JPS54147441A - Detection system of disconnection in line - Google Patents

Detection system of disconnection in line

Info

Publication number
JPS54147441A
JPS54147441A JP5642078A JP5642078A JPS54147441A JP S54147441 A JPS54147441 A JP S54147441A JP 5642078 A JP5642078 A JP 5642078A JP 5642078 A JP5642078 A JP 5642078A JP S54147441 A JPS54147441 A JP S54147441A
Authority
JP
Japan
Prior art keywords
circuit
disconnection
control
control circuits
pulse
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
JP5642078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6314563B2 (enrdf_load_stackoverflow
Inventor
Tsutomu Kondo
Kazuhisa Akiyama
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP5642078A priority Critical patent/JPS54147441A/ja
Publication of JPS54147441A publication Critical patent/JPS54147441A/ja
Publication of JPS6314563B2 publication Critical patent/JPS6314563B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP5642078A 1978-05-11 1978-05-11 Detection system of disconnection in line Granted JPS54147441A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5642078A JPS54147441A (en) 1978-05-11 1978-05-11 Detection system of disconnection in line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5642078A JPS54147441A (en) 1978-05-11 1978-05-11 Detection system of disconnection in line

Publications (2)

Publication Number Publication Date
JPS54147441A true JPS54147441A (en) 1979-11-17
JPS6314563B2 JPS6314563B2 (enrdf_load_stackoverflow) 1988-03-31

Family

ID=13026604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5642078A Granted JPS54147441A (en) 1978-05-11 1978-05-11 Detection system of disconnection in line

Country Status (1)

Country Link
JP (1) JPS54147441A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139215A (ja) * 1984-12-07 1986-06-26 ソニー株式会社 制御配線の断線検出回路
JPS6348117A (ja) * 1986-08-04 1988-02-29 シ−メンス、アクチエンゲゼルシヤフト 開閉器の制御装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139215A (ja) * 1984-12-07 1986-06-26 ソニー株式会社 制御配線の断線検出回路
JPS6348117A (ja) * 1986-08-04 1988-02-29 シ−メンス、アクチエンゲゼルシヤフト 開閉器の制御装置

Also Published As

Publication number Publication date
JPS6314563B2 (enrdf_load_stackoverflow) 1988-03-31

Similar Documents

Publication Publication Date Title
DK521688D0 (da) Sikkerhedsomskifter til forebyggelse af modsatte energistroemme i noedstroemsanlaeg
TW305499U (en) Device for preventing an electrical equipment from re-powering after recovery of service interruption
JPS54147441A (en) Detection system of disconnection in line
DE3882708D1 (de) Schaltungsanordnung zum erkennen des leerlaufs einer mit einem elektronischen schalter in reihe liegenden last.
JPS5359330A (en) Mis-output preventing system
JPS54109266A (en) Lighting equipment
ES482672A1 (es) Perfeccionamientos en los sistemas para detectar averias en consumidores electricos.
JPS5537640A (en) Overvoltage preventive circuit of multi-power supply
GB1146220A (en) An emergency power supply
JPS54125377A (en) Fault detector for load circuit in sequence control
SU1003346A1 (ru) Электронный ключ
SU570515A1 (ru) Устройство дл контрол исправности электроаппарата
JPS5284423A (en) Invertor protection device
JPS5762629A (en) Detecting device for fault of thyristor circuit
JPS5755611A (en) Josephson ac flip-flop circuit
SU437119A1 (ru) Устройство дл проверки исправности сигнальных ламп на постах
SU1398020A1 (ru) Способ защиты системы бесперебойного питани
JPS55146528A (en) Multiplexing electronic unit
JPS5493434A (en) Voltage switching circuit
JPS57177271A (en) Element malfunction diagnosing device for thyristor converter
JPS5282875A (en) Alarm-including charging apparatus for emergency lamps
JPS5290049A (en) Earth detection circuit
JPS57176401A (en) Malfunction preventing system for alarm circuit at input power supply application
JPS5654530A (en) Voltage abnormality detector
JPS5664620A (en) Method for supplying electric power in electronic weighing device