NL7209562A - - Google Patents

Info

Publication number
NL7209562A
NL7209562A NL7209562A NL7209562A NL7209562A NL 7209562 A NL7209562 A NL 7209562A NL 7209562 A NL7209562 A NL 7209562A NL 7209562 A NL7209562 A NL 7209562A NL 7209562 A NL7209562 A NL 7209562A
Authority
NL
Netherlands
Application number
NL7209562A
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 filed Critical
Publication of NL7209562A publication Critical patent/NL7209562A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • G01N2009/008—Schlatter vibrating vane type

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)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Amplifiers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
NL7209562A 1971-07-09 1972-07-10 NL7209562A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16102571A 1971-07-09 1971-07-09
US00308759A US3805174A (en) 1971-07-09 1972-11-22 Transformer coupled signal power feedback circuit

Publications (1)

Publication Number Publication Date
NL7209562A true NL7209562A (fr) 1973-01-11

Family

ID=26857438

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7209562A NL7209562A (fr) 1971-07-09 1972-07-10

Country Status (6)

Country Link
US (2) US3776024A (fr)
CA (1) CA961664A (fr)
DE (1) DE2232654C2 (fr)
FR (1) FR2145989A5 (fr)
GB (1) GB1383952A (fr)
NL (1) NL7209562A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7508772A (nl) * 1975-07-23 1977-01-25 Philips Nv Inrichting voor het opwekken van impulsvormige signalen.
AU1760483A (en) * 1982-08-05 1984-02-09 Treloar, W.J. And Sons Pty. Ltd. Resonant sensor for distinguishing fluids
US4546641A (en) * 1983-10-17 1985-10-15 International Telephone & Telegraph Corp. Densitometer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE268353C (fr) * 1947-09-02
SU129537A1 (ru) * 1959-10-23 1959-11-30 В.Г. Пешков Монорельсовый путь
US3117440A (en) * 1960-09-12 1964-01-14 Lockheed Aircraft Corp Densitometer
US3248634A (en) * 1962-08-28 1966-04-26 Itt Electronic ringing generator
US3293530A (en) * 1963-10-03 1966-12-20 Allis Chalmers Mfg Co Electrical power conversion system having output control means
US3426593A (en) * 1965-12-23 1969-02-11 Robert B Jacobs Vibrating transducer for flow and related measurements
GB1158790A (en) * 1965-12-29 1969-07-16 Solartron Electronic Group Improvements in Fluid Density Meters
US3307408A (en) * 1966-08-10 1967-03-07 Int Research & Dev Co Ltd Synchronous filter apparatus in which pass-band automatically tracks signal, useful for vibration analysis

Also Published As

Publication number Publication date
CA961664A (en) 1975-01-28
GB1383952A (en) 1974-02-12
US3805174A (en) 1974-04-16
DE2232654A1 (de) 1973-01-25
US3776024A (en) 1973-12-04
DE2232654C2 (de) 1982-08-12
FR2145989A5 (fr) 1973-02-23

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Legal Events

Date Code Title Description
BV The patent application has lapsed