DE3854372D1 - Leitfähigkeits-Messanordnung. - Google Patents

Leitfähigkeits-Messanordnung.

Info

Publication number
DE3854372D1
DE3854372D1 DE3854372T DE3854372T DE3854372D1 DE 3854372 D1 DE3854372 D1 DE 3854372D1 DE 3854372 T DE3854372 T DE 3854372T DE 3854372 T DE3854372 T DE 3854372T DE 3854372 D1 DE3854372 D1 DE 3854372D1
Authority
DE
Germany
Prior art keywords
conductivity measuring
measuring arrangement
tested
electrodes
conductivity
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
DE3854372T
Other languages
English (en)
Other versions
DE3854372T2 (de
Inventor
Shohkichi Nakano
Akira Matsushita
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.)
NIHON SYSTEM RESEARCH INST Inc
Original Assignee
NIHON SYSTEM RESEARCH INST Inc
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 NIHON SYSTEM RESEARCH INST Inc filed Critical NIHON SYSTEM RESEARCH INST Inc
Application granted granted Critical
Publication of DE3854372D1 publication Critical patent/DE3854372D1/de
Publication of DE3854372T2 publication Critical patent/DE3854372T2/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
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DE3854372T 1987-10-27 1988-10-26 Leitfähigkeits-Messanordnung. Expired - Fee Related DE3854372T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62271351A JPH073444B2 (ja) 1987-10-27 1987-10-27 導電性測定装置

Publications (2)

Publication Number Publication Date
DE3854372D1 true DE3854372D1 (de) 1995-10-05
DE3854372T2 DE3854372T2 (de) 1996-02-08

Family

ID=17498855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3854372T Expired - Fee Related DE3854372T2 (de) 1987-10-27 1988-10-26 Leitfähigkeits-Messanordnung.

Country Status (5)

Country Link
US (1) US5068619A (de)
EP (1) EP0314088B1 (de)
JP (1) JPH073444B2 (de)
AT (1) ATE126991T1 (de)
DE (1) DE3854372T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE466987B (sv) * 1990-10-18 1992-05-11 Stiftelsen Ct Foer Dentaltekni Anordning foer djupselektiv icke-invasiv, lokal maetning av elektrisk impedans i organiska och biologiska material samt prob foer maetning av elektrisk impedans
US5217304A (en) * 1991-08-02 1993-06-08 The United States Of America As Represented By The United States Department Of Energy Electrical network method for the thermal or structural characterization of a conducting material sample or structure
US5610526A (en) * 1992-11-23 1997-03-11 The Narda Microwave Corp. Contact hazard meter having a human equivalent circuit
US5346307A (en) * 1993-06-03 1994-09-13 Regents Of The University Of California Using electrical resistance tomography to map subsurface temperatures
US7998080B2 (en) 2002-01-15 2011-08-16 Orsan Medical Technologies Ltd. Method for monitoring blood flow to brain
US8187197B2 (en) * 2002-01-15 2012-05-29 Orsan Medical Technologies Ltd. Cerebral perfusion monitor
US8211031B2 (en) 2002-01-15 2012-07-03 Orsan Medical Technologies Ltd. Non-invasive intracranial monitor
KR100416764B1 (ko) * 2002-03-21 2004-01-31 삼성전자주식회사 비침습적 생체온도 측정장치 및 그 방법
US7106043B1 (en) * 2002-09-17 2006-09-12 Bioluminate, Inc. Low capacitance measurement probe
WO2004098389A2 (en) * 2003-05-02 2004-11-18 Johns Hopkins University Devices, systems and methods for bioimpendence measurement of cervical tissue and methods for diagnosis and treatment of human cervix
KR101091271B1 (ko) 2003-09-12 2011-12-07 레날 리서치 인스티튜트, 엘엘씨 바이오임피던스 방법 및 장치
RU2284555C1 (ru) * 2005-06-01 2006-09-27 Николай Иванович РЫХЛИНСКИЙ Способ морской геоэлектроразведки с фокусировкой электрического тока (варианты)
US7327132B2 (en) * 2005-08-15 2008-02-05 University Of Denver Testing procedure for evaluating diffusion and leakage currents in insulators
US8031175B2 (en) * 2008-04-21 2011-10-04 Panasonic Corporation Touch sensitive remote control system that detects hand size characteristics of user and adapts mapping to screen display
EP2344034B1 (de) * 2008-10-07 2015-09-30 Orsan Medical Technologies Ltd. Überwachung von patienten mit akutem schlaganfall
CA2750715A1 (en) * 2009-01-27 2010-08-05 Scibase Ab Switch probe for multiple electrode measurement of impedance
US9307918B2 (en) 2011-02-09 2016-04-12 Orsan Medical Technologies Ltd. Devices and methods for monitoring cerebral hemodynamic conditions
JP5889113B2 (ja) * 2012-06-01 2016-03-22 鹿島建設株式会社 コンクリートの含水状態検出方法及びシステム
US11484217B2 (en) 2017-05-16 2022-11-01 The Regents Of The University Of Michigan Ocular impedance-based system for brain health monitoring
WO2020093389A1 (zh) 2018-11-09 2020-05-14 广东美的白色家电技术创新中心有限公司 可移动电动装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190321A (en) * 1937-12-22 1940-02-13 Geo Frequenta Corp Method and apparatus for geophysical prospecting
US2345608A (en) * 1940-05-07 1944-04-04 Frederick W Lee Geophysical prospecting
US3319158A (en) * 1964-07-09 1967-05-09 Halliburton Co Method of tracing grout in earth formations by measuring potential differences in the earth before and after introduction of the grout
US3382428A (en) * 1966-05-06 1968-05-07 Chevron Res Frequency spectrum analysis of injected coded signal and measured probe signal for geophysical prospecting
US3971366A (en) * 1974-11-25 1976-07-27 Hiroshi Motoyama Apparatus and method for measuring the condition of the meridians and the corresponding internal organs of the living body
US4041372A (en) * 1975-09-08 1977-08-09 Continental Oil Company Apparatus for multi-channel induced polarization surveying
US4178916A (en) * 1977-09-26 1979-12-18 Mcnamara Elger W Diabetic insulin alarm system
FR2444279A1 (fr) * 1978-12-14 1980-07-11 Onera (Off Nat Aerospatiale) Resistivimetre de surface
FR2492535A1 (fr) * 1980-10-17 1982-04-23 Onera (Off Nat Aerospatiale) Resistivimetre de surface
US4467283A (en) * 1981-09-23 1984-08-21 Geo-Optics, Ltd. Electrical geophysical exploration system with addressable current probes
DE3139835A1 (de) * 1981-10-07 1983-04-21 Gesellschaft für Strahlen- und Umweltforschung mbH, 8000 München Verfahren und einrichtung zur bestimmung des eindring- und auslaufvorgangs leitfaehiger phasen
JPS5928646A (ja) * 1982-08-11 1984-02-15 Kao Corp 皮膚水分含有量の測定方法およびその装置

Also Published As

Publication number Publication date
US5068619A (en) 1991-11-26
DE3854372T2 (de) 1996-02-08
EP0314088B1 (de) 1995-08-30
JPH073444B2 (ja) 1995-01-18
ATE126991T1 (de) 1995-09-15
JPH01113645A (ja) 1989-05-02
EP0314088A3 (en) 1990-06-27
EP0314088A2 (de) 1989-05-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8339 Ceased/non-payment of the annual fee