CA993109A - Analog-to-digital converter employing electrostatic signal coupling apparatus - Google Patents

Analog-to-digital converter employing electrostatic signal coupling apparatus

Info

Publication number
CA993109A
CA993109A CA149,006A CA149006A CA993109A CA 993109 A CA993109 A CA 993109A CA 149006 A CA149006 A CA 149006A CA 993109 A CA993109 A CA 993109A
Authority
CA
Canada
Prior art keywords
analog
digital converter
coupling apparatus
signal coupling
electrostatic signal
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
CA149,006A
Other languages
English (en)
Other versions
CA149006S (en
Inventor
James E. Batz
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.)
Northern Illinois Gas Co
Original Assignee
Northern Illinois Gas Co
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 Northern Illinois Gas Co filed Critical Northern Illinois Gas Co
Application granted granted Critical
Publication of CA993109A publication Critical patent/CA993109A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
    • G01D5/2412—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying overlap
    • 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
    • H03M1/22—Analogue/digital converters pattern-reading type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
CA149,006A 1971-11-19 1972-08-09 Analog-to-digital converter employing electrostatic signal coupling apparatus Expired CA993109A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20036971A 1971-11-19 1971-11-19

Publications (1)

Publication Number Publication Date
CA993109A true CA993109A (en) 1976-07-13

Family

ID=22741435

Family Applications (1)

Application Number Title Priority Date Filing Date
CA149,006A Expired CA993109A (en) 1971-11-19 1972-08-09 Analog-to-digital converter employing electrostatic signal coupling apparatus

Country Status (8)

Country Link
US (1) US3766544A (OSRAM)
JP (1) JPS4860647A (OSRAM)
BE (1) BE791513A (OSRAM)
CA (1) CA993109A (OSRAM)
DE (1) DE2246660A1 (OSRAM)
FR (1) FR2160558A1 (OSRAM)
GB (1) GB1398533A (OSRAM)
IT (1) IT965279B (OSRAM)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT389008B (de) * 1976-10-29 1989-10-10 Elin Wasserwerkstechnik Ges Mb Einrichtung zur beruehrungslosen erzeugung von elektrischen impulsen
US4190826A (en) * 1977-05-18 1980-02-26 Bell Telephone Laboratories, Incorporated Multidevice position digital encoder
SE411392B (sv) * 1977-12-09 1979-12-17 Inst Mikrovagsteknik Vid Tekni Metanordning for kapacitiv bestemning av det inbordes leget hos tva relativt varandra rorliga delar
US4238781A (en) * 1979-02-09 1980-12-09 Westinghouse Electric Corp. Capacitive angular displacement transducer for remote meter reading
FR2489500A1 (fr) * 1980-08-28 1982-03-05 Option Sa Traducteur electrique de rotation ou de translation, utilisant un effet capacitif entre des elements conducteurs multiples en deplacement relatif guide
US4488152A (en) * 1982-02-01 1984-12-11 Schlumberger Canada Limited Register position sensing and controlling apparatus
EP0085623A3 (en) * 1982-02-01 1986-07-30 Schlumberger Canada Limited Register position sensing and controlling apparatus
US4471450A (en) * 1982-02-01 1984-09-11 Schlumberger Canada Limited Register position sensing and controlling apparatus
US4631539A (en) * 1983-01-19 1986-12-23 The Scott & Fetzer Company Digital pointer position detector
DE3310208A1 (de) * 1983-03-21 1984-10-04 Siemens AG, 1000 Berlin und 8000 München Ablesevorrichtung fuer den zaehlerstand eines rollenzaehlwerks
US4520325A (en) * 1984-04-04 1985-05-28 Tektronix, Inc. Phase shifters
KR890002319B1 (ko) * 1985-12-30 1989-06-30 이두수 회전체의 센서와 센서의 앤코더
US4779094A (en) * 1985-11-23 1988-10-18 Lee Doo S Apparatus for remotely determining the angular orientation, speed and/or direction of rotary objects
FR2593006A1 (fr) * 1986-01-13 1987-07-17 Kalfon Rene Modulateur et demodulateur d'impulsions modulees en duree
US5414420A (en) * 1992-03-23 1995-05-09 Hewlett-Packard Corporation Switch interconnect for position encoder system
US5428355A (en) * 1992-03-23 1995-06-27 Hewlett-Packard Corporation Position encoder system
IT1260509B (it) * 1992-06-02 1996-04-09 Roberto Cerini Sensore intelligente con uscita e controllo digitali comprendente un trasduttore per misure assolute di spostamenti lineari ed angolari
DE19908612B4 (de) * 1999-02-27 2004-06-03 Horst Prof. Dr. Ziegler Anordnung zum Detektieren einer Rotation eines Drehelements
JP2005221472A (ja) * 2004-02-09 2005-08-18 Olympus Corp 静電型エンコーダ及び静電型変位測定方法
US7075317B2 (en) * 2004-08-06 2006-07-11 Waters Investment Limited System and method for measurement of small-angle or small-displacement
US7135874B2 (en) * 2004-08-06 2006-11-14 Waters Investments Limited System and method for enhanced measurement of rheological properties
EP3040689B1 (de) * 2014-12-04 2017-07-19 Hexagon Technology Center GmbH Absoluter kapazitiver Winkelencoder
US10782158B1 (en) * 2017-09-21 2020-09-22 Silego Technology, Inc. Contactless encoder
CN109629127B (zh) * 2019-01-07 2021-10-15 杰克缝纫机股份有限公司 一种缝纫机的膝靠抬压脚装置
FR3119454B1 (fr) * 2021-01-29 2023-02-10 F Reg Dispositif de mesure de débit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268887A (en) * 1959-11-12 1966-08-23 Electro Mechanical Res Inc Position sensing apparatus
GB942684A (en) * 1961-03-17 1963-11-27 Crystal Structures Ltd Digital position-indicating units adapted for use in apparatus for detecting and setting the position of a movable object, such as a rotatable shaft; and such apparatus
US3222668A (en) * 1961-08-16 1965-12-07 Lippel Bernard Capacitive coder
US3478346A (en) * 1963-06-24 1969-11-11 Okuma Machinery Works Ltd Nonambiguous reading system for analog to digital converters
US3614774A (en) * 1968-05-31 1971-10-19 Neptune Meter Co Analog-to-digital shaft encoder with antiambiguity binary digital code output

Also Published As

Publication number Publication date
JPS4860647A (OSRAM) 1973-08-25
BE791513A (fr) 1973-03-16
DE2246660A1 (de) 1973-05-24
US3766544A (en) 1973-10-16
IT965279B (it) 1974-01-31
GB1398533A (en) 1975-06-25
FR2160558A1 (OSRAM) 1973-06-29

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