ATE19551T1 - Vorrichtung zur kapazitaetsmessung fuer eine waegevorrichtung. - Google Patents

Vorrichtung zur kapazitaetsmessung fuer eine waegevorrichtung.

Info

Publication number
ATE19551T1
ATE19551T1 AT81400164T AT81400164T ATE19551T1 AT E19551 T1 ATE19551 T1 AT E19551T1 AT 81400164 T AT81400164 T AT 81400164T AT 81400164 T AT81400164 T AT 81400164T AT E19551 T1 ATE19551 T1 AT E19551T1
Authority
AT
Austria
Prior art keywords
capacity
capacity measurement
frequency
weighing
supplies
Prior art date
Application number
AT81400164T
Other languages
English (en)
Inventor
Gilbert Victor Dauge
Jacques Fernand Langlais
Original Assignee
Testut Aequitas
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 Testut Aequitas filed Critical Testut Aequitas
Application granted granted Critical
Publication of ATE19551T1 publication Critical patent/ATE19551T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G7/00—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
    • G01G7/06—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups by electrostatic action

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Networks Using Active Elements (AREA)
  • Measuring Fluid Pressure (AREA)
  • Surgical Instruments (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
  • Paper (AREA)
AT81400164T 1980-02-04 1981-02-03 Vorrichtung zur kapazitaetsmessung fuer eine waegevorrichtung. ATE19551T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8002376A FR2475231A1 (fr) 1980-02-04 1980-02-04 Dispositif de mesure de capacite, en particulier pour instrument de pesage
EP81400164A EP0033705B1 (de) 1980-02-04 1981-02-03 Vorrichtung zur Kapazitätsmessung für eine Wägevorrichtung

Publications (1)

Publication Number Publication Date
ATE19551T1 true ATE19551T1 (de) 1986-05-15

Family

ID=9238172

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81400164T ATE19551T1 (de) 1980-02-04 1981-02-03 Vorrichtung zur kapazitaetsmessung fuer eine waegevorrichtung.

Country Status (9)

Country Link
US (1) US4366875A (de)
EP (1) EP0033705B1 (de)
JP (1) JPS56122918A (de)
AT (1) ATE19551T1 (de)
AU (1) AU6669481A (de)
CA (1) CA1161074A (de)
DE (1) DE3174498D1 (de)
FR (1) FR2475231A1 (de)
ZA (1) ZA81663B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123157B (en) * 1982-06-22 1986-10-15 Peter Caleb Frederi Wolfendale Load cells
AU545387B2 (en) * 1982-10-05 1985-07-11 Yamato Scale Company, Limited Weight and force measuring device
JPS59120822A (ja) * 1982-12-17 1984-07-12 ヘンリ−，ジヨン，ステイ−ル 組合せ計量装置
FR2541450A1 (fr) * 1983-02-17 1984-08-24 Testut Aequitas Instrument de pesage electronique avec masse de reference
US4503922A (en) * 1983-05-26 1985-03-12 Bitronics, Inc. Electronic bathroom scale apparatus using planar coil sensors
DE3869511D1 (de) * 1987-08-04 1992-04-30 Tanita Seisakusho Kk Gewichtssensor vom kapazitaetstyp.
JPH01165920A (ja) * 1987-12-23 1989-06-29 Tokyo Electric Co Ltd 静電容量式電子秤
FR2634554B1 (fr) * 1988-07-25 1991-11-29 Moulinex Sa Dispositif de pesage electronique
US4970374A (en) * 1988-09-02 1990-11-13 Matsushita Electric Industrial Co., Ltd. Automatic heating appliance with weight sensor
US5183124A (en) * 1990-09-07 1993-02-02 John Borchard Compact self-adjusting weighing system having stable measurement resolution
US5672850A (en) * 1995-06-01 1997-09-30 Liu; Chung-Kuang Weight sensor with electrostatic capacitance
NL2007186C2 (nl) * 2011-07-28 2013-01-29 Fluid Well Instr B V Voor hoogfrequente storingen ongevoelige capacitieve meetschakeling.

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172493A (en) * 1961-07-17 1965-03-09 Oskar Glemser Apparatus for the continuous measurement of variations in the weight of a substance
US3314493A (en) * 1964-11-04 1967-04-18 Kennedy James Patrick Electrical weigh scale with capacitive transducer
US3480857A (en) * 1967-12-27 1969-11-25 Ibm Digital method and apparatus for measuring small inductances and capacitances
US3565195A (en) * 1969-04-16 1971-02-23 Sibany Mfg Corp Electrical weighing apparatus using capacitive flexible mat
BE756157A (fr) * 1969-09-19 1971-02-15 August Sauter K G Procede pour elever numeriquement au carre le rapport d'une frequence variable mesuree a une frequence fondamentale constante
FR2142732B1 (de) * 1971-06-24 1975-02-07 Commissariat Energie Atomique
US4041289A (en) * 1975-11-12 1977-08-09 Kulite Semiconductor Products, Inc. Digital scale or weighing apparatus
SU678323A1 (ru) * 1975-12-18 1979-08-05 Институт Горного Дела Ан Казахской Сср Способ взвешивани грузов на движущихс объектах
US4051721A (en) * 1976-01-13 1977-10-04 Scope Incorporated Capacitive force-measuring system
JPS5927849B2 (ja) * 1977-04-12 1984-07-09 株式会社タニタ製作所 デジタル表示秤の制御回路
US4191268A (en) * 1977-02-22 1980-03-04 Tanita Corporation Digital weighing machine
FR2404229A1 (fr) * 1977-09-23 1979-04-20 Testut Aequitas Dispositif de mesure de capacite d'un condensateur
FI57319C (fi) * 1977-10-14 1980-07-10 Vaisala Oy Foerfarande foer maetning av smao kapacitanser
US4273204A (en) * 1978-05-30 1981-06-16 The Jade Corporation Capacitive force load cell for weighing scale

Also Published As

Publication number Publication date
EP0033705A3 (en) 1981-08-26
DE3174498D1 (en) 1986-06-05
JPS56122918A (en) 1981-09-26
AU6669481A (en) 1981-08-13
ZA81663B (en) 1982-03-31
US4366875A (en) 1983-01-04
FR2475231B1 (de) 1983-08-05
EP0033705A2 (de) 1981-08-12
EP0033705B1 (de) 1986-04-30
FR2475231A1 (fr) 1981-08-07
CA1161074A (en) 1984-01-24

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties