KR920017120U - Interface device of telephone line - Google Patents

Interface device of telephone line

Info

Publication number
KR920017120U
KR920017120U KR2019910002853U KR910002853U KR920017120U KR 920017120 U KR920017120 U KR 920017120U KR 2019910002853 U KR2019910002853 U KR 2019910002853U KR 910002853 U KR910002853 U KR 910002853U KR 920017120 U KR920017120 U KR 920017120U
Authority
KR
South Korea
Prior art keywords
interface device
telephone line
telephone
interface
line
Prior art date
Application number
KR2019910002853U
Other languages
Korean (ko)
Other versions
KR930006728Y1 (en
Inventor
서칠수
Original Assignee
금성계전 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 금성계전 주식회사 filed Critical 금성계전 주식회사
Priority to KR2019910002853U priority Critical patent/KR930006728Y1/en
Publication of KR920017120U publication Critical patent/KR920017120U/en
Application granted granted Critical
Publication of KR930006728Y1 publication Critical patent/KR930006728Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/002—Telephonic communication systems specially adapted for combination with other electrical systems with telemetering systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
KR2019910002853U 1991-02-28 1991-02-28 Interface of telephone line KR930006728Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910002853U KR930006728Y1 (en) 1991-02-28 1991-02-28 Interface of telephone line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910002853U KR930006728Y1 (en) 1991-02-28 1991-02-28 Interface of telephone line

Publications (2)

Publication Number Publication Date
KR920017120U true KR920017120U (en) 1992-09-17
KR930006728Y1 KR930006728Y1 (en) 1993-10-06

Family

ID=19311359

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910002853U KR930006728Y1 (en) 1991-02-28 1991-02-28 Interface of telephone line

Country Status (1)

Country Link
KR (1) KR930006728Y1 (en)

Also Published As

Publication number Publication date
KR930006728Y1 (en) 1993-10-06

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Legal Events

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

Payment date: 20000925

Year of fee payment: 8

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