DE2239995C3 - Elektronischer Massen- und Kraftmesser - Google Patents

Elektronischer Massen- und Kraftmesser

Info

Publication number
DE2239995C3
DE2239995C3 DE2239995A DE2239995A DE2239995C3 DE 2239995 C3 DE2239995 C3 DE 2239995C3 DE 2239995 A DE2239995 A DE 2239995A DE 2239995 A DE2239995 A DE 2239995A DE 2239995 C3 DE2239995 C3 DE 2239995C3
Authority
DE
Germany
Prior art keywords
frequency
evaluation device
display
strings
result
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
DE2239995A
Other languages
German (de)
English (en)
Other versions
DE2239995B2 (de
DE2239995A1 (de
Inventor
Mario Zuerich Gallo
Domenic Uster Melcher
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.)
Wirth Gallo & Co Zuerich (schweiz)
Original Assignee
Wirth Gallo & Co Zuerich (schweiz)
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 Wirth Gallo & Co Zuerich (schweiz) filed Critical Wirth Gallo & Co Zuerich (schweiz)
Publication of DE2239995A1 publication Critical patent/DE2239995A1/de
Publication of DE2239995B2 publication Critical patent/DE2239995B2/de
Application granted granted Critical
Publication of DE2239995C3 publication Critical patent/DE2239995C3/de
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
    • 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
    • Y10S73/00—Measuring and testing
    • Y10S73/01—Vibration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE2239995A 1972-05-16 1972-08-14 Elektronischer Massen- und Kraftmesser Expired DE2239995C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH728772A CH538678A (de) 1972-05-16 1972-05-16 Elektrischer Massen- und Kraftmesser

Publications (3)

Publication Number Publication Date
DE2239995A1 DE2239995A1 (de) 1973-12-06
DE2239995B2 DE2239995B2 (de) 1974-08-15
DE2239995C3 true DE2239995C3 (de) 1975-04-30

Family

ID=4322769

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2239995A Expired DE2239995C3 (de) 1972-05-16 1972-08-14 Elektronischer Massen- und Kraftmesser

Country Status (9)

Country Link
US (1) US3885427A (enExample)
CA (1) CA950485A (enExample)
CH (1) CH538678A (enExample)
DD (1) DD99223A5 (enExample)
DE (1) DE2239995C3 (enExample)
FR (1) FR2184688B1 (enExample)
IT (1) IT967353B (enExample)
NL (1) NL7211325A (enExample)
SE (1) SE385502B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2449765C2 (de) * 1974-10-19 1984-10-25 Maatschappij van Berkel's, Patent N.V., Rotterdam Vorrichtung zur Massenbestimmung von Schüttgut
DE2519727B2 (de) * 1975-05-02 1980-02-21 Maatschappij Van Berkel's, Patent N.V., Rotterdam (Niederlande) Verfahren zum Betrieb einer Wägevorrichtung
CH604148A5 (enExample) * 1976-02-09 1978-08-31 Wirth Gallo & Co
CH590464A5 (enExample) * 1976-02-09 1977-08-15 Wirth Gallo & Co
CH615749A5 (enExample) * 1977-07-28 1980-02-15 Wirth Gallo & Co
US4282762A (en) * 1979-10-29 1981-08-11 Kelsey-Hayes Company Load sensing transducer
US4478303A (en) * 1982-05-26 1984-10-23 Boyles Robert L Weighing scale
US4526247A (en) * 1983-01-18 1985-07-02 Ohaus Scale Corporation Weighing scale transducer
JP2562876B2 (ja) * 1986-05-07 1996-12-11 大和製衡 株式会社 計量装置
US5336854A (en) * 1992-04-03 1994-08-09 Weigh-Tronix, Inc. Electronic force sensing load cell
US5442146A (en) * 1992-04-03 1995-08-15 Weigh-Tronix, Inc. Counting scale and load cell assembly therefor
US5391844A (en) * 1992-04-03 1995-02-21 Weigh-Tronix Inc Load cell
US5313023A (en) * 1992-04-03 1994-05-17 Weigh-Tronix, Inc. Load cell
US5750937A (en) * 1996-03-07 1998-05-12 Weigh-Tronix, Inc. Multi-load cell force sensing apparatus
US20050061081A1 (en) * 2003-09-22 2005-03-24 Butler Andrew G. Dual wire differential strain based sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2912861A (en) * 1955-04-27 1959-11-17 Coyne Andre Method of and apparatus for the measurement and the control of the difference between two physical quantities
US3062052A (en) * 1958-04-28 1962-11-06 Shell Oil Co Apparatus for measuring variable physical conditions employing a sensing device generating a variable frequency signal
CH447653A (de) * 1964-11-27 1967-11-30 Wirth Gallo & Co Elektrischer Massen- und Kraftmesser
US3546943A (en) * 1968-05-03 1970-12-15 Us Navy Sea gravimeter
US3583225A (en) * 1969-08-13 1971-06-08 Charles G Wing Shipboard gravimeter
US3712395A (en) * 1970-11-16 1973-01-23 Franklin Electric Co Inc Weight sensing cell
DE2114167A1 (de) * 1971-03-24 1972-09-28 Sauter Kg August Verfahren zur elektronischen Frequenzvervielfachung,beispielsweise bei Saitenwaagen

Also Published As

Publication number Publication date
FR2184688A1 (enExample) 1973-12-28
CA950485A (en) 1974-07-02
DD99223A5 (enExample) 1973-07-20
FR2184688B1 (enExample) 1978-05-26
DE2239995B2 (de) 1974-08-15
SE385502B (sv) 1976-07-05
US3885427A (en) 1975-05-27
CH538678A (de) 1973-06-30
NL7211325A (enExample) 1973-11-20
IT967353B (it) 1974-02-28
DE2239995A1 (de) 1973-12-06

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee