KR860015259U - 경보용 전화 호출회로 - Google Patents

경보용 전화 호출회로

Info

Publication number
KR860015259U
KR860015259U KR2019850005409U KR850005409U KR860015259U KR 860015259 U KR860015259 U KR 860015259U KR 2019850005409 U KR2019850005409 U KR 2019850005409U KR 850005409 U KR850005409 U KR 850005409U KR 860015259 U KR860015259 U KR 860015259U
Authority
KR
South Korea
Prior art keywords
phone call
call circuit
alarm phone
alarm
circuit
Prior art date
Application number
KR2019850005409U
Other languages
English (en)
Other versions
KR870003376Y1 (ko
Inventor
정병용
Original Assignee
진완석
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 진완석 filed Critical 진완석
Priority to KR2019850005409U priority Critical patent/KR870003376Y1/ko
Publication of KR860015259U publication Critical patent/KR860015259U/ko
Application granted granted Critical
Publication of KR870003376Y1 publication Critical patent/KR870003376Y1/ko

Links

Classifications

    • 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
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
KR2019850005409U 1985-05-08 1985-05-08 경보용 전화 호출회로 KR870003376Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850005409U KR870003376Y1 (ko) 1985-05-08 1985-05-08 경보용 전화 호출회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850005409U KR870003376Y1 (ko) 1985-05-08 1985-05-08 경보용 전화 호출회로

Publications (2)

Publication Number Publication Date
KR860015259U true KR860015259U (ko) 1986-12-30
KR870003376Y1 KR870003376Y1 (ko) 1987-10-15

Family

ID=19242033

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850005409U KR870003376Y1 (ko) 1985-05-08 1985-05-08 경보용 전화 호출회로

Country Status (1)

Country Link
KR (1) KR870003376Y1 (ko)

Also Published As

Publication number Publication date
KR870003376Y1 (ko) 1987-10-15

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Legal Events

Date Code Title Description
A201 Request for examination
N231 Notification of change of applicant
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee