DE3835001C2 - - Google Patents
Info
- Publication number
- DE3835001C2 DE3835001C2 DE3835001A DE3835001A DE3835001C2 DE 3835001 C2 DE3835001 C2 DE 3835001C2 DE 3835001 A DE3835001 A DE 3835001A DE 3835001 A DE3835001 A DE 3835001A DE 3835001 C2 DE3835001 C2 DE 3835001C2
- Authority
- DE
- Germany
- Prior art keywords
- test
- audio frequency
- poles
- switch
- resistor
- 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 - Fee Related
Links
- 238000012360 testing method Methods 0.000 claims description 153
- 238000004804 winding Methods 0.000 claims description 36
- 239000003990 capacitor Substances 0.000 claims description 27
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 241000881711 Acipenser sturio Species 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- G01R31/54—Testing for continuity
-
- 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
-
- 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
- G01R31/52—Testing for short-circuits, leakage current or ground faults
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3835001A DE3835001A1 (de) | 1988-02-24 | 1988-10-14 | Pruefgeraet |
US07/305,300 US4947110A (en) | 1988-02-24 | 1989-02-01 | Test apparatus to check conditions and characteristics of power and communication networks |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3805755 | 1988-02-24 | ||
DE3835001A DE3835001A1 (de) | 1988-02-24 | 1988-10-14 | Pruefgeraet |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3835001A1 DE3835001A1 (de) | 1989-09-07 |
DE3835001C2 true DE3835001C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-02-07 |
Family
ID=25865152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3835001A Granted DE3835001A1 (de) | 1988-02-24 | 1988-10-14 | Pruefgeraet |
Country Status (2)
Country | Link |
---|---|
US (1) | US4947110A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
DE (1) | DE3835001A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5319306A (en) * | 1988-08-12 | 1994-06-07 | Mark Schuyler | Portable electrical line tester using audible tones to indicate voltage |
US5359290A (en) * | 1993-01-11 | 1994-10-25 | Actron Manufacturing Company | Method and apparatus using a pair of test circuits having LED indicators for testing engine sensors and ignition modules in vehicles |
US5394093A (en) * | 1993-04-30 | 1995-02-28 | Actron Manufacturing Company | Method and apparatus for testing vehicle engine sensors |
US8388604B2 (en) * | 2003-02-21 | 2013-03-05 | Dtherapeutics, Llc | Devices, systems, and methods for removing contrast from luminal organs |
US20100152607A1 (en) * | 2003-02-21 | 2010-06-17 | Kassab Ghassan S | Devices, systems, and methods for measuring parallel tissue conductance, luminal cross-sectional areas, fluid velocity, and/or determining plaque vulnerability using temperature |
US8406867B2 (en) * | 2003-02-21 | 2013-03-26 | Dtherapeutics, Llc | Balloon sizing of valve annulus for percutaneous valves |
DE102008040027A1 (de) * | 2008-06-30 | 2009-12-31 | Robert Bosch Gmbh | Elektronische Schaltung insbesondere zur Audio-Eingangs-AC-Diagnose |
US8706209B2 (en) | 2010-02-05 | 2014-04-22 | 3Dt Holdings, Llc | Devices, systems, and methods for measuring parallel tissue conductance, luminal cross-sectional areas, fluid velocity, and/or determining plaque vulnerability using temperature |
CN103119821B (zh) | 2010-09-30 | 2016-01-13 | Abb研究有限公司 | 多端hvdc系统的协调控制 |
CN104717595B (zh) * | 2015-03-16 | 2018-01-26 | 高创(苏州)电子有限公司 | 一种扬声器模组功能的检测方法、检测装置 |
EP4236208A3 (en) * | 2019-05-03 | 2023-11-08 | Panduit Corp. | Method of detecting a fault in a pulsed power distribution system |
US11784482B2 (en) * | 2020-10-20 | 2023-10-10 | Apple Inc. | Electrical connection monitoring using cable shielding |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3870950A (en) * | 1973-01-13 | 1975-03-11 | Taco Tafel Gmbh Co Kg | Overvoltage protected, battery powered electric circuit tester |
US3872384A (en) * | 1973-03-06 | 1975-03-18 | Taco Tafel Gmbh & Co Kg | Electrical wiring, circuit, energization, and resistance test apparatus |
DE2320808A1 (de) * | 1973-04-25 | 1974-11-14 | Heinrich C Kosmeier | Durchgangspruefer |
US4039937A (en) * | 1975-06-04 | 1977-08-02 | Taco-Tafel Gmbh & Co., Kg | Acoustic test apparatus for electrical networks including multi-phase power systems |
DE2703880C3 (de) * | 1977-01-31 | 1980-01-31 | Heinz 6102 Pfungstadt Laass | Elektrisches Prüfgerät mit akustischer, quantitativer Analoganzeige für Widerstand und Spannung |
DE2808869A1 (de) * | 1978-03-02 | 1979-09-13 | Heinz Laass | Elektrisches pruefgeraet mit akustischer analoganzeige fuer widerstand und durchgang |
DE2831865A1 (de) * | 1978-07-20 | 1980-02-07 | Heinz Laass | Kabelpruefgeraet |
DE2853713A1 (de) * | 1978-12-13 | 1980-07-03 | Heinz Laass | Elektrisches pruefgeraet |
DE2918959C2 (de) * | 1979-05-11 | 1983-05-11 | Robert Bosch Gmbh, 7000 Stuttgart | Elektrischer Durchgangsprüfer |
US4323738A (en) * | 1980-04-10 | 1982-04-06 | Oros Corporation | Portable telephone line test set |
DE3115498A1 (de) * | 1981-04-16 | 1983-02-17 | Heinz 6102 Pfungstadt Laaß | Elektrisches pruefgeraet |
US4496801A (en) * | 1982-10-12 | 1985-01-29 | Western Progress, Inc. | Splicing module test set |
US4691336A (en) * | 1986-10-10 | 1987-09-01 | Harris Corporation | Telephone test set having an auxiliary amplifier and speaker for permitting listening to line signals |
-
1988
- 1988-10-14 DE DE3835001A patent/DE3835001A1/de active Granted
-
1989
- 1989-02-01 US US07/305,300 patent/US4947110A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4947110A (en) | 1990-08-07 |
DE3835001A1 (de) | 1989-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |