NL7110406A - - Google Patents

Info

Publication number
NL7110406A
NL7110406A NL7110406A NL7110406A NL7110406A NL 7110406 A NL7110406 A NL 7110406A NL 7110406 A NL7110406 A NL 7110406A NL 7110406 A NL7110406 A NL 7110406A NL 7110406 A NL7110406 A NL 7110406A
Authority
NL
Netherlands
Application number
NL7110406A
Other versions
NL162743B (nl
NL162743C (nl
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of NL7110406A publication Critical patent/NL7110406A/xx
Publication of NL162743B publication Critical patent/NL162743B/xx
Application granted granted Critical
Publication of NL162743C publication Critical patent/NL162743C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/60—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrostatic variables, e.g. electrographic flaw testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R5/00—Instruments for converting a single current or a single voltage into a mechanical displacement
    • G01R5/28—Electrostatic instruments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making

Landscapes

  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
NL7110406.A 1970-07-30 1971-07-28 Inrichting voor het bepalen van de oppervlaktelading van een elektreet. NL162743C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5953170A 1970-07-30 1970-07-30

Publications (3)

Publication Number Publication Date
NL7110406A true NL7110406A (ref) 1972-02-01
NL162743B NL162743B (nl) 1980-01-15
NL162743C NL162743C (nl) 1980-06-16

Family

ID=22023564

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7110406.A NL162743C (nl) 1970-07-30 1971-07-28 Inrichting voor het bepalen van de oppervlaktelading van een elektreet.

Country Status (4)

Country Link
US (1) US3652932A (ref)
JP (1) JPS573022B1 (ref)
CA (1) CA944023A (ref)
NL (1) NL162743C (ref)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789294A (en) * 1972-07-19 1974-01-29 Chubu Seiki Kk Apparatus for measuring insulating and voltage resistant characteristics of articles
US3854337A (en) * 1973-10-01 1974-12-17 Us Atomic Energy Charge storage device
JPS52111515U (ref) * 1976-02-19 1977-08-24
US4264331A (en) * 1977-08-03 1981-04-28 Johnson Controls, Inc. Charged non-conductive polar gas sensing element and detection system
FR2475740A2 (fr) * 1980-02-11 1981-08-14 Lewiner Jacques Perfectionnements aux dispositifs de mesure de parametres susceptibles de modifier la charge d'un electret
FR2455286A1 (fr) * 1979-04-23 1980-11-21 Dreyfus Gerard Perfectionnements aux dispositifs de mesure des parametres susceptibles de modifier la charge d'un electret
EP0018293B1 (fr) * 1979-04-23 1985-03-27 Jacques Lewiner Perfectionnements aux dispositifs de mesure des paramètres susceptibles de modifier la charge d'un électret
US5187442A (en) * 1988-09-29 1993-02-16 Friedemann Freund Method and apparatus for charge distribution analysis
US4884031A (en) * 1988-09-29 1989-11-28 Friedemann Freund Method and apparatus for charge distribution analysis
US5388163A (en) * 1991-12-23 1995-02-07 At&T Corp. Electret transducer array and fabrication technique
US5405584A (en) * 1992-04-03 1995-04-11 Zito; Richard R. Device for detecting adsorbed molecules
US5835027A (en) * 1996-11-07 1998-11-10 Tyburski; Robert M. Residual charge effect traffic sensor
US6833687B2 (en) * 2003-04-18 2004-12-21 Agilent Technologies, Inc. Electromechanical power converter
US7525205B2 (en) * 2006-07-28 2009-04-28 Sanyo Electric Co., Ltd. Electric power generator
RU2393476C2 (ru) * 2008-08-26 2010-06-27 Государственное образовательное учреждение высшего профессионального образования Иркутский государственный университет Устройство для диагностики функционального состояния крови человека
JP6232047B2 (ja) * 2013-03-19 2017-11-22 仙台スマートマシーンズ株式会社 静電誘導型の振動発電装置及びその製造方法
CN104237605B (zh) * 2014-09-04 2018-01-09 兰州空间技术物理研究所 一种高压静电电压测量装置
CN105785103A (zh) * 2016-03-03 2016-07-20 兰州空间技术物理研究所 一种电容分压式卫星表面电位监测装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496461A (en) * 1967-05-25 1970-02-17 Bell Telephone Labor Inc Method of measuring the volume resistivity of thin,solid dielectric material utilizing the decay rates of a number of measured decay intervals

Also Published As

Publication number Publication date
CA944023A (en) 1974-03-19
JPS573022B1 (ref) 1982-01-19
JPS473491A (ref) 1972-02-21
NL162743B (nl) 1980-01-15
NL162743C (nl) 1980-06-16
US3652932A (en) 1972-03-28

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Legal Events

Date Code Title Description
V4 Discontinued because of reaching the maximum lifetime of a patent