KR880001870Y1 - 간이 전송회로 - Google Patents
간이 전송회로 Download PDFInfo
- Publication number
- KR880001870Y1 KR880001870Y1 KR2019850001840U KR850001840U KR880001870Y1 KR 880001870 Y1 KR880001870 Y1 KR 880001870Y1 KR 2019850001840 U KR2019850001840 U KR 2019850001840U KR 850001840 U KR850001840 U KR 850001840U KR 880001870 Y1 KR880001870 Y1 KR 880001870Y1
- Authority
- KR
- South Korea
- Prior art keywords
- line
- transmission circuit
- resistor
- terminal
- simple transmission
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/42—Circuits for by-passing of ringing signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims (1)
- A기기에 평활콘덴서(C1, C2)와 직접회로(IC3)저항(R5, R6)트랜지스터(TR1)을 접속하였고 B기기에 트랜지스터(TR2)와 저항(R1, R2, R3, R4)로 연결하여서 된 두기기의 단말간에 전원선과 접지선을 신호선으로 사용할 수 있게된 간이 전송회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019850001840U KR880001870Y1 (ko) | 1985-02-25 | 1985-02-25 | 간이 전송회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019850001840U KR880001870Y1 (ko) | 1985-02-25 | 1985-02-25 | 간이 전송회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860011128U KR860011128U (ko) | 1986-09-10 |
KR880001870Y1 true KR880001870Y1 (ko) | 1988-05-21 |
Family
ID=19240198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019850001840U Expired KR880001870Y1 (ko) | 1985-02-25 | 1985-02-25 | 간이 전송회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR880001870Y1 (ko) |
-
1985
- 1985-02-25 KR KR2019850001840U patent/KR880001870Y1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR860011128U (ko) | 1986-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19850225 |
|
UG1501 | Laying open of application | ||
A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19871223 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19850225 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19880420 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19880729 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19880804 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19880804 |
|
UR1001 | Payment of annual fee |
Payment date: 19901221 Start annual number: 4 End annual number: 4 |
|
UR1001 | Payment of annual fee |
Payment date: 19911226 Start annual number: 5 End annual number: 5 |
|
UR1001 | Payment of annual fee |
Payment date: 19921211 Start annual number: 6 End annual number: 6 |
|
FPAY | Annual fee payment |
Payment date: 19940426 Year of fee payment: 7 |
|
UR1001 | Payment of annual fee |
Payment date: 19940426 Start annual number: 7 End annual number: 7 |
|
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |
Termination date: 19961125 Termination category: Default of registration fee |