KR890021985U - 전화기를 이용한 경보장치 - Google Patents

전화기를 이용한 경보장치

Info

Publication number
KR890021985U
KR890021985U KR2019880004822U KR880004822U KR890021985U KR 890021985 U KR890021985 U KR 890021985U KR 2019880004822 U KR2019880004822 U KR 2019880004822U KR 880004822 U KR880004822 U KR 880004822U KR 890021985 U KR890021985 U KR 890021985U
Authority
KR
South Korea
Prior art keywords
telephone
alarm device
alarm
Prior art date
Application number
KR2019880004822U
Other languages
English (en)
Other versions
KR910005531Y1 (ko
Inventor
이민성
윤병석
Original Assignee
동양정밀공업 주식회사
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 동양정밀공업 주식회사 filed Critical 동양정밀공업 주식회사
Priority to KR2019880004822U priority Critical patent/KR910005531Y1/ko
Publication of KR890021985U publication Critical patent/KR890021985U/ko
Application granted granted Critical
Publication of KR910005531Y1 publication Critical patent/KR910005531Y1/ko

Links

Classifications

    • 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

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Alarm Systems (AREA)
KR2019880004822U 1988-04-04 1988-04-04 전화기를 이용한 경보장치 KR910005531Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880004822U KR910005531Y1 (ko) 1988-04-04 1988-04-04 전화기를 이용한 경보장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880004822U KR910005531Y1 (ko) 1988-04-04 1988-04-04 전화기를 이용한 경보장치

Publications (2)

Publication Number Publication Date
KR890021985U true KR890021985U (ko) 1989-11-03
KR910005531Y1 KR910005531Y1 (ko) 1991-07-27

Family

ID=19273924

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880004822U KR910005531Y1 (ko) 1988-04-04 1988-04-04 전화기를 이용한 경보장치

Country Status (1)

Country Link
KR (1) KR910005531Y1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017209344A1 (ko) * 2016-06-03 2017-12-07 최소영 조립식 블록완구 세트

Also Published As

Publication number Publication date
KR910005531Y1 (ko) 1991-07-27

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee