DE3886821D1 - Spannungsdetektor. - Google Patents
Spannungsdetektor.Info
- Publication number
- DE3886821D1 DE3886821D1 DE88108926T DE3886821T DE3886821D1 DE 3886821 D1 DE3886821 D1 DE 3886821D1 DE 88108926 T DE88108926 T DE 88108926T DE 3886821 T DE3886821 T DE 3886821T DE 3886821 D1 DE3886821 D1 DE 3886821D1
- Authority
- DE
- Germany
- Prior art keywords
- voltage detector
- detector
- voltage
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/07—Non contact-making probes
- G01R1/071—Non contact-making probes containing electro-optic elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/241—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption
- G01R15/242—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption based on the Pockels effect, i.e. linear electro-optic effect
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Tests Of Electronic Circuits (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62142063A JPH0695111B2 (ja) | 1987-06-05 | 1987-06-05 | 電圧検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3886821D1 true DE3886821D1 (de) | 1994-02-17 |
DE3886821T2 DE3886821T2 (de) | 1994-04-28 |
Family
ID=15306567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88108926T Expired - Fee Related DE3886821T2 (de) | 1987-06-05 | 1988-06-03 | Spannungsdetektor. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4887026A (de) |
EP (1) | EP0293922B1 (de) |
JP (1) | JPH0695111B2 (de) |
DE (1) | DE3886821T2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5272434A (en) * | 1987-06-20 | 1993-12-21 | Schlumberger Technologies, Inc. | Method and apparatus for electro-optically testing circuits |
US4928058A (en) * | 1989-05-23 | 1990-05-22 | The University Of Rochester | Electro-optic signal measurement |
US5190541A (en) * | 1990-10-17 | 1993-03-02 | Boston Scientific Corporation | Surgical instrument and method |
JP3220252B2 (ja) * | 1992-09-10 | 2001-10-22 | 浜松ホトニクス株式会社 | Eoプローブ |
US5412330A (en) * | 1993-06-16 | 1995-05-02 | Tektronix, Inc. | Optical module for an optically based measurement system |
DE4416298A1 (de) * | 1994-05-09 | 1995-11-16 | Abb Research Ltd | Verfahren und Vorrichtung zur optischen Ermittlung einer physikalischen Größe |
US5808473A (en) * | 1994-08-04 | 1998-09-15 | Nippon Telegraph & Telephone Corp. | Electric signal measurement apparatus using electro-optic sampling by one point contact |
JP3485685B2 (ja) * | 1995-08-04 | 2004-01-13 | オリンパス株式会社 | 屈折率分布型単レンズ |
DE19634251A1 (de) * | 1996-08-26 | 1998-03-05 | Abb Patent Gmbh | Spannungswandler |
DE29707379U1 (de) * | 1997-04-24 | 1997-06-19 | PMK Mess- und Kommunikationstechnik GmbH, 63150 Heusenstamm | Gerät zur Messung von Hochspannung an Hochspannungsleitungen |
JP4656282B2 (ja) * | 2004-02-27 | 2011-03-23 | 日本電気株式会社 | 磁界測定装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2036264A5 (de) * | 1969-03-10 | 1970-12-24 | Walter Transformateurs M | |
JPS5155273A (en) * | 1974-11-09 | 1976-05-14 | Eto Goro | Hikarihenseigatakendenki |
NL180882C (nl) * | 1976-05-31 | 1987-05-04 | Philips Nv | Optisch koppelelement en optische koppelinrichting met zulke koppelelementen. |
JPS56157872A (en) * | 1980-05-10 | 1981-12-05 | Sumitomo Electric Ind Ltd | Light-applying voltage and electric field sensor |
US4364639A (en) * | 1980-08-25 | 1982-12-21 | Northern Telecom Limited | Variable attenuation electro-optic device |
JPS57168167A (en) * | 1981-04-10 | 1982-10-16 | Meidensha Electric Mfg Co Ltd | Electric field/voltage detector |
US4446425A (en) * | 1982-02-12 | 1984-05-01 | The University Of Rochester | Measurement of electrical signals with picosecond resolution |
US4618819A (en) * | 1984-03-27 | 1986-10-21 | The University Of Rochester | Measurement of electrical signals with subpicosecond resolution |
US4603293A (en) * | 1984-03-27 | 1986-07-29 | University Of Rochester | Measurement of electrical signals with subpicosecond resolution |
US4762403A (en) * | 1984-04-13 | 1988-08-09 | Canon Kabushiki Kaisha | Imaging optical system having a distributed index lens |
EP0197196A1 (de) * | 1985-03-08 | 1986-10-15 | The University Of Rochester | Elektro-elektronenoptisches Oszilloskop zur Zeitauflösung elektrischer Wellenzüge im Picosekundenbereich |
-
1987
- 1987-06-05 JP JP62142063A patent/JPH0695111B2/ja not_active Expired - Fee Related
-
1988
- 1988-06-03 EP EP88108926A patent/EP0293922B1/de not_active Expired - Lifetime
- 1988-06-03 DE DE88108926T patent/DE3886821T2/de not_active Expired - Fee Related
- 1988-06-03 US US07/201,888 patent/US4887026A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63305259A (ja) | 1988-12-13 |
DE3886821T2 (de) | 1994-04-28 |
EP0293922A3 (en) | 1990-06-06 |
EP0293922B1 (de) | 1994-01-05 |
EP0293922A2 (de) | 1988-12-07 |
JPH0695111B2 (ja) | 1994-11-24 |
US4887026A (en) | 1989-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |