FR977813A - Device for rapid testing of secondary cables and safety circuits - Google Patents
Device for rapid testing of secondary cables and safety circuitsInfo
- Publication number
- FR977813A FR977813A FR977813DA FR977813A FR 977813 A FR977813 A FR 977813A FR 977813D A FR977813D A FR 977813DA FR 977813 A FR977813 A FR 977813A
- Authority
- FR
- France
- Prior art keywords
- safety circuits
- rapid testing
- secondary cables
- cables
- rapid
- 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
Links
Classifications
-
- 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
- G01R31/58—Testing of lines, cables or conductors
- G01R31/60—Identification of wires in a multicore cable
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR977813T | 1942-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR977813A true FR977813A (en) | 1951-04-05 |
Family
ID=9520057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR977813D Expired FR977813A (en) | 1942-11-18 | 1942-11-18 | Device for rapid testing of secondary cables and safety circuits |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR977813A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818329A (en) * | 1972-08-01 | 1974-06-18 | Western Electric Co | Cable testing circuit employing a pair of diodes to detect specific conductor pair conditions |
US4074187A (en) * | 1976-11-30 | 1978-02-14 | Miller David H | Cable tester for multi-pair shielded cables |
US4277740A (en) * | 1979-10-22 | 1981-07-07 | Bell Telephone Laboratories, Incorporated | Cable tester for multipair cables |
-
1942
- 1942-11-18 FR FR977813D patent/FR977813A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818329A (en) * | 1972-08-01 | 1974-06-18 | Western Electric Co | Cable testing circuit employing a pair of diodes to detect specific conductor pair conditions |
US4074187A (en) * | 1976-11-30 | 1978-02-14 | Miller David H | Cable tester for multi-pair shielded cables |
US4277740A (en) * | 1979-10-22 | 1981-07-07 | Bell Telephone Laboratories, Incorporated | Cable tester for multipair cables |
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