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
Application number
DE88108926T
Other languages
English (en)
Other versions
DE3886821T2 (de
Inventor
Hironori Takahashi
Yutaka Tsuchiya
Shinichiro Aoshima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hamamatsu Photonics KK
Original Assignee
Hamamatsu Photonics KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Application granted granted Critical
Publication of DE3886821D1 publication Critical patent/DE3886821D1/de
Publication of DE3886821T2 publication Critical patent/DE3886821T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE88108926T 1987-06-05 1988-06-03 Spannungsdetektor. Expired - Fee Related DE3886821T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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