JP2000151257A - Antenna structure for sending/receiving electromagnetic wave - Google Patents
Antenna structure for sending/receiving electromagnetic waveInfo
- Publication number
- JP2000151257A JP2000151257A JP10338465A JP33846598A JP2000151257A JP 2000151257 A JP2000151257 A JP 2000151257A JP 10338465 A JP10338465 A JP 10338465A JP 33846598 A JP33846598 A JP 33846598A JP 2000151257 A JP2000151257 A JP 2000151257A
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- Prior art keywords
- antenna
- data
- antenna coil
- transmitting
- electromagnetic wave
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、電磁波送受信用
アンテナ構造に係り、データ応答器との間で電磁波を送
受信する電磁波送受信用アンテナ構造に関する。The present invention relates to an antenna structure for transmitting and receiving electromagnetic waves, and more particularly to an antenna structure for transmitting and receiving electromagnetic waves to and from a data transponder.
【０００２】商店や工場・施設等においては、商品や部
品・人間等を通信対象として、これらの個別データを検
出するために、電磁波送受信用アンテナを設置してい
る。2. Description of the Related Art In a store, a factory, a facility, and the like, an antenna for transmitting and receiving electromagnetic waves is installed in order to detect individual data of a product, a part, a person, and the like for communication.
【０００３】この電磁波送受信用アンテナは、各種の個
別データを有する、例えば、非接触型カード等のデータ
応答器（「データキャリヤ」と言う）との間で電磁波を
送受信するものである。The antenna for transmitting and receiving electromagnetic waves transmits and receives electromagnetic waves to and from a data transponder (referred to as "data carrier") having various individual data, such as a non-contact type card.
【０００４】[0004]
【発明が解決しようとする課題】ところが、従来、図１
０に示す如く、電磁波送受信用アンテナ１０２にあって
は、アンテナ線１０４を基台１０６上に立設した逆Ｕ字
形状の非金属のパイプ１０６内に挿入し、このようなパ
イプ１０６を対向して配設し、そして、データ応答器１
１０をパイプ１０８の面と平行に移動させているので、
データ応答器１１０がパイプ１０６から大きく離れた
り、あるいは、その速度や距離によっては、データ応答
器１１０の個別データを正確に検出することが困難にな
るという不都合があった。However, conventionally, FIG.
As shown in FIG. 0, in the electromagnetic wave transmitting / receiving antenna 102, the antenna wire 104 is inserted into an inverted U-shaped non-metallic pipe 106 erected on a base 106, and such pipes 106 are opposed to each other. And the data transponder 1
Since 10 is moved in parallel with the surface of the pipe 108,
There is an inconvenience that it is difficult to accurately detect the individual data of the data transponder 110 depending on whether the data transponder 110 is far away from the pipe 106 or depending on its speed or distance.
【０００５】また、電磁波送受信用アンテナを大型に構
成した場合や、電磁波送受信用アンテナを円形状にして
かざす場合には、個別データを正確に読み取れない、い
わゆる磁力線の中抜けが発生したり、また、大きな設置
スペースを必要とし、スペース上不利になるとともに、
高価になるという不都合があった。[0005] When the electromagnetic wave transmitting / receiving antenna is configured to be large, or when the electromagnetic wave transmitting / receiving antenna is held in a circular shape, individual data cannot be accurately read. , Requires a large installation space, and is disadvantageous in terms of space.
There was a disadvantage that it became expensive.
【０００６】[0006]
【課題を解決するための手段】そこで、この発明は、上
述の不都合を除去するために、固有の電磁波を発信する
データ応答器との間で電磁波を送受信する電磁波送受信
用アンテナを設けた電磁波送受信用アンテナ構造におい
て、アンテナ線で形成したアンテナコイル部を平坦な可
動仕切体に設け、前記アンテナコイル部が設けられた前
記可動仕切体を前記データ応答器が通過可能なように前
記データ応答器の移動方向に対して交差方向に複数配設
し、隣接する前記可動仕切体の前記アンテナコイル部同
士を磁力線が特定方向に発生するように接続して設けた
ことを特徴とする。SUMMARY OF THE INVENTION In order to eliminate the above-mentioned disadvantages, the present invention provides an electromagnetic wave transmission / reception antenna provided with an electromagnetic wave transmission / reception antenna for transmitting / receiving an electromagnetic wave to / from a data transponder transmitting a unique electromagnetic wave. In the antenna structure for antenna, an antenna coil portion formed by an antenna wire is provided on a flat movable partition, and the data transponder is provided so that the data transponder can pass through the movable partition provided with the antenna coil portion. A plurality of antenna coils are provided in a direction intersecting the moving direction, and the antenna coil portions of the adjacent movable partition members are connected to each other so that a magnetic field line is generated in a specific direction.
【０００７】[0007]
【発明の実施の形態】この発明は、各アンテナコイル部
が設けられた各可動仕切体の面に対してデータ応答器が
交差して通過し、また、電磁波が特定方向に発生し、更
に、データ応答器がコンテナコイル部に近づいて触れ、
遠ざかることから、アンテナをかざす行為をなくし、ま
た、アンテナコイル部がデータ応答器の個別データを正
確に検出し、交信時間を長く保持するとともに、磁力線
の中抜けを回避したり、電磁波送受信用アンテナのため
に別個なスペースを不要とし、スペース上有利とし、し
かも、廉価とすることができる。According to the present invention, a data transponder intersects a surface of each movable partition provided with each antenna coil portion, and an electromagnetic wave is generated in a specific direction. The data transponder approaches and touches the container coil,
Eliminates the act of holding the antenna because it is far away, and the antenna coil part accurately detects individual data of the data transponder, maintains communication time for a long time, avoids the passage of magnetic field lines, and transmits and receives electromagnetic waves. Therefore, a separate space is not required, the space is advantageous, and the cost can be reduced.
【０００８】[0008]
【実施例】以下図面に基づいてこの発明の実施例を詳細
且つ具体的に説明する。図１〜５は、この発明の第１実
施例を示すものである。図１、２において、２は電磁波
送受信用アンテナ、４は非接触型カード等からなるデー
タ応答器（「データキャリヤ」とも言う）である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of the present invention; 1 to 5 show a first embodiment of the present invention. 1 and 2, reference numeral 2 denotes an antenna for transmitting and receiving electromagnetic waves, and reference numeral 4 denotes a data transponder (also referred to as "data carrier") formed of a non-contact type card or the like.
【０００９】電磁波送受信用アンテナ２は、柔軟性があ
り、透明で平坦なラミネート材６に設けられる。The antenna 2 for transmitting and receiving electromagnetic waves is provided on a flexible, transparent and flat laminate material 6.
【００１０】このラミネート材６は、矩形状であり、下
方から第１〜５切断線８−１〜８−５で分析されて、可
動仕切体を構成する第１〜６仕切片１０−１〜１０−６
を有している。The laminated material 6 is rectangular and is analyzed from the bottom along first to fifth cutting lines 8-1 to 8-5 to form first to sixth partition pieces 10-1 to 10-1 to form a movable partition body. 10-6
have.
【００１１】データ応答器４には、各種の個別データを
有するデータコイル部１２が設けられている。The data transponder 4 is provided with a data coil section 12 having various individual data.
【００１２】第１〜６仕切片１０−１〜１０−６には、
アンテナ線１４を巻いて形成した第１〜６アンテナコイ
ル部１６−１〜１６−６が夫々設けられている。従っ
て、第１〜第６アンテナコイル部１６−１〜１６−６
は、各々で幅が小さいものであるが、一体的になって大
きなアンテナ面域と同等になるものである。The first to sixth partition pieces 10-1 to 10-6 include:
First to sixth antenna coil portions 16-1 to 16-6 formed by winding the antenna wire 14 are provided, respectively. Therefore, the first to sixth antenna coil units 16-1 to 16-6
Are small in width in each case, but are integrated into a large antenna area.
【００１３】そして、隣接する各アンテナコイル部１６
にあっては、図２に示す如く、磁力線が、特定方向に発
生するように、例えば、データ応答器４の移動方向にな
るように、夫々接続して設けられる。The adjacent antenna coil sections 16
In this case, as shown in FIG. 2, the magnetic field lines are connected to each other so as to be generated in a specific direction, for example, in the direction in which the data transponder 4 moves.
【００１４】このとき、図３、４に示す如く、２つの考
え方がある。At this time, there are two ideas as shown in FIGS.
【００１５】図３において、（ａ）は電磁波が紙表から
紙裏へ発生し、（ｂ）はこれと等価である。図４におい
て、（ａ）は真ん中でねじってあるので、左右の電磁波
が、左側で紙表から紙裏へ、右側へ紙裏から紙表へ発生
し、（ｂ）はこれと等価である。In FIG. 3, (a) shows that an electromagnetic wave is generated from the front of the paper to the back of the paper, and (b) is equivalent to this. In FIG. 4, (a) is twisted in the middle, so that left and right electromagnetic waves are generated on the left from the front of the paper to the back of the paper, and on the right to the back of the paper from the back of the paper, and (b) is equivalent to this.
【００１６】しかし、図３にあっては、直径が大きい程
遠くに飛ぶが、中心部位に磁力線の中抜けが生じ易いの
で、図４（ａ）のように、ねじりを入れれば、中心部位
を補うことができる。In FIG. 3, however, the larger the diameter, the farther the ball will fly, but the center line tends to fall out of the line of magnetic force. Therefore, as shown in FIG. be able to.
【００１７】そこで、この第１実施例においては、各ア
ンテナコイル部１６を、図３（ｂ）、図４（ｂ）や図５
に示すように、各仕切片１０に夫々設け、そして、隣接
するアンテナコイル部１６同士を、磁力線の特定方向と
して、例えば、左右の２枚は各々図３（ｂ）、中の２枚
は図４（ｂ）のように、夫々接続する。Therefore, in the first embodiment, each of the antenna coil portions 16 is connected to each of the antenna coil portions 16 shown in FIGS.
As shown in FIG. 3, each of the partitioning pieces 10 is provided, and the adjacent antenna coil portions 16 are used as the specific directions of the lines of magnetic force. For example, the two right and left sheets are each shown in FIG. Each is connected as shown in FIG.
【００１８】従って、各アンテナコイル部１６にあって
は、一本のアンテナ線１４で連絡されることになる。Therefore, each antenna coil section 16 is connected by one antenna line 14.
【００１９】次に、この第１実施例の作用を説明する。Next, the operation of the first embodiment will be described.
【００２０】図２に示す如く、データ応答器４を、並設
した各仕切片１０の面に対して交差させて近づけてアン
テナコイル部１６に触れさせ、そして、各仕切片１０を
可動させて通過させると、磁力線がデータ応答器４の移
動方向と同じ方向に発生し、これにより、アンテナコイ
ル部１６がデータ応答器４のデータコイル部１２に起電
力を発生させ、そして、そのデータ応答器４が固有の電
磁波を発信し、この固有の電磁波がアンテナコイル部１
６に読み込まれ、データ応答器４のデータコイル部１２
の個別データが検出される。As shown in FIG. 2, the data transponder 4 is brought into contact with the antenna coil section 16 by making the data transponder 4 intersect and approach the surfaces of the partition pieces 10 arranged side by side, and move each partition piece 10. When passed, the magnetic field lines are generated in the same direction as the movement direction of the data transponder 4, whereby the antenna coil unit 16 generates an electromotive force in the data coil unit 12 of the data transponder 4, and the data transponder 4 emits a unique electromagnetic wave, and the unique electromagnetic wave is transmitted to the antenna coil unit 1.
6 and the data coil unit 12 of the data transponder 4
Of individual data are detected.
【００２１】この結果、電磁波の種々の周波数に関係な
くアンテナコイル部１６がデータ応答器４からの周波数
を確実に読み込むとともに、データ応答器４がアンテナ
コイル部１６に近づいて触れ、遠ざかるので、個別デー
タを正確に検出することができ、交信時間を長く保持
し、磁力線の中ぬけをも回避することができる。As a result, the antenna coil section 16 reliably reads the frequency from the data transponder 4 irrespective of the various frequencies of the electromagnetic wave, and the data transponder 4 approaches the antenna coil section 16 and touches it away. The data can be detected accurately, the communication time can be kept long, and the hollowing of the magnetic field lines can be avoided.
【００２２】また、アンテナコイル部１６を各仕切片１
０に設けるだけなので、電磁波送受信用アンテナのため
に別途なスペースを不要とし、また、アンテナをかざす
行為をなくし、スペース上有利とすることができ、しか
も、廉価とすることができる。The antenna coil section 16 is connected to each of the partition pieces 1.
Since the antenna is only provided at zero, no extra space is required for the antenna for transmitting and receiving electromagnetic waves, and there is no need to hold the antenna over, which is advantageous in terms of space and can be made inexpensive.
【００２３】図６は、この発明の第２実施例を示すもの
である。FIG. 6 shows a second embodiment of the present invention.
【００２４】以下の実施例にあっては、上述の第１実施
例と同一機能を果す箇所には同一符号を付して説明す
る。In the following embodiments, portions having the same functions as those of the above-described first embodiment will be described with the same reference numerals.
【００２５】この第２実施例の特徴とするところは、以
下の点にある。即ち、平坦な可動仕切体として、のれん
２２の２つ割れののれん状布２４・２４上にアンテナコ
イル部１６・１６を不織布（図示せず）で接着して設け
た。The features of the second embodiment are as follows. That is, the antenna coil parts 16 and 16 are provided as non-woven fabrics (not shown) on the two-piece goodwill cloths 24 of the goodwill 22 as flat movable partition bodies.
【００２６】この第２実施例の構成によれば、人物の被
服のポケット等にデータ応答器４を入れておくだけで、
個別データを正確に検出させることができるので、簡便
である。According to the configuration of the second embodiment, the data transponder 4 is simply placed in a pocket or the like of a person's clothing.
Since individual data can be accurately detected, it is simple.
【００２７】図７は、この発明の第３実施例を示すもの
である。FIG. 7 shows a third embodiment of the present invention.
【００２８】この第３実施例の特徴とするところは、以
下の点にある。即ち、柱３２・３２にヒンジ３４・３４
で取付けられた可動仕切体である両開き扉３６のドア本
体３８・３８にアンテナコイル部１６・１６を設けた。The features of the third embodiment are as follows. That is, hinges 34
The antenna coil portions 16 and 16 are provided on the door bodies 38 and 38 of the double door 36 which is a movable partition attached by the above.
【００２９】この第３実施例の構成によれば、揺動する
ドア本体３８、３８にアンテナコイル部１６・１６を設
置するので、簡便である。According to the configuration of the third embodiment, since the antenna coil portions 16 are provided on the swinging door bodies 38, 38, the configuration is simple.
【００３０】図８は、この発明の第４実施例を示すもの
である。FIG. 8 shows a fourth embodiment of the present invention.
【００３１】この第４実施例の特徴とするところは、以
下の点にある。即ち、支持ポール４２に支持されたのれ
ん４４にあっては、床まで達する長さを有し、且つ、第
１〜６のれん状布４６−１〜４６−６に分割されてい
る。そして、この第１〜６のれん状布４６−１〜４６−
６に第１〜６アンテナコイル部１６−１〜１６−６が夫
々設けられ、また、中央部位の第３のれん布４６−３に
あっては、上側、下側アンテナコイル部１６−３Ａ、１
６−３Ｂに分けられ、更に、第４のれん布４６−４にあ
っては、上側、下側アンテナコイル部１６−４Ａ、１６
−４Ｂに分けられている。The features of the fourth embodiment are as follows. That is, the goodwill 44 supported by the support pole 42 has a length reaching the floor and is divided into first to sixth goodwill cloths 46-1 to 46-6. Then, the first to sixth goodwill cloths 46-1 to 46-
6 are provided with first to sixth antenna coil portions 16-1 to 16-6, respectively. In the third portion of the third cloth 46-3 at the center, upper and lower antenna coil portions 16-3A, 16-3
6-3B, and in the fourth good cloth 46-4, the upper and lower antenna coil portions 16-4A, 16-4
-4B.
【００３２】この第４実施例の構成によれば、大きなの
れん４４にあっては、空気調整仕切を兼ねたものであ
り、データ応答器４が通過する部位にのみアンテナコイ
ル部１６を設ければよく、簡便である。According to the structure of the fourth embodiment, the large goodwill 44 also serves as an air adjustment partition. If the antenna coil section 16 is provided only in a portion where the data transponder 4 passes, Well, simple.
【００３３】図９は、この発明の第５実施例を示すもの
である。FIG. 9 shows a fifth embodiment of the present invention.
【００３４】この第５実施例の特徴とするところは、以
下の点にある。即ち、壁５２・５２にヒンジ５４・５４
で取付けたドア本体５６・５６には大きな端側アンテナ
コイル部１６Ａ・１６Ｂを設けるとともに、中央側の幅
狭で且つ短かい第１〜６中央側カーテン布５６−１〜５
６−６に小さな第１〜６中央側アンテナコイル部１６−
１〜１６−６を設けた。The features of the fifth embodiment are as follows. That is, the hinges 54
The door bodies 56, 56 are provided with large end side antenna coil portions 16A, 16B, and the first to sixth central side curtain cloths 56-1 to 56-5, which are narrow and short on the central side.
6-6 small first to sixth central antenna coil part 16-
1 to 16-6 were provided.
【００３５】この第５実施例の構成によれば、カーテン
やドアにもアンテナコイル部１６を設けることができ、
簡便である。According to the configuration of the fifth embodiment, the antenna coil section 16 can be provided also on the curtain or the door.
It is simple.
【００３６】[0036]
【発明の効果】以上詳細な説明から明らかなようにこの
発明によれば、アンテナ線で形成したアンテナコイル部
を平坦な可動仕切体に設け、このアンテナコイル部が設
けられた可動仕切体をデータ応答器が通過可能なように
データ応答器の移動方向に対して交差方向に複数配設
し、隣接する可動仕切体のアンテナコイル部同士を磁力
線が特定方向に発生するように接続して設けたことによ
り、電磁波を特定方向に発生させたり、データ応答器を
アンテナコイル部に近づいて触れることから、アンテナ
をかざす行為をなくし、アンテナコイル部がデータ応答
器の個別データを正確に検出し、交信時間を長く保持
し、磁力線の中抜けを回避したり、電磁波送受信用アン
テナのために別個なスペースを不要として、スペース上
有利とし、しかも、廉価とし得る。According to the present invention, as described above, the antenna coil portion formed by the antenna wire is provided on the flat movable partition, and the movable partition provided with the antenna coil is mounted on the data partition. A plurality of transponders are arranged in a direction intersecting the moving direction of the data transponder so that the transponder can pass, and the antenna coil portions of adjacent movable partitions are connected to each other so that the magnetic field lines are generated in a specific direction. By generating electromagnetic waves in a specific direction or touching the data transponder close to the antenna coil part, the act of holding the antenna is eliminated, and the antenna coil part accurately detects the individual data of the data transponder and communicates. It keeps time for a long time, avoids the passage of lines of magnetic force, and eliminates the need for a separate space for antennas for transmitting and receiving electromagnetic waves. It may be a.
【図１】電磁波送受信用アンテナの正面図である。FIG. 1 is a front view of an antenna for transmitting and receiving electromagnetic waves.
【図２】電磁波送受信用アンテナの作用を説明する斜視
図である。FIG. 2 is a perspective view illustrating the operation of the antenna for transmitting and receiving electromagnetic waves.
【図３】（ａ）は大きな面域のアンテナの電磁波の流れ
を示す図である。（ｂ）は等価の電磁波の流れを示す図
である。FIG. 3A is a diagram illustrating a flow of an electromagnetic wave of an antenna in a large area. (B) is a figure which shows the flow of an equivalent electromagnetic wave.
【図４】（ａ）はアンテナ線ねじった電磁波の流れを示
す図である。（ｂ）は等価の電磁波の流れを示す図であ
る。FIG. 4A is a diagram illustrating a flow of an electromagnetic wave in which an antenna wire is twisted. (B) is a figure which shows the flow of an equivalent electromagnetic wave.
【図５】アンテナコイル部の配設状態を示す図である。FIG. 5 is a diagram showing an arrangement state of an antenna coil unit.
【図６】アンテナコイル部をのれんに設けた正面図であ
る。FIG. 6 is a front view in which an antenna coil unit is provided on goodwill.
【図７】アンテナコイル部を両開き扉に設けた正面図で
ある。FIG. 7 is a front view in which an antenna coil portion is provided on a double door.
【図８】アンテナコイル部を長いのれんに設けた正面図
である。FIG. 8 is a front view in which an antenna coil portion is provided on a long goodwill.
【図９】アンテナコイル部を扉及びカーテンに設けた正
面図である。FIG. 9 is a front view in which an antenna coil unit is provided on a door and a curtain.
【図１０】従来において対向するアンテナの面に沿って
データ応答器を移動させる状態の斜視図である。FIG. 10 is a perspective view showing a state where a data transponder is moved along a surface of an antenna facing the related art.
２ 電磁波送受信用アンテナ ４ データ応答器 ６ ラミネート材 １０ 仕切片 １４ アンテナ線 １６ アンテナコイル部 2 Antenna for transmitting and receiving electromagnetic waves 4 Data transponder 6 Laminate material 10 Partition piece 14 Antenna wire 16 Antenna coil part
─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成１１年２月２日（１９９９．２．２）[Submission date] February 2, 1999 (1999.2.2)
【手続補正１】[Procedure amendment 1]
【補正対象書類名】図面[Document name to be amended] Drawing
【補正対象項目名】全図[Correction target item name] All figures
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図１】 FIG.
【図２】 FIG. 2
【図３】 FIG. 3
【図４】 FIG. 4
【図５】 FIG. 5
【図６】 FIG. 6
【図７】 FIG. 7
【図８】 FIG. 8
【図９】 FIG. 9
【図１０】 FIG. 10
Claims (4)
の間で電磁波を送受信する電磁波送受信用アンテナを設
けた電磁波送受信用アンテナ構造において、アンテナ線
で形成したアンテナコイル部を平坦な可動仕切体に設
け、前記アンテナコイル部が設けられた前記可動仕切体
を前記データ応答器が通過可能なように前記データ応答
器の移動方向に対して交差方向に複数配設し、隣接する
前記可動仕切体の前記アンテナコイル部同士を磁力線が
特定方向に発生するように接続して設けたことを特徴と
する電磁波送受信用アンテナ構造。1. An electromagnetic wave transmitting / receiving antenna structure provided with an electromagnetic wave transmitting / receiving antenna for transmitting / receiving an electromagnetic wave to / from a data transponder for transmitting a specific electromagnetic wave, wherein an antenna coil portion formed by an antenna line is a flat movable partition. And a plurality of movable partitions provided in the direction intersecting the moving direction of the data transponder so that the data transponder can pass through the movable partition provided with the antenna coil portion, and the movable partition adjacent to the movable partition is provided. The antenna structure for transmitting and receiving electromagnetic waves, wherein the antenna coil portions are connected to each other so that magnetic lines of force are generated in a specific direction.
らなり、このラミネート材に前記アンテナコイル部を包
んで設け、このアンテナコイル部が設けられた前記ラミ
ネート材を短冊状に複数並設したことを特徴とする請求
項１に記載の電磁波送受信用アンテナ構造。2. The movable partition body is made of a transparent laminate, and the antenna coil is wrapped around the laminate, and the plurality of laminates provided with the antenna coil are arranged in a strip shape. The antenna structure for transmitting and receiving electromagnetic waves according to claim 1, wherein:
らなり、こののれん状布に前記アンテナコイル部を不織
布で包んで設けたことを特徴とする請求項１に記載の電
磁波送受信用アンテナ構造。3. The antenna structure for transmitting and receiving electromagnetic waves according to claim 1, wherein said movable partition body is made of a goodwill goodwill cloth, and said antenna coil portion is provided by wrapping said antenna coil portion with a nonwoven fabric. .
の両開き扉のドア本体に前記アンテナコイル部を設けた
ことを特徴とする請求項１に記載の電磁波送受信用アン
テナ構造。4. The antenna structure for transmitting and receiving electromagnetic waves according to claim 1, wherein said movable partition comprises a double door, and said antenna coil portion is provided on a door body of said double door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10338465A JP2000151257A (en) | 1998-11-12 | 1998-11-12 | Antenna structure for sending/receiving electromagnetic wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10338465A JP2000151257A (en) | 1998-11-12 | 1998-11-12 | Antenna structure for sending/receiving electromagnetic wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000151257A true JP2000151257A (en) | 2000-05-30 |
Family
ID=18318430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10338465A Pending JP2000151257A (en) | 1998-11-12 | 1998-11-12 | Antenna structure for sending/receiving electromagnetic wave |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000151257A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006107255A (en) * | 2004-10-07 | 2006-04-20 | Ricoh Co Ltd | Antenna |
| US7617987B2 (en) | 2005-05-11 | 2009-11-17 | Hitachi Kokusai Electric Inc. | Reader/writer apparatus |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52111356A (en) * | 1976-03-16 | 1977-09-19 | Moichi Shibuya | String curtain type room antenna |
| JPS5496558U (en) * | 1977-12-20 | 1979-07-07 | ||
| JPS54115099A (en) * | 1978-02-17 | 1979-09-07 | Lichtblau G J | Antenna system for electronic security system |
| JPS5676070A (en) * | 1979-11-08 | 1981-06-23 | Lichtblau G J | Antena system used for electronic safety system |
| JPH03198506A (en) * | 1989-12-27 | 1991-08-29 | Matsushita Electric Works Ltd | Planar antenna |
| JPH05235626A (en) * | 1992-02-25 | 1993-09-10 | Smk Corp | How to attach an antenna to a metal door |
| JPH06244619A (en) * | 1993-02-16 | 1994-09-02 | Csk Corp | Antenna |
| JPH06342065A (en) * | 1993-03-12 | 1994-12-13 | Esselte Meto Internatl Gmbh | Electronic-article monitoring system and method |
| JPH08330838A (en) * | 1995-05-29 | 1996-12-13 | Sony Chem Corp | Antenna for short-range communication and its manufacture |
| JPH10276023A (en) * | 1997-03-28 | 1998-10-13 | Shigeru Asakura | Antenna for non-contact type discrimination device |
-
1998
- 1998-11-12 JP JP10338465A patent/JP2000151257A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52111356A (en) * | 1976-03-16 | 1977-09-19 | Moichi Shibuya | String curtain type room antenna |
| JPS5496558U (en) * | 1977-12-20 | 1979-07-07 | ||
| JPS54115099A (en) * | 1978-02-17 | 1979-09-07 | Lichtblau G J | Antenna system for electronic security system |
| JPS5676070A (en) * | 1979-11-08 | 1981-06-23 | Lichtblau G J | Antena system used for electronic safety system |
| JPH03198506A (en) * | 1989-12-27 | 1991-08-29 | Matsushita Electric Works Ltd | Planar antenna |
| JPH05235626A (en) * | 1992-02-25 | 1993-09-10 | Smk Corp | How to attach an antenna to a metal door |
| JPH06244619A (en) * | 1993-02-16 | 1994-09-02 | Csk Corp | Antenna |
| JPH06342065A (en) * | 1993-03-12 | 1994-12-13 | Esselte Meto Internatl Gmbh | Electronic-article monitoring system and method |
| JPH08330838A (en) * | 1995-05-29 | 1996-12-13 | Sony Chem Corp | Antenna for short-range communication and its manufacture |
| JPH10276023A (en) * | 1997-03-28 | 1998-10-13 | Shigeru Asakura | Antenna for non-contact type discrimination device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006107255A (en) * | 2004-10-07 | 2006-04-20 | Ricoh Co Ltd | Antenna |
| US7617987B2 (en) | 2005-05-11 | 2009-11-17 | Hitachi Kokusai Electric Inc. | Reader/writer apparatus |
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