JP2002016429A - Substrate-mounted planar antenna - Google Patents
Substrate-mounted planar antennaInfo
- Publication number
- JP2002016429A JP2002016429A JP2000194181A JP2000194181A JP2002016429A JP 2002016429 A JP2002016429 A JP 2002016429A JP 2000194181 A JP2000194181 A JP 2000194181A JP 2000194181 A JP2000194181 A JP 2000194181A JP 2002016429 A JP2002016429 A JP 2002016429A
- Authority
- JP
- Japan
- Prior art keywords
- conductor plate
- conductor
- plate
- radiation
- short
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D4/00—Tariff metering apparatus
- G01D4/002—Remote reading of utility meters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はガス自動検針システ
ムまたは設備機器の遠隔制御に使用する無線機に内蔵す
る基板実装形板状アンテナに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a board-mounted plate antenna incorporated in a radio device used for remote control of an automatic gas meter reading system or equipment.
【０００２】[0002]
【従来の技術】従来、小型無線機用アンテナにはモノポ
ールアンテナ、ループアンテナまたは板状逆Ｆアンテナ
（以下逆Ｆアンテナ）などよく用いられており、中でも
逆Ｆアンテナは小型、薄型であり比較的高利得なため携
帯電話やコードレス電話などの内蔵アンテナとして多く
用いられている。2. Description of the Related Art Conventionally, a monopole antenna, a loop antenna or a plate-shaped inverted-F antenna (hereinafter referred to as an inverted-F antenna) is often used as an antenna for a small radio device. Due to its high gain, it is widely used as a built-in antenna for mobile phones and cordless phones.
【０００３】図１６に従来の携帯無線機における逆Ｆア
ンテナの実装構造を示している。図１６において（ａ）
は正面図、（ｂ）は側面図を示しており、４０は逆Ｆア
ンテナ（ユニット）、４１は逆Ｆアンテナの輻射素子で
ある放射導体板、４２は放射導体板を接地するための短
絡導体板、４３は高周波信号を給電するストリップライ
ン、４４はストリップラインに接続された逆Ｆアンテナ
の給電導体板、４５は無線信号の送受信を行う高周波回
路が実装された高周波回路基板、４６は無線機の制御回
路が実装されたプリント回路基板、４７は高周波回路ま
たはプリント回路のシールドを行うシールドケース、４
８は放射導体板の対向して設けられた接地導体板、４９
は接地導体板４８と放射導体板４１間に装填された誘電
体である。FIG. 16 shows a mounting structure of an inverted F antenna in a conventional portable radio. In FIG. 16, (a)
Is a front view, (b) is a side view, 40 is an inverted-F antenna (unit), 41 is a radiating conductor plate as a radiating element of the inverted-F antenna, and 42 is a short-circuit conductor for grounding the radiating conductor plate 43, a strip line for feeding a high-frequency signal; 43, a feeding conductor plate of an inverted-F antenna connected to the strip line; 45, a high-frequency circuit board on which a high-frequency circuit for transmitting and receiving wireless signals is mounted; A printed circuit board on which the control circuit is mounted; 47, a shield case for shielding a high-frequency circuit or a printed circuit;
8 is a ground conductor plate provided opposite to the radiation conductor plate;
Is a dielectric loaded between the ground conductor plate 48 and the radiation conductor plate 41.
【０００４】逆Ｆアンテナ４０は放射導体板４１と接地
導体板４８を対向させ、導体板間に誘電体４９をはさみ
込んでおり、前記放射導体板４１の端部において短絡導
体板４２を介して接地導体板４８に接続しており、接地
導体板４８は高周波基板４５にハンダ付けによって接続
されている。また高周波回路基板４５より伸びている給
電ストリップライン４３は、放射導体板４１に接続され
た給電導体板４４とハンダ付けによって接続され逆Ｆア
ンテナに給電する構成である。The inverted F antenna 40 has a radiation conductor plate 41 and a ground conductor plate 48 opposed to each other, and a dielectric 49 is interposed between the conductor plates. At the end of the radiation conductor plate 41, a short-circuit conductor plate 42 is provided. The ground conductor plate 48 is connected to the high-frequency board 45 by soldering. The feed strip line 43 extending from the high-frequency circuit board 45 is connected to the feed conductor plate 44 connected to the radiation conductor plate 41 by soldering, and feeds power to the inverted F antenna.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら上記従来
の構成では、高周波回路基板上に逆Ｆアンテナを実装す
るスペースを確保しなければならず、使用周波数が４０
０MHz帯程度に低くなってくるとアンテナ自体が大きく
なる為、基板面積が大きくなり無線機が大型化する。However, in the above-mentioned conventional configuration, a space for mounting the inverted-F antenna on the high-frequency circuit board must be ensured.
When the frequency is lowered to about 0 MHz band, the antenna itself becomes large, so that the substrate area becomes large and the size of the radio becomes large.
【０００６】また１枚の基板に高周波回路部及び制御回
路部を実装させる場合、高周波回路部はユニット（以下
ＲＦユニット）として実装する場合があるが無線機の厚
み方向や寸法または電池などの実装部品に制約を受ける
ことが多い為、逆Ｆアンテナに必要な接地導体を実装す
るスペースが確保しにくいとともに、接地導体板が使用
周波数に対して十分大きくないために利得が低下すると
いう問題もある。When a high-frequency circuit section and a control circuit section are mounted on one substrate, the high-frequency circuit section may be mounted as a unit (hereinafter referred to as an RF unit). Since the parts are often restricted, there is a problem that it is difficult to secure a space for mounting the ground conductor required for the inverted-F antenna, and the ground conductor plate is not sufficiently large with respect to the used frequency, so that the gain is reduced. .
【０００７】また逆Ｆアンテナの接地導体板と短絡導体
を別々に設けた場合、短絡導体板の端部を接地導体に接
続させる作業が必要となるが、前記作業は手作業でのハ
ンダ付けなどであり作業が煩わしいという課題があっ
た。When the ground conductor plate and the short-circuit conductor of the inverted-F antenna are separately provided, it is necessary to connect the end of the short-circuit conductor plate to the ground conductor. However, there is a problem that the operation is troublesome.
【０００８】また、上記従来例では、高周波回路部グラ
ンドと信号処理部グランドと分離することが難しく、無
線送信時にグランドの影響を受けやすいという課題や、
無線送信周波数帯域が狭いという課題、組立バラツキに
よる送受信帯域バラツキが大きいという課題、アンテナ
の変形による送受信周波数が変動するという課題、加工
が難しいため設置胴体板の形状が制限されるという課
題、給電線が細いため給電線とは別にグランド端子を設
けなければならないという課題、送受信周波数帯域が狭
い場合アンテナの設置される周辺物により、アンテナの
形状を変えなければならないという課題があった。Further, in the above-mentioned conventional example, it is difficult to separate the high-frequency circuit section ground and the signal processing section ground, and there is a problem that the ground is easily affected by radio transmission.
The problem that the wireless transmission frequency band is narrow, the problem that the transmission and reception band varies greatly due to assembly variations, the problem that the transmission and reception frequencies fluctuate due to deformation of the antenna, the problem that the shape of the installed body plate is limited due to difficult processing, and the power supply line However, there is a problem that a ground terminal must be provided separately from the feeder line because of the small size of the power supply line, and a problem that the shape of the antenna must be changed depending on a peripheral object where the antenna is installed when the transmission / reception frequency band is narrow.
【０００９】本発明は上記課題を解決するもので、電池
やＲＦユニットなどの大型部品に実装スペースや厚み方
向の寸法を制約をうける中で、逆Ｆアンテナに必要な接
地導体板と実装スペースを確保し、製造しやすく高利
得、高帯域で、組立バラツキが少なく、変形による送受
信帯域の変動の少ない、信号処理部グランドの影響の少
ない、かつ、接地導体板が加工しやすく、アンテナ設置
場所の制限の受けにくいアンテナを提供すること、さら
には、設置導体板と高周波部品実装基板のグランドとを
一体構造とすることでの省スペース化の実現、設置導体
板と高周波部品シールド板とを一体構造とすることによ
る省スペース化の実現、さらには、放射導体板を自立型
にすることによる放射導体板と接地導体板の間に必要だ
った樹脂部品の削減、さらには接地導体板と高周波部シ
ールド板とを一体構造にする事による部品の削減、接地
導体板を平面構造にする事による接地導体作成の簡略
化、放射導体板に凹みをつける事により変形しにくした
り、放射導体板を筐体に設ける事による構造の簡略化、
放射導体板を筐体にはめ込む構造にする事による自立構
造部分の削減、さらに筐体に金属板を貼りつける事によ
る電波放射特性の改善、接地導体板と高周波部シールド
板を二重構造にすることによる高周波特性の向上、放射
導体板を一枚打ちぬき板金構造にする事による放射導体
板の構造簡略化を目的としたものである。The present invention solves the above-mentioned problem, and while the mounting space and the dimension in the thickness direction are limited for large components such as a battery and an RF unit, the grounding conductor plate and mounting space required for the inverted F antenna are reduced. Easy to secure, easy to manufacture, high gain, high bandwidth, small assembly variation, little change in transmission / reception band due to deformation, little influence of signal processing ground, easy to process ground conductor plate, Providing an antenna that is not easily restricted, and realizing space saving by integrating the installation conductor plate and the ground of the high-frequency component mounting board, and integrating the installation conductor plate and the high-frequency component shield plate To save space, and to reduce the number of resin parts required between the radiation conductor plate and the ground conductor plate by making the radiation conductor plate a self-supporting type Furthermore, the number of parts can be reduced by integrating the ground conductor plate and the high-frequency shield plate, the ground conductor plate can be simplified by making the ground conductor a planar structure, and the radiation conductor plate can be deformed by forming a recess. And simplification of the structure by providing a radiation conductor plate in the housing,
Reducing the self-standing structure by adopting a structure in which the radiating conductor plate is fitted into the housing, improving the radio wave radiation characteristics by attaching a metal plate to the housing, and using a double structure of the grounding conductor plate and the high-frequency shield plate The purpose of this is to improve the high-frequency characteristics and to simplify the structure of the radiating conductor plate by forming the radiating conductor plate into a single sheet metal structure.
【００１０】[0010]
【課題を解決するための手段】本発明は上記課題を解決
するために、高周波部実装基板の放射導体板側を全面グ
ランドにして基板実装形板状アンテナを形成したもので
ある。In order to solve the above-mentioned problems, the present invention is to form a board-mounted plate antenna with the radiation conductor plate side of the high-frequency portion mounting board being grounded over the entire surface.
【００１１】また、放射導体板を自立できる構造にした
ものである。[0011] Further, the radiation conductor plate has a structure capable of standing on its own.
【００１２】また、放射導体板と高周波部用シールド板
を一体構造にしたものである。Further, the radiation conductor plate and the shield plate for the high frequency part are integrated.
【００１３】また、高周波部と制御部の消費電流を削減
し、実装電池を２本から１本にする事で放射導体板の面
積を拡大してアンテナ特性を向上させたものである。Further, the current consumption of the high-frequency section and the control section is reduced, and the number of mounted batteries is reduced from two to one, so that the area of the radiating conductor plate is enlarged and the antenna characteristics are improved.
【００１４】また、接地導体板の絞り加工を不必要にす
るために、接地導体板を平面構造にしたものである。The ground conductor plate has a planar structure so that drawing of the ground conductor plate is unnecessary.
【００１５】また、放射導体板を自立構造にし、かつ、
接地導体板を平面構造にしたものである。Further, the radiation conductor plate has a self-standing structure, and
The ground conductor plate has a planar structure.
【００１６】また、放射導体板の周辺部を折り曲げ構造
にしたものである。Further, the radiation conductor plate is formed by bending the periphery thereof.
【００１７】また、放射導体板の中央部に凹み構造をつ
けたものである。Further, the radiating conductor plate is provided with a concave structure at the center.
【００１８】また、放射導体板を筐体に設置したもので
ある。Further, the radiation conductor plate is provided in a housing.
【００１９】また、放射導体板を筐体にはめ込む構造に
したものである。Also, the radiation conductor plate is structured to be fitted in a housing.
【００２０】また、金属板を筐体に張りつけ、電波放射
の指向性を改善させたものである。Further, a metal plate is attached to the housing to improve the directivity of radio wave radiation.
【００２１】また、放射導体板の内側に、シールド板を
設けたものである。Further, a shield plate is provided inside the radiation conductor plate.
【００２２】また、放射導体板を一枚の打ちぬき構造に
したものである。Further, the radiation conductor plate has a single punch-out structure.
【００２３】[0023]
【発明の実施の形態】片面に信号処理回路部と高周波回
路の配線パターン、反対の片面に全面接地導体パターン
が形成されたプリント回路基板と、前記接地導体パター
ンの面に対向させた放射導体板と、前記放射導体板に一
方の端部を接続した短絡導体と、前記放射導体板に高周
波信号を供給する給電導体部を備え、前記短絡導体の他
方の端部及び前記接地導体板は前記プリント回路基板に
接続し、前記放射導体板に接続された前記短絡導体は接
地導体板に短絡されるようにして、基板実装形板状アン
テナを形成したものである。これより、接地導体板と高
周波部品実装基板とを別々に構成していたものをひとつ
にする事が出来る為、構成部品を削減する事ができ、さ
らに部品点数の削減と組み立て工数、調整工数の削減が
できる。DESCRIPTION OF THE PREFERRED EMBODIMENTS A printed circuit board having a signal processing circuit portion and a wiring pattern of a high-frequency circuit formed on one side and a grounding conductor pattern formed entirely on the opposite side, and a radiation conductor plate opposed to the surface of the grounding conductor pattern A short-circuit conductor having one end connected to the radiation conductor plate; and a power supply conductor portion for supplying a high-frequency signal to the radiation conductor plate. The other end of the short-circuit conductor and the ground conductor plate are each formed of the printed conductor. The short-circuit conductor connected to the circuit board and connected to the radiation conductor plate is short-circuited to a ground conductor plate to form a board-mounted plate antenna. As a result, since the ground conductor plate and the high-frequency component mounting board can be configured separately, the number of components can be reduced, and the number of components can be reduced, and the number of assembly steps and adjustment steps can be reduced. Can be reduced.
【００２４】また、放射導体板がプリント回路基板上で
自立できるような導体を持たせることにより、放射導体
板と接地導体板との間にあった樹脂製の放射導体板を固
定する部品を削減する事が出来る。Also, by providing a conductor that allows the radiation conductor plate to stand on the printed circuit board, the number of parts for fixing the resin radiation conductor plate between the radiation conductor plate and the ground conductor plate can be reduced. Can be done.
【００２５】また、信号処理回路部と高周波回路は金属
板でシールドしかつ、このシールド用金属板をプリント
回路基板の接地面に接続する事で、従来接地導体板とシ
ールド用金属板を別々に設けていたものを、一つにする
事が出来る。The signal processing circuit section and the high-frequency circuit are shielded by a metal plate, and this shield metal plate is connected to the ground plane of the printed circuit board, so that the conventional ground conductor plate and the shield metal plate are separately provided. What was provided can be united.
【００２６】また、信号処理回路部と高周波回路部とで
消費される電流を削減する事により、電池の設置本数を
減らし、放射導体の面積を拡大することでアンテナ特性
を向上させる事が出来る。Also, by reducing the current consumed by the signal processing circuit section and the high-frequency circuit section, the number of batteries to be installed can be reduced, and the antenna area can be improved by increasing the area of the radiation conductor.
【００２７】また、アンテナ面積を広げる事で、電池の
アンテナ特性への影響を削減することにより、これによ
り従来接地導体板の下にあった電池をむき出しにするこ
とができ、接地導体板を平面にすることができ、これよ
り従来必要だった接地導体板の絞り加工を不必要にする
事が出来、加工工数を削減する事が出来る。Further, by increasing the antenna area, the influence of the battery on the antenna characteristics is reduced, whereby the battery which was conventionally under the ground conductor plate can be exposed, and the ground conductor plate can be flattened. Accordingly, the drawing process of the ground conductor plate, which is conventionally required, can be made unnecessary, and the number of processing steps can be reduced.
【００２８】また、上記構成で放射導体板を自立できる
構成にすることにより、従来放射導体板と接地導体板と
の間にあった樹脂製の放射導体板を固定する部品を削減
する事が出来る。Further, by making the radiating conductor plate self-supporting in the above configuration, it is possible to reduce the number of parts for fixing the resin radiating conductor plate which has conventionally been provided between the radiating conductor plate and the grounding conductor plate.
【００２９】また、放射導体は全部あるいは一部の辺を
折り曲げることで、放射導体板の変形に対する強度を向
上させる事が出来る。Further, by bending all or some of the sides of the radiation conductor, the strength of the radiation conductor plate against deformation can be improved.
【００３０】また、放射導体に線状の凸部あるいは凹部
を持たせることにより放射導体板の変形に対する強度を
向上させる事が出来る。Further, by providing the radiation conductor with a linear projection or a depression, the strength of the radiation conductor plate against deformation can be improved.
【００３１】また、筐体の内側に放射導体板を設置し、
放射導体板と短絡導体、前記給電導体部との接続は接触
でおこなうことで、従来必要であった放射導体板と接地
導体板との間にあった樹脂製の放射導体板を固定する部
品、あるいは放射導体板の自立できる構成を削減する事
が出来る。Further, a radiation conductor plate is installed inside the housing,
The connection between the radiation conductor plate and the short-circuit conductor and the power supply conductor portion is performed by contact, so that a conventionally required component for fixing the resin radiation conductor plate between the radiation conductor plate and the ground conductor plate, or radiation. The configuration in which the conductor plate can be self-supporting can be reduced.
【００３２】また、筐体の内側に放射導体板をはめ込め
るようにガイド溝を設置したことにより、従来必要であ
った放射導体板と接地導体板との間にあった樹脂製の放
射導体板を固定する部品、あるいは放射導体板の自立で
きる構成を削減する事が出来る。Further, by providing a guide groove so that the radiating conductor plate can be fitted inside the housing, the resin radiating conductor plate which was conventionally required between the radiating conductor plate and the grounding conductor plate is fixed. It is possible to reduce the number of components that can be used or the configuration that allows the radiation conductor plate to be self-supporting.
【００３３】また、筐体の表面に金属シールを貼り、ア
ンテナ指向性を全面に強くすることが出来る。Also, a metal seal can be attached to the surface of the housing to enhance the directivity of the antenna over the entire surface.
【００３４】また、接地導体板の内側に絶縁金属板を備
えたことにより、アンテナの高周波部品部への影響を無
くす事が出来る。Further, by providing the insulating metal plate inside the grounding conductor plate, it is possible to eliminate the influence on the high frequency parts of the antenna.
【００３５】また、放射導体板は１枚打ち抜き板金を折
り曲げる構成にする事により、放射導体板の加工工数、
組み立て工数を削減できる。The radiation conductor plate is formed by bending a single punched sheet metal, so that the number of processing steps of the radiation conductor plate can be reduced.
Assembly man-hours can be reduced.
【００３６】[0036]
【実施例】本発明の実施例を図面に基づいて説明する。An embodiment of the present invention will be described with reference to the drawings.
【００３７】（実施例１）以下本発明の実施例１につい
て説明する。図１は無線ガス自動検針システムのシステ
ム構成図である。図１を使用して無線ガス自動検針シス
テムについての概要を説明し、その後で前記システムに
使用されている基板実装形板状アンテナについて説明を
行う。(Embodiment 1) Embodiment 1 of the present invention will be described below. FIG. 1 is a system configuration diagram of the wireless gas automatic meter reading system. The outline of the wireless gas automatic metering system will be described with reference to FIG. 1, and then the board-mounted plate antenna used in the system will be described.
【００３８】図１において、１は需要家のガス使用量を
積算計測しているガスメータ、２は前記ガスメータに接
続され無線によって通信する無線アダプタ子機、３は前
記無線アダプタ子機と無線通信を行う無線アダプタ親
機、４は無線アダプタ親機が接続されるとともに回線制
御機能を有したＴ−ＮＣＵ（Terminal-Network control
unit）、５はＴ−ＮＣＵ４と無線アダプタ親機３が取り
付けられた家屋壁面、６はＴ−ＮＣＵと接続された公衆
回線網、７は公衆回線網６に接続されるとともに需要家
のガス使用量を検針するガス供給業者の検針センターで
ある。In FIG. 1, reference numeral 1 denotes a gas meter for integrating and measuring the amount of gas used by a customer, 2 denotes a wireless adapter slave connected to the gas meter and wirelessly communicates, and 3 denotes wireless communication with the wireless adapter slave. The wireless adapter master unit 4 is connected to the wireless adapter master unit and has a line control function T-NCU (Terminal-Network control).
unit), 5 is a house wall on which the T-NCU 4 and the wireless adapter base unit 3 are attached, 6 is a public line network connected to the T-NCU, 7 is connected to the public line network 6 and uses gas of a customer. It is the meter reading center of the gas supplier who measures the amount.
【００３９】次に動作を説明すると、ガス供給業者の検
針センター７は需要家宅のガスメータ１に対してガス検
針要求を、公衆回線網６を経由し需要家宅のＴ−ＮＣＵ
４に対して送信し、Ｔ−ＮＣＵ４から無線アダプタ親機
３に通信し、無線によって無線アダプタ子機２に送信さ
れガスメータ１に伝送される。そしてガスメータ１は同
一の経路を逆にたどりながら検針センター７に検針値を
返信する構成である。なお無線アダプタ子機２及び無線
アダプタ親機３は４２９MHz帯の特定小電力無線テレメ
ータ・テレコントロール用の周波数帯を使用している。Next, the operation will be described. The gas meter reading center 7 of the gas supplier sends a gas meter reading request to the gas meter 1 in the customer's house via the public network 6 to the T-NCU in the customer's house.
4, communicates from the T-NCU 4 to the wireless adapter master unit 3, is wirelessly transmitted to the wireless adapter slave unit 2, and is transmitted to the gas meter 1. The gas meter 1 is configured to return the meter reading value to the meter reading center 7 while following the same route in reverse. The wireless adapter slave unit 2 and the wireless adapter master unit 3 use a frequency band for specific low-power wireless telemeter / telecontrol in the 429 MHz band.
【００４０】次に前記無線ガス検針システムに使用され
る無線アダプタにおける基板実装形逆Ｆアンテナを説明
する。図２は前記無線アダプタに内蔵されている基板実
装形板状アンテナの外観構成図である。また図３はガス
メータ１に前記板状アンテナを内蔵した無線アダプタ子
機２を取り付けたときの外観構成図である。Next, a board-mounted inverted-F antenna in a wireless adapter used in the wireless gas metering system will be described. FIG. 2 is an external configuration diagram of a board-mounted plate antenna built in the wireless adapter. FIG. 3 is an external configuration diagram when the wireless adapter slave unit 2 having the built-in plate antenna is attached to the gas meter 1.
【００４１】図２において、８は板状アンテナの放射素
子を形成する放射導体板、１０は無線アダプタの制御回
路を実装したプリント回路基板、１１は片側の端部を放
射導体板８に接続するとともにプリント回路基板１０の
放射導体板側全面グランドに接続された短絡導体、１２
は前記プリント回路基板１０の放射導体板側の全面グラ
ンドパターン、１４は高周波部アンテナ入出力端子に配
線パターンを介して接続され、無線信号（高周波信号）
を放射導体板８に給電する給電導体部、１６はプリント
回路基板１０の表面に実装されるとともに無線アダプタ
の電源であるリチウム電池である。さらに図３に示すよ
うに前記プリント回路基板１０に実装された無線機基板
を樹脂製筐体に内蔵し無線アダプタ子機２として構成
し、ガスメータ１の前面に取り付け接続して構成する。In FIG. 2, reference numeral 8 denotes a radiation conductor plate forming a radiation element of a plate antenna, 10 denotes a printed circuit board on which a control circuit of a wireless adapter is mounted, and 11 denotes one end connected to the radiation conductor plate 8. A short-circuit conductor 12 connected to the entire ground of the printed circuit board 10 on the radiation conductor plate side;
Is a ground pattern on the entire surface of the printed circuit board 10 on the radiation conductor plate side, and 14 is a radio signal (high frequency signal) connected to the high frequency unit antenna input / output terminal via a wiring pattern.
The power supply conductor 16 supplies power to the radiation conductor plate 8, and a lithium battery 16 mounted on the surface of the printed circuit board 10 and serving as a power supply for the wireless adapter. Further, as shown in FIG. 3, a wireless device board mounted on the printed circuit board 10 is built in a resin housing to constitute a wireless adapter slave unit 2, which is attached to and connected to the front of the gas meter 1.
【００４２】次に構成、動作及び作用について説明する
と、図２における板状アンテナにおいて放射導体板８は
端部に短絡導体１１と給電導体部１４を１枚の導体板に
より形成し、前記放射導体板８に対して短絡導体１１及
び給電導体部１４は垂直に折り曲げて構成している。Next, the structure, operation and action will be described. In the plate antenna shown in FIG. 2, the radiation conductor plate 8 has a short-circuit conductor 11 and a feed conductor portion 14 formed at one end by a single conductor plate. The short-circuit conductor 11 and the power supply conductor 14 are bent perpendicularly to the plate 8.
【００４３】さらに短絡導体１１と給電導体部１４が一
体として成型加工されている放射導体板８とプリント回
路基板１０の放射導体板８側前記片面全面グランド１２
とで板状アンテナを形成している。またプリント回路基
板１０上には無線機の電源であるリチウム電池１６も実
装されている構成である。そして前記プリント回路基板
１０上に形成された無線機を樹脂製筐体に内蔵し、無線
アダプタ子機２または無線アダプタ親機３としてそれぞ
れガスメータ１または家屋壁面５などに取り付ける。Further, the radiation conductor plate 8 in which the short-circuit conductor 11 and the power supply conductor portion 14 are integrally formed and the radiation conductor plate 8 side of the printed circuit board 10 on the one-side entire surface ground 12
And form a plate antenna. Further, on the printed circuit board 10, a lithium battery 16 which is a power supply of the wireless device is mounted. Then, the wireless device formed on the printed circuit board 10 is built in a resin housing, and attached to the gas meter 1 or the house wall 5 as the wireless adapter slave device 2 or the wireless adapter master device 3, respectively.
【００４４】また放射導体板８には利得を向上するため
高導電率材料である銅を使用した構成である。The radiation conductor plate 8 has a structure using copper, which is a high conductivity material, in order to improve the gain.
【００４５】このような構成によれば、前記放射導体板
８とプリント回路基板１０の放射導体板８側前記片面全
面グランド１２とで板状逆Ｆアンテナを構成することが
出来る。According to such a configuration, a plate-shaped inverted-F antenna can be constituted by the radiating conductor plate 8 and the ground 12 on the entire surface of the printed circuit board 10 on the radiating conductor plate 8 side.
【００４６】なお、本実施例はガスメータの無線自動検
針システムの無線アダプタを使用して説明したが、他の
設備機器等の無線システムに使用される無線機でも良
い。Although the present embodiment has been described using the wireless adapter of the wireless automatic meter reading system of the gas meter, a wireless device used in a wireless system of other equipment or the like may be used.
【００４７】なお放射導体板８の構成材料はアルミなど
の他の高導電材料を使用しても同様に利得を向上させる
ことができ、またベース金属板上に高導電率の材料をメ
ッキすることによっても利得向上させることができる。
また導体板の表面に樹脂やメッキなどで表面をコーティ
ングして構成しても構わない。また接続用パターン１２
はプリント回路基板１０のグランドパターンで構成して
もよく、グランド面積が大きくなることで利得が大きく
なり、帯域幅が広くなる。さらに放射導体板８は放射導
体板の実効周囲長を短くするためにスリットを設けても
構わない。さらに接地導体板９の端部は垂直に折り曲げ
なくても同様の効果がある。It is to be noted that the gain can be similarly improved by using another highly conductive material such as aluminum as a constituent material of the radiation conductor plate 8, and a high conductivity material is plated on the base metal plate. Can also improve the gain.
Further, the surface of the conductive plate may be coated with a resin, plating, or the like. The connection pattern 12
May be constituted by the ground pattern of the printed circuit board 10. The gain is increased by increasing the ground area, and the bandwidth is increased. Further, the radiation conductor plate 8 may be provided with a slit in order to shorten the effective circumference of the radiation conductor plate. Further, the same effect can be obtained even if the end of the ground conductor plate 9 is not bent vertically.
【００４８】このような構成にすれば、簡単な構成で板
状逆Ｆアンテナを実現する事が出来る。With this configuration, a plate-shaped inverted-F antenna can be realized with a simple configuration.
【００４９】また本実施例の構成は以下のどの実施例に
おいても適用できると共に同様の効果がある。The structure of this embodiment can be applied to any of the following embodiments and has the same effects.
【００５０】（実施例２）図４は本発明の実施例２おけ
る構成図である。(Embodiment 2) FIG. 4 is a block diagram of Embodiment 2 of the present invention.
【００５１】図４において前記実施例と同一の構成要素
については同一番号を付しているので説明は省略する。
図４において、２０は自立構造を持つ放射導体板であ
る。In FIG. 4, the same components as those of the above embodiment are denoted by the same reference numerals, and the description is omitted.
In FIG. 4, reference numeral 20 denotes a radiation conductor plate having a self-standing structure.
【００５２】このような構成によれば、放射導体板とプ
リント回路基板の全面グランドとの間にあり、放射導体
板を支えていた樹脂性固定具を削減する事が出来、部品
数を削減する事が出来る。According to such a configuration, the number of the resin fixing members which are provided between the radiation conductor plate and the entire ground of the printed circuit board and support the radiation conductor plate can be reduced, and the number of parts can be reduced. I can do things.
【００５３】（実施例３）図５は本発明の実施例３にお
ける基板実装形板状アンテナの構成図である。(Embodiment 3) FIG. 5 is a configuration diagram of a board-mounted plate antenna according to Embodiment 3 of the present invention.
【００５４】本実施例はプリント基板上の放射導体板設
置側ある高周波部品部シールド用の接地シールド板を設
けたことに関して実施例１、２とは異なる。This embodiment is different from the first and second embodiments in that a ground shield plate for shielding a high-frequency component on the side of the radiation conductor plate on the printed circuit board is provided.
【００５５】図５において、前記説明と同様の構成要素
については同一番号を付しているので説明は省略する。
図５において、２１は接地シールド板である。In FIG. 5, the same components as those described above are given the same reference numerals and will not be described.
In FIG. 5, reference numeral 21 denotes a ground shield plate.
【００５６】次に構成及び作用について説明すると、板
状アンテナの接地シールド板２１は、プリント基板上に
接地された高周波回路部をシールドする為と、アンテナ
地板としても働き、作用としては、高周波部のシールド
効果とアンテナ地板との両方の効果がある。Next, the structure and operation will be described. The ground shield plate 21 of the plate antenna serves to shield the high-frequency circuit portion grounded on the printed circuit board and also functions as the antenna ground plate. This has both the shielding effect and the antenna ground plane effect.
【００５７】（実施例４）図６は本発明の実施例４にお
ける基板実装形板状アンテナの構成図である。本実施例
は、放射導体板２２がリチウム電池の本数を２本から１
本に削減し、これより放射導体板２２を拡大した事が実
施例１、２、３とは異なる。(Embodiment 4) FIG. 6 is a configuration diagram of a board-mounted plate antenna according to Embodiment 4 of the present invention. In this embodiment, the radiation conductor plate 22 reduces the number of lithium batteries from two to one.
This embodiment is different from the first, second and third embodiments in that the number of the radiating conductor plates 22 is increased and the radiation conductor plate 22 is enlarged.
【００５８】図６において、前記実施例と同様の構成要
素については同一の番号を付しているので説明を省略す
る。図６において、２１は放射導体板（拡大版）であ
る。In FIG. 6, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. In FIG. 6, reference numeral 21 denotes a radiation conductor plate (enlarged version).
【００５９】本実施例の板状アンテナは、実施例１、
２、３とは異なり、２２は電池を２本から１本に削減す
る事で広がった領域に放射導体板を拡大するという構成
をしている。The plate antenna of this embodiment is the same as that of the first embodiment,
Unlike 2 and 3, 22 is configured to reduce the number of batteries from two to one so that the radiation conductor plate is expanded in a widened area.
【００６０】このような構成によれば、放射導体板（拡
大版）２２により、アンテナ特性（帯域幅、アンテナ利
得等）を改善する事が出来る。According to such a configuration, antenna characteristics (bandwidth, antenna gain, etc.) can be improved by the radiation conductor plate (enlarged version) 22.
【００６１】（実施例５）図７は本発明の実施例５にお
ける基板実装形板状アンテナの構成図である。本実施例
は接地導体板９が電池ぎりぎりまで広くし、かつ絞り加
工無して構成されていることが実施例１、２、３、４と
は異なる。(Embodiment 5) FIG. 7 is a structural view of a board-mounted plate antenna according to Embodiment 5 of the present invention. The present embodiment is different from the first, second, third and fourth embodiments in that the grounding conductor plate 9 is configured to be as wide as the last of the battery and without drawing.
【００６２】図７において、前記実施例と同様の構成要
素については同一の番号を付しているので説明を省略す
る。図７において、９は放射導体板である。In FIG. 7, the same components as those in the above embodiment are denoted by the same reference numerals, and the description thereof will be omitted. In FIG. 7, reference numeral 9 denotes a radiation conductor plate.
【００６３】本実施例の板状アンテナは、実施例１、
２、３、４とは異なり、接地導体板９は電池を２本から
１本にする事により広がったスペースに出来るだけ広く
なるように構成されている。The plate antenna of this embodiment is the same as that of the first embodiment,
Unlike 2, 3, and 4, the ground conductor plate 9 is configured to have as much space as possible by increasing the number of batteries from two to one.
【００６４】この様な構成にすれば、接地導体板９の構
成を絞り加工無しに実現する事が出来、部品作成コス
ト、及び金型コストを削減する事が出来る。With such a configuration, the configuration of the grounding conductor plate 9 can be realized without drawing, and the cost of part production and the cost of the die can be reduced.
【００６５】（実施例６）図８は本発明の実施例６にお
ける基板実装形板状アンテナの構成図である。本実施例
は放射導体板２４が自立型の構成をしていることと接地
導体板２４が放射導体板２４（自立型）の足挿入用の穴
を設けていることが実施例１、２、３、４、５とは異な
る。(Embodiment 6) FIG. 8 is a configuration diagram of a board-mounted plate antenna according to Embodiment 6 of the present invention. In this embodiment, the radiation conductor plate 24 is of a self-standing type, and the ground conductor plate 24 is provided with holes for the foot insertion of the radiation conductor plate 24 (self-standing). 3, 4, and 5.
【００６６】図８において、前記実施例と同様の構成要
素については同一の番号を付しているので説明を省略す
る。図８において、２４は自立型放射導体板で、２５が
穴付き接地導体板である。In FIG. 8, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. In FIG. 8, reference numeral 24 denotes a self-supporting radiation conductor plate, and reference numeral 25 denotes a grounded conductor plate with holes.
【００６７】本実施例の板状アンテナは、実施例１、
２、３、４、５とは異なり、放射導体板２４と接地導体
板２５とで構成される板状逆Ｆアンテナであるにもかか
わらず、放射導体板が自立型である為、樹脂製固定具１
５を削減する事が出来る。The plate antenna of this embodiment is the same as that of the first embodiment,
Unlike 2, 3, 4, and 5, although the radiating conductor plate is a self-standing type despite being a plate-shaped inverted-F antenna composed of the radiating conductor plate 24 and the grounding conductor plate 25, it is fixed by resin. Tool 1
5 can be reduced.
【００６８】（実施例７）図９は本発明の実施例７にお
ける基板実装形板状アンテナ構成図である。本実施例は
放射導体板２６が周辺部分に折り曲げ加工を施したこと
が実施例１、２、３、４、５、６とは異なる。(Embodiment 7) FIG. 9 is a diagram showing the configuration of a board-mounted plate antenna according to Embodiment 7 of the present invention. This embodiment is different from the first, second, third, fourth, fifth and sixth embodiments in that the radiation conductor plate 26 is bent at the peripheral portion.
【００６９】図９において、前記実施例と同様の構成要
素については同一の番号を付しているので説明を省略す
る。図９において、２６は放射導体板（周辺部折り曲げ
加工品）である。In FIG. 9, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. In FIG. 9, reference numeral 26 denotes a radiation conductor plate (a peripheral bent product).
【００７０】本実施例の板状アンテナは、実施例１、
２、３、４、５、６とは異なり、放射導体板２６の周辺
部が折り曲げ加工を施している為、天面の反り、曲がり
に対して強い。The plate antenna of this embodiment is the same as that of the first embodiment,
Unlike 2, 3, 4, 5, and 6, the periphery of the radiation conductor plate 26 is bent, so that the top surface is resistant to warpage and bending.
【００７１】このような構成によれば、放射導体板の反
り、曲げに強くなる為、部品の歩留まりが向上する。According to such a configuration, the radiation conductor plate is resistant to warping and bending, and the yield of components is improved.
【００７２】（実施例８）図１０は本発明の実施例８に
おける基板実装形板状アンテナ構造図である。本実施例
は放射導体板が線状の凸部あるいは凹部を持つことが実
施例１、２、３、４、５、６、７とは異なる。(Eighth Embodiment) FIG. 10 is a structural view of a board-mounted plate antenna according to an eighth embodiment of the present invention. This embodiment is different from the first, second, third, fourth, fifth, sixth and seventh embodiments in that the radiation conductor plate has a linear convex or concave portion.
【００７３】図１０において、前記実施例と同様の構成
要素については同一の番号を付しているので説明を省略
する。図１０において、２７は放射導体板（凹部付き）
である。In FIG. 10, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. In FIG. 10, 27 is a radiation conductor plate (with a concave portion).
It is.
【００７４】本実施例の板状アンテナは、実施例１、
２、３、４、５、６とは異なり、放射導体板が線状の凸
部あるいは凹部を持つことで、放射導体板が天面の反
り、変形に対して強い為、反り、によるアンテナ特性の
変化が少なく、これより放射導体板の歩留まりもよくな
り、経年変形によるアンテナ特性の変化も削減される。The plate antenna of this embodiment is the same as that of the first embodiment,
Unlike 2, 3, 4, 5, and 6, the radiation conductor plate has a linear convex or concave portion, so that the radiation conductor plate is strong against warpage and deformation of the top surface, so that the antenna characteristics due to warpage. , The yield of the radiation conductor plate is improved, and the change in antenna characteristics due to aging is reduced.
【００７５】（実施例９）図１１は本発明の実施例９に
おける基板実装形板状アンテナ構造図である。本実施例
は放射導体板２８が筐体取付け仕様である事、短絡導体
２９が自立仕様であること、給電導体部３０が自立仕様
である事が実施例１、２、３、４、５、６、７とは異な
る。(Embodiment 9) FIG. 11 is a structural view of a board-mounted plate antenna according to Embodiment 9 of the present invention. In this embodiment, the radiation conductor plate 28 is of a housing mounting type, the short-circuit conductor 29 is of a self-standing type, and the feeding conductor 30 is of a self-standing type. 6 and 7.
【００７６】図１１において、前記実施例と同様の構成
要素については同一の番号を付しているので説明を省略
する。図１０において、２８は放射導体板（筐体取付け
仕様）、２９は短絡導体（自立仕様）、３０は給電導体
部（自立仕様）である。In FIG. 11, the same components as those in the above embodiment are denoted by the same reference numerals, and the description is omitted. In FIG. 10, reference numeral 28 denotes a radiation conductor plate (housing mounting specification), reference numeral 29 denotes a short-circuit conductor (self-supporting specification), and reference numeral 30 denotes a power supply conductor portion (self-supporting specification).
【００７７】本実施例の板状アンテナは、実施例１、
２、３、４、５、６とは異なり、放射導体板２８は筐体
取付け仕様のため、自立の為の樹脂製固定愚具１５や自
立の為の足等が必要内ので部品削減、工数の削減が図れ
る。また、放射導体板を筐体に張りつける為、そりや変
形が発生しにくい。The plate antenna of this embodiment is the same as that of the first embodiment,
Unlike 2, 3, 4, 5, and 6, the radiation conductor plate 28 has a housing mounting specification, and requires a resin fixing tool 15 for self-supporting and feet for self-supporting. Can be reduced. In addition, since the radiation conductor plate is attached to the housing, warpage and deformation hardly occur.
【００７８】（実施例１０）図１２は本発明の実施例１
０における基板実装形板状アンテナ構造図である。本実
施例は無線アダプタ筐体３２が放射導体板を挿入する溝
を持つことが実施例１、２、３、４、５、６、７とは異
なる。(Embodiment 10) FIG. 12 shows Embodiment 1 of the present invention.
FIG. 2 is a structural diagram of a board-mounted plate antenna at 0. This embodiment is different from the first, second, third, fourth, fifth, sixth and seventh embodiments in that the wireless adapter housing 32 has a groove into which the radiation conductor plate is inserted.
【００７９】図１２において、前記実施例と同様の構成
要素については同一の番号を付しているので説明を省略
する。図１０において、３２は無線アダプタ筐体（放射
導体板挿入溝付き）である。In FIG. 12, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. In FIG. 10, reference numeral 32 denotes a wireless adapter housing (with a radiation conductor plate insertion groove).
【００８０】本実施例の無線アダプタ筐体は、実施例
１、２、３、４、５、６とは異なり、放射導体板の挿入
溝がついている。このため、自立の為の樹脂製固定愚具
１５や自立の為の足等が必要内ので部品削減、工数の削
減が図れる。また、放射導体板８と、短絡導体１１と、
給電導体部１４とは一体形成の為、これら３部品が接触
による接続している場合より接続が確実である。The wireless adapter housing of this embodiment is different from the first, second, third, fourth, fifth and sixth embodiments in that a radiation conductor plate insertion groove is provided. For this reason, it is necessary to provide the resin fixing tool 15 for self-supporting and the feet and the like for self-supporting, so that it is possible to reduce parts and man-hours. Further, the radiation conductor plate 8, the short-circuit conductor 11,
Since it is integrally formed with the power supply conductor 14, the connection is more reliable than when these three parts are connected by contact.
【００８１】（実施例１１）図１３は本発明の実施例１
１における基板実装形板状アンテナ構造図である。本実
施例は無線アダプタ筐体３１に補助放射導体板３３を貼
りつけることが実施例１、２、３、４、５、６、７、
８、９、１０とは異なる。(Embodiment 11) FIG. 13 shows Embodiment 1 of the present invention.
1 is a structural diagram of a board-mounted plate antenna in FIG. In the present embodiment, the auxiliary radiation conductor plate 33 is attached to the wireless adapter housing 31 in the first, second, third, fourth, fifth, sixth, seventh, and seventh embodiment.
8, 9 and 10 are different.
【００８２】図１３において、前記実施例と同様の構成
要素については同一の番号を付しているので説明を省略
する。図１３において、３３は補助放射導体板である。
本実施例の無線アダプタ筐体は、実施例１、２、３、
４、５、６、７、８、９、１０とは異なり、補助放射導
体板３３がついている。このため、無線アダプタの電波
放射指向特性が全面に強く放射するように変化させる事
が出来る。In FIG. 13, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. In FIG. 13, reference numeral 33 denotes an auxiliary radiation conductor plate.
The wireless adapter housing according to the present embodiment includes the first, second, third, and fifth embodiments.
Unlike 4, 5, 6, 7, 8, 9, and 10, an auxiliary radiation conductor plate 33 is provided. For this reason, it is possible to change the radio wave radiation directivity characteristics of the wireless adapter so as to radiate strongly over the entire surface.
【００８３】（実施例１２）図１４は本発明の実施例１
２における基板実装形板状アンテナ構造図である。本実
施例は接地シールド板２１の内側に高周波部接地シール
ド板３４を設けることが実施例１、２、３、４、５、
６、７、８、９、１０、１１とは異なる。Embodiment 12 FIG. 14 shows Embodiment 1 of the present invention.
FIG. 3 is a structural diagram of a board-mounted plate antenna in FIG. In the present embodiment, the high frequency unit ground shield plate 34 is provided inside the ground shield plate 21 in the first, second, third, fourth, fifth, and fifth embodiments.
6, 7, 8, 9, 10, 11 are different.
【００８４】図１４において、前記実施例と同様の構成
要素については同一の番号を付しているので説明を省略
する。図１４において、３４は高周波接地シールド板で
ある。In FIG. 14, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. In FIG. 14, reference numeral 34 denotes a high-frequency ground shield plate.
【００８５】本実施例の無線アダプタ筐体は、実施例
１、２、３、４、５、６、７、８、９、１０、１１とは
異なり、高周波接地シールド板３４がついている。The wireless adapter housing of this embodiment is different from the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth and eleventh embodiments in that a radio frequency ground shield plate 34 is provided.
【００８６】このため、電波を放射する場合、接地シー
ルド板２１と高周波接地シールド板３４との２重構造に
より、放射電波の高周波回路部への影響を低減する事が
出来る。Therefore, when radiating radio waves, the double structure of the ground shield plate 21 and the high-frequency ground shield plate 34 can reduce the influence of the radiated radio waves on the high-frequency circuit.
【００８７】（実施例１３）図１５は本発明の実施例１
３における基板実装形板状アンテナ構造図である。本実
施例は放射導体板３５が自立構成で、かつ一体成形型で
ある事が実施例１、２、３、４、５、６、７、８、９、
１０、１１、１２とは異なる。(Embodiment 13) FIG. 15 shows Embodiment 1 of the present invention.
FIG. 3 is a structural diagram of a board-mounted plate antenna in 3. In the present embodiment, the radiation conductor plate 35 has a self-standing configuration and is an integral molding type.
It is different from 10, 11, and 12.
【００８８】図１５において、前記実施例と同様の構成
要素については同一の番号を付しているので説明を省略
する。図１５において、３５は放射導体板（自立構成、
一体成形型）である。In FIG. 15, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. In FIG. 15, reference numeral 35 denotes a radiation conductor plate (self-standing configuration,
(Integral molding type).
【００８９】本実施例の無線アダプタ筐体は、実施例
１、２、３、４、５、６、７、８、９、１０、１１、１
２とは異なり、放射導体板（自立構成、一体成形型）３
５がついている。The wireless adapter housing of this embodiment is the same as that of the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh,
Unlike 2, the radiation conductor plate (self-standing configuration, integral molding type) 3
5 is attached.
【００９０】このため、放射導体板を作成する場合、放
射導体板を一枚板打ちぬきで作る事が出来部品作成工
数、歩留まりが向上し、電波放射特性も安定させる事が
出来る。For this reason, when a radiation conductor plate is produced, a single radiation conductor plate can be produced by punching out a single plate, thereby improving the man-hours for producing parts and the yield, and stabilizing the radio wave radiation characteristics.
【００９１】[0091]
【発明の効果】以上説明したように本発明の基板実装形
板状アンテナは、放射導体板とプリント回路基板の放射
導体板側の片面全面グランドとで板状逆Ｆアンテナを構
成している為、アンテナのグランド面積が大きくできる
ことで利得が大きくなり、帯域幅も広くなる。As described above, in the board-mounted plate antenna of the present invention, the plate-shaped inverted-F antenna is constituted by the radiation conductor plate and the ground on the entire surface of the printed circuit board on the radiation conductor plate side. Since the ground area of the antenna can be increased, the gain increases and the bandwidth also increases.
【００９２】また、放射導体板に自立構造を持たせる事
で、放射導体板を支えていた樹脂性固定具を削減する事
が出来、部品数を削減する事が出来る。Further, by providing the radiation conductor plate with a self-standing structure, it is possible to reduce the number of resin fixtures supporting the radiation conductor plate and the number of parts.
【００９３】また、板状アンテナの接地シールド板を設
ける事で、高周波部のシールド効果とアンテナ地板との
両方の効果を持たせる事が出来る。Further, by providing the ground shield plate of the plate antenna, it is possible to provide both the shielding effect of the high frequency part and the antenna base plate.
【００９４】また、電池を２本から１本に削減する事で
広がった領域に放射導体板を拡大させる事が出来、アン
テナ特性（帯域幅、アンテナ利得等）を改善する事が出
来る。Also, by reducing the number of batteries from two to one, the radiation conductor plate can be expanded to a widened area, and the antenna characteristics (bandwidth, antenna gain, etc.) can be improved.
【００９５】また、接地導体板が電池ぎりぎりまで広く
し、かつ絞り加工無して構成しているため、接地導体板
の部品作成コスト、及び金型コストを削減する事が出来
る。Further, since the grounding conductor plate is configured to be as wide as possible to the limit of the battery and is not drawn, it is possible to reduce the cost of forming the parts of the grounding conductor plate and the cost of the mold.
【００９６】また放射導体板が自立型の構成をしている
ことと接地導体板が放射導体板（自立型）の足挿入用の
穴を設けている。このため、放射導体板と接地導体板と
で構成される板状逆Ｆアンテナであるにもかかわらず、
放射導体板が自立型である為、樹脂製固定具を削減する
事が出来る。The radiation conductor plate is of a self-standing type, and the ground conductor plate is provided with a hole for inserting a foot of the radiation conductor plate (self-standing). For this reason, despite being a plate-shaped inverted-F antenna composed of a radiation conductor plate and a ground conductor plate,
Since the radiation conductor plate is a self-supporting type, the number of resin fixtures can be reduced.
【００９７】また放射導体板が周辺部分に折り曲げ加工
を施しているため、放射導体板の反り、曲げに強くなる
為、部品の歩留まりが向上する。Since the radiation conductor plate is bent at the peripheral portion, the radiation conductor plate is resistant to warping and bending, and the yield of parts is improved.
【００９８】また、放射導体板が線状の凸部あるいは凹
部を持つため、放射導体板が天面の反り、変形に対して
強い為、反り、によるアンテナ特性の変化が少なく、こ
れより放射導体板の歩留まりもよくなり、経年変形によ
るアンテナ特性の変化も削減される。Further, since the radiation conductor plate has a linear convex or concave portion, the radiation conductor plate is strong against warpage and deformation of the top surface, so that there is little change in antenna characteristics due to warpage. The yield of the plate is improved, and changes in antenna characteristics due to aging are reduced.
【００９９】また、放射導体板が筐体取付け仕様である
ため、自立の為の樹脂製固定愚具や自立の為の足等が必
要内ので部品削減、工数の削減が図れる。また、放射導
体板を筐体に張りつける為、そりや変形が発生しにく
い。Further, since the radiation conductor plate is of a housing mounting type, it is possible to reduce the number of parts and the number of man-hours since a resin fixing tool for self-supporting, a foot for self-supporting, and the like are required. In addition, since the radiation conductor plate is attached to the housing, warpage and deformation hardly occur.
【０１００】また、無線アダプタ筐体が放射導体板を挿
入する溝を持つため、放射導体版の自立の為の樹脂製固
定愚具や自立の為の足等が必要内ので部品削減、工数の
削減が図れる。Also, since the wireless adapter housing has a groove for inserting the radiation conductor plate, a resin fixing tool for self-supporting the radiation conductor plate and feet for self-support are required. Reduction can be achieved.
【０１０１】また、無線アダプタ筐体に補助放射導体板
を貼りつけるため、無線アダプタの電波放射指向特性が
全面に強く放射するように変化させる事が出来る。Further, since the auxiliary radiation conductor plate is attached to the wireless adapter housing, the radio wave radiation directivity characteristics of the wireless adapter can be changed so as to radiate strongly over the entire surface.
【０１０２】また、接地シールド板の内側に高周波部接
地シールド板を設けるため、接地シールド板と高周波接
地シールド板との２重構造により、放射電波の高周波回
路部への影響を低減する事が出来る。Further, since the high-frequency ground shield plate is provided inside the ground shield plate, the dual structure of the ground shield plate and the high-frequency ground shield plate can reduce the influence of the radiated radio wave on the high-frequency circuit portion. .
【０１０３】また、放射導体板が自立構成で、かつ一体
成形型であるこのため、放射導体板を一枚板打ちぬきで
作る事が出来部品作成工数、歩留まりが向上し、電波放
射特性も安定させる事が出来る。Further, since the radiation conductor plate is of a self-standing structure and is of an integral molding type, the radiation conductor plate can be formed by punching out a single plate, thereby improving the man-hours for manufacturing parts, the yield, and stabilizing the radio wave radiation characteristics. I can do it.
【図１】無線ガス自動検針システムのシステム構成図FIG. 1 is a system configuration diagram of a wireless gas automatic meter reading system.
【図２】本発明の実施例１における基板実装形板状アン
テナの構成図FIG. 2 is a configuration diagram of a board-mounted plate antenna according to the first embodiment of the present invention.
【図３】同板状アンテナを内蔵した無線アダプタのガス
メータへの取り付け状態を示す図FIG. 3 is a diagram showing a state in which a wireless adapter incorporating the plate antenna is attached to a gas meter.
【図４】本発明の実施例２における基板実装形板状アン
テナの構成図FIG. 4 is a configuration diagram of a board-mounted plate antenna according to a second embodiment of the present invention.
【図５】本発明の実施例３における基板実装形板状アン
テナの構成図FIG. 5 is a configuration diagram of a board-mounted plate antenna according to a third embodiment of the present invention.
【図６】本発明の実施例４における基板実装形板状アン
テナの構成図FIG. 6 is a configuration diagram of a board-mounted plate antenna according to a fourth embodiment of the present invention.
【図７】本発明の実施例５における基板実装形板状アン
テナの構成図FIG. 7 is a configuration diagram of a board-mounted plate antenna according to a fifth embodiment of the present invention.
【図８】本発明の実施例６における基板実装形板状アン
テナの構成図FIG. 8 is a configuration diagram of a board-mounted plate antenna according to a sixth embodiment of the present invention.
【図９】本発明の実施例７における基板実装形板状アン
テナの構成図FIG. 9 is a configuration diagram of a board-mounted plate antenna according to a seventh embodiment of the present invention.
【図１０】本発明の実施例８における基板実装形板状ア
ンテナの構成図FIG. 10 is a configuration diagram of a board-mounted plate antenna according to an eighth embodiment of the present invention.
【図１１】（ａ）本発明の実施例９における基板実装形
板状アンテナの取付け状態を示す図 （ｂ）同アンテナのＡ−Ａ’断面図 （ｃ）同アンテナ内部の×部拡大図11 (a) is a diagram showing a mounting state of a board-mounted plate-shaped antenna according to a ninth embodiment of the present invention. (B) AA ′ cross-sectional view of the antenna.
【図１２】（ａ）本発明の実施例１０における基板実装
形板状アンテナの取付け状態を示す図 （ｂ）同アンテナのＢ−Ｂ’断面図 （ｃ）同アンテナのＣ−Ｃ’断面図FIG. 12 (a) is a diagram showing a mounting state of a board-mounted plate-shaped antenna according to a tenth embodiment of the present invention; (b) a sectional view taken along line BB 'of the antenna;
【図１３】本発明の実施例１１における基板実装形板状
アンテナの構成図FIG. 13 is a configuration diagram of a board-mounted plate antenna according to an eleventh embodiment of the present invention.
【図１４】本発明の実施例１２における基板実装形板状
アンテナの構成図FIG. 14 is a configuration diagram of a board-mounted plate antenna according to a twelfth embodiment of the present invention.
【図１５】（ａ）本発明の実施例１３における基板実装
形板状アンテナの構成図 （ｂ）同アンテナの放射導体板の脚部が折り曲げられる
前（打ち抜き直後）の状態を示す平面図15A is a configuration diagram of a board-mounted plate-shaped antenna according to a thirteenth embodiment of the present invention. FIG. 15B is a plan view showing a state before the legs of the radiation conductor plate of the antenna are bent (immediately after punching).
【図１６】（ａ）従来の携帯無線機における逆Ｆアンテ
ナの実装構成を示す正面図 （ｂ）同側面図16A is a front view showing a mounting configuration of an inverted F antenna in a conventional portable wireless device. FIG. 16B is a side view of the same.
８ 放射導体板 １０ プリント回路基板 １１ 短絡導体 １２ 接続用パターン １４ 給電導体部 １５ 樹脂製固定具 ２０ 放射導体板（自立構成型） ２１ 接地シールド板 ２２ 放射導体板（拡大版） ２３ 接地導体板 ２４ 放射導体板（自立型） ２５ 接地導体板（穴付き） ２６ 放射導体板（周辺部折り曲げ加工品） ２７ 放射導体板（中央部凹部付き） ２８ 放射導体板（筐体取付け仕様） ２９ 短絡導体（自立仕様） ３０ 給電導体部（自立仕様） ３１ 無線アダプタ筐体 ３２ 無線アダプタ筐体（放射導体板挿入溝付き） ３３ 補助放射導体板 ３４ 高周波部接地シールド板 ３５ 放射導体板（自立構成、一体成形品） Reference Signs List 8 radiating conductor plate 10 printed circuit board 11 short-circuit conductor 12 connection pattern 14 power supply conductor portion 15 resin fixture 20 radiating conductor plate (self-standing configuration type) 21 ground shield plate 22 radiating conductor plate (enlarged version) 23 ground conductor plate 24 Radiating conductor plate (self-supporting type) 25 Grounding conductor plate (with hole) 26 Radiating conductor plate (peripherally bent product) 27 Radiating conductor plate (with central concave portion) 28 Radiating conductor plate (housing mounting specification) 29 Short-circuit conductor ( 30 Power supply conductor (self-supporting specification) 31 Wireless adapter housing 32 Wireless adapter housing (with radiation conductor plate insertion groove) 33 Auxiliary radiation conductor plate 34 High frequency part ground shield plate 35 Radiation conductor plate (self-supporting structure, integral molding) Goods)
───────────────────────────────────────────────────── フロントページの続き (72)発明者 伴 泰浩 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 Ｆターム(参考） 5J046 AA08 AA09 AA19 AB13 PA07 5J047 AA08 AA09 AA19 AB13 FD01 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Yasuhiro Ban 1006 Kazuma Kadoma, Kazuma, Osaka Matsushita Electric Industrial Co., Ltd. F-term (reference) 5J046 AA08 AA09 AA19 AB13 PA07 5J047 AA08 AA09 AA19 AB13 FD01
Claims (13)
路の配線パターン、他方の片面に接地導体パターンが形
成されたプリント回路基板と、前記接地導体パターンの
面に対向させた放射導体板と、前記放射導体板に一方の
端部を接続した短絡導体と、前記放射導体板に高周波信
号を供給する給電導体部を備え、前記短絡導体の他方の
端部及び前記接地導体板は前記プリント回路基板に接続
し、前記放射導体板に接続された前記短絡導体は接地導
体板に短絡される基板実装形板状アンテナ。1. A printed circuit board having a signal processing circuit portion and a wiring pattern of a high-frequency circuit on one side, and a grounding conductor pattern formed on the other side, and a radiation conductor plate facing the grounding conductor pattern. A short-circuit conductor having one end connected to the radiation conductor plate; and a power supply conductor for supplying a high-frequency signal to the radiation conductor plate. The other end of the short-circuit conductor and the ground conductor plate are connected to the printed circuit. A board-mounted plate antenna connected to a board, wherein the short-circuit conductor connected to the radiation conductor plate is short-circuited to a ground conductor plate.
路の配線パターン、他方の片面に接地導体パターンが形
成されたプリント回路基板と、前記接地導体パターンの
面に対向させた放射導体板と、前記放射導体板に一方の
端部を接続した短絡導体と、前記放射導体板に高周波信
号を供給する給電導体部を備え、前記短絡導体の他方の
端部及び前記接地導体板は前記プリント回路基板に接続
し、前記放射導体板に接続された前記短絡導体は接地導
体板に短絡され、前記放射導体板は前記短絡導体と前記
給電導体部に加えて、前記放射導体板が前記プリント回
路基板上で自立できるような導体を持つことを特徴とし
た基板実装形板状アンテナ。2. A printed circuit board having a signal processing circuit portion and a wiring pattern of a high-frequency circuit on one side, and a grounding conductor pattern formed on the other side, and a radiating conductor plate opposed to the grounding conductor pattern. A short-circuit conductor having one end connected to the radiation conductor plate; and a power supply conductor for supplying a high-frequency signal to the radiation conductor plate. The other end of the short-circuit conductor and the ground conductor plate are connected to the printed circuit. The short-circuit conductor connected to the board and connected to the radiation conductor plate is short-circuited to a ground conductor plate, and the radiation conductor plate is connected to the printed circuit board in addition to the short-circuit conductor and the power supply conductor portion. A board-mounted plate antenna characterized by having a conductor that can stand on its own.
ーンが形成され、前記信号処理回路部と前記高周波回路
は金属板でシールドされたプリント回路基板と、前記金
属板を、この接地導体板に対向させた放射導体板と、前
記放射導体板に一方の端部を接続した短絡導体と、前記
放射導体板に高周波信号を供給する給電導体部を備え、
前記短絡導体の他方の端部及び前記接地導体板は前記プ
リント回路基板に接続し、前記放射導体板に接続された
前記短絡導体は前記接地導体板に短絡される基板実装形
板状アンテナ。3. A printed circuit board on which a signal processing circuit portion and a wiring pattern of a high-frequency circuit are formed, wherein the signal processing circuit portion and the high-frequency circuit are shielded by a metal plate, and the metal plate is mounted on the ground conductor plate. A radiating conductor plate opposed thereto, a short-circuit conductor having one end connected to the radiating conductor plate, and a power supply conductor for supplying a high-frequency signal to the radiating conductor plate;
The other end of the short-circuit conductor and the ground conductor plate are connected to the printed circuit board, and the short-circuit conductor connected to the radiation conductor plate is short-circuited to the ground conductor plate.
せた放射導体板と配線パターンが形成され電池が接続さ
れたプリント回路基板と、前記放射導体板に一方の端部
を接続した短絡導体と、前記放射導体板に高周波信号を
供給する給電導体部を備え、前記短絡導体の他方の端部
は接地導体板に接続され、前記接地導体板はプリント回
路基板に接続され、前記放射導体は前記プリント回路基
板上に接続された電池本体からの距離と前記接地導体板
からの距離をほぼ等しくするようにしたことを特徴とす
る基板実装形板状アンテナ。4. A grounded conductor plate, a printed circuit board on which a radiating conductor plate facing the grounding conductor plate and a wiring pattern are formed and a battery is connected, and a short circuit having one end connected to the radiating conductor plate. A conductor and a power supply conductor for supplying a high-frequency signal to the radiation conductor plate; the other end of the short-circuit conductor is connected to a ground conductor plate; the ground conductor plate is connected to a printed circuit board; Wherein the distance from the battery body connected to the printed circuit board is substantially equal to the distance from the ground conductor plate.
せた放射導体板と配線パターンが形成され電池が接続さ
れたプリント回路基板と、前記放射導体板に一方の端部
を接続した短絡導体と、前記放射導体板に高周波信号を
供給する給電導体部を備え、前記短絡導体の他方の端部
は接地導体板に接続され、前記接地導体板はプリント回
路基板に接続され、前記放射導体と前記接地導体板とを
平行に接地させ、前記プリント回路基板上に接続された
電池本体をむき出しにしたことを特徴とする基板実装形
板状アンテナ。5. A grounded conductor plate, a printed circuit board on which a radiating conductor plate facing the grounding conductor plate and a wiring pattern are formed and a battery is connected, and a short circuit having one end connected to the radiating conductor plate. A conductor and a power supply conductor for supplying a high-frequency signal to the radiation conductor plate; the other end of the short-circuit conductor is connected to a ground conductor plate; the ground conductor plate is connected to a printed circuit board; And a ground conductor in parallel with the ground conductor plate, and a battery body connected to the printed circuit board is exposed, wherein the board-mounted plate antenna is exposed.
せた放射導体板と配線パターンが形成され電池が接続さ
れたプリント回路基板と、前記放射導体板に一方の端部
を接続した短絡導体と、前記放射導体板に高周波信号を
供給する給電導体部を備え、前記短絡導体の他方の端部
は接地導体板に接続され、前記接地導体板はプリント回
路基板に接続され、前記放射導体と前記接地導体板とを
平行に接地させ、前記プリント回路基板上に接続された
電池本体をむき出しにさせ、前記放射導体板は前記短絡
導体と前記給電導体部に加えて、この放射導体板がプリ
ント回路基板上で自立できるような導体を持つことを特
徴とした基板実装形板状アンテナ。6. A grounded conductor plate, a printed circuit board on which a radiating conductor plate facing the grounding conductor plate and a wiring pattern are formed and a battery is connected, and a short circuit having one end connected to the radiating conductor plate. A conductor and a power supply conductor for supplying a high-frequency signal to the radiation conductor plate; the other end of the short-circuit conductor is connected to a ground conductor plate; the ground conductor plate is connected to a printed circuit board; And the ground conductor plate are grounded in parallel, so that the battery body connected to the printed circuit board is exposed, and the radiation conductor plate has the radiation conductor plate in addition to the short-circuit conductor and the power supply conductor portion. A board mounted plate antenna characterized by having a conductor capable of standing on a printed circuit board.
せた放射導体板と配線パターンが形成され電池が接続さ
れたプリント回路基板と、前記放射導体板に一方の端部
を接続した短絡導体と、前記放射導体板に高周波信号を
供給する給電導体部を備え、前記短絡導体の他方の端部
は接地導体板に接続され、前記接地導体板はプリント回
路基板に接続され、前記放射導体は全部あるいは一部の
辺を折り曲げていることを特徴とする基板実装形板状ア
ンテナ。7. A printed circuit board to which a ground conductor plate, a radiation conductor plate facing the ground conductor plate and a wiring pattern are formed and a battery is connected, and a short-circuit having one end connected to the radiation conductor plate. A conductor and a power supply conductor for supplying a high-frequency signal to the radiation conductor plate; the other end of the short-circuit conductor is connected to a ground conductor plate; the ground conductor plate is connected to a printed circuit board; Is a board-mounted plate antenna characterized in that all or some of its sides are bent.
せた放射導体板と配線パターンが形成され電池が接続さ
れたプリント回路基板と、前記放射導体板に一方の端部
を接続した短絡導体と、前記放射導体板に高周波信号を
供給する給電導体部を備え、前記短絡導体の他方の端部
は接地導体板に接続され、前記接地導体板はプリント回
路基板に接続され、前記放射導体は線状の凸部あるいは
凹部を持つ事を特徴とする基板実装形板状アンテナ。8. A grounded conductor plate, a printed circuit board on which a battery is connected with a radiation conductor plate facing the ground conductor plate and a wiring pattern is formed, and a short circuit having one end connected to the radiation conductor plate. A conductor and a power supply conductor for supplying a high-frequency signal to the radiation conductor plate; the other end of the short-circuit conductor is connected to a ground conductor plate; the ground conductor plate is connected to a printed circuit board; Is a board mounted plate antenna characterized by having a linear convex or concave portion.
せた放射導体板と配線パターンが形成され電池が接続さ
れたプリント回路基板と、前記放射導体板に一方の端部
を接続した短絡導体と、前記放射導体板に高周波信号を
供給する給電導体部と前記接地導体板、前記放射導体
板、前記プリント回路基板、前記短絡導体、前記給電導
体部を収納する筐体を備え、前記筐体の内側に前記放射
導体板を設置し、前記放射導体板と前記短絡導体、前記
給電導体部との接続は接触でおこなうことを特徴とする
基板実装形板状アンテナ。9. A printed circuit board to which a battery is connected with a ground conductor plate, a radiation conductor plate facing the ground conductor plate and a wiring pattern formed thereon, and a short circuit having one end connected to the radiation conductor plate. A housing for accommodating a conductor, a power supply conductor portion for supplying a high-frequency signal to the radiation conductor plate and the ground conductor plate, the radiation conductor plate, the printed circuit board, the short-circuit conductor, and the power supply conductor portion; A board mounted plate antenna, wherein the radiation conductor plate is installed inside a body, and the radiation conductor plate is connected to the short-circuit conductor and the feed conductor portion by contact.
させた放射導体板と配線パターンが形成され電池が接続
されたプリント回路基板と、前記放射導体板に一方の端
部を接続した短絡導体と、前記放射導体板に高周波信号
を供給する給電導体部と前記接地導体板、前記放射導体
板、前記プリント回路基板、前記短絡導体、前記給電導
体部を収納する筐体を備え、前記筐体の内側に前記放射
導体板をはめ込めるようにガイド溝を設置した特徴とす
る基板実装形板状アンテナ。10. A grounded conductor plate, a printed circuit board on which a radiating conductor plate facing the grounding conductor plate and a wiring pattern are formed and a battery is connected, and a short circuit having one end connected to the radiating conductor plate. A housing for accommodating a conductor, a power supply conductor portion for supplying a high-frequency signal to the radiation conductor plate and the ground conductor plate, the radiation conductor plate, the printed circuit board, the short-circuit conductor, and the power supply conductor portion; A board mounted plate antenna, wherein a guide groove is provided so that the radiation conductor plate can be fitted inside the body.
させた放射導体板と配線パターンが形成され電池が接続
されたプリント回路基板と、前記放射導体板に一方の端
部を接続した短絡導体と、前記放射導体板に高周波信号
を供給する給電導体部と前記接地導体板、前記放射導体
板、前記プリント回路基板、前記短絡導体、前記給電導
体部を収納する筐体を備え、前記筐体の表面に金属シー
ルを貼り、アンテナ指向性を変化させたこと特徴とする
基板実装形板状アンテナ。11. A grounded conductor plate, a printed circuit board on which a radiating conductor plate facing the grounding conductor plate and a wiring pattern are formed and a battery is connected, and a short circuit having one end connected to the radiating conductor plate. A housing for accommodating a conductor, a power supply conductor portion for supplying a high-frequency signal to the radiation conductor plate and the ground conductor plate, the radiation conductor plate, the printed circuit board, the short-circuit conductor, and the power supply conductor portion; A board mounted plate antenna characterized by changing the antenna directivity by attaching a metal seal to the surface of the body.
させた放射導体板と配線パターンが形成され電池が接続
されたプリント回路基板と、前記放射導体板に一方の端
部を接続した短絡導体と、前記放射導体板に高周波信号
を供給する給電導体部と前記接地導体板、前記放射導体
板、前記プリント回路基板、前記短絡導体、前記給電導
体部を収納する筐体を備え、前記接地導体板の内側に絶
縁金属板を備えたこと特徴とする基板実装形板状アンテ
ナ。12. A grounded conductor plate, a printed circuit board on which a battery is connected by forming a wiring pattern and a wiring pattern facing the grounded conductor plate, and a short circuit having one end connected to the radiation conductor plate. A conductor, a power supply conductor for supplying a high-frequency signal to the radiation conductor plate, a ground conductor plate, the radiation conductor plate, the printed circuit board, the short-circuit conductor, and a housing for housing the power supply conductor portion; A board-mounted plate antenna comprising an insulating metal plate inside a conductor plate.
させた放射導体板と配線パターンが形成され電池が接続
されたプリント回路基板と、前記放射導体板に一方の端
部を接続した短絡導体と、前記放射導体板に高周波信号
を供給する給電導体部と前記接地導体板、前記放射導体
板、前記プリント回路基板、前記短絡導体、前記給電導
体部を収納する筐体を備え、前記放射導体板は１枚打ち
抜き板金を折り曲げて構成されていること特徴とする基
板実装形板状アンテナ。13. A grounded conductor plate, a printed circuit board on which a battery is connected with a radiation conductor plate facing the ground conductor plate and a wiring pattern formed thereon, and a short circuit having one end connected to the radiation conductor plate. A conductor, a power supply conductor for supplying a high-frequency signal to the radiation conductor plate, a grounding conductor plate, the radiation conductor plate, the printed circuit board, the short-circuit conductor, and a housing for housing the power supply conductor portion; A board-mounted plate antenna, wherein the conductor plate is formed by bending a single punched sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000194181A JP2002016429A (en) | 2000-06-28 | 2000-06-28 | Substrate-mounted planar antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000194181A JP2002016429A (en) | 2000-06-28 | 2000-06-28 | Substrate-mounted planar antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002016429A true JP2002016429A (en) | 2002-01-18 |
Family
ID=18693049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000194181A Pending JP2002016429A (en) | 2000-06-28 | 2000-06-28 | Substrate-mounted planar antenna |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002016429A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004111563A (en) * | 2002-09-17 | 2004-04-08 | Denso Corp | Multilayered circuit board with antenna, and antenna structure using the same |
| JP2007287048A (en) * | 2006-04-19 | 2007-11-01 | Nippon Soken Inc | Information terminal device |
| JP2015082538A (en) * | 2013-10-22 | 2015-04-27 | 住友電装株式会社 | Printed circuit board, electronic apparatus including the same, and manufacturing method of the same |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63128191U (en) * | 1987-02-14 | 1988-08-22 | ||
| JPH04330806A (en) * | 1991-05-02 | 1992-11-18 | Fujitsu Ltd | Antenna module |
| JPH05327527A (en) * | 1991-12-26 | 1993-12-10 | Toshiba Corp | Portable radio equipment |
| JPH0774538A (en) * | 1992-11-04 | 1995-03-17 | Furukawa Electric Co Ltd:The | Electronic circuit unit with planar antenna |
| JPH07297626A (en) * | 1994-04-28 | 1995-11-10 | Murata Mfg Co Ltd | Antenna device |
| JPH08111609A (en) * | 1994-10-11 | 1996-04-30 | Murata Mfg Co Ltd | Antenna system |
| JPH08139520A (en) * | 1994-11-09 | 1996-05-31 | Fujitsu Ltd | Planar antenna structure |
| JPH08250917A (en) * | 1995-03-09 | 1996-09-27 | Matsushita Electric Ind Co Ltd | Antenna for radio equipment |
| JPH09167908A (en) * | 1995-12-15 | 1997-06-24 | Matsushita Electric Works Ltd | Antenna system |
| JPH09270629A (en) * | 1996-04-02 | 1997-10-14 | Furukawa Electric Co Ltd:The | Small-sized antenna |
| JPH10313212A (en) * | 1997-05-12 | 1998-11-24 | Matsushita Electric Ind Co Ltd | Board mount plate antenna |
| JP2000013133A (en) * | 1998-06-22 | 2000-01-14 | Furukawa Electric Co Ltd:The | Small sized antenna and its resonance frequency adjustment method |
| JP2000165137A (en) * | 1998-11-24 | 2000-06-16 | Matsushita Electric Ind Co Ltd | Board mounted planar antenna |
-
2000
- 2000-06-28 JP JP2000194181A patent/JP2002016429A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63128191U (en) * | 1987-02-14 | 1988-08-22 | ||
| JPH04330806A (en) * | 1991-05-02 | 1992-11-18 | Fujitsu Ltd | Antenna module |
| JPH05327527A (en) * | 1991-12-26 | 1993-12-10 | Toshiba Corp | Portable radio equipment |
| JPH0774538A (en) * | 1992-11-04 | 1995-03-17 | Furukawa Electric Co Ltd:The | Electronic circuit unit with planar antenna |
| JPH07297626A (en) * | 1994-04-28 | 1995-11-10 | Murata Mfg Co Ltd | Antenna device |
| JPH08111609A (en) * | 1994-10-11 | 1996-04-30 | Murata Mfg Co Ltd | Antenna system |
| JPH08139520A (en) * | 1994-11-09 | 1996-05-31 | Fujitsu Ltd | Planar antenna structure |
| JPH08250917A (en) * | 1995-03-09 | 1996-09-27 | Matsushita Electric Ind Co Ltd | Antenna for radio equipment |
| JPH09167908A (en) * | 1995-12-15 | 1997-06-24 | Matsushita Electric Works Ltd | Antenna system |
| JPH09270629A (en) * | 1996-04-02 | 1997-10-14 | Furukawa Electric Co Ltd:The | Small-sized antenna |
| JPH10313212A (en) * | 1997-05-12 | 1998-11-24 | Matsushita Electric Ind Co Ltd | Board mount plate antenna |
| JP2000013133A (en) * | 1998-06-22 | 2000-01-14 | Furukawa Electric Co Ltd:The | Small sized antenna and its resonance frequency adjustment method |
| JP2000165137A (en) * | 1998-11-24 | 2000-06-16 | Matsushita Electric Ind Co Ltd | Board mounted planar antenna |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004111563A (en) * | 2002-09-17 | 2004-04-08 | Denso Corp | Multilayered circuit board with antenna, and antenna structure using the same |
| JP2007287048A (en) * | 2006-04-19 | 2007-11-01 | Nippon Soken Inc | Information terminal device |
| JP2015082538A (en) * | 2013-10-22 | 2015-04-27 | 住友電装株式会社 | Printed circuit board, electronic apparatus including the same, and manufacturing method of the same |
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