KR940004533U - Telephone line occupancy status detection device - Google Patents

Telephone line occupancy status detection device

Info

Publication number
KR940004533U
KR940004533U KR2019920014423U KR920014423U KR940004533U KR 940004533 U KR940004533 U KR 940004533U KR 2019920014423 U KR2019920014423 U KR 2019920014423U KR 920014423 U KR920014423 U KR 920014423U KR 940004533 U KR940004533 U KR 940004533U
Authority
KR
South Korea
Prior art keywords
detection device
telephone line
status detection
occupancy status
line occupancy
Prior art date
Application number
KR2019920014423U
Other languages
Korean (ko)
Other versions
KR0123180Y1 (en
Inventor
이재권
Original Assignee
엘지전자주식회사
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 엘지전자주식회사 filed Critical 엘지전자주식회사
Priority to KR92014423U priority Critical patent/KR0123180Y1/en
Publication of KR940004533U publication Critical patent/KR940004533U/en
Application granted granted Critical
Publication of KR0123180Y1 publication Critical patent/KR0123180Y1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/82Line monitoring circuits for call progress or status discrimination
KR92014423U 1992-07-31 1992-07-31 Telephone line occupied state detecting apparatus KR0123180Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR92014423U KR0123180Y1 (en) 1992-07-31 1992-07-31 Telephone line occupied state detecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR92014423U KR0123180Y1 (en) 1992-07-31 1992-07-31 Telephone line occupied state detecting apparatus

Publications (2)

Publication Number Publication Date
KR940004533U true KR940004533U (en) 1994-02-24
KR0123180Y1 KR0123180Y1 (en) 1998-10-01

Family

ID=19337808

Family Applications (1)

Application Number Title Priority Date Filing Date
KR92014423U KR0123180Y1 (en) 1992-07-31 1992-07-31 Telephone line occupied state detecting apparatus

Country Status (1)

Country Link
KR (1) KR0123180Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100443007B1 (en) * 2001-08-31 2004-08-04 엘지전자 주식회사 Apparatus and method for detecting MODEM initialization signal from asynchronous digital subscriber line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100443007B1 (en) * 2001-08-31 2004-08-04 엘지전자 주식회사 Apparatus and method for detecting MODEM initialization signal from asynchronous digital subscriber line

Also Published As

Publication number Publication date
KR0123180Y1 (en) 1998-10-01

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Legal Events

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