DE3751125D1 - Feuchtigkeitsmesskreis. - Google Patents

Feuchtigkeitsmesskreis.

Info

Publication number
DE3751125D1
DE3751125D1 DE3751125T DE3751125T DE3751125D1 DE 3751125 D1 DE3751125 D1 DE 3751125D1 DE 3751125 T DE3751125 T DE 3751125T DE 3751125 T DE3751125 T DE 3751125T DE 3751125 D1 DE3751125 D1 DE 3751125D1
Authority
DE
Germany
Prior art keywords
measuring circuit
moisture measuring
moisture
circuit
measuring
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
DE3751125T
Other languages
English (en)
Other versions
DE3751125T2 (de
Inventor
Yuzi Ando
Yuichi Mori
Hirokazu Tahara
Tatsuya Tsuda
Masato Nakatani
Masanobu Fujii
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.)
Sharp Corp
Original Assignee
Sharp Corp
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
Priority claimed from JP61023556A external-priority patent/JPS62180258A/ja
Priority claimed from JP1599186U external-priority patent/JPH0533957Y2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of DE3751125D1 publication Critical patent/DE3751125D1/de
Application granted granted Critical
Publication of DE3751125T2 publication Critical patent/DE3751125T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
    • G01N25/62—Investigating or analyzing materials by the use of thermal means by investigating moisture content by psychrometric means, e.g. wet-and-dry bulb thermometers
    • G01N25/64—Investigating or analyzing materials by the use of thermal means by investigating moisture content by psychrometric means, e.g. wet-and-dry bulb thermometers using electric temperature-responsive elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
    • H05B6/6458—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using humidity or vapor sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • G01N21/72—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using flame burners
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electric Ovens (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
DE3751125T 1986-02-04 1987-01-30 Feuchtigkeitsmesskreis. Expired - Fee Related DE3751125T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61023556A JPS62180258A (ja) 1986-02-04 1986-02-04 湿度検知回路
JP1599186U JPH0533957Y2 (de) 1986-02-06 1986-02-06

Publications (2)

Publication Number Publication Date
DE3751125D1 true DE3751125D1 (de) 1995-04-13
DE3751125T2 DE3751125T2 (de) 1995-08-10

Family

ID=26352226

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3751125T Expired - Fee Related DE3751125T2 (de) 1986-02-04 1987-01-30 Feuchtigkeitsmesskreis.

Country Status (7)

Country Link
US (1) US4768378A (de)
EP (1) EP0232817B1 (de)
KR (1) KR890004076B1 (de)
AU (1) AU574947B2 (de)
CA (1) CA1287986C (de)
DE (1) DE3751125T2 (de)
NZ (1) NZ219136A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6258893U (de) * 1985-09-30 1987-04-11
AU657016B2 (en) * 1991-12-16 1995-02-23 Sharp Kabushiki Kaisha A circuit for humidity detection
US5343746A (en) * 1992-02-20 1994-09-06 Samsung Electronics Co., Ltd. Humidity sensing apparatus
KR950011628B1 (ko) * 1992-11-27 1995-10-06 엘지전자주식회사 전자레인지의 습도 검출장치와 방법
US5837884A (en) * 1994-12-29 1998-11-17 Tokin Corporation Humidity sensor using temperature sensing resistor controlled to be at constant temperature of more than 150° C.
US5578753A (en) * 1995-05-23 1996-11-26 Micro Weiss Electronics, Inc. Humidity and/or temperature control device
US5677476A (en) * 1996-02-06 1997-10-14 Endress + Hauser Conducta Gesellschaft Fuer Mess- Und Regeltechnik Mbh & Co. Sensor and transmitter with multiple outputs
US5739416A (en) * 1996-09-18 1998-04-14 California Instiute Of Technology Fast, high sensitivity dewpoint hygrometer
DE19711371C1 (de) * 1997-03-19 1998-08-27 Tekmar Elektronik Gmbh & Co Einrichtung und Verfahren zur Schnee- und Eismeldung
DE10019551A1 (de) * 2000-04-20 2001-10-25 Elk Ges Fuer Erstellung Layout Verfahren und Vorrichtung zur Ermittlung der relativen Feuchte in Luft-/Gasgemischen
RU2267057C2 (ru) 2000-11-21 2005-12-27 Эл Джи Электроникс Инк. Болометрический гигрометр, плита или печь с его использованием и способ регулирования плиты или печи
WO2004024276A1 (en) 2002-09-11 2004-03-25 Mattel, Inc. Breath-sensitive toy
CN108680286B (zh) * 2018-07-04 2019-12-10 杭州盘古自动化系统有限公司 一种用于高磁环境宽温区下高分辨率热流信号测量系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH629594A5 (en) * 1978-04-17 1982-04-30 Landis & Gyr Ag Sensor arrangement for measuring absolute humidity
US4419888A (en) * 1979-06-14 1983-12-13 Kabushikikaisha Shibaura Denshi Seisakusho Humidity measuring method
AU549317B2 (en) * 1980-08-22 1986-01-23 Commonwealth Scientific And Industrial Research Organisation Psychrometer
JPS6066146A (ja) * 1983-09-20 1985-04-16 Sharp Corp 絶対湿度測定回路
US4587393A (en) * 1984-01-05 1986-05-06 Matsushita Electric Industrial Co., Ltd. Heating apparatus having a sensor for terminating operation
CA1253592A (en) * 1985-02-15 1989-05-02 Tatsuya Tsuda Heating apparatus with humidity sensor

Also Published As

Publication number Publication date
KR870008181A (ko) 1987-09-24
EP0232817A2 (de) 1987-08-19
CA1287986C (en) 1991-08-27
AU574947B2 (en) 1988-07-14
US4768378A (en) 1988-09-06
EP0232817B1 (de) 1995-03-08
KR890004076B1 (en) 1989-10-18
AU6828787A (en) 1987-08-06
EP0232817A3 (en) 1990-09-05
DE3751125T2 (de) 1995-08-10
NZ219136A (en) 1989-11-28

Similar Documents

Publication Publication Date Title
DE3886244D1 (de) Kapazitätsmessschaltung.
DE3776226D1 (de) Verstaerkerschaltung.
DK590187D0 (da) Trykt-kredsloebsantenne
DE3751376D1 (de) Schaltungselement.
DE3770461D1 (de) Elektronisches neigungsmessgeraet.
DE69019670D1 (de) Verzögerungsmessschaltung.
DE3776271D1 (de) Messfuehlervorrichtung.
NL191620C (nl) Microgolf-vochtsensor.
DK638687D0 (da) Baereboelgereproducerende kredsloeb
DE3850629D1 (de) Adaptierbarer Schaltkreis.
DE3777906D1 (de) Diagnoseschaltung.
DE3883200D1 (de) Feuchtigkeitsmesser.
NL191619C (nl) Microgolf-vochtsensor.
DE3850811D1 (de) Abtastungsschaltung.
NO874390D0 (no) Piezoelelektriske sensorelementer.
DE3854419D1 (de) Abtastschaltung.
DE3777219D1 (de) Messwertaufnehmer.
DE3751125D1 (de) Feuchtigkeitsmesskreis.
DE69023388D1 (de) Feuchtigkeitsmessgerät.
DK437387A (da) Maalekredsloeb
DE3784896D1 (de) Messgeraet.
DE3750208D1 (de) Vorverstärkerschaltung.
DE3579686D1 (de) Feuchtigkeitsfuehler.
DE3764738D1 (de) Elekronische messeinrichtung.
DE3787037D1 (de) Halteschaltung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee