JPH0170397U - - Google Patents
Info
- Publication number
- JPH0170397U JPH0170397U JP1987165508U JP16550887U JPH0170397U JP H0170397 U JPH0170397 U JP H0170397U JP 1987165508 U JP1987165508 U JP 1987165508U JP 16550887 U JP16550887 U JP 16550887U JP H0170397 U JPH0170397 U JP H0170397U
- Authority
- JP
- Japan
- Prior art keywords
- shielding box
- radio wave
- electronic circuit
- shielding
- utility
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 3
- 230000035515 penetration Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
第1図は本考案の実施例を示す回路構成図であ
り、第2図は第1図に示す実施例の一具体例を示
す構造図である。
5……電子回路、10……遮へい箱体、11…
…貫通コンデンサ、12……小孔、13……基準
電位線、15……入力変成器、16……電源変圧
器、18……端子台、20……取付台、21……
絶縁スペーサ、22……接地線。
FIG. 1 is a circuit configuration diagram showing an embodiment of the present invention, and FIG. 2 is a structural diagram showing a specific example of the embodiment shown in FIG. 5... Electronic circuit, 10... Shielding box, 11...
...Feedthrough capacitor, 12...Small hole, 13...Reference potential line, 15...Input transformer, 16...Power transformer, 18...Terminal block, 20...Mounting base, 21...
Insulating spacer, 22...ground wire.
Claims (1)
なる遮へい箱体と、この遮へい箱体の導線貫通部
に取付けられて一方の電極はこの遮へい箱体に接
続し、かつ他方の電極には当該遮へい箱体の内側
と外側の導線を接続している貫通コンデンサと、
この遮へい箱体と前記電子回路の基準電位とを接
続する回路と、この遮へい箱体を大地と絶縁する
手段とが備えてあることを特徴とする電子回路の
電波遮へい装置。 (2) 実用新案登録請求の範囲第1項記載の電波
遮へい装置において、前記遮へい箱体はその全面
あるいは一部分に、電波の侵入を防止できる大き
さの小孔が設けられていることを特徴とする電子
回路の電波遮へい装置。[Claims for Utility Model Registration] (1) A shielding box made of a conductive material that covers the entire circumference of an electronic circuit, and one electrode attached to a conductor penetration part of this shielding box. a feedthrough capacitor, the other electrode of which is connected to the conductor wires on the inside and outside of the shielding box;
A radio wave shielding device for an electronic circuit, comprising: a circuit for connecting the shielding box to a reference potential of the electronic circuit; and means for insulating the shielding box from the ground. (2) The radio wave shielding device according to claim 1 of the utility model registration claim, characterized in that the shielding box is provided with a small hole on the entire surface or a part thereof, the size of which can prevent the intrusion of radio waves. Radio wave shielding device for electronic circuits.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987165508U JPH0170397U (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987165508U JPH0170397U (en) | 1987-10-29 | 1987-10-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0170397U true JPH0170397U (en) | 1989-05-10 |
Family
ID=31452057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987165508U Pending JPH0170397U (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0170397U (en) |
-
1987
- 1987-10-29 JP JP1987165508U patent/JPH0170397U/ja active Pending
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