JPS52442A - Alarm lamp circuit - Google Patents

Alarm lamp circuit

Info

Publication number
JPS52442A
JPS52442A JP7564875A JP7564875A JPS52442A JP S52442 A JPS52442 A JP S52442A JP 7564875 A JP7564875 A JP 7564875A JP 7564875 A JP7564875 A JP 7564875A JP S52442 A JPS52442 A JP S52442A
Authority
JP
Japan
Prior art keywords
alarm lamp
lamp circuit
circuit
disconnection
eliminates
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
JP7564875A
Other languages
Japanese (ja)
Inventor
Keiichi Yamada
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.)
Hitachi Ltd
TCM Corp
Original Assignee
Hitachi Ltd
Toyo Umpanki Co Ltd
TCM Corp
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 Hitachi Ltd, Toyo Umpanki Co Ltd, TCM Corp filed Critical Hitachi Ltd
Priority to JP7564875A priority Critical patent/JPS52442A/en
Publication of JPS52442A publication Critical patent/JPS52442A/en
Pending legal-status Critical Current

Links

Landscapes

  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Audible And Visible Signals (AREA)

Abstract

PURPOSE: The invention relates to an alarm lamp circuit of an electric train and eliminates stopping of function of a transistor load circuit due to disconnection of an alarm lamp by mere addition of a simple circuit element.
COPYRIGHT: (C)1977,JPO&Japio
JP7564875A 1975-06-23 1975-06-23 Alarm lamp circuit Pending JPS52442A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7564875A JPS52442A (en) 1975-06-23 1975-06-23 Alarm lamp circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7564875A JPS52442A (en) 1975-06-23 1975-06-23 Alarm lamp circuit

Publications (1)

Publication Number Publication Date
JPS52442A true JPS52442A (en) 1977-01-05

Family

ID=13582274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7564875A Pending JPS52442A (en) 1975-06-23 1975-06-23 Alarm lamp circuit

Country Status (1)

Country Link
JP (1) JPS52442A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4927250U (en) * 1972-06-06 1974-03-08
JPS4927250A (en) * 1972-03-31 1974-03-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4927250A (en) * 1972-03-31 1974-03-11
JPS4927250U (en) * 1972-06-06 1974-03-08

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