JPH02148113U - - Google Patents
Info
- Publication number
- JPH02148113U JPH02148113U JP5587989U JP5587989U JPH02148113U JP H02148113 U JPH02148113 U JP H02148113U JP 5587989 U JP5587989 U JP 5587989U JP 5587989 U JP5587989 U JP 5587989U JP H02148113 U JPH02148113 U JP H02148113U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- fiber cable
- permanent magnet
- magnetic fluid
- gap
- 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
- 239000013307 optical fiber Substances 0.000 claims description 5
- 239000011553 magnetic fluid Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は、本考案の一実施例を示す断面図、第
２図は、第１図の実施例の信号光線の遮断状態を
示す図である。
２……永久磁石ブロツク、６……磁性流体、８
……光フアイバケーブル、１６……電磁石ブロツ
ク、２２……電磁石作動スイツチ、２４……電磁
石作動電源。
FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is a diagram showing a signal beam blocking state of the embodiment of FIG. 1. 2...Permanent magnet block, 6...Magnetic fluid, 8
... optical fiber cable, 16 ... electromagnet block, 22 ... electromagnet operation switch, 24 ... electromagnet operation power supply.
Claims (1)
向かい合う他の光フアイバケーブルの切断面との
間に空隙を有するこれら光フアイバケーブルの信
号光線を通光及び遮断する光フアイバケーブル用
スイツチであつて、 光を遮断する磁性流体と、 前記空隙の周囲を覆う周囲面の一部に設けられ
、永久磁石により前記空隙から前記磁性流体を取
り出し、前記信号光線を通光させる永久磁石ブロ
ツク部と、 この永久磁石ブロツク部に相対する前記周囲面
の一部に設けられ、電磁石を作動することにより
、前記磁性流体を前記空隙に挿入し、前記信号光
線を遮断させる電磁石ブロツク部とを有すること
を特徴とする光フアイバケーブル用スイツチ。[Claims for Utility Model Registration] Light that transmits and blocks signal beams of optical fiber cables having a gap between a cut surface of an optical fiber cable and a cut surface of another optical fiber cable facing this cut surface. A switch for a fiber cable, comprising: a magnetic fluid that blocks light; and a permanent magnet provided on a part of a peripheral surface that covers the periphery of the air gap to take out the magnetic fluid from the air gap and allow the signal beam to pass through. a permanent magnet block part; an electromagnetic block part provided on a part of the peripheral surface facing the permanent magnet block part and inserting the magnetic fluid into the gap and blocking the signal beam by activating an electromagnet; 1. A switch for optical fiber cable, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5587989U JPH02148113U (en) | 1989-05-17 | 1989-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5587989U JPH02148113U (en) | 1989-05-17 | 1989-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02148113U true JPH02148113U (en) | 1990-12-17 |
Family
ID=31579217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5587989U Pending JPH02148113U (en) | 1989-05-17 | 1989-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02148113U (en) |
-
1989
- 1989-05-17 JP JP5587989U patent/JPH02148113U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69020662D1 (en) | Magnetic head positioning control system. | |
| MY104279A (en) | Vibrator | |
| JPS58163908U (en) | Objective lens drive device | |
| EP0232897A3 (en) | Electromagnet device | |
| JPH02148113U (en) | ||
| GB2037068B (en) | Deflection yoke assembly including a beam positioning magnet arrangement | |
| SE9400026D0 (en) | Hysteresis-Kupplung | |
| JPS61153023U (en) | ||
| AU1891288A (en) | Electromagnet with permanent magnet held by a cage | |
| JPH0317335U (en) | ||
| JPS6039850Y2 (en) | Optical switch driving device | |
| JPH0369204U (en) | ||
| JPS631510U (en) | ||
| JPS63120174U (en) | ||
| JPS6362934U (en) | ||
| JPS6291407U (en) | ||
| KR910009908U (en) | Deflection yoke centering magnet | |
| JPH0181620U (en) | ||
| JPS63113159U (en) | ||
| JPS6123154U (en) | Demagnetization detection device for switches, etc. using magnets | |
| KR900021145U (en) | Deflection yoke bobbin assembly structure | |
| JPH01175824U (en) | ||
| KR900001628U (en) | Deflection yoke coil separator coupling structure | |
| JPS6363233U (en) | ||
| JPS63184598U (en) |