FR2548364B1 - Mecanisme de conversion d'un poids en une frequence - Google Patents

Mecanisme de conversion d'un poids en une frequence

Info

Publication number
FR2548364B1
FR2548364B1 FR8409962A FR8409962A FR2548364B1 FR 2548364 B1 FR2548364 B1 FR 2548364B1 FR 8409962 A FR8409962 A FR 8409962A FR 8409962 A FR8409962 A FR 8409962A FR 2548364 B1 FR2548364 B1 FR 2548364B1
Authority
FR
France
Prior art keywords
converting
frequency
weight
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
Application number
FR8409962A
Other languages
English (en)
Other versions
FR2548364A1 (fr
Inventor
Yuzuru Nishiguchi
Shigeru Uchiyama
Masaaki Kobayashi
Tohru Yanaka
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.)
Shinko Denshi Co Ltd
Original Assignee
Shinko Denshi Co Ltd
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 Shinko Denshi Co Ltd filed Critical Shinko Denshi Co Ltd
Publication of FR2548364A1 publication Critical patent/FR2548364A1/fr
Application granted granted Critical
Publication of FR2548364B1 publication Critical patent/FR2548364B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/10—Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/16—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of frequency of oscillations of the body
    • G01G3/165—Constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
    • G01L1/162—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S177/00—Weighing scales
    • Y10S177/11—Vibrators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Gyroscopes (AREA)
FR8409962A 1983-06-30 1984-06-25 Mecanisme de conversion d'un poids en une frequence Expired FR2548364B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58117114A JPS6010122A (ja) 1983-06-30 1983-06-30 荷重変換機構

Publications (2)

Publication Number Publication Date
FR2548364A1 FR2548364A1 (fr) 1985-01-04
FR2548364B1 true FR2548364B1 (fr) 1986-09-19

Family

ID=14703764

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8409962A Expired FR2548364B1 (fr) 1983-06-30 1984-06-25 Mecanisme de conversion d'un poids en une frequence

Country Status (5)

Country Link
US (1) US4544858A (fr)
JP (1) JPS6010122A (fr)
DE (1) DE3423501A1 (fr)
FR (1) FR2548364B1 (fr)
GB (1) GB2142430B (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8325861D0 (en) * 1983-09-28 1983-11-02 Syrinx Presicion Instr Ltd Force transducer
JPS61194325A (ja) * 1985-02-25 1986-08-28 Shinko Denshi Kk 力変換機構
EP0195876B1 (fr) * 1985-03-25 1989-02-01 K-TRON Patent AG Dispositif pour mesurer une masse et une force
JPS623630A (ja) * 1985-06-29 1987-01-09 Teraoka Seiko Co Ltd 荷重検出用振動子
US4697657A (en) * 1985-10-21 1987-10-06 Alcor Inc Piezoelectric weighing device
US4623030A (en) * 1985-10-21 1986-11-18 Alcor, Inc. Piezoelectric ratio weighing device
US4656383A (en) * 1986-02-14 1987-04-07 The Singer Company-Kearfott Division Vibrating beam force transducer with single isolator spring
US4658174A (en) * 1986-03-20 1987-04-14 The Singer Company-Kearfott Division Vibrating beam force transducer with angled isolator springs
US4658175A (en) * 1986-03-26 1987-04-14 The Singer Company-Kearfott Division Vibrating beam force transducer with A-frame beam root and frequency adjusting means
JPS6345520A (ja) * 1986-05-20 1988-02-26 Shinko Denshi Kk 振動式荷重測定装置
EP0313570B1 (fr) * 1986-07-01 1992-02-26 Sensor International Capteur de force du type a vibrations
JPS63298015A (ja) * 1987-05-29 1988-12-05 Japan Atom Energy Res Inst 真空重量計測装置
US4856350A (en) * 1987-10-22 1989-08-15 Hanson Richard A Force sensing device and method
FR2622970B1 (fr) * 1987-11-05 1990-06-01 Esselte Moreau Sa Transducteur de force feuillete en forme de double diapason,son procede de fabrication,et son application dans une cellule de charge
DE3832719A1 (de) * 1987-11-27 1989-06-08 Sartorius Gmbh Parallelfuehrungssystem fuer elektronische waagen
DE3833221C2 (de) * 1987-11-27 1997-01-30 Sartorius Gmbh Systemträger für oberschalige elektronische Präzisionswaagen
EP0327372B1 (fr) * 1988-02-03 1993-09-01 Yoshida Kogyo K.K. Générateur piézoélectrique de vibration et convoyeur de pièces entraîné par ce générateur
DK0514374T3 (da) * 1989-03-23 1996-06-03 Seca Gmbh Apparat til måling af belastning
CA2018064C (fr) * 1989-06-08 1996-04-16 Kaspar Saner Transducteur de force et methode de fabrication de ce transducteur
FR2669426B1 (fr) * 1990-11-16 1993-10-29 Onera Transducteur de force a poutre vibrante piezoelectrique pour capteur accelerometrique.
US5336854A (en) 1992-04-03 1994-08-09 Weigh-Tronix, Inc. Electronic force sensing load cell
US5391844A (en) 1992-04-03 1995-02-21 Weigh-Tronix Inc Load cell
US5442146A (en) 1992-04-03 1995-08-15 Weigh-Tronix, Inc. Counting scale and load cell assembly therefor
US5313023A (en) 1992-04-03 1994-05-17 Weigh-Tronix, Inc. Load cell
JP2002365123A (ja) 2001-06-11 2002-12-18 Yamato Scale Co Ltd 水晶振動子を用いた荷重センサ
CN100405011C (zh) * 2007-07-09 2008-07-23 北京信息工程学院 新型压电石英水平姿态传感器
JP2009121950A (ja) * 2007-11-15 2009-06-04 Shinko Denshi Kk 音叉振動式荷重センサ
CH713600A2 (de) 2017-03-21 2018-09-28 Digi Sens Ag Vorrichtung und Verfahren zum Messen einer Last.
WO2018170610A2 (fr) * 2017-03-21 2018-09-27 Digi Sens Ag Dispositif et procédé servant à mesurer une charge
DE102019135732B4 (de) * 2019-12-23 2021-09-23 Neura Robotics GmbH Vorrichtung zur Messung einer Längenänderung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH447653A (de) * 1964-11-27 1967-11-30 Wirth Armin Elektrischer Massen- und Kraftmesser
US3470400A (en) * 1967-12-21 1969-09-30 Singer General Precision Single beam force transducer with integral mounting isolation
CH497691A (de) * 1968-07-24 1970-10-15 Sauter Kg August Elektromechanischer Kraft-Frequenzwandler für Waagen
JPS4819064U (fr) * 1971-07-12 1973-03-03
US4179004A (en) * 1978-02-15 1979-12-18 National Controls, Inc. Force multiplying load cell
JPS5856422B2 (ja) * 1978-04-07 1983-12-14 横河電機株式会社 力変換機構
JPS5856425B2 (ja) * 1978-10-11 1983-12-14 横河電機株式会社 力変換機構
US4215570A (en) * 1979-04-20 1980-08-05 The United States Of America As Represented By The United States Department Of Energy Miniature quartz resonator force transducer
US4406966A (en) * 1980-01-28 1983-09-27 Paroscientific, Inc. Isolating and temperature compensating system for resonators
JPS5750013U (fr) * 1980-09-05 1982-03-20
US4384495A (en) * 1980-11-17 1983-05-24 Quartex, Inc. Mounting system for applying forces to load-sensitive resonators
US4435666A (en) * 1981-05-26 1984-03-06 Nippon Electric Co., Ltd. Lever actuator comprising a longitudinal-effect electroexpansive transducer and designed to prevent actuation from degrading the actuator

Also Published As

Publication number Publication date
JPS6010122A (ja) 1985-01-19
DE3423501C2 (fr) 1988-11-24
DE3423501A1 (de) 1985-01-10
US4544858A (en) 1985-10-01
FR2548364A1 (fr) 1985-01-04
GB2142430A (en) 1985-01-16
GB8415891D0 (en) 1984-07-25
GB2142430B (en) 1986-12-17
JPH0349059B2 (fr) 1991-07-26

Similar Documents

Publication Publication Date Title
FR2548364B1 (fr) Mecanisme de conversion d'un poids en une frequence
EP0262812A3 (en) Buck-boost parallel resonant converter
BE868836A (fr) Installation pour preparer des portions en tranches d'un poids defini
GB2146550B (en) Conversion flask
EP0248555A3 (en) Reclosable box liner
GB2102231B (en) Triangle waveform generator having a loop delay compensation network
GB8418196D0 (en) Electromechanical conversion machine
EG14787A (en) Strap for forming a readily disengageable antireverse seales strap connection
ES541858A0 (es) Un aparato de conversion de frecuencias con caracteristicas relativas a armonicos mejoradas
GB2196436B (en) Turbine flowmeter
GB2148638B (en) A/d converters
DE3468900D1 (en) Pitch conversion
DE3564911D1 (en) Method for preparing a catalyst for the synthesis of 1,2-dichloroethane
GB8431178D0 (en) Solid phase synthesis
FR2525614B1 (fr) Procede pour la preparation de polyester a haut poids moleculaire
GB2100539B (en) Frequency converter employing a diode bridge
ZA857361B (en) Synthesis converter
JPS57139625A (en) Induced vibration converter
GB8420338D0 (en) Drum conversion
GB8600997D0 (en) Prostaglandin synthesis
GB8608885D0 (en) Solid phase synthesis linkage
Farnsworth The evolutionary significance of dreaming; a theoretical synthesis.
PL242114A1 (en) Catalytic reactor for so dow 2 conversion
GB8625184D0 (en) Weight transducer
GB8421681D0 (en) Solid phase synthesis linkage