 (en) | 2004-12-08 | 2008-10-21 | Matsushita Electric Industrial Co., Ltd. | Adaptive antenna apparatus including adaptive controller for adaptive controlling at least two antenna elements |
| JP2012227785A (en) * | 2011-04-20 | 2012-11-15 | Panasonic Eco Solutions Switchgear Devices Co Ltd | Measuring unit and power distribution system using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| SE9700591D0 (en) | 1997-02-20 |
| SE517692C2 (en) | 2002-07-02 |
| FI970917A7 (en) | 1997-09-06 |
| FI970917L (en) | 1997-09-06 |
| FI970917A0 (en) | 1997-03-04 |
| SE9700591L (en) | 1997-09-06 |
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