NL6809522A - - Google Patents
Info
- Publication number
- NL6809522A NL6809522A NL6809522A NL6809522A NL6809522A NL 6809522 A NL6809522 A NL 6809522A NL 6809522 A NL6809522 A NL 6809522A NL 6809522 A NL6809522 A NL 6809522A NL 6809522 A NL6809522 A NL 6809522A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR113113A FR1537781A (fr) | 1967-07-05 | 1967-07-05 | Dispositif détecteur d'incidents sur ligne ou câble bifilaire |
| FR164635A FR95312E (fr) | 1967-07-05 | 1968-08-30 | Dispositif détecteur d'incidents sur ligne ou cable bifilaire. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6809522A true NL6809522A (enExample) | 1969-01-07 |
Family
ID=34839856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6809522A NL6809522A (enExample) | 1967-07-05 | 1968-07-05 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR95312E (enExample) |
| NL (1) | NL6809522A (enExample) |
-
1968
- 1968-07-05 NL NL6809522A patent/NL6809522A/xx unknown
- 1968-08-30 FR FR164635A patent/FR95312E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR95312E (fr) | 1970-08-21 |