JPS4015721B1 - - Google Patents
Info
- Publication number
- JPS4015721B1 JPS4015721B1 JP5155363A JP5155363A JPS4015721B1 JP S4015721 B1 JPS4015721 B1 JP S4015721B1 JP 5155363 A JP5155363 A JP 5155363A JP 5155363 A JP5155363 A JP 5155363A JP S4015721 B1 JPS4015721 B1 JP S4015721B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/11—Locating faults in cables, transmission lines, or networks using pulse reflection methods
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Locating Faults (AREA)
- Radar Systems Or Details Thereof (AREA)
- Amplifiers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5155363A JPS4015721B1 (enExample) | 1962-09-28 | 1963-09-28 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES81760A DE1233488B (de) | 1962-09-28 | 1962-09-28 | Verstaerkerschaltung zur Entzerrung der bei einer nach der Impulsreflexionsmethode arbeitenden Anordnung zum Bestimmen von Fehler- oder Inhomogenitaetsstellen einer elektrischen Leitung auftretenden reflektierten Impulsspannungen |
| JP5155363A JPS4015721B1 (enExample) | 1962-09-28 | 1963-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4015721B1 true JPS4015721B1 (enExample) | 1965-07-21 |
Family
ID=7509855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5155363A Pending JPS4015721B1 (enExample) | 1962-09-28 | 1963-09-28 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3255406A (enExample) |
| JP (1) | JPS4015721B1 (enExample) |
| DE (1) | DE1233488B (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3517306A (en) * | 1968-06-25 | 1970-06-23 | Bell Telephone Labor Inc | Signal reflection type fault location system utilizing a low frequency test signal with test signal cancellation in signal display apparatus |
| US3911358A (en) * | 1969-05-21 | 1975-10-07 | German Mikhailovich Shalyt | Method of and device for determining the distance to a fault in a wire or cable line |
| DE2004848A1 (de) * | 1970-02-03 | 1971-08-19 | Siemens Ag | Schaltungsanordnung zum Ermitteln von Fehler oder Inhomogemtatsstellen auf elektrischen Leitungen bzw Kabeln |
| CA1044760A (en) * | 1974-10-09 | 1978-12-19 | Lim C. Hwa | Methods and equipment for testing reflection points of transmission lines |
| CH609181A5 (enExample) * | 1975-06-12 | 1979-02-15 | Bbc Brown Boveri & Cie | |
| GB1580435A (en) * | 1976-06-08 | 1980-12-03 | Post Office | Method and apparatus for testing transmission lines |
| US4887041A (en) * | 1988-02-17 | 1989-12-12 | University Of Connecticut | Method and instrumentation for the detection, location and characterization of partial discharges and faults in electric power cables |
| US5367255A (en) * | 1991-12-02 | 1994-11-22 | Mts System Corp | Magnetostrictive position transducer with band passed mode converter output for rejecting mechanical noise |
| US5272439A (en) * | 1992-02-21 | 1993-12-21 | University Of Connecticut | Method and apparatus for the detection and location of faults and partial discharges in shielded cables |
| DE4220409C2 (de) * | 1992-06-19 | 1995-07-20 | Siemens Ag | Verfahren zum Gewinnung von Anomalien einer zu untersuchenden Leitung |
| US5461318A (en) * | 1994-06-08 | 1995-10-24 | Borchert; Marshall B. | Apparatus and method for improving a time domain reflectometer |
| US6382029B1 (en) * | 2000-03-07 | 2002-05-07 | The United States Of America As Represented By The Secretary Of Commerce | Apparatus and method for utilizing electromagnetic acoustic transducers to non-destructively analyze in-service conductive materials |
| US8187897B2 (en) * | 2008-08-19 | 2012-05-29 | International Business Machines Corporation | Fabricating product chips and die with a feature pattern that contains information relating to the product chip |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE465284A (enExample) * | 1943-06-04 | |||
| DE1004667B (de) * | 1952-03-29 | 1957-03-21 | Iapatelholdia Patentverwertung | Einrichtung zur Kompensation von in einem UEbertragungssystem entstehenden Verzerrungen |
| DE1085194B (de) * | 1957-05-09 | 1960-07-14 | Deutsche Bundespost | Verfahren zur Beseitigung von Verzerrungen in Verstaerkern |
-
1962
- 1962-09-28 DE DES81760A patent/DE1233488B/de active Pending
-
1963
- 1963-09-25 US US311595A patent/US3255406A/en not_active Expired - Lifetime
- 1963-09-28 JP JP5155363A patent/JPS4015721B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3255406A (en) | 1966-06-07 |
| DE1233488B (de) | 1967-02-02 |