FR2334089A1 - Dispositif de mesure de deplacement a distance sans contact - Google Patents

Dispositif de mesure de deplacement a distance sans contact

Info

Publication number
FR2334089A1
FR2334089A1 FR7537229A FR7537229A FR2334089A1 FR 2334089 A1 FR2334089 A1 FR 2334089A1 FR 7537229 A FR7537229 A FR 7537229A FR 7537229 A FR7537229 A FR 7537229A FR 2334089 A1 FR2334089 A1 FR 2334089A1
Authority
FR
France
Prior art keywords
variable capacitance
capacitance diode
plastic sheet
thickness variation
linear response
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.)
Granted
Application number
FR7537229A
Other languages
English (en)
Other versions
FR2334089B1 (fr
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.)
SAEME
Original Assignee
SAEME
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 SAEME filed Critical SAEME
Priority to FR7537229A priority Critical patent/FR2334089A1/fr
Publication of FR2334089A1 publication Critical patent/FR2334089A1/fr
Application granted granted Critical
Publication of FR2334089B1 publication Critical patent/FR2334089B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR7537229A 1975-12-05 1975-12-05 Dispositif de mesure de deplacement a distance sans contact Granted FR2334089A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7537229A FR2334089A1 (fr) 1975-12-05 1975-12-05 Dispositif de mesure de deplacement a distance sans contact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7537229A FR2334089A1 (fr) 1975-12-05 1975-12-05 Dispositif de mesure de deplacement a distance sans contact

Publications (2)

Publication Number Publication Date
FR2334089A1 true FR2334089A1 (fr) 1977-07-01
FR2334089B1 FR2334089B1 (fr) 1978-05-12

Family

ID=9163349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7537229A Granted FR2334089A1 (fr) 1975-12-05 1975-12-05 Dispositif de mesure de deplacement a distance sans contact

Country Status (1)

Country Link
FR (1) FR2334089A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998058230A1 (fr) * 1997-06-18 1998-12-23 Queensgate Instruments Limited Capacimicrometre

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105352584A (zh) * 2015-11-23 2016-02-24 电子科技大学 一种基于电容式传感器的微弱信号检测方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998058230A1 (fr) * 1997-06-18 1998-12-23 Queensgate Instruments Limited Capacimicrometre

Also Published As

Publication number Publication date
FR2334089B1 (fr) 1978-05-12

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse