JPS6431294U - - Google Patents

Info

Publication number
JPS6431294U
JPS6431294U JP12615087U JP12615087U JPS6431294U JP S6431294 U JPS6431294 U JP S6431294U JP 12615087 U JP12615087 U JP 12615087U JP 12615087 U JP12615087 U JP 12615087U JP S6431294 U JPS6431294 U JP S6431294U
Authority
JP
Japan
Prior art keywords
light
light receiving
detectable state
state setting
blocked
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
JP12615087U
Other languages
English (en)
Other versions
JPH0544637Y2 (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 JP1987126150U priority Critical patent/JPH0544637Y2/ja
Publication of JPS6431294U publication Critical patent/JPS6431294U/ja
Application granted granted Critical
Publication of JPH0544637Y2 publication Critical patent/JPH0544637Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Presses And Accessory Devices Thereof (AREA)
  • Control Of Presses (AREA)

Description

【図面の簡単な説明】
第1図は本実施例の同期チエツク回路の回路図
、第2図は同期チエツク回路の動作を説明するフ
ローチヤート、第3図は反射型安全装置のブロツ
ク図、第4図は従来の同期チエツク回路、第5図
は透過型安全装置のブロツク図である。 14……受光判定回路、15……条件選択回路
、16……同期信号選択回路、17……パルス変
換回路、18……出力ドライバ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 所定周期で発光する発光手段と、該発光手段か
    らの光を受光する受光手段と、該受光手段の受光
    検知可能状態を設定する検知可能状態設定手段と
    、該検知可能状態設定手段の出力を阻止する阻止
    手段と、該阻止手段で前記検知可能状態設定手段
    の出力が阻止された時、前記受光手段に受光検知
    があると判断すると異常信号を出力する異常検知
    手段とを有することを特徴とする同期チエツク回
    路。
JP1987126150U 1987-08-19 1987-08-19 Expired - Lifetime JPH0544637Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987126150U JPH0544637Y2 (ja) 1987-08-19 1987-08-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987126150U JPH0544637Y2 (ja) 1987-08-19 1987-08-19

Publications (2)

Publication Number Publication Date
JPS6431294U true JPS6431294U (ja) 1989-02-27
JPH0544637Y2 JPH0544637Y2 (ja) 1993-11-12

Family

ID=31377402

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987126150U Expired - Lifetime JPH0544637Y2 (ja) 1987-08-19 1987-08-19

Country Status (1)

Country Link
JP (1) JPH0544637Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5270486A (en) * 1975-12-10 1977-06-11 Raisaburou Jitsui Safety device for machine tool
JPS5414079A (en) * 1977-07-04 1979-02-01 Komatsu Ltd Trouble detector for light-ray type safety device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5270486A (en) * 1975-12-10 1977-06-11 Raisaburou Jitsui Safety device for machine tool
JPS5414079A (en) * 1977-07-04 1979-02-01 Komatsu Ltd Trouble detector for light-ray type safety device

Also Published As

Publication number Publication date
JPH0544637Y2 (ja) 1993-11-12

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