KR940004533U - Telephone line occupancy status detection device - Google Patents
Telephone line occupancy status detection deviceInfo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/82—Line monitoring circuits for call progress or status discrimination
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)
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 |
-
1992
- 1992-07-31 KR KR92014423U patent/KR0123180Y1/en not_active IP Right Cessation
Cited By (1)
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
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 | ||
FPAY | Annual fee payment |
Payment date: 20050331 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |