JPH0271275U - - Google Patents

Info

Publication number
JPH0271275U
JPH0271275U JP15097088U JP15097088U JPH0271275U JP H0271275 U JPH0271275 U JP H0271275U JP 15097088 U JP15097088 U JP 15097088U JP 15097088 U JP15097088 U JP 15097088U JP H0271275 U JPH0271275 U JP H0271275U
Authority
JP
Japan
Prior art keywords
lower limit
potentiometer
control signal
limit value
output voltage
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
JP15097088U
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 JP15097088U priority Critical patent/JPH0271275U/ja
Priority to CA000608008A priority patent/CA1333416C/en
Priority to GB8918288A priority patent/GB2225127B/en
Priority to US07/393,669 priority patent/US5088020A/en
Priority to FR8913322A priority patent/FR2639445A1/fr
Publication of JPH0271275U publication Critical patent/JPH0271275U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例を示し、第１図は回路
図、第２図はその説明図、第３図は全体の側面図
、第４図は揺動台の平面断面図、第５図は操作レ
バーの配置図である。 ３０……ポテンシヨメータ、３２……制御回路
、３５……上限判別手段、３６……下限判別手段
、３７……上限値設定手段、３８……下限値設定
手段、３９……発光ダイオード。

Claims (1)

    【実用新案登録請求の範囲】
  1. ポテンシヨメータ３０に電圧を印加し、該ポテ
    ンシヨメータ３０より制御信号を取出すようにし
    た制御装置において、制御信号の上限値及び下限
    値を設定する上・下限値設定手段３７，３８と、
    ポテンシヨメータ３０の出力電圧を上・下限値と
    比較して出力電圧が制御信号の上・下限値の範囲
    外の時に異常信号を出力する上・下限判別手段３
    ５，３６とを備えたことを特徴とするポテンシヨ
    メータの異常検出装置。
JP15097088U 1988-11-18 1988-11-18 Pending JPH0271275U (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP15097088U JPH0271275U (ja) 1988-11-18 1988-11-18
CA000608008A CA1333416C (en) 1988-11-18 1989-08-10 Pivotal movement control device for boom-equipped working machine
GB8918288A GB2225127B (en) 1988-11-18 1989-08-10 Pivotal movement control device for boom-equipped working machine
US07/393,669 US5088020A (en) 1988-11-18 1989-08-14 Pivotal movement control device for boom-equipped working machine
FR8913322A FR2639445A1 (ja) 1988-11-18 1989-10-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15097088U JPH0271275U (ja) 1988-11-18 1988-11-18

Publications (1)

Publication Number Publication Date
JPH0271275U true JPH0271275U (ja) 1990-05-30

Family

ID=31424593

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15097088U Pending JPH0271275U (ja) 1988-11-18 1988-11-18

Country Status (1)

Country Link
JP (1) JPH0271275U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS604961B2 (ja) * 1976-01-20 1985-02-07 松下電器産業株式会社 光導波装置
JPS6035270B2 (ja) * 1981-05-25 1985-08-13 松下電工株式会社 フラツシユパネルの製造法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS604961B2 (ja) * 1976-01-20 1985-02-07 松下電器産業株式会社 光導波装置
JPS6035270B2 (ja) * 1981-05-25 1985-08-13 松下電工株式会社 フラツシユパネルの製造法

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