DE2459909C3 - Längen- oder Wegmesser - Google Patents

Längen- oder Wegmesser

Info

Publication number
DE2459909C3
DE2459909C3 DE2459909A DE2459909A DE2459909C3 DE 2459909 C3 DE2459909 C3 DE 2459909C3 DE 2459909 A DE2459909 A DE 2459909A DE 2459909 A DE2459909 A DE 2459909A DE 2459909 C3 DE2459909 C3 DE 2459909C3
Authority
DE
Germany
Prior art keywords
measuring
pulse
counter
generator
pulses
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
DE2459909A
Other languages
German (de)
English (en)
Other versions
DE2459909B2 (de
DE2459909A1 (de
Inventor
Claude Annecy Pelletier
Roger Annecy-Le-Vieux Velte
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.)
NTN SNR Roulements SA
Original Assignee
Societe Nouvelle de Roulements SNR SA
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 Societe Nouvelle de Roulements SNR SA filed Critical Societe Nouvelle de Roulements SNR SA
Publication of DE2459909A1 publication Critical patent/DE2459909A1/de
Publication of DE2459909B2 publication Critical patent/DE2459909B2/de
Application granted granted Critical
Publication of DE2459909C3 publication Critical patent/DE2459909C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/255—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE2459909A 1973-12-18 1974-12-18 Längen- oder Wegmesser Expired DE2459909C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7345271A FR2254779B1 (US07582779-20090901-C00044.png) 1973-12-18 1973-12-18

Publications (3)

Publication Number Publication Date
DE2459909A1 DE2459909A1 (de) 1975-06-26
DE2459909B2 DE2459909B2 (de) 1978-04-20
DE2459909C3 true DE2459909C3 (de) 1979-01-04

Family

ID=9129387

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2459909A Expired DE2459909C3 (de) 1973-12-18 1974-12-18 Längen- oder Wegmesser

Country Status (7)

Country Link
US (1) US4011500A (US07582779-20090901-C00044.png)
JP (1) JPS5093669A (US07582779-20090901-C00044.png)
DE (1) DE2459909C3 (US07582779-20090901-C00044.png)
FR (1) FR2254779B1 (US07582779-20090901-C00044.png)
GB (1) GB1473549A (US07582779-20090901-C00044.png)
IT (1) IT1027073B (US07582779-20090901-C00044.png)
SE (1) SE392967B (US07582779-20090901-C00044.png)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436399A2 (fr) * 1978-09-13 1980-04-11 Testut Aequitas Perfectionnement a l'inhibition des capacites parasites dans un dispositif de mesure de capacite
SE431683B (sv) * 1977-09-23 1984-02-20 Testut Aequitas Anordning for metning av kapacitansen hos en kondensator
FR2404229A1 (fr) * 1977-09-23 1979-04-20 Testut Aequitas Dispositif de mesure de capacite d'un condensateur
CA1139393A (en) * 1978-07-12 1983-01-11 Adrian P. Morris Displacement transducer system
FR2454083A1 (fr) * 1979-04-09 1980-11-07 Facom Dispositif de mesure de la position relative de deux objets
JPS56119474A (en) * 1980-02-25 1981-09-19 Nippon Denso Co Device for responding to refrigerang amount for refrigerant circulating apparatus
US4646009A (en) * 1982-05-18 1987-02-24 Ade Corporation Contacts for conductivity-type sensors
DE3732756A1 (de) * 1986-11-27 1988-06-09 Weinert E Messgeraetewerk Schaltungsanordnung zur messung kleiner kapazitaetsdifferenzen
US4851760A (en) * 1988-07-21 1989-07-25 Sandvik Special Metals Method and apparatus for measuring the straightness of tubes
JP3233791B2 (ja) * 1994-08-25 2001-11-26 株式会社山武 差動容量反転積分器及びこれを用いた静電容量変化量検出装置
US20110319772A1 (en) 2010-06-29 2011-12-29 Frank Ingle Lead motion sensing via cable microphonics
EP3438620B1 (en) * 2017-08-02 2020-09-30 Melexis Technologies NV Closed-loop oscillator based sensor interface circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877416A (en) * 1953-03-02 1959-03-10 Marconi Wireless Telegraph Co Phase measuring circuit arrangements
US2968031A (en) * 1955-02-24 1961-01-10 North American Aviation Inc Electronic micrometer
GB859267A (en) * 1959-06-25 1961-01-18 Mullard Ltd Improvements in or relating to measuring apparatus
GB990928A (en) * 1962-11-23 1965-05-05 Ass Elect Ind Improvements relating to apparatus for producing signals indicative of relative position
US3312892A (en) * 1964-05-04 1967-04-04 Technology Instr Corp Of Calif Contactless electrical transducer having moving parts
GB1102783A (en) * 1965-03-22 1968-02-07 English Electric Co Ltd Electrical signal phase comparator
US3452274A (en) * 1965-05-04 1969-06-24 Doble Eng Co Apparatus for measuring loss characteristics of dielectric test specimens including an electrical bridge with sine to square wave conversion means and integration means
JPS5412824B2 (US07582779-20090901-C00044.png) * 1972-04-20 1979-05-25
CA943187A (en) * 1972-06-29 1974-03-05 Her Majesty In Right Of Canada As Represented By The Minister Of The Env Ironment Wood slope-of-grain indicator

Also Published As

Publication number Publication date
SE392967B (sv) 1977-04-25
IT1027073B (it) 1978-11-20
FR2254779B1 (US07582779-20090901-C00044.png) 1980-02-08
FR2254779A1 (US07582779-20090901-C00044.png) 1975-07-11
GB1473549A (en) 1977-05-11
US4011500A (en) 1977-03-08
JPS5093669A (US07582779-20090901-C00044.png) 1975-07-25
DE2459909B2 (de) 1978-04-20
SE7415687L (US07582779-20090901-C00044.png) 1975-06-19
DE2459909A1 (de) 1975-06-26

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee