JPS53142158A - Switch state detector - Google Patents

Switch state detector

Info

Publication number
JPS53142158A
JPS53142158A JP5749377A JP5749377A JPS53142158A JP S53142158 A JPS53142158 A JP S53142158A JP 5749377 A JP5749377 A JP 5749377A JP 5749377 A JP5749377 A JP 5749377A JP S53142158 A JPS53142158 A JP S53142158A
Authority
JP
Japan
Prior art keywords
switch state
state detector
applyithe
explosion
providing
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
JP5749377A
Other languages
Japanese (ja)
Inventor
Iwao Yamada
Akira Matsuoka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 by Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP5749377A priority Critical patent/JPS53142158A/en
Publication of JPS53142158A publication Critical patent/JPS53142158A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/18—Modifications for indicating state of switch

Landscapes

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

Abstract

PURPOSE:To applyithe switch state detector in plural units to obtain the electric signal at the area where the explosion may take place, by using just one circuit and providing one safety holder.
JP5749377A 1977-05-17 1977-05-17 Switch state detector Pending JPS53142158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5749377A JPS53142158A (en) 1977-05-17 1977-05-17 Switch state detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5749377A JPS53142158A (en) 1977-05-17 1977-05-17 Switch state detector

Publications (1)

Publication Number Publication Date
JPS53142158A true JPS53142158A (en) 1978-12-11

Family

ID=13057242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5749377A Pending JPS53142158A (en) 1977-05-17 1977-05-17 Switch state detector

Country Status (1)

Country Link
JP (1) JPS53142158A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810244U (en) * 1981-07-09 1983-01-22 日本ビクター株式会社 Mode switching control circuit for magnetic recording/reproducing device
JPS5860445A (en) * 1981-10-07 1983-04-09 Mitsubishi Electric Corp Magnetic recording and reproducing device
JPS6019315A (en) * 1983-07-13 1985-01-31 Rohm Co Ltd Switching circuit
JPS617132U (en) * 1984-06-18 1986-01-17 富士通テン株式会社 switch circuit
JPS617133U (en) * 1984-06-18 1986-01-17 富士通テン株式会社 switch circuit
JPS6186667A (en) * 1984-10-04 1986-05-02 Yokogawa Hokushin Electric Corp Apparatus for diagnosis of circuit containing change-over apparatus
JPS61158640A (en) * 1984-12-28 1986-07-18 スタンレー電気株式会社 Operation switch circuit
JPH0296423A (en) * 1988-09-30 1990-04-09 Matsushita Electric Ind Co Ltd Integrated circuit device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015254A (en) * 1975-12-04 1977-03-29 General Motors Corporation Keyboard encoding circuit utilizing an A/D converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015254A (en) * 1975-12-04 1977-03-29 General Motors Corporation Keyboard encoding circuit utilizing an A/D converter

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810244U (en) * 1981-07-09 1983-01-22 日本ビクター株式会社 Mode switching control circuit for magnetic recording/reproducing device
JPH0210588Y2 (en) * 1981-07-09 1990-03-15
JPS5860445A (en) * 1981-10-07 1983-04-09 Mitsubishi Electric Corp Magnetic recording and reproducing device
JPS6019315A (en) * 1983-07-13 1985-01-31 Rohm Co Ltd Switching circuit
JPS617132U (en) * 1984-06-18 1986-01-17 富士通テン株式会社 switch circuit
JPS617133U (en) * 1984-06-18 1986-01-17 富士通テン株式会社 switch circuit
JPS6186667A (en) * 1984-10-04 1986-05-02 Yokogawa Hokushin Electric Corp Apparatus for diagnosis of circuit containing change-over apparatus
JPS61158640A (en) * 1984-12-28 1986-07-18 スタンレー電気株式会社 Operation switch circuit
JPH0296423A (en) * 1988-09-30 1990-04-09 Matsushita Electric Ind Co Ltd Integrated circuit device

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