JPH0454410B2 - - Google Patents
Info
- Publication number
- JPH0454410B2 JPH0454410B2 JP58145506A JP14550683A JPH0454410B2 JP H0454410 B2 JPH0454410 B2 JP H0454410B2 JP 58145506 A JP58145506 A JP 58145506A JP 14550683 A JP14550683 A JP 14550683A JP H0454410 B2 JPH0454410 B2 JP H0454410B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- line
- station
- terminal station
- signals
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58145506A JPS6037846A (ja) | 1983-08-09 | 1983-08-09 | 打合せ回線信号伝送方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58145506A JPS6037846A (ja) | 1983-08-09 | 1983-08-09 | 打合せ回線信号伝送方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6037846A JPS6037846A (ja) | 1985-02-27 |
JPH0454410B2 true JPH0454410B2 (enrdf_load_html_response) | 1992-08-31 |
Family
ID=15386823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58145506A Granted JPS6037846A (ja) | 1983-08-09 | 1983-08-09 | 打合せ回線信号伝送方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6037846A (enrdf_load_html_response) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6942219B2 (en) | 2003-10-20 | 2005-09-13 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | Mechanical seal having a double-tier mating ring |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5586231A (en) * | 1978-12-25 | 1980-06-28 | Mitsubishi Electric Corp | Photo transmitter |
JPS564949A (en) * | 1979-06-26 | 1981-01-19 | Fujitsu Ltd | Transmission system for previous-arrangement supervisory signal |
-
1983
- 1983-08-09 JP JP58145506A patent/JPS6037846A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6037846A (ja) | 1985-02-27 |
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