LU51405A1 - - Google Patents
Info
- Publication number
- LU51405A1 LU51405A1 LU51405A LU51405A LU51405A1 LU 51405 A1 LU51405 A1 LU 51405A1 LU 51405 A LU51405 A LU 51405A LU 51405 A LU51405 A LU 51405A LU 51405 A1 LU51405 A1 LU 51405A1
- Authority
- LU
- Luxembourg
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
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST24031A DE1236601B (de) | 1965-06-25 | 1965-06-25 | Schaltungsanordnung zur Pruefung von Verbindungsleitungen in Fernsprechvermittlungsanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU51405A1 true LU51405A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-08-24 |
Family
ID=7459945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU51405A LU51405A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-06-25 | 1966-06-24 |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3656158A (en) * | 1970-11-30 | 1972-04-11 | Audio Alert Corp | Integrated fully supervised fire alarm system |
| US5561380A (en) * | 1995-05-08 | 1996-10-01 | Chrysler Corporation | Fault detection system for electric automobile traction system having floating ground |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2414612A (en) * | 1944-10-18 | 1947-01-21 | American Telephone & Telegraph | Testing insulation |
| DE1129558B (de) * | 1960-10-26 | 1962-05-17 | Siemens Ag | Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen, die durch Pruefeinrichtungen geprueft werden |
| DE1153094B (de) * | 1960-11-16 | 1963-08-22 | Siemens Ag | Schaltungsanordnung zur Feststellung von Fehlern in Fernmeldevermittlungs-, insbesondere Fernsprechwaehlanlagen |
| US3354389A (en) * | 1963-10-24 | 1967-11-21 | Western Electric Co | Automatic high speed test apparatus for testing continuity and shorts simultaneouslyon a plurality of circuit paths |
| US3287633A (en) * | 1964-04-28 | 1966-11-22 | Mollo George Joseph | Apparatus including rotary drum means for testing a plurality of electrical circuits |
-
1965
- 1965-06-25 DE DEST24031A patent/DE1236601B/de active Pending
-
1966
- 1966-06-06 AT AT532166A patent/AT297806B/de not_active IP Right Cessation
- 1966-06-21 SE SE8419/66A patent/SE303791B/xx unknown
- 1966-06-22 US US559570A patent/US3489865A/en not_active Expired - Lifetime
- 1966-06-23 NL NL6608774A patent/NL6608774A/xx unknown
- 1966-06-24 LU LU51405A patent/LU51405A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3489865A (en) | 1970-01-13 |
| SE303791B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-09-09 |
| NL6608774A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-12-27 |
| AT297806B (de) | 1972-04-10 |
| DE1236601B (de) | 1967-03-16 |