CA989071A - Analog to digital converter having an electrostatic encoder - Google Patents

Analog to digital converter having an electrostatic encoder

Info

Publication number
CA989071A
CA989071A CA120,736A CA120736A CA989071A CA 989071 A CA989071 A CA 989071A CA 120736 A CA120736 A CA 120736A CA 989071 A CA989071 A CA 989071A
Authority
CA
Canada
Prior art keywords
analog
digital converter
electrostatic encoder
encoder
electrostatic
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
CA120,736A
Other languages
English (en)
Other versions
CA120736S (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 CA989071A publication Critical patent/CA989071A/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
    • 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)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
CA120,736A 1970-11-24 1971-08-17 Analog to digital converter having an electrostatic encoder Expired CA989071A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9244570A 1970-11-24 1970-11-24

Publications (1)

Publication Number Publication Date
CA989071A true CA989071A (en) 1976-05-11

Family

ID=22233249

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120,736A Expired CA989071A (en) 1970-11-24 1971-08-17 Analog to digital converter having an electrostatic encoder

Country Status (7)

Country Link
US (1) US3717869A (de)
BE (1) BE775730A (de)
CA (1) CA989071A (de)
DE (1) DE2158324A1 (de)
FR (1) FR2115963A5 (de)
GB (1) GB1352596A (de)
NL (1) NL7112845A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037219A (en) * 1975-12-30 1977-07-19 Westinghouse Electric Corporation Meter dial encoder for remote meter reading
US4238781A (en) * 1979-02-09 1980-12-09 Westinghouse Electric Corp. Capacitive angular displacement transducer for remote meter reading
US5130710A (en) * 1989-10-18 1992-07-14 Pitney Bowes Inc. Microcomputer-controlled electronic postage meter having print wheels set by separate D.C. motors
US5681990A (en) * 1995-12-07 1997-10-28 Ford Motor Company Capacitive throttle position sensor
FR2845154B1 (fr) * 2002-09-27 2005-03-18 Roulements Soc Nouvelle Capteur d'angle absolu comprenant un codeur a singularites non-equireparties
DE10343958A1 (de) * 2003-09-19 2005-05-19 Abb Patent Gmbh Messgerät und Verfahren zur Messung von Durchflüssen
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3238523A (en) * 1962-02-21 1966-03-01 Gen Precision Inc Capacitive encoder
US3286252A (en) * 1963-11-15 1966-11-15 Gen Precision Inc Capacity encoder

Also Published As

Publication number Publication date
BE775730A (fr) 1972-05-23
NL7112845A (de) 1972-05-26
GB1352596A (en) 1974-05-08
DE2158324A1 (de) 1972-06-15
FR2115963A5 (de) 1972-07-07
US3717869A (en) 1973-02-20

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