NL270093A - - Google Patents
Info
- Publication number
- NL270093A NL270093A NL270093DA NL270093A NL 270093 A NL270093 A NL 270093A NL 270093D A NL270093D A NL 270093DA NL 270093 A NL270093 A NL 270093A
- Authority
- NL
- Netherlands
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
- H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
- H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77192A US3083270A (en) | 1960-12-20 | 1960-12-20 | Pulse repeater marginal testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL270093A true NL270093A (US07902200-20110308-C00004.png) | 1900-01-01 |
Family
ID=22136604
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL270093D NL270093A (US07902200-20110308-C00004.png) | 1960-12-20 | ||
| NL134178D NL134178C (US07902200-20110308-C00004.png) | 1960-12-20 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL134178D NL134178C (US07902200-20110308-C00004.png) | 1960-12-20 |
Country Status (5)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3172042A (en) * | 1962-08-09 | 1965-03-02 | Willis R Dawirs | Precision phased pulse generator |
| US3308434A (en) * | 1963-01-09 | 1967-03-07 | Teletype Corp | Synchronization circuit for signal generators using comparison of a specific data message |
| US3649777A (en) * | 1968-04-26 | 1972-03-14 | Nippon Electric Co | Supervisory apparatus for pcm regenerative repeaters |
| FR2116685A5 (US07902200-20110308-C00004.png) * | 1970-12-03 | 1972-07-21 | Lachaise Jean | |
| GB1369847A (en) * | 1970-12-24 | 1974-10-09 | Sits Soc It Telecom Siemens | Fault location system for pcm transmission lines |
| US3786187A (en) * | 1971-03-23 | 1974-01-15 | Alitalia Spa | Apparatus for testing systems and data transmitting networks by simulation |
| US3864528A (en) * | 1973-08-22 | 1975-02-04 | Bell Northern Research Ltd | Fault locating system for a digital transmission system |
| US3906174A (en) * | 1973-11-16 | 1975-09-16 | Gte Automatic Electric Lab Inc | Cable pair testing arrangement |
| US3870838A (en) * | 1974-03-11 | 1975-03-11 | Bell Telephone Labor Inc | Means and apparatus for fault locating pulse regenerators |
| US4112263A (en) * | 1977-04-06 | 1978-09-05 | Gte Automatic Electric Laboratories Incorporated | Modified duobinary regenerative repeater testing arrangement |
| 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 |
| JPS55121766A (en) * | 1979-03-13 | 1980-09-19 | Anritsu Corp | Automatic searching system for fault position of pulse repeater |
| US4413229A (en) * | 1981-06-02 | 1983-11-01 | Grant William O | Method and apparatus for remote indication of faults in coaxial cable R-F transmission systems |
| US5317278A (en) * | 1990-07-23 | 1994-05-31 | Rc Concepts, Inc. | Switched active fault locate filter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2208417A (en) * | 1939-04-07 | 1940-07-16 | Bell Telephone Labor Inc | Transmission system |
| BE476340A (US07902200-20110308-C00004.png) * | 1946-03-27 | 1900-01-01 | ||
| FR1020907A (fr) * | 1950-06-14 | 1953-02-12 | Radio Industrie Sa | Procédés et moyens pour la transmission de signaux électriques |
| BE562784A (US07902200-20110308-C00004.png) * | 1956-11-30 |
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0
- NL NL270093D patent/NL270093A/xx unknown
- NL NL134178D patent/NL134178C/xx active
-
1960
- 1960-12-20 US US77192A patent/US3083270A/en not_active Expired - Lifetime
-
1961
- 1961-10-12 DE DEW30870A patent/DE1226635B/de active Pending
- 1961-11-29 GB GB42787/61A patent/GB970736A/en not_active Expired
- 1961-12-07 BE BE611233A patent/BE611233A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB970736A (en) | 1964-09-23 |
| NL134178C (US07902200-20110308-C00004.png) | 1900-01-01 |
| BE611233A (fr) | 1962-03-30 |
| DE1226635B (de) | 1966-10-13 |
| US3083270A (en) | 1963-03-26 |
