JPH0257633U - - Google Patents

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Publication number
JPH0257633U
JPH0257633U JP13716488U JP13716488U JPH0257633U JP H0257633 U JPH0257633 U JP H0257633U JP 13716488 U JP13716488 U JP 13716488U JP 13716488 U JP13716488 U JP 13716488U JP H0257633 U JPH0257633 U JP H0257633U
Authority
JP
Japan
Prior art keywords
failure
detection
detection circuit
abnormality
circuit
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
Application number
JP13716488U
Other languages
English (en)
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 filed Critical
Priority to JP13716488U priority Critical patent/JPH0257633U/ja
Publication of JPH0257633U publication Critical patent/JPH0257633U/ja
Pending legal-status Critical Current

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  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す近接スイツチ
の概略的斜視構成図、第２図は同上近接スイツチ
のブロツク構成図、第３図は従来技術による近接
スイツチの概略的斜視構成図、第４図は近接スイ
ツチの検出回路の構成例を示すブロツク構成図、
第５図は近接スイツチの検出回路の別の構成例を
示すブロツク構成図である。 １……近接スイツチ、２……第１の検出回路、
３……第２の検出回路、４……ケース、５……故
障検知回路、６……切換回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 物体の有無の検出や位置センサなどに用いられ
    る近接スイツチであつて、夫々個別に作動される
    複数の検出回路を同一のケース内に備えると共に
    、上記複数の検出回路のうち作動中の検出回路の
    異常や故障を検知し故障検知信号を発信する故障
    検知回路と、上記故障検知回路からの故障検知信
    号に基づいて上記作動中の検出回路から正常な検
    出回路へ検出回路を切り換える切換回路とを備え
    、検出動作を行なつていた検出回路の異常や故障
    が上記故障検知回路によつて検知された時には、
    上記切換回路によつて異常や故障が発生した検出
    回路から正常な検出回路に順次検出回路が切り換
    わり、全ての検出回路に異常や故障が発生するま
    で、順次正常な検出回路によつて検出動作が継続
    されるように構成したことを特徴とする近接スイ
    ツチ。
JP13716488U 1988-10-20 1988-10-20 Pending JPH0257633U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13716488U JPH0257633U (ja) 1988-10-20 1988-10-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13716488U JPH0257633U (ja) 1988-10-20 1988-10-20

Publications (1)

Publication Number Publication Date
JPH0257633U true JPH0257633U (ja) 1990-04-25

Family

ID=31398341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13716488U Pending JPH0257633U (ja) 1988-10-20 1988-10-20

Country Status (1)

Country Link
JP (1) JPH0257633U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5058399B1 (ja) * 2011-05-03 2012-10-24 株式会社 エニイワイヤ 子局ターミナル

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61108230A (ja) * 1984-10-31 1986-05-26 Toshiba Corp 現用予備切換方式

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61108230A (ja) * 1984-10-31 1986-05-26 Toshiba Corp 現用予備切換方式

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5058399B1 (ja) * 2011-05-03 2012-10-24 株式会社 エニイワイヤ 子局ターミナル
WO2012150638A1 (ja) * 2011-05-03 2012-11-08 株式会社エニイワイヤ 子局ターミナル
KR101423073B1 (ko) * 2011-05-03 2014-07-25 애니와이어 가부시키가이샤 자국 터미널
US9496869B2 (en) 2011-05-03 2016-11-15 Anywire Corporation Slave station

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