KR920010676U - Interphone mosquito call and call circuit - Google Patents

Interphone mosquito call and call circuit

Info

Publication number
KR920010676U
KR920010676U KR2019900018110U KR900018110U KR920010676U KR 920010676 U KR920010676 U KR 920010676U KR 2019900018110 U KR2019900018110 U KR 2019900018110U KR 900018110 U KR900018110 U KR 900018110U KR 920010676 U KR920010676 U KR 920010676U
Authority
KR
South Korea
Prior art keywords
call
circuit
interphone mosquito
interphone
mosquito
Prior art date
Application number
KR2019900018110U
Other languages
Korean (ko)
Other versions
KR930002741Y1 (en
Inventor
임남국
Original Assignee
현대전자산업 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 현대전자산업 주식회사 filed Critical 현대전자산업 주식회사
Priority to KR2019900018110U priority Critical patent/KR930002741Y1/en
Publication of KR920010676U publication Critical patent/KR920010676U/en
Application granted granted Critical
Publication of KR930002741Y1 publication Critical patent/KR930002741Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
KR2019900018110U 1990-11-23 1990-11-23 Interphone circuit KR930002741Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900018110U KR930002741Y1 (en) 1990-11-23 1990-11-23 Interphone circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900018110U KR930002741Y1 (en) 1990-11-23 1990-11-23 Interphone circuit

Publications (2)

Publication Number Publication Date
KR920010676U true KR920010676U (en) 1992-06-17
KR930002741Y1 KR930002741Y1 (en) 1993-05-19

Family

ID=19305798

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900018110U KR930002741Y1 (en) 1990-11-23 1990-11-23 Interphone circuit

Country Status (1)

Country Link
KR (1) KR930002741Y1 (en)

Also Published As

Publication number Publication date
KR930002741Y1 (en) 1993-05-19

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20020417

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee