IN145034B - - Google Patents
Info
- Publication number
- IN145034B IN145034B IN1036/CAL/76A IN1036CA1976A IN145034B IN 145034 B IN145034 B IN 145034B IN 1036CA1976 A IN1036CA1976 A IN 1036CA1976A IN 145034 B IN145034 B IN 145034B
- Authority
- IN
- India
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/401—Monitoring; Testing of relay systems with selective localization
- H04B17/406—Monitoring; Testing of relay systems with selective localization using coded addresses
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Time-Division Multiplex Systems (AREA)
- Communication Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT25817/75A IT1040148B (it) | 1975-07-28 | 1975-07-28 | Sistema di telesorveglianza per sistemi di trasmissione pcm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN145034B true IN145034B (US20090163788A1-20090625-C00002.png) | 1978-08-12 |
Family
ID=11217816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1036/CAL/76A IN145034B (US20090163788A1-20090625-C00002.png) | 1975-07-28 | 1976-06-15 |
Country Status (10)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4278850A (en) * | 1978-04-11 | 1981-07-14 | Kokusai Denshin Denwa Co., Ltd. | Monitoring system for optical transmission line repeaters |
| US4161635A (en) * | 1978-07-31 | 1979-07-17 | Bell Telephone Laboratories, Incorporated | Address verification system |
| US4161634A (en) * | 1978-07-31 | 1979-07-17 | Bell Telephone Laboratories, Incorporated | Count-down addressing system |
| US4451916A (en) * | 1980-05-12 | 1984-05-29 | Harris Corporation | Repeatered, multi-channel fiber optic communication network having fault isolation system |
| US4455644A (en) * | 1981-12-16 | 1984-06-19 | Telesciences, Inc. | Telecommunication fault detecting system |
| GB2127653B (en) * | 1982-09-15 | 1986-10-15 | Standard Telephones Cables Ltd | Supervision of digital transmission systems |
| US4654807A (en) * | 1983-12-06 | 1987-03-31 | Paradyne Corporation | Method of measuring communication channel impairement in polling applications |
| US4630268A (en) * | 1984-08-30 | 1986-12-16 | Rockwell International Corporation | Communication circuit loopback test apparatus |
| DE3638147A1 (de) * | 1986-11-08 | 1988-05-11 | Standard Elektrik Lorenz Ag | Digitales nachrichtenuebertragungssystem mit adressen aufweisenden zwischenregeneratoren und einrichtung zur fehlerortung |
| US4896317A (en) * | 1987-02-20 | 1990-01-23 | Fujitsu Limited | Supervisory system for a primary group digital transmission line |
| US5212475A (en) * | 1988-05-18 | 1993-05-18 | Siemens Aktiengesellschaft | Method for generating an alarm inhibit signal |
| US4980887A (en) * | 1988-10-27 | 1990-12-25 | Seiscor Technologies | Digital communication apparatus and method |
| JPH0622353B2 (ja) * | 1988-11-28 | 1994-03-23 | 富士通株式会社 | 伝送路の監視方式 |
| US5680405A (en) * | 1992-09-11 | 1997-10-21 | Teltrend Incorporated | Remote reporting system for digital transmission line elements |
| US5422876A (en) * | 1993-09-07 | 1995-06-06 | Southwestern Bell Technology Resources, Inc. | Out-of-band loopback control scheme |
| WO2002078222A1 (en) * | 2001-03-28 | 2002-10-03 | Telefonaktiebolaget L M Ericsson | Separate control line for maintenance of repeaters of a digital subscriber line |
| US7792089B2 (en) * | 2002-07-31 | 2010-09-07 | Cattron-Theimeg, Inc. | System and method for wireless remote control of locomotives |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2060989A5 (US20090163788A1-20090625-C00002.png) * | 1969-12-24 | 1971-06-18 | Sits Soc It Telecom Siemens | |
| DE2212079A1 (de) * | 1970-11-16 | 1973-02-22 | Sits Soc It Telecom Siemens | Fernueberwachungssystem fuer ein pcm-uebertragungssystem |
| GB1369847A (en) * | 1970-12-24 | 1974-10-09 | Sits Soc It Telecom Siemens | Fault location system for pcm transmission lines |
-
1975
- 1975-07-28 IT IT25817/75A patent/IT1040148B/it active
-
1976
- 1976-06-15 IN IN1036/CAL/76A patent/IN145034B/en unknown
- 1976-07-06 TR TR19510A patent/TR19510A/xx unknown
- 1976-07-20 NZ NZ181514A patent/NZ181514A/xx unknown
- 1976-07-22 NO NO762574A patent/NO145450C/no unknown
- 1976-07-26 BR BR7604821A patent/BR7604821A/pt unknown
- 1976-07-27 AU AU16281/76A patent/AU497196B2/en not_active Expired
- 1976-07-28 IE IE1677/76A patent/IE44531B1/en unknown
- 1976-07-28 DE DE19762633922 patent/DE2633922A1/de not_active Withdrawn
- 1976-07-28 US US05/709,445 patent/US4069402A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NZ181514A (en) | 1979-07-11 |
| TR19510A (tr) | 1979-03-29 |
| AU1628176A (en) | 1978-02-02 |
| NO145450B (no) | 1981-12-14 |
| US4069402A (en) | 1978-01-17 |
| IE44531B1 (en) | 1981-12-30 |
| IE44531L (en) | 1977-01-28 |
| DE2633922A1 (de) | 1977-02-10 |
| NO145450C (no) | 1982-03-24 |
| NO762574L (US20090163788A1-20090625-C00002.png) | 1977-01-31 |
| BR7604821A (pt) | 1977-08-09 |
| AU497196B2 (en) | 1978-12-07 |
| IT1040148B (it) | 1979-12-20 |
