ITRM920728A0 - Apparecchio di prova per l'indicazione di tensioni elettriche. - Google Patents
Apparecchio di prova per l'indicazione di tensioni elettriche.Info
- Publication number
- ITRM920728A0 ITRM920728A0 IT92RM728A ITRM920728A ITRM920728A0 IT RM920728 A0 ITRM920728 A0 IT RM920728A0 IT 92RM728 A IT92RM728 A IT 92RM728A IT RM920728 A ITRM920728 A IT RM920728A IT RM920728 A0 ITRM920728 A0 IT RM920728A0
- Authority
- IT
- Italy
- Prior art keywords
- indication
- test equipment
- electrical voltages
- voltages
- electrical
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/257—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with comparison of different reference values with the value of voltage or current, e.g. using step-by-step method
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4134695A DE4134695A1 (de) | 1991-10-21 | 1991-10-21 | Pruefgeraet zur anzeige elektrischer spannung |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM920728A0 true ITRM920728A0 (it) | 1992-10-07 |
ITRM920728A1 ITRM920728A1 (it) | 1994-04-07 |
IT1258863B IT1258863B (it) | 1996-03-01 |
Family
ID=6443080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM920728A IT1258863B (it) | 1991-10-21 | 1992-10-07 | Apparecchio di prova per l'indicazione di tensioni elettriche. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5293113A (it) |
DE (1) | DE4134695A1 (it) |
GB (1) | GB2260822B (it) |
IT (1) | IT1258863B (it) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5973501A (en) * | 1993-10-18 | 1999-10-26 | Metropolitan Industries, Inc. | Current and voltage probe for measuring harmonic distortion |
US5892363A (en) * | 1996-09-18 | 1999-04-06 | Roman; Francisco Jose | Electrostatic field measuring device based on properties of floating electrodes for detecting whether lightning is imminent |
US5939841A (en) * | 1996-10-31 | 1999-08-17 | Roman; Francisco | Method and apparatus using a floating electrode to extract energy from an electric field |
US5923130A (en) * | 1996-10-31 | 1999-07-13 | Roman; Francisco | Repetitive and constant energy impulse current generator |
US5952931A (en) * | 1997-01-07 | 1999-09-14 | Seagate Technology, Inc. | Checker box of wrist-strap monitoring |
US5814948A (en) * | 1997-01-14 | 1998-09-29 | Eastman Kodak Company | Flash circuit for low cost cameras |
US6259243B1 (en) | 1999-06-04 | 2001-07-10 | Lynn C. Lundquist | Method for electromagnetically shielding inductive voltage detectors |
US6377054B1 (en) | 1999-07-20 | 2002-04-23 | Ch. Beha Gmbh | Test device for electrical voltages with integrated illumination unit |
DE10023048B4 (de) * | 2000-05-11 | 2009-06-04 | Ch. Beha Gmbh Technische Neuentwicklungen | Wechselspannungsdedektor |
US6459252B1 (en) | 2001-01-18 | 2002-10-01 | Walter S. Bierer | AC phasing voltmeter |
DE10326066A1 (de) * | 2003-06-10 | 2005-01-05 | Beha Innovation Gmbh | Werkzeug mit Spannungserkennung |
ATE370421T1 (de) * | 2003-06-24 | 2007-09-15 | Chauvin Arnoux | Verfahren und vorrichtung zur erkennung der drehrichtung zweier phasen in einem dreiphasenspannungssystem |
US6998832B1 (en) * | 2004-02-26 | 2006-02-14 | Hd Electric Company | High-voltage indicating apparatus and method |
US7230411B2 (en) * | 2004-12-28 | 2007-06-12 | S&C Electric Co. | Voltage sensing apparatus for medium-voltage electrical power distribution systems |
US7282935B2 (en) * | 2006-01-24 | 2007-10-16 | Agilent Technologies, Inc. | Regenerator probe |
US8193802B2 (en) * | 2008-04-09 | 2012-06-05 | Milwaukee Electric Tool Corporation | Slidably attachable non-contact voltage detector |
US7893686B1 (en) * | 2008-06-05 | 2011-02-22 | Atherton John C | Power cord voltage indicator |
US8581609B2 (en) * | 2009-06-03 | 2013-11-12 | Fluke Corporation | Shielded antenna for system test of a non-contact voltage detector |
FR3028744A1 (fr) | 2014-11-25 | 2016-05-27 | Impeto Medical | Dispositif de releve de donnees electrophysiologiques de fiabilite accrue |
US10209339B1 (en) * | 2015-07-22 | 2019-02-19 | Verivolt Inc. | Self-adjusting single contact voltage sensor |
JP7172282B2 (ja) * | 2018-08-24 | 2022-11-16 | 日本電信電話株式会社 | コモンモード電圧測定装置およびコモンモード電圧測定方法 |
CN108872685B (zh) * | 2018-09-28 | 2024-07-02 | 广东电网有限责任公司 | 电压测量笔 |
JP7071645B2 (ja) * | 2019-01-15 | 2022-05-19 | 日本電信電話株式会社 | 容量性電圧測定装置 |
JP7328583B2 (ja) * | 2020-01-30 | 2023-08-17 | 日本電信電話株式会社 | 対地電圧測定における測定個人差補正システム |
JPWO2022239144A1 (it) * | 2021-05-12 | 2022-11-17 | ||
CN114217155B (zh) * | 2021-12-14 | 2023-08-22 | 广东电网有限责任公司 | 一种配网环网箱中二次小室压板的状态检测电路和终端 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3412392A (en) * | 1965-04-07 | 1968-11-19 | Gen Motors Corp | Potential level indicating circuit |
AT258411B (de) * | 1965-09-17 | 1967-11-27 | Micafil Ag | Reflexarmer Spannungsteiler für hohe Stoß-Spannungen |
US3786468A (en) * | 1972-09-22 | 1974-01-15 | M Moffitt | Electric field proximity safety alarm |
CA1145400A (en) * | 1978-02-16 | 1983-04-26 | Raymond A. Laperle | Ground-isolated electrostatic field detector |
US4205264A (en) * | 1978-04-25 | 1980-05-27 | Charles Gold | High impedance electrical testing instrument for AC and DC voltage detection and continuity testing |
US4189673A (en) * | 1978-05-01 | 1980-02-19 | Burroughs Corporation | Pen-shaped precision multi-level current mode logic test probe |
DE2830323A1 (de) * | 1978-07-10 | 1980-01-24 | Lauerer Friedrich | Spannungsmesser bzw. -pruefer |
DE2846675C3 (de) * | 1978-10-26 | 1981-08-13 | Siemens AG, 1000 Berlin und 8000 München | Prüfeinrichtung zum Anzeigen einer elektrischen Spannung und gegebenenfalls deren Polarität |
US4558309A (en) * | 1983-06-27 | 1985-12-10 | The Simco Company, Inc. | Ground tether continuity monitor |
US4859992A (en) * | 1984-01-06 | 1989-08-22 | Hoigaard Jan C | Electrostatic system monitor and method therefor |
DE3439504A1 (de) * | 1984-10-11 | 1986-04-30 | Hubertus 5948 Schmallenberg Schauerte | Einpoliges elektrisches pruefgeraet |
DE3505531A1 (de) * | 1985-02-18 | 1986-08-21 | Wolfgang Dipl.-Ing. 7500 Karlsruhe Schuster | Elektronisches mehrzweckanzeigegeraet |
US4758792A (en) * | 1985-09-13 | 1988-07-19 | Southwest Research Institute | Method for utilizing a spherical dipole probe for detecting faults in high voltage transmission line insulators |
US4785294A (en) * | 1986-06-24 | 1988-11-15 | Zero Corporation | Static monitoring system |
US5150038A (en) * | 1988-09-27 | 1992-09-22 | Hitachi Cable Limited | System for detecting the extraordinary approach of objects having earth potential toward a power transmission line |
US4916570A (en) * | 1989-05-11 | 1990-04-10 | Micron Technology, Inc. | Voltage comparator circuit for monitoring a process output voltage within a preset range |
US5105181A (en) * | 1990-08-17 | 1992-04-14 | Hydro-Quebec | Method and electrical measuring apparatus for analyzing the impedance of the source of an actual alternating voltage |
-
1991
- 1991-10-21 DE DE4134695A patent/DE4134695A1/de not_active Withdrawn
-
1992
- 1992-10-07 IT ITRM920728A patent/IT1258863B/it active IP Right Grant
- 1992-10-15 US US07/960,952 patent/US5293113A/en not_active Expired - Lifetime
- 1992-10-19 GB GB9221890A patent/GB2260822B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ITRM920728A1 (it) | 1994-04-07 |
DE4134695A1 (de) | 1993-04-22 |
IT1258863B (it) | 1996-03-01 |
GB2260822A (en) | 1993-04-28 |
GB9221890D0 (en) | 1992-12-02 |
GB2260822B (en) | 1995-06-28 |
US5293113A (en) | 1994-03-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961007 |