JPH0326014U - - Google Patents

Info

Publication number
JPH0326014U
JPH0326014U JP8624489U JP8624489U JPH0326014U JP H0326014 U JPH0326014 U JP H0326014U JP 8624489 U JP8624489 U JP 8624489U JP 8624489 U JP8624489 U JP 8624489U JP H0326014 U JPH0326014 U JP H0326014U
Authority
JP
Japan
Prior art keywords
turned
switching circuit
reed switch
timer circuit
magnetic proximity
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
JP8624489U
Other languages
Japanese (ja)
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 JP8624489U priority Critical patent/JPH0326014U/ja
Publication of JPH0326014U publication Critical patent/JPH0326014U/ja
Pending legal-status Critical Current

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  • Keying Circuit Devices (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Description

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

第１図は本考案による磁気近接スイツチの一実
施例を示す回路図、第２図は本考案による磁気近
接スイツチの他の実施例を示す回路図である。第
３図は従来の磁気近接スイツチの一例を示す概略
図である。 １０……磁気近接スイツチ、１１，１２……電
源端子、１３……リードスイツチ、１４……抵抗
、１５……タイマー回路、１６……スイツチング
回路、１７……定電流ダイオード、１８……定電
圧ダイオード、２１……タイマーＩＣ、２２……
可変抵抗、２３，２４……コンデンサ、２５，２
６，３３……トランジスタ、３１……抵抗、３２
……ＬＥＤ。 FIG. 1 is a circuit diagram showing one embodiment of the magnetic proximity switch according to the present invention, and FIG. 2 is a circuit diagram showing another embodiment of the magnetic proximity switch according to the present invention. FIG. 3 is a schematic diagram showing an example of a conventional magnetic proximity switch. 10... Magnetic proximity switch, 11, 12... Power terminal, 13... Reed switch, 14... Resistor, 15... Timer circuit, 16... Switching circuit, 17... Constant current diode, 18... Constant voltage Diode, 21... Timer IC, 22...
Variable resistor, 23, 24... Capacitor, 25, 2
6, 33...Transistor, 31...Resistor, 32
...LED.

Claims (1)

【実用新案登録請求の範囲】 (1) 電源端子間に接続されたリードスイツチと
、該リードスイツチのオンにより動作を開始して
所定時間だけ信号を出力するタイマー回路と、上
記電源端子間に挿入され且つ上記タイマー回路か
らの信号によりオン状態にされるスイツチング回
路とを含んでおり、上記リードスイツチがオンさ
れると、所定時間だけ前記電源端子間が導通せし
められるようにしたことを特徴とする、磁気近接
スイツチ。 (2) 前記スイツチング回路に直列に発光素子が
挿入されており、該スイツチング回路の導通時に
、該発光素子が発光せしめられることを特徴とす
る、請求項１に記載の磁気近接スイツチ。[Scope of Claim for Utility Model Registration] (1) A reed switch connected between power terminals, a timer circuit that starts operating when the reed switch is turned on and outputs a signal for a predetermined period of time, and a timer circuit inserted between the power terminals. and a switching circuit that is turned on by a signal from the timer circuit, and when the reed switch is turned on, conduction is established between the power supply terminals for a predetermined period of time. , magnetic proximity switch. (2) The magnetic proximity switch according to claim 1, wherein a light emitting element is inserted in series with the switching circuit, and the light emitting element emits light when the switching circuit is turned on.
JP8624489U 1989-07-20 1989-07-20 Pending JPH0326014U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8624489U JPH0326014U (en) 1989-07-20 1989-07-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8624489U JPH0326014U (en) 1989-07-20 1989-07-20

Publications (1)

Publication Number Publication Date
JPH0326014U true JPH0326014U (en) 1991-03-18

Family

ID=31635724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8624489U Pending JPH0326014U (en) 1989-07-20 1989-07-20

Country Status (1)

Country Link
JP (1) JPH0326014U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009155961A (en) * 2007-12-27 2009-07-16 Japan Pile Corp Drilling bucket for earth drill machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128720A (en) * 1983-01-12 1984-07-24 オムロン株式会社 Position detector
JPS5941837B2 (en) * 1975-12-22 1984-10-09 工業技術院長 Expanded metal
JPS6252057B2 (en) * 1980-05-30 1987-11-04 Sadaaki Takagi
JPS643335B2 (en) * 1980-09-17 1989-01-20 Nippon Electric Co

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941837B2 (en) * 1975-12-22 1984-10-09 工業技術院長 Expanded metal
JPS6252057B2 (en) * 1980-05-30 1987-11-04 Sadaaki Takagi
JPS643335B2 (en) * 1980-09-17 1989-01-20 Nippon Electric Co
JPS59128720A (en) * 1983-01-12 1984-07-24 オムロン株式会社 Position detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009155961A (en) * 2007-12-27 2009-07-16 Japan Pile Corp Drilling bucket for earth drill machine

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