JPS5242065B1 - - Google Patents

Info

Publication number
JPS5242065B1
JPS5242065B1 JP47024104A JP2410472A JPS5242065B1 JP S5242065 B1 JPS5242065 B1 JP S5242065B1 JP 47024104 A JP47024104 A JP 47024104A JP 2410472 A JP2410472 A JP 2410472A JP S5242065 B1 JPS5242065 B1 JP S5242065B1
Authority
JP
Japan
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.)
Pending
Application number
JP47024104A
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 JPS5242065B1 publication Critical patent/JPS5242065B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/04—Shaping pulses by increasing duration; by decreasing duration
    • H03K5/05—Shaping pulses by increasing duration; by decreasing duration by the use of clock signals or other time reference signals
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
    • 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)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Power Engineering (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Analogue/Digital Conversion (AREA)
  • Feedback Control In General (AREA)
  • Manipulation Of Pulses (AREA)
JP47024104A 1971-03-15 1972-03-10 Pending JPS5242065B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12407071A 1971-03-15 1971-03-15

Publications (1)

Publication Number Publication Date
JPS5242065B1 true JPS5242065B1 (ja) 1977-10-21

Family

ID=22412563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47024104A Pending JPS5242065B1 (ja) 1971-03-15 1972-03-10

Country Status (10)

Country Link
US (1) US3735633A (ja)
JP (1) JPS5242065B1 (ja)
BE (1) BE780670A (ja)
CH (1) CH554539A (ja)
DE (1) DE2211971A1 (ja)
FR (1) FR2130249B1 (ja)
GB (2) GB1383953A (ja)
IT (1) IT950143B (ja)
NL (1) NL7203422A (ja)
SE (1) SE368623B (ja)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE268353C (ja) * 1947-09-02
SU129357A1 (ru) * 1959-06-27 1959-11-30 Ю.И. Иориш Прибор дл измерени расхода потока жидкости
US3117440A (en) * 1960-09-12 1964-01-14 Lockheed Aircraft Corp Densitometer
FR1287559A (fr) * 1961-02-01 1962-03-16 Rochar Electronique Procédé et dispositif de mesure de la densité d'un fluide
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
US3523446A (en) * 1967-03-21 1970-08-11 Kratky Otto Dr Dr E H Device for density determination
GB1266289A (ja) * 1970-06-10 1972-03-08

Also Published As

Publication number Publication date
GB1383953A (en) 1974-02-12
DE2211971A1 (de) 1972-09-21
BE780670A (fr) 1972-09-15
FR2130249A1 (ja) 1972-11-03
NL7203422A (ja) 1972-09-19
SE368623B (ja) 1974-07-08
IT950143B (it) 1973-06-20
CH554539A (de) 1974-09-30
US3735633A (en) 1973-05-29
FR2130249B1 (ja) 1976-10-29
GB1383951A (en) 1974-02-12

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