JPS58182492U - Radio wave leakage prevention device - Google Patents

Radio wave leakage prevention device

Info

Publication number
JPS58182492U
JPS58182492U JP1982079009U JP7900982U JPS58182492U JP S58182492 U JPS58182492 U JP S58182492U JP 1982079009 U JP1982079009 U JP 1982079009U JP 7900982 U JP7900982 U JP 7900982U JP S58182492 U JPS58182492 U JP S58182492U
Authority
JP
Japan
Prior art keywords
radio wave
choke
wave leakage
cover
door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1982079009U
Other languages
Japanese (ja)
Other versions
JPS6335519Y2 (en
Inventor
石野　健
康雄 橋本
Original Assignee
ティーディーケイ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ティーディーケイ株式会社 filed Critical ティーディーケイ株式会社
Priority to JP1982079009U priority Critical patent/JPS58182492U/en
Priority to GB08230255A priority patent/GB2122059B/en
Priority to US06/438,256 priority patent/US4525614A/en
Priority to IT8268285A priority patent/IT1191223B/en
Priority to DE3242125A priority patent/DE3242125C2/en
Priority to FR8219333A priority patent/FR2527886A1/en
Publication of JPS58182492U publication Critical patent/JPS58182492U/en
Application granted granted Critical
Publication of JPS6335519Y2 publication Critical patent/JPS6335519Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/76—Prevention of microwave leakage, e.g. door sealings
    • H05B6/763—Microwave radiation seals for doors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6414—Aspects relating to the door of the microwave heating apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Hard Magnetic Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の電波漏洩防止装置の構造例、第２図と第
３図はチョークカバーの誘電率と特性との関係を示す図
、第４図Ａ及びＢは本考案による電波漏洩防止装置の構
造例、第５図ａ　”−ｄは本考案の各種修飾例である。 ６：チョーク溝、１４：チョークカバー、１４１：突出
部。 ＼ θ　□−１−−−−− Ｑ　　　　　　／Ｑ 詭電牽Ｅ′Figure 1 is a structural example of a conventional radio wave leakage prevention device, Figures 2 and 3 are diagrams showing the relationship between the permittivity and characteristics of a choke cover, and Figures 4A and B are radio wave leakage prevention devices according to the present invention. Structure example, Fig. 5 a''-d are examples of various modifications of the present invention. 6: choke groove, 14: choke cover, 141: protrusion. Electric train E'

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）開閉可能な扉をふくみ閉じた構造の本体を有し、
本体と扉の間の電波漏洩通路からの電波漏洩を防止する
装置において、電波漏洩通路に面して本体及び扉の少な
くとも一方にチョーク溝が設けられ、該チョーク溝の入
口をチョークカバーによりふさぐ構造を有し、′前記チ
ョークカバーは磁性体と絶縁体の混合物で複素誘電率の
実数値Ｅ′が１５以下である均一な厚さの材料から構成
され、その表面は平坦で且つ前記本体または扉の対向壁
と平行状態になる如く取付けられ、さらに前記チョーク
カバーの裏面にチョーク溝内方に突出する複数の突出部
がチ・ヨークカバーと同じ材質で一体に設けられること
を特徴とする電波漏洩防止装置。(1) It has a main body with a closed structure including a door that can be opened and closed,
In a device for preventing radio wave leakage from a radio wave leakage path between a main body and a door, a choke groove is provided in at least one of the main body and the door facing the radio wave leakage path, and the entrance of the choke groove is blocked by a choke cover. 'The choke cover is made of a mixture of a magnetic material and an insulating material and has a uniform thickness with a real value E' of a complex dielectric constant of 15 or less, and its surface is flat and does not cover the body or door. The radio wave leakage is characterized in that the choke cover is mounted so as to be parallel to the opposing wall of the choke cover, and a plurality of protrusions that protrude inward from the choke groove are integrally provided on the back surface of the choke cover and are made of the same material as the choke cover. Prevention device. （２）前記突出部はチョークカバーの辺に沿って所定間
隔毎に点在させ又は連続状に設けたことを特徴とする前
記実用新案登録請求の範囲第１項記載の電波漏洩防止装
置。(2) The radio wave leakage prevention device according to claim 1, wherein the protrusions are arranged at predetermined intervals or continuously along the sides of the choke cover.
JP1982079009U 1982-05-28 1982-05-31 Radio wave leakage prevention device Granted JPS58182492U (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1982079009U JPS58182492U (en) 1982-05-31 1982-05-31 Radio wave leakage prevention device
GB08230255A GB2122059B (en) 1982-05-28 1982-10-22 An absorber device for microwave leakage
US06/438,256 US4525614A (en) 1982-05-28 1982-11-01 Absorber device for microwave leakage
IT8268285A IT1191223B (en) 1982-05-28 1982-11-04 ELECTROMAGNETIC WAVES ABSORBING DEVICE TO PREVENT MICROWAVE DISPERSIONS
DE3242125A DE3242125C2 (en) 1982-05-28 1982-11-13 Wave absorber for a microwave oven
FR8219333A FR2527886A1 (en) 1982-05-28 1982-11-18 ABSORBING DEVICE FOR MICROWAVE LEAKS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982079009U JPS58182492U (en) 1982-05-31 1982-05-31 Radio wave leakage prevention device

Publications (2)

Publication Number Publication Date
JPS58182492U true JPS58182492U (en) 1983-12-05
JPS6335519Y2 JPS6335519Y2 (en) 1988-09-20

Family

ID=30088206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982079009U Granted JPS58182492U (en) 1982-05-28 1982-05-31 Radio wave leakage prevention device

Country Status (1)

Country Link
JP (1) JPS58182492U (en)

Also Published As

Publication number Publication date
JPS6335519Y2 (en) 1988-09-20

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