JPS63128795A - Method of shielding joint part of electromagnetic shielded building struction - Google Patents
Method of shielding joint part of electromagnetic shielded building structionInfo
- Publication number
- JPS63128795A JPS63128795A JP27613786A JP27613786A JPS63128795A JP S63128795 A JPS63128795 A JP S63128795A JP 27613786 A JP27613786 A JP 27613786A JP 27613786 A JP27613786 A JP 27613786A JP S63128795 A JPS63128795 A JP S63128795A
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic shielding
- shielding
- building structure
- electromagnetic
- metal tape
- 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
- 238000000034 method Methods 0.000 title claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 239000004020 conductor Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 20
- 239000010959 steel Substances 0.000 description 20
- 238000010276 construction Methods 0.000 description 12
- 239000011888 foil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000003973 paint Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、導電性材料を使用した電磁遮蔽建築構造に関
し、特に電磁遮蔽建築構造の接続部遮蔽方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electromagnetic shielding building structure using conductive materials, and more particularly to a method for shielding connections in an electromagnetically shielding building structure.
一般にインテリジェントビルでは、複合電子交換機やコ
ンピュータ等の情報通信設備を共同利用し、ビル内や外
部との情報通信を行うが、情報に対する価値感の高まり
やニーズの多様化、個性化に伴って様々な情報をより迅
速で的確に提供することがこれからのビルにおける１つ
の重要な課題となっている。インテリジェントビルにお
いてこのような課題に応えるものとして、光ファイバー
・ケーブルや同軸ケーブルを利用したデータハイウェイ
方式による情報ネットワークが検討され、提案されてい
る。In general, intelligent buildings share information and communication equipment such as multi-purpose electronic exchanges and computers to communicate information within the building and with the outside world. Providing information more quickly and accurately is an important issue for buildings in the future. To address these issues in intelligent buildings, information networks based on data highway methods using optical fiber cables and coaxial cables have been studied and proposed.
しかし、光ファイバー・ケーブルや同軸ケーブルを利用
したデータハイウェイ方式では、光ファイバー・ケーブ
ルや同軸ケーブルをインテリジェントビル内の隅々（端
末機器）にまで張りめぐらさなければならず、ケーブル
敷設のためにそれだけ余分に工費及び工期がかかること
になる。However, with the data highway method that uses fiber optic cables and coaxial cables, the fiber optic cables and coaxial cables must be stretched to every corner (terminal equipment) in an intelligent building, which requires extra cable installation. This will require additional construction costs and time.
その点、電波を使えばケーブル敷設は必要としなくなる
が、この場合、一方では、外部へノイズ電波を放出する
ことから、電波法上の規制を受けることになる。また他
方では、外部からの電波や内部のテレビ中間周波、ワイ
ヤレスマイクの電波等によりシステムが誤動作するとい
う問題が生じる。On that point, if radio waves are used, there is no need to lay cables, but in this case, on the other hand, noise radio waves are emitted to the outside, so it is subject to regulations under the Radio Law. On the other hand, there is a problem in that the system malfunctions due to external radio waves, internal television intermediate frequency waves, radio waves from wireless microphones, and the like.
そこでこのような電波を使った通信を可能にするために
は、建物構造体の中に独立して電磁遮蔽ルームを構成す
ることが必要となる。その場合、従来は、内装に鋼板材
を使用して手仕事で鋼板の接続を施工して電磁遮蔽ルー
ムを造っている。Therefore, in order to enable communication using such radio waves, it is necessary to construct an electromagnetic shielding room independently within the building structure. In this case, conventionally, an electromagnetic shielding room has been constructed by using steel plates for the interior and connecting the steel plates by hand.
ところが＠板材により電ＶＡ遮蔽面を形成する場合、そ
の接続部における電波の漏れが問題となる。However, when forming an electric VA shielding surface using a @ plate material, leakage of electric waves at the connection portion becomes a problem.
すなわち、電波を使う場合には、僅かな隙間や亀裂があ
ってもその隙間から電波漏れが生じるため、鋼板の厚さ
に応じた接続工法を採用してこのような問題の解決を図
る必要がある。例えば１．２〜１．６ｍｍ程度の比較的
厚い綱板では、１つの工法として、第２図（ａ）に示す
ように綱板１１の端部を突き合わせてそのラインを連続
溶接１２により覆って隙間をなくすようにしている。ま
た、もう１つの工法としては、第２図（ｂｌに示すよう
に鋼板１１の端部を重ね合わせてビス止めした後、その
部分を点溶接１３により覆って隙間をなくし、重ね合わ
せライン部分は連続溶接１４により覆って隙間をなくす
ようにしている。In other words, when using radio waves, even if there is a slight gap or crack, radio waves will leak through the gap, so it is necessary to solve this problem by adopting a connection method that is appropriate for the thickness of the steel plate. be. For example, for relatively thick steel plates of about 1.2 to 1.6 mm, one construction method is to butt the ends of the steel plates 11 together and cover that line with continuous welding 12, as shown in Figure 2(a). I'm trying to eliminate any gaps. Another construction method is to overlap the ends of the steel plates 11 and fasten them with screws, as shown in Figure 2 (bl), and then cover that part with spot welding 13 to eliminate the gap, and the overlapping line part It is covered by continuous welding 14 to eliminate any gaps.
しかし、さらに経済性を追求すると、高価の鋼亭反をで
きるだけ薄くし、例えばＱ、３ｍｍ或いはそれよりも薄
い鋼板、さらには金属箔や導電性塗料等を使って電磁遮
蔽層を構成し、構造的な強度は、他の安価な材料に依存
することになる。However, in pursuit of further economic efficiency, the electromagnetic shielding layer is constructed by making the expensive steel sheet as thin as possible, for example, using a 3mm or thinner steel plate, metal foil, conductive paint, etc. physical strength will depend on other inexpensive materials.
ところが例えば薄い鋼板を使った場合には、綱板自体が
薄く溶接では接続できないために、第２図（Ｃ１に示す
ように綱板１５の端部を重ね合わせてビス止めした後、
その部分を点半田盛り１６により覆って隙間をな（し、
重ね合わせライン部分は連続半田揚げ１７により覆って
隙間をなくすようにしている。However, when thin steel plates are used, for example, the steel plates themselves are too thin to be connected by welding.
Cover that part with dot solder mound 16 to create a gap.
The overlapping line portion is covered with continuous soldering 17 to eliminate any gaps.
しかしながら、従来の接続工法によると接続ラインにそ
って連続溶接或いは連続半田揚げが必要になるため、手
仕事で手間がかかり施工性が悪いという問題がある。ま
た、手仕事であることから施工性にバラツキが生じるた
め施工精度が充分でなく初期の電磁遮蔽性能を確保する
ことが難しくなるという問題もある。さらには、半田盛
り等により鋼板同士を接続しても強度が充分でなく、仕
上げ材を取り付けるときに僅かな衝撃がかかったり、或
いはその後に何等かの振動が加わって、接続部分に剥離
や亀裂が生じ、その隙間から電波が漏れるという問題が
ある。However, the conventional connection method requires continuous welding or continuous soldering along the connection line, so there is a problem that it is labor intensive and has poor workability. In addition, since it is a handiwork, there are variations in workability, so there is a problem that the work accuracy is insufficient and it becomes difficult to ensure initial electromagnetic shielding performance. Furthermore, even if steel plates are connected by soldering, etc., the strength is not sufficient, and if a slight shock is applied when attaching the finishing material, or if some vibration is applied afterwards, the connected part may peel or crack. There is a problem in that radio waves leak through the gap.
本発明は、上記の問題点を解決するものであって、簡便
な施工により調板接続部の電磁遮蔽性能を確保すること
ができ、経済性の高い電磁遮蔽建築構造の接続部遮蔽方
法の提供を目的とする。The present invention solves the above-mentioned problems, and provides a method for shielding connections in an electromagnetic shielding building structure that is highly economical and can ensure electromagnetic shielding performance of control plate connections through simple construction. With the goal.
そのために本発明の電磁遮蔽建築構造の接続部遮蔽方法
は、導電性材料を使用した電磁遮蔽建築構造において、
電磁遮蔽層の接続部に金属テープを貼ったことを特徴と
するものである。To this end, the method for shielding connections in an electromagnetic shielding building structure according to the present invention provides a method for shielding connections in an electromagnetic shielding building structure using conductive materials.
This is characterized by a metal tape pasted on the connection part of the electromagnetic shielding layer.
〔作用コ
本発明の電磁遮蔽建築構造の接続部遮蔽方法では、隙間
の生じ易い電磁遮蔽層の接続部に金属テープを貼るので
、接続部の電磁遮蔽性能を藺草な施工により確保できる
。しかも、一定の巾を持った金属テープを貼るので、高
い施工精度を必要とせず、少々の衝撃があっても電磁遮
蔽性能を損なうことがなく、信顛性の高い電Ｍ１遮蔽層
を達成できる。[Function] In the method for shielding the connection parts of an electromagnetic shielding building structure of the present invention, metal tape is applied to the connection parts of the electromagnetic shielding layer where gaps are likely to occur, so that the electromagnetic shielding performance of the connection parts can be ensured by simple construction. Moreover, since a metal tape with a certain width is applied, there is no need for high construction precision, and even if there is a slight impact, the electromagnetic shielding performance will not be impaired, making it possible to achieve a highly reliable electric M1 shielding layer. .
以下、実施例を図面を参照しつつ説明する。 Examples will be described below with reference to the drawings.
第１図は本発明に係る電磁遮蔽建築構造の接続部遮蔽方
法の１実施例を説明するための図であり、１は調板、２
は金属テープ、３はスタンド、４はビスを示す。FIG. 1 is a diagram for explaining one embodiment of the method for shielding connection parts of an electromagnetic shielding building structure according to the present invention, in which 1 is a control plate, 2
indicates a metal tape, 3 indicates a stand, and 4 indicates a screw.
第１図において、金属テープ２は、例えば銅箔等の導電
性材料を使ったテープである。スタッド３は、所謂り、
Ｇ、Ｓ （ライトゲージスチール）スタッドといわれる
軽量鉄骨間仕切下地である。In FIG. 1, a metal tape 2 is a tape made of a conductive material such as copper foil. Stud 3 is the so-called
This is a lightweight steel frame partition base called G and S (light gauge steel) studs.
本発明に係る金属板接続部の電磁遮蔽は、鋼板１の接続
部にスタンド３を配置し、或いはスタッド３を配置した
位置を鋼板ｌの接続部として、鋼板１の端部をスタンド
３の上で重ね合わせ、ビス４により適当な間隔で止める
。そして、その重ね合わせライン及びビス４の上を覆う
ように金属テープ２を貼る。The electromagnetic shielding of the metal plate connection part according to the present invention is achieved by arranging the stand 3 at the connection part of the steel plate 1, or by using the position where the stud 3 is placed as the connection part of the steel plate 1, and placing the end of the steel plate 1 on the top of the stand 3. Overlap them and secure them at appropriate intervals using screws 4. Then, the metal tape 2 is pasted so as to cover the overlapping line and the top of the screw 4.
金属テープ２は、柔軟性があるので、鋼板１による電磁
遮蔽層を施工した後に仕上げ材を取り付ける際、若干の
衝撃があっても溶接や半田揚げのように亀裂が入り、剥
離する、という問題も生じない。また、一定の巾を持っ
て重ね合わせライン及びビス４の上を覆うので、少々施
工精度が悪くても容易に所定の電磁遮蔽性能を確保する
ことができる。 ゛
なお、本発明は、上記実施例に限定されるものではなく
、種々の変形が可能である。例えば上記の実施例では鋼
板の接続部において生じる隙間の電磁遮蔽性能を確保す
るものを示したが、他の電磁遮蔽パネルにより電磁遮蔽
面を形成する場合にも同様に適用できると共に、直線部
の接続だけでなく角になった突き合わせ部分、大隅部や
出隅部においても同様に適用でき、特に亀裂等の生しる
恐れのある部分に適用して電磁遮蔽性能の劣化を防止す
ることもできる。Since the metal tape 2 is flexible, there is a problem that when attaching the finishing material after constructing the electromagnetic shielding layer of the steel plate 1, even if there is a slight impact, it will crack and peel like welding or soldering. will not occur. Furthermore, since the overlapping line and the top of the screw 4 are covered with a certain width, a predetermined electromagnetic shielding performance can be easily ensured even if the construction accuracy is slightly poor. Note that the present invention is not limited to the above embodiments, and various modifications are possible. For example, in the above example, the electromagnetic shielding performance of the gap created at the joint of steel plates was shown, but it can be similarly applied to the case where an electromagnetic shielding surface is formed using other electromagnetic shielding panels. It can be applied not only to connections but also to corner butt parts, large corners, and protruding corners, and can be applied especially to areas where cracks may occur to prevent deterioration of electromagnetic shielding performance. .
第３図は本発明に係る電磁遮蔽建築構造の接続部遮蔽方
法の具体的な適用例を示す図、第４図は第３図の細部の
施工例を示す図である。図中、２１は床、２２は壁、２
３は電磁遮蔽ルーム、２４．３３と３６は金属テープ、
２５はＭバー受け、２６はＭバー、２７はプラスターボ
ード（金詰、２８は金属箔、２９は岩綿吸音仮貼、３０
はボンド、３１はプラスターボード、３２と３５は電磁
遮蔽塗料、３４はビニアス系タイル貼、を示す。FIG. 3 is a diagram showing a specific application example of the method for shielding the connection portion of an electromagnetic shielding building structure according to the present invention, and FIG. 4 is a diagram showing a detailed construction example of FIG. 3. In the figure, 21 is the floor, 22 is the wall, 2
3 is an electromagnetic shielding room, 24.33 and 36 are metal tapes,
25 is M bar receiver, 26 is M bar, 27 is plaster board (metal filled, 28 is metal foil, 29 is rock wool sound absorbing temporary pasting, 30
indicates bond, 31 indicates plasterboard, 32 and 35 indicate electromagnetic shielding paint, and 34 indicates vinyl tile.
第３図に示す電磁４藪ルーム２３は、天井や壁、床の下
地に電磁遮蔽面を施し、その上に仕上げ材を取り付ける
ものである。壁や床は、建物構造体の内面に電磁遮蔽塗
料３２．３５を塗布し、その上をポンド３０等を用いて
プラスターボード３１、ビニアス系タイル貼３４により
内装仕上げする。The electromagnetic four-bush room 23 shown in FIG. 3 has an electromagnetic shielding surface provided on the base of the ceiling, walls, and floor, and a finishing material is attached thereon. For walls and floors, an electromagnetic shielding paint 32, 35 is applied to the inner surface of the building structure, and the interior is finished with plasterboard 31 and veneer tiles 34 using a pounder 30 or the like.
他方、天井の構成としては、プラスターボード捨貼２７
の下に金属箔２８を使用し、そして岩綿吸音仮貼２９に
より内装仕上げする。金属箔２８は、例えば導電性のア
ルミ、スチール、銅等で巾広タイプのものを用い、壁側
の電磁遮蔽塗料３２とは電気的に一体接続する。On the other hand, the structure of the ceiling is plasterboard 27
A metal foil 28 is used underneath, and the interior is finished with rock wool sound absorbing temporary pasting 29. The metal foil 28 is made of conductive aluminum, steel, copper, etc., and is electrically integrally connected to the electromagnetic shielding paint 32 on the wall side.
上記の如き構造の１ｉｉａ遮蔽ルームにおいて、さらに
電磁遮蔽性能を高めるための細部を示したのが第４図で
ある。第４図（ａｌは天井面のｔ磁遮蔽を行う金属箔２
８の接続部を示したもので、天井部の金属箔２８は、隼
に重ねただけではその隙間より電波漏れが生じるので、
その重ね合わせ部に金属テープ３６を貼って電磁遮蔽性
能を高める。また、天井の金属箔２８と壁側の電磁遮蔽
塗料３２との接続も、僅かな隙間から電波漏れが生じる
ので、第４図（ｂｌに示すように金属テープ２４を貼っ
て電磁遮蔽性能を高める。この図から明らかなように施
工手順は、まず、壁側の電磁遮蔽塗料３２を塗布し、続
いて天井の金属箔２８を貼り、その接続部を金属テープ
２４によって電気的に一体接続する。このとき、金属箔
２８を電磁遮蔽塗料３２の上にビス止めし、その上に金
属テープ２４を貼るようにしてもよい。さらに、壁と床
の境界となる躯体の大隅部は、構造上、クランクが生し
る恐れが高く、このクラックから電波漏れが住しるので
、第４図（Ｃ１に示すように金属テープ３３を貼り巡ら
せる。FIG. 4 shows details for further improving the electromagnetic shielding performance in the 1IIA shielding room constructed as described above. Figure 4 (al is metal foil 2 for magnetic shielding on the ceiling surface)
This figure shows the connection part 8.If the metal foil 28 on the ceiling is just placed on the falcon, radio waves will leak from the gap, so
A metal tape 36 is attached to the overlapped portion to improve electromagnetic shielding performance. Furthermore, since radio waves may leak from a small gap between the metal foil 28 on the ceiling and the electromagnetic shielding paint 32 on the wall, attach a metal tape 24 as shown in Figure 4 (bl) to improve the electromagnetic shielding performance. As is clear from this figure, the construction procedure is to first apply the electromagnetic shielding paint 32 on the wall, then apply the metal foil 28 on the ceiling, and electrically connect the connecting parts together using the metal tape 24. At this time, the metal foil 28 may be screwed onto the electromagnetic shielding paint 32, and the metal tape 24 may be pasted on top of it.Furthermore, the large corner of the frame that forms the boundary between the wall and the floor is structurally Since there is a high risk of cracking and radio wave leakage occurs from this crack, a metal tape 33 is pasted around it as shown in FIG. 4 (C1).
以上の説明から明らかなように、本発明によれば、一定
の巾を有し可撓性のある金属テープにより隙間の生じ易
い接続部分を被うので、所望の電磁遮蔽性能を容易に確
保することができる。しかも、金属テープを貼るだけで
よいので施工性や経済性も高く、信頌性の向上、作業効
率の改善を図ることができる。また、従来のように溶接
や半田揚げの作業がなくなるので、火災の危険性もなく
防災上も作業の安全性の向上を図ることができると共に
、金属テープの可撓性により施工前後の衝撃に強く且つ
施工後の耐振性に優れた電磁遮蔽性能を確保することが
できる。As is clear from the above description, according to the present invention, a flexible metal tape having a certain width covers the connection portion where gaps are likely to occur, so that the desired electromagnetic shielding performance can be easily ensured. be able to. Moreover, since it is only necessary to apply metal tape, it is highly workable and economical, and it is possible to improve credibility and work efficiency. In addition, since there is no welding or soldering work required in the past, there is no risk of fire, which improves work safety in terms of disaster prevention, and the flexibility of the metal tape allows it to withstand shocks before and after construction. It is possible to ensure electromagnetic shielding performance that is strong and has excellent vibration resistance after construction.
第１図は本発明に係る電磁遮蔽建築構造の接続部遮蔽方
法の１実施例を説明するための図、第２図は電磁遮蔽層
接続部の従来例を示す図、第３図は本発明に係る電磁４
薇建築構造の接続部遮蔽方法の具体的な通用例を示す図
、第４図は第３図の細部の施工例を示す図である。
１・・・鋼板、２．２６〜２８と３８・・・金属テープ
、３・・・スタッド、４・・・ビス。
出 願 人 清水建設株式会社
代理人 弁理士 阿 部 記 吉（外２名）第１図
第２図
（ｂン
（Ｃ）Fig. 1 is a diagram for explaining one embodiment of the method for shielding the connection part of an electromagnetic shielding building structure according to the present invention, Fig. 2 is a diagram showing a conventional example of the electromagnetic shielding layer connection part, and Fig. 3 is a diagram of the present invention. Electromagnetic 4 related to
FIG. 4 is a diagram illustrating a detailed example of construction of FIG. 3. 1... Steel plate, 2.26-28 and 38... Metal tape, 3... Stud, 4... Screw. Applicant Shimizu Corporation Agent Patent Attorney Kiyoshi Abe (2 others) Figure 1 Figure 2 (b (C)
Claims (3)
、電磁遮蔽層の接続部に金属テープを貼ったことを特徴
とする電磁遮蔽建築構造の接続部遮蔽方法。(1) A method for shielding a connection part of an electromagnetic shielding building structure using a conductive material, characterized in that a metal tape is attached to the connection part of an electromagnetic shielding layer.
を特徴とする特許請求の範囲第１項記載の電磁遮蔽建築
構造の接続部遮蔽方法。(2) The method for shielding a connection portion of an electromagnetic shielding building structure according to claim 1, wherein the connection portion is a connection portion where metal plates are overlapped.
ことを特徴とする特許請求の範囲第１項記載の電磁遮蔽
建築構造の接続部遮蔽方法。(3) The method for shielding a connection portion of an electromagnetic shielding building structure according to claim 1, wherein the connection portion is a butt connection portion of an electromagnetic shielding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27613786A JPS63128795A (en) | 1986-11-19 | 1986-11-19 | Method of shielding joint part of electromagnetic shielded building struction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27613786A JPS63128795A (en) | 1986-11-19 | 1986-11-19 | Method of shielding joint part of electromagnetic shielded building struction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63128795A true JPS63128795A (en) | 1988-06-01 |
Family
ID=17565293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27613786A Pending JPS63128795A (en) | 1986-11-19 | 1986-11-19 | Method of shielding joint part of electromagnetic shielded building struction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63128795A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02235398A (en) * | 1989-03-09 | 1990-09-18 | Kajima Corp | Electromagnetic shielding wall |
| JPH04251999A (en) * | 1990-12-28 | 1992-09-08 | Abc Trading Co Ltd | Electromagnetic wave shielding inner material and connecting method therefor |
| JP2007134642A (en) * | 2005-11-14 | 2007-05-31 | Toshiba Tec Corp | Radio security room and radio security system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57128100A (en) * | 1981-02-02 | 1982-08-09 | Tdk Electronics Co Ltd | Method of electromagnetically coupling radio wave shield |
-
1986
- 1986-11-19 JP JP27613786A patent/JPS63128795A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57128100A (en) * | 1981-02-02 | 1982-08-09 | Tdk Electronics Co Ltd | Method of electromagnetically coupling radio wave shield |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02235398A (en) * | 1989-03-09 | 1990-09-18 | Kajima Corp | Electromagnetic shielding wall |
| JPH04251999A (en) * | 1990-12-28 | 1992-09-08 | Abc Trading Co Ltd | Electromagnetic wave shielding inner material and connecting method therefor |
| JP2007134642A (en) * | 2005-11-14 | 2007-05-31 | Toshiba Tec Corp | Radio security room and radio security system |
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