JPS61232701A - Antenna multicoupler - Google Patents
Antenna multicouplerInfo
- Publication number
- JPS61232701A JPS61232701A JP60073202A JP7320285A JPS61232701A JP S61232701 A JPS61232701 A JP S61232701A JP 60073202 A JP60073202 A JP 60073202A JP 7320285 A JP7320285 A JP 7320285A JP S61232701 A JPS61232701 A JP S61232701A
- Authority
- JP
- Japan
- Prior art keywords
- dielectric filter
- circulator
- receiving
- transmitting
- antenna duplexer
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2136—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Transceivers (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、例えば、自動車電話、携帯電話または可搬形
マイクロ波装置等に使用されるアンテナ共用器に関し、
同一の金属ケース内で、サーキュレータ・を間に挟み、
その両側に前記受信用誘電体フィルタ及び前記送信用語
電体フィルタを配置することにより、小型化、高性能化
及びコストダウンを図るようにしたものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an antenna duplexer used for, for example, a car phone, a mobile phone, or a portable microwave device.
In the same metal case, with a circulator in between,
By arranging the receiving dielectric filter and the transmitting electric filter on both sides, it is possible to reduce the size, improve the performance, and reduce the cost.
従来の技術
この種のアンテナ共用器は１例えば第７図に示すように
、サーキュレータｌと、受信用誘電体フィルタ２と、送
信用誘電体フィルタ３とを備えて構成されている。2. Description of the Related Art As shown in FIG. 7, for example, an antenna duplexer of this type includes a circulator 1, a receiving dielectric filter 2, and a transmitting dielectric filter 3.
サーキュレータ１には、端子１ａ−１ｃが備えられてい
て、端子１ａにアンテナ４を、端子１ｂに受信用誘電体
フィルタ２を、更に、端子１ｃに送信用誘電体フィルタ
３をそれぞれ接続しである。端子１ａ〜１ｃは、インピ
ーダンス調整回路１０１−１０３を通して、非可逆回路
素子１０４にそれぞれ接続されている。The circulator 1 is equipped with terminals 1a to 1c, and an antenna 4 is connected to the terminal 1a, a receiving dielectric filter 2 is connected to the terminal 1b, and a transmitting dielectric filter 3 is connected to the terminal 1c. . Terminals 1a to 1c are connected to nonreciprocal circuit element 104 through impedance adjustment circuits 101 to 103, respectively.
受信用誘電体フィルタ２は、結合用コンデンサＣｏＨに
よってサーキュレータ１の端子１ｂに接続すると共に、
必要とする特性に応じて任意数備えられる誘電体共振器
２１〜２ｎを、結合用コンデンサＣ２１〜Ｃ２ｎによっ
て順次接続して形成してあり、出力端子２ａを通して１
図示しない受信器に接続するようになっている。The reception dielectric filter 2 is connected to the terminal 1b of the circulator 1 by a coupling capacitor CoH, and
Dielectric resonators 21 to 2n, which can be provided in an arbitrary number depending on the required characteristics, are formed by sequentially connecting them through coupling capacitors C21 to C2n.
It is designed to be connected to a receiver (not shown).
次に送信用誘電体フィルタ３も、受信用誘電体フィルタ
２と同様に、結合用コンデンサＣｏ２によってサーキュ
レータｌの端子１ｃに接続すると共に、必要とする特性
に応じて任意数備えられる誘電体共振器３１〜３ｎを、
結合用コンデンサＣ３１〜Ｃ３ｎによって順次接続して
形成してあり、出力端子３ａを通して５図示しない送信
器に接続するようになっている。Next, similarly to the receiving dielectric filter 2, the transmitting dielectric filter 3 is connected to the terminal 1c of the circulator l by a coupling capacitor Co2, and an arbitrary number of dielectric resonators are provided depending on the required characteristics. 31~3n,
They are formed by sequentially connecting coupling capacitors C31 to C3n, and are connected to a transmitter (not shown) through an output terminal 3a.
アンテナ４によって受信された受信信号は。The received signal received by antenna 4 is:
サーキュレータｌを矢印ａ方向に回り、端子ｉｂから受
信用誘電体フィルタ２に入り、送信用誘電体フィルタ３
側に入ることがない。また、送信器から送信用誘電体フ
ィルタ３を通してサーキュレータ２の端子１ｃに与えら
れた送信信号は、サーキュレータｌを矢印ａ方向に回っ
て端子１ａに現われ、アンテナ４に供給される。従って
、送受信間での相互干渉、反射等を起すことなく、効率
良くマイクロ波送受信を行なうことができる。Go around circulator l in the direction of arrow a, enter reception dielectric filter 2 from terminal ib, and enter transmission dielectric filter 3.
I never get on the side. Further, a transmission signal applied from the transmitter to the terminal 1c of the circulator 2 through the transmission dielectric filter 3 passes through the circulator 1 in the direction of arrow a, appears at the terminal 1a, and is supplied to the antenna 4. Therefore, it is possible to efficiently transmit and receive microwaves without causing mutual interference or reflection between transmitters and receivers.
第７図に示すアンテナ共用器を実現する場合、従来は第
８図に示すように、サーキュレータｌ、受信用誘電体フ
ィルタ２及び送信用誘電体フィルタ３を、互いに独立し
たケース内収納構造の組立体とし、これらをコネクタ或
いはケーブル等の結合具５によって接続して組立てるの
が一般的であった。When realizing the antenna duplexer shown in FIG. 7, conventionally the circulator 1, the receiving dielectric filter 2, and the transmitting dielectric filter 3 are housed in a set of independent housing structures in a case, as shown in FIG. It has been common practice to construct three-dimensional structures and to assemble them by connecting them using coupling tools 5 such as connectors or cables.
発明が解決しようとする問題点
上述のように、従来は、サーキュレータ１、受信用誘電
体フィルタ２及び送信用誘電体フィルタ３を、互いに独
立するケース内収納構造の組立体とし、これらを結合具
５によって接続して組立てていたため、全体形状が大型
化し、軽量小型化の要求の強い自動車電話、携帯電話等
の用途に適応できなくなっていた。また、互いに独立す
るケース組立体として製造し１組立てる必要があるため
コスト高になること、接続部分での反射等の影響を受は
易くなり、性能低下が懸念されること等の問題点もあっ
た。Problems to be Solved by the Invention As described above, conventionally, the circulator 1, the receiving dielectric filter 2, and the transmitting dielectric filter 3 are assembled as an assembly with a storage structure in a case independent of each other, and these are assembled using a coupling device. 5, the overall shape became large, making it unsuitable for applications such as automobile telephones and mobile telephones, which have strong demands for reduction in weight and size. In addition, there are other problems, such as the need to manufacture case assemblies that are independent of each other and assemble them as a single unit, which increases the cost, and makes it more susceptible to the effects of reflections at the connection parts, leading to concerns about performance deterioration. Ta.
問題点を解決するための手段
上述する従来からの問題点を解決するため本発明は、受
信用誘電体フィルタと送信用語電体フィルタとを、サー
キュレータを介してアンテナに導通接続させるアンテナ
共用器において、前記受信用誘電体フィルタ、送信用誘
電体フィルタ及び前記サーキュレータは、前記サーキュ
レータを間に挟み、その両側に前記受信用誘電体フィル
タ及び前記送信用誘電体フィルタが位置する関係で、同
一の金属ケース内に配置したことを特徴とする。Means for Solving the Problems In order to solve the above-mentioned conventional problems, the present invention provides an antenna duplexer in which a reception dielectric filter and a transmission electric filter are conductively connected to the antenna via a circulator. , the receiving dielectric filter, the transmitting dielectric filter, and the circulator are made of the same metal, with the circulator sandwiched therebetween, and the receiving dielectric filter and the transmitting dielectric filter are located on both sides of the circulator. It is characterized by being placed inside the case.
作用
上記構成のアンテナ共用器は、サーキュレータ、受信用
誘電体フィルタ及び送信用誘電体フィルタが、同一の金
属ケース内に収納されて一部品化されるので、従来と異
なって、別々のケース組立体とする必要がなく、全体形
状が小型化されると同時に軽量化され、コストが安価に
なり、更に反射等の影響を受は難く、高性能のアンテナ
共用器が得られる。In the antenna duplexer with the above structure, the circulator, the receiving dielectric filter, and the transmitting dielectric filter are housed in the same metal case and are integrated into a single component. There is no need to use a antenna duplexer, which reduces the overall size and weight, reduces cost, is less susceptible to reflections, etc., and provides a high-performance antenna duplexer.
しかも、サーキュレータを間に挟み、その両側に受信用
誘電体フィルタ及び送信用誘電体フィルタを配置しであ
るので、電気回路的に表現される形に近い配置構造とな
り、電気的接続処理作業が容易になると同時に、性能的
にも優れたものとなる。Moreover, since the circulator is sandwiched between them and the receiving dielectric filter and transmitting dielectric filter are arranged on both sides, the layout structure is similar to that expressed in an electrical circuit, making the electrical connection process easy. At the same time, it also has excellent performance.
実施例
第１図は本発明に係るアンテナ共用器の分解斜視図、第
２図は同じく蓋を取除いた状態での正面図、第３図は第
２図Ａ、−ＡＩ線上における部分断面図である。６は、
アルミニュウム等の金属材料を用いて形成された金属ケ
ース、７は同様の金属材料によって形成された蓋、８は
蓋７を金属ケース６に固定するネジである。Embodiment Fig. 1 is an exploded perspective view of the antenna duplexer according to the present invention, Fig. 2 is a front view with the lid removed, and Fig. 3 is a partial sectional view taken along the line -AI in Fig. 2A. It is. 6 is
A metal case is made of a metal material such as aluminum, a lid 7 is made of a similar metal material, and a screw 8 fixes the lid 7 to the metal case 6.
金属ケース６は、高さｈｌ、幅Ｗ１及び長さ文１の直方
形状の内部空間６１を有し、底面６２と対向する高さ方
向の一面側のみを開口させ、この開口面を蓋７で閉塞す
る構造となっている。The metal case 6 has a rectangular internal space 61 with a height hl, a width W1, and a length 1. Only one side in the height direction facing the bottom surface 62 is opened, and this opening surface is covered with a lid 7. It has a closed structure.
サーキュレータ１、受信用誘電体フィルタ２及び送信用
誘電体フィルタ３の配置に当っては、内部空間６１の開
口部を通し、底板６２の内面上の長さＪｌ＋方向の略中
央部にサーキュレータｌを配置すると共に、その両側に
受信用誘電体フィルタ２及び送信用フィルタ３を配置す
る。When arranging the circulator 1, the receiving dielectric filter 2, and the transmitting dielectric filter 3, the circulator 1 is placed approximately at the center of the inner surface of the bottom plate 62 in the length Jl+ direction through the opening of the internal space 61. At the same time, a receiving dielectric filter 2 and a transmitting filter 3 are arranged on both sides thereof.
サーキュレータ１は、この実施例では、非可逆回路素子
、インピーダンス調整回路等の構成要素を予めケースに
収納したものを使用しているが、ケース収納構造とせず
に、構成要素を直接に金属ケース６内に組付ける構造で
あってもよい、第５図はその実施例を示し、金属ケース
６の底面６２の内面上に、間隔ｄｌ をおいて、幅Ｗ１
方向に延びる仕切板６３及び６４を形成すると共に、こ
の仕切板６３．６４によって囲まれた空間内に、非可逆
回路素子１０４と、この非可逆回路素子１０４を厚み方
向の両側から挟むマグネット９．１０とを配置した構造
となっている。非可逆回路素子１０４は、周知のように
、ガーネット等の磁性体及びコンデンサなどによって形
成される。In this embodiment, the circulator 1 uses a case in which components such as a non-reciprocal circuit element and an impedance adjustment circuit are housed in advance. FIG. 5 shows an embodiment of the structure, in which a width W1 is placed on the inner surface of the bottom surface 62 of the metal case 6 at a distance dl.
In the space surrounded by the partition plates 63 and 64, a non-reciprocal circuit element 104 and a magnet 9. which sandwiches the non-reciprocal circuit element 104 from both sides in the thickness direction are formed. It has a structure in which 10 are arranged. As is well known, the irreversible circuit element 104 is formed of a magnetic material such as garnet, a capacitor, and the like.
受信用誘電体フィルタ２及び送信用誘電体フィルタ３は
１円筒状の誘電体共振器（２１〜２４）、（３１〜３４
）を、軸方向が内部空間６１の幅Ｗ１方向に一致するよ
うにして、長さ文１方向に並べて配置しである。誘電体
共振器（２１〜２４）、（３１〜３４）は、第４図に示
すように、中心部に貫通孔２ｂ、３ｂを有して円筒状に
形成された誘電体磁器素体２ｃ、３ｃの外周面及び貫通
孔２ｂ、３ｂに、連続する導電膜２ｄ、３ｄを形成した
構造となっている。The receiving dielectric filter 2 and the transmitting dielectric filter 3 include cylindrical dielectric resonators (21 to 24) and (31 to 34).
) are arranged side by side in the lengthwise direction so that the axial direction coincides with the width W1 direction of the internal space 61. As shown in FIG. 4, the dielectric resonators (21 to 24) and (31 to 34) include a dielectric ceramic body 2c formed in a cylindrical shape with through holes 2b and 3b in the center, It has a structure in which continuous conductive films 2d and 3d are formed on the outer peripheral surface of 3c and through holes 2b and 3b.
また、誘電体共振器（２１〜２４）、（３１〜３４）の
上方には、誘電体磁器基板１１．１２が配置してあって
、この誘電体磁器基板１１．１２の表面に電極１１０〜
１１５ 、１２０〜１２５を形成しである。Moreover, a dielectric ceramic substrate 11.12 is arranged above the dielectric resonators (21-24) and (31-34), and electrodes 110-
115, 120-125 are formed.
そして、誘電体共振器（２１〜２４）、（３１〜３４）
の導電層２ｄ、３ｄと、電極１１１〜１１４ 、１２１
〜１２４ とを、リードｆｉ １３１〜１３４゜１４１
〜１４４によってそれぞれ導通接続させ、サーキュレー
タ１の端子１ｂと誘電体磁器基板１１上の電極１１０、
端子ＩＣと誘電体磁器基板１２上の電極１２０とをリー
ド線１５．１６によってそれぞれ導通接続させ、更に、
誘電体磁器基板ｌｌ上の電極１１５と端子２ａとをリー
ドｍ１７によって、また、誘電体磁器基板１２上の電極
１２５と端子３ａとをリード線１８によってそれぞれ導
通接続させである。端子２ａと端子３ａは、長さ文１方
向の両単において対向する側面板６５．６６にそれぞれ
装着されている。And dielectric resonators (21-24), (31-34)
conductive layers 2d, 3d and electrodes 111-114, 121
~124 and lead fi 131~134°141
~ 144 are electrically connected, and the terminal 1b of the circulator 1 and the electrode 110 on the dielectric ceramic substrate 11,
The terminal IC and the electrode 120 on the dielectric ceramic substrate 12 are electrically connected by lead wires 15 and 16, and further,
The electrode 115 on the dielectric ceramic substrate 11 and the terminal 2a are electrically connected by the lead m17, and the electrode 125 on the dielectric ceramic substrate 12 and the terminal 3a are electrically connected by the lead wire 18, respectively. The terminals 2a and 3a are respectively attached to side plates 65 and 66 that face each other in both longitudinal directions.
本発明に係るアンテナ共用器は、第７図で説明したよう
な電気的等価回路図となるが、サーキュレータｌ、受信
用誘電体フィルタ２及び送信用誘電体フィルタ３が、同
一の金属ケース６及び蓋７内に収納されて一部品化され
るので、従来と異なって、別々のケース組立体とする必
要がなく、全体形状が小型化されると同時に軽量化され
、コストが安価になり、更に反射等の影響を受は難く、
性能的に優れたものとなる。The antenna duplexer according to the present invention has an electrical equivalent circuit diagram as explained in FIG. Since it is housed in the lid 7 and integrated into one component, there is no need for separate case assemblies unlike in the past, and the overall shape is reduced in size and weight, reducing costs. Not easily affected by reflection etc.
It has excellent performance.
しかも、受信用誘電体フィルタ２及び送信用語電体フィ
ルタ３は、円筒状の誘電体共振器（２１〜２４）、（３
１〜３４）を、軸方向が内部空間６１の幅Ｗ１方向に一
致するようにして、長さ交１方向に並べて配置しである
から、全体の厚みが、受信用誘電体フィルタ２及び送信
用誘電体フィルタ３を形成する誘電体共振器２１〜２４
゜３１〜３４の直径に依存した厚みとなり、著しく薄型
化される。Moreover, the receiving dielectric filter 2 and the transmitting term electric filter 3 include cylindrical dielectric resonators (21 to 24), (3
1 to 34) are arranged side by side in one length-crossing direction with the axial direction matching the width W1 direction of the internal space 61, so that the overall thickness is the same as that of the dielectric filter 2 for reception and the dielectric filter 2 for transmission. Dielectric resonators 21 to 24 forming the dielectric filter 3
The thickness depends on the diameter of 31 to 34 degrees, and the thickness is significantly reduced.
また、サーキュレータ１を間に挟み、その両側に受信用
誘電体フィルタ２及び送信用誘電体フィルタ３を配置し
であるので、第７図に示した電気回路に近い配置構造と
なり、電気的接続処理作業が容易になる。In addition, since the circulator 1 is sandwiched between the receiving dielectric filter 2 and the transmitting dielectric filter 3 on both sides, the arrangement structure is similar to the electric circuit shown in Fig. 7, and the electrical connection processing is performed. Work becomes easier.
第６図は本発明に係るアンテナ共用器の使用状態を示す
図で、本発明に係るアンテナ共用器Ａの金属ケース６を
通信機器の外箱Ｂに装着した構造となっている。本発明
に係るアンテナ共用器Ａは、受信用誘電体フィルタ２、
送信用誘電体フィルタ３及び前記サーキュレータ１を同
一の金属ケース６内に配置して一部品化しであるので、
このような取付は構造をとることが可能である。FIG. 6 is a diagram showing the usage state of the antenna duplexer according to the present invention, in which the metal case 6 of the antenna duplexer A according to the present invention is attached to the outer box B of a communication device. The antenna duplexer A according to the present invention includes a reception dielectric filter 2,
Since the transmitting dielectric filter 3 and the circulator 1 are arranged in the same metal case 6 and integrated into one component,
Such attachment can be structured.
発明の効果
以上述べたように、本発明は、サーキュレータ、受信用
誘電体フィルタ及び送信用誘電体フィルタが、同一の金
属ケース内に収納されて一部品化されるので、従来と異
なって、別々のケース組立体とする必要がなく、全体形
状が小型化されると同時に軽量化され、コストが安価に
なり、更に反射等の影響を受は難く、高性能のアンテナ
共用器が得られる。Effects of the Invention As described above, in the present invention, the circulator, the receiving dielectric filter, and the transmitting dielectric filter are housed in the same metal case and integrated into one component, so unlike the conventional case, they can be separated. There is no need for a case assembly, the overall shape is reduced, the weight is reduced, the cost is reduced, and a high-performance antenna duplexer is obtained which is less susceptible to the effects of reflection and the like.
しかも、サーキュレータを間に挟み、その両側に受信用
誘電体フィルタ及び送信用誘電体フィルタを配置しであ
るので、電気回路的に表現される形に近い配置構造とな
り、電気的接続処理作業が容易になると同時に、性能的
にも優れたものとなる。Moreover, since the circulator is sandwiched between them and the receiving dielectric filter and transmitting dielectric filter are arranged on both sides, the layout structure is similar to that expressed in an electrical circuit, making the electrical connection process easy. At the same time, it also has excellent performance.
第１図は本発明に係るアンテナ共用器の分解斜視図、第
２図は同じく蓋を取除いた状態での正面図、第３図は第
２図Ａ＋−Ａｔ線上における部分断面図、第４図は受信
用誘電体フィルタ及び送信用誘電体フィルタの要部の構
造を示す斜視図、第５図は本発明に係るアンテナ共用器
の別の実施例における要部の拡大部分断面図、第６図は
本発明に係るアンテナ共用器の使用状態を示す図、第７
図はアンテナ共用器の電気的等価回路図。
第８図は従来のアンテナ共用器の構造を概略的に示す図
である。
１・・・サーキュレータ
２Φφ・受信用誘電体フィルタ
３１１赤・送信用語電体フィルタ
４・Φ・アンテナ
６・弗・金属ケース ７・・・蓋
第５図
第６図
ム
第８図Fig. 1 is an exploded perspective view of the antenna duplexer according to the present invention, Fig. 2 is a front view with the lid removed, Fig. 3 is a partial sectional view taken along line A+-At in Fig. 2, and Fig. 4 The figure is a perspective view showing the structure of the main parts of the receiving dielectric filter and the transmitting dielectric filter, FIG. 5 is an enlarged partial sectional view of the main part in another embodiment of the antenna duplexer according to the present invention, and FIG. Figure 7 shows how the antenna duplexer according to the present invention is used.
The figure is an electrical equivalent circuit diagram of an antenna duplexer. FIG. 8 is a diagram schematically showing the structure of a conventional antenna duplexer. 1...Circulator 2Φφ・Receiving dielectric filter 311 red・Transmission term Electric filter 4・Φ・Antenna 6・Futa・Metal case 7...Lid Fig. 5 Fig. 6 Fig. 8
Claims (5)
とを、サーキュレータを介してアンテナに導通接続させ
るアンテナ共用器において、前記受信用誘電体フィルタ
、送信用誘電体フィルタ及び前記サーキュレータは、前
記サーキュレータを間に挟み、その両側に前記受信用誘
電体フィルタ及び前記送信用誘電体フィルタが位置する
関係で、同一の金属ケース内に配置したことを特徴とす
るアンテナ共用器。(1) In an antenna duplexer in which a receiving dielectric filter and a transmitting dielectric filter are conductively connected to an antenna via a circulator, the receiving dielectric filter, the transmitting dielectric filter, and the circulator are connected to the receiving dielectric filter, the transmitting dielectric filter, and the circulator. An antenna duplexer characterized in that the receiving dielectric filter and the transmitting dielectric filter are arranged in the same metal case with a circulator sandwiched therebetween, and the receiving dielectric filter and the transmitting dielectric filter are located on both sides of the circulator.
のみを開口させた直方体状に形成し、受信用誘電体フィ
ルタ及び送信用誘電体フィルタは、誘電体共振器を、軸
方向が前記内部空間の幅方向に一致するようにして、長
さ方向に並べて配置したことを特徴とする特許請求の範
囲第１項に記載のアンテナ共用器。(2) The metal case has an internal space formed in the shape of a rectangular parallelepiped with only one side opened in the thickness direction, and the receiving dielectric filter and the transmitting dielectric filter each have a dielectric resonator with the axial direction facing the same side. The antenna duplexer according to claim 1, characterized in that the antenna duplexers are arranged side by side in the length direction so as to coincide with the width direction of the internal space.
フィルタのそれぞれは、端子の一つを前記金属ケースの
長さ方向の相対する側面に装着したことを特徴とする特
許請求の範囲第１項または第２項に記載のアンテナ共用
器。(3) The receiving dielectric filter and the transmitting dielectric filter each have one terminal attached to opposite sides in the length direction of the metal case. The antenna duplexer according to item 1 or 2.
向に立設された仕切板を有し、この仕切板によって前記
受信用誘電体フィルタ、送信用誘電体フィルタ及び前記
サーキュレータの配置領域を区画形成したことを特徴と
する特許請求の範囲第１項、第２項または第３項に記載
のアンテナ共用器。(4) The metal case has a partition plate that stands upright in the width direction at intervals on the inner surface of the bottom plate, and the partition plate provides an area for disposing the receiving dielectric filter, the transmitting dielectric filter, and the circulator. The antenna duplexer according to claim 1, 2, or 3, characterized in that the antenna duplexer is formed into sections.
ていることを特徴する特許請求の範囲第１項、第２項、
第３項または第４項に記載のアンテナ共用器。(5) Claims 1 and 2, characterized in that the metal case is attached to an outer box of a communication device.
The antenna duplexer according to item 3 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60073202A JPH0659002B2 (en) | 1985-04-06 | 1985-04-06 | Antenna duplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60073202A JPH0659002B2 (en) | 1985-04-06 | 1985-04-06 | Antenna duplexer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61232701A true JPS61232701A (en) | 1986-10-17 |
| JPH0659002B2 JPH0659002B2 (en) | 1994-08-03 |
Family
ID=13511322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60073202A Expired - Lifetime JPH0659002B2 (en) | 1985-04-06 | 1985-04-06 | Antenna duplexer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0659002B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61202904U (en) * | 1985-06-07 | 1986-12-20 | ||
| WO2008033067A1 (en) * | 2006-09-14 | 2008-03-20 | Powerwave Technologies Sweden Ab | A rf filter module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57151002U (en) * | 1981-03-18 | 1982-09-22 | ||
| JPS58139703U (en) * | 1982-03-15 | 1983-09-20 | ティーディーケイ株式会社 | Sending/receiving shared device |
| JPS59154904A (en) * | 1983-02-23 | 1984-09-04 | 株式会社 藤木農機製作所 | Deep cultivator |
| JPS604003U (en) * | 1983-06-20 | 1985-01-12 | 松下電器産業株式会社 | antenna sharing device |
-
1985
- 1985-04-06 JP JP60073202A patent/JPH0659002B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57151002U (en) * | 1981-03-18 | 1982-09-22 | ||
| JPS58139703U (en) * | 1982-03-15 | 1983-09-20 | ティーディーケイ株式会社 | Sending/receiving shared device |
| JPS59154904A (en) * | 1983-02-23 | 1984-09-04 | 株式会社 藤木農機製作所 | Deep cultivator |
| JPS604003U (en) * | 1983-06-20 | 1985-01-12 | 松下電器産業株式会社 | antenna sharing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61202904U (en) * | 1985-06-07 | 1986-12-20 | ||
| WO2008033067A1 (en) * | 2006-09-14 | 2008-03-20 | Powerwave Technologies Sweden Ab | A rf filter module |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0659002B2 (en) | 1994-08-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |