KR870002758U - 민방공용 싸이렌의 오경보 차단장치 - Google Patents

민방공용 싸이렌의 오경보 차단장치

Info

Publication number
KR870002758U
KR870002758U KR2019850009873U KR850009873U KR870002758U KR 870002758 U KR870002758 U KR 870002758U KR 2019850009873 U KR2019850009873 U KR 2019850009873U KR 850009873 U KR850009873 U KR 850009873U KR 870002758 U KR870002758 U KR 870002758U
Authority
KR
South Korea
Prior art keywords
siren
civil engineering
blocking device
false alarm
alarm blocking
Prior art date
Application number
KR2019850009873U
Other languages
English (en)
Other versions
KR880002512Y1 (ko
Inventor
신상일
Original Assignee
신상일
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 신상일 filed Critical 신상일
Priority to KR2019850009873U priority Critical patent/KR880002512Y1/ko
Publication of KR870002758U publication Critical patent/KR870002758U/ko
Application granted granted Critical
Publication of KR880002512Y1 publication Critical patent/KR880002512Y1/ko

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
    • G08B29/18—Prevention or correction of operating errors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/14—Central alarm receiver or annunciator arrangements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Alarm Systems (AREA)
KR2019850009873U 1985-07-31 1985-07-31 민방공용 싸이렌의 오경보 차단장치 KR880002512Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850009873U KR880002512Y1 (ko) 1985-07-31 1985-07-31 민방공용 싸이렌의 오경보 차단장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850009873U KR880002512Y1 (ko) 1985-07-31 1985-07-31 민방공용 싸이렌의 오경보 차단장치

Publications (2)

Publication Number Publication Date
KR870002758U true KR870002758U (ko) 1987-03-18
KR880002512Y1 KR880002512Y1 (ko) 1988-07-13

Family

ID=19244433

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850009873U KR880002512Y1 (ko) 1985-07-31 1985-07-31 민방공용 싸이렌의 오경보 차단장치

Country Status (1)

Country Link
KR (1) KR880002512Y1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100441983B1 (ko) * 2002-04-20 2004-07-30 김조권 섬유강화복합재료의 매듭성형 편직권선장치

Also Published As

Publication number Publication date
KR880002512Y1 (ko) 1988-07-13

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Legal Events

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