FR1602115A - - Google Patents

Info

Publication number
FR1602115A
FR1602115A FR1602115DA FR1602115A FR 1602115 A FR1602115 A FR 1602115A FR 1602115D A FR1602115D A FR 1602115DA FR 1602115 A FR1602115 A FR 1602115A
Authority
FR
France
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1602115A publication Critical patent/FR1602115A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00Measuring temperature based on the expansion or contraction of a material
    • G01K5/48Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/56Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
    • G01K5/58Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being constrained at more than one point, e.g. rod, plate, diaphragm
    • G01K5/60Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being constrained at more than one point, e.g. rod, plate, diaphragm the body being a flexible wire or ribbon
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/10Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FR1602115D 1967-09-21 1968-09-20 Expired FR1602115A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS672667 1967-09-21

Publications (1)

Publication Number Publication Date
FR1602115A true FR1602115A (nl) 1970-10-12

Family

ID=5414956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1602115D Expired FR1602115A (nl) 1967-09-21 1968-09-20

Country Status (4)

Country Link
CH (1) CH486685A (nl)
DE (1) DE1798269C3 (nl)
FR (1) FR1602115A (nl)
GB (1) GB1221551A (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2366539A1 (fr) * 1976-10-13 1978-04-28 Foxboro Co Emetteur de signal electrique pour un detecteur a fil vibrant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102072763A (zh) * 2010-11-05 2011-05-25 邓铁六 一种单线圈钢弦激发及接收电路
WO2015195024A1 (en) * 2014-06-18 2015-12-23 Sondero Technologies Ab Device for measuring vibration frequency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2366539A1 (fr) * 1976-10-13 1978-04-28 Foxboro Co Emetteur de signal electrique pour un detecteur a fil vibrant

Also Published As

Publication number Publication date
DE1798269A1 (de) 1971-11-25
GB1221551A (en) 1971-02-03
DE1798269B2 (de) 1975-01-23
CH486685A (de) 1970-02-28
DE1798269C3 (de) 1975-08-28

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Legal Events

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ST Notification of lapse