JPS5773411A - Announciator system - Google Patents

Announciator system

Info

Publication number
JPS5773411A
JPS5773411A JP55147593A JP14759380A JPS5773411A JP S5773411 A JPS5773411 A JP S5773411A JP 55147593 A JP55147593 A JP 55147593A JP 14759380 A JP14759380 A JP 14759380A JP S5773411 A JPS5773411 A JP S5773411A
Authority
JP
Japan
Prior art keywords
contact
ans
monitored
orignal
photocoupler
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
JP55147593A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6331839B2 (enrdf_load_stackoverflow
Inventor
Takaya Koga
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP55147593A priority Critical patent/JPS5773411A/ja
Publication of JPS5773411A publication Critical patent/JPS5773411A/ja
Publication of JPS6331839B2 publication Critical patent/JPS6331839B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Alarm Systems (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP55147593A 1980-10-23 1980-10-23 Announciator system Granted JPS5773411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55147593A JPS5773411A (en) 1980-10-23 1980-10-23 Announciator system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55147593A JPS5773411A (en) 1980-10-23 1980-10-23 Announciator system

Publications (2)

Publication Number Publication Date
JPS5773411A true JPS5773411A (en) 1982-05-08
JPS6331839B2 JPS6331839B2 (enrdf_load_stackoverflow) 1988-06-27

Family

ID=15433852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55147593A Granted JPS5773411A (en) 1980-10-23 1980-10-23 Announciator system

Country Status (1)

Country Link
JP (1) JPS5773411A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6331839B2 (enrdf_load_stackoverflow) 1988-06-27

Similar Documents

Publication Publication Date Title
EP0268338A3 (en) A light system for a vehicle, in particular a bicycle
EP0342703A3 (en) Light emitting type push button switch
NO822150L (no) Anordning til fremskaffelse av et manoevreringssignal, spesielt i forbindelse med en alarmsentral
JPS52101512A (en) Device for controlling operation of vehicle
JPS5773411A (en) Announciator system
JPS5559788A (en) Laser safety device
JPS5754445A (en) Power supply remote control system in optical transmitter
JPS52114331A (en) Safety control circuit for copying machine
DE3663999D1 (en) Optico-electronic level detector with double pick-up elements
JPS5570965A (en) Recording and reproducing unit
JPS56144184A (en) Ink detecting device
JPS5469269A (en) Emergency lamp lighting system
JPS6478452A (en) Video tape recorder
JPS55144202A (en) Optical fiber switch device
JPS5624330A (en) Display device of film feed rate of camera
JPS57147992A (en) Change-over unit of navigation light
JPS5769956A (en) Remote monitor device
JPS5586231A (en) Photo transmitter
JPS55113969A (en) Malfunction detector for diode
JPS56112625A (en) Detecting device for leakage of radioactive substance
JPS57189254A (en) Backup circuit for troubled part of control electronic computer
JPS54126460A (en) Laser scribing unit of semiconductor wafer
GB1363987A (en) device
JPS52100068A (en) Checking error device
JPS57212829A (en) Transmitter