CA2003143A1 - capteur a sortie numerique - Google Patents

capteur a sortie numerique

Info

Publication number
CA2003143A1
CA2003143A1 CA 2003143 CA2003143A CA2003143A1 CA 2003143 A1 CA2003143 A1 CA 2003143A1 CA 2003143 CA2003143 CA 2003143 CA 2003143 A CA2003143 A CA 2003143A CA 2003143 A1 CA2003143 A1 CA 2003143A1
Authority
CA
Canada
Prior art keywords
sensor
digital output
absolute digital
detectors
absolute
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
CA 2003143
Other languages
English (en)
Other versions
CA2003143C (fr
Inventor
Robert J. Tolmie, Jr.
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.)
Pitney Bowes Inc
Original Assignee
Pitney Bowes Inc
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 Pitney Bowes Inc filed Critical Pitney Bowes Inc
Publication of CA2003143A1 publication Critical patent/CA2003143A1/fr
Application granted granted Critical
Publication of CA2003143C publication Critical patent/CA2003143C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/285—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding of the unit Hamming distance type, e.g. Gray code
    • 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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/249—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 characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
    • G01D5/2492—Pulse stream

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
CA 2003143 1988-12-28 1989-11-16 Capteur a sortie numerique Expired - Fee Related CA2003143C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29109488A 1988-12-28 1988-12-28
US291,094 1994-08-16

Publications (2)

Publication Number Publication Date
CA2003143A1 true CA2003143A1 (fr) 1990-06-28
CA2003143C CA2003143C (fr) 1998-10-20

Family

ID=23118804

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2003143 Expired - Fee Related CA2003143C (fr) 1988-12-28 1989-11-16 Capteur a sortie numerique

Country Status (2)

Country Link
CA (1) CA2003143C (fr)
GB (1) GB2226720B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091021A (en) * 1990-09-28 1992-02-25 General Motors Corporation Magnetically coded device and method of manufacture
US5880683A (en) * 1993-07-22 1999-03-09 Bourns, Inc. Absolute digital position encoder
US5739775A (en) * 1993-07-22 1998-04-14 Bourns, Inc. Digital input and control device
SG52286A1 (en) * 1993-07-22 2001-01-16 Bourns Inc Absolute digital position encoder
US5519393A (en) * 1993-07-22 1996-05-21 Bouens, Inc. Absolute digital position encoder with multiple sensors per track
DE19800774B4 (de) * 1998-01-12 2006-12-21 Siemens Ag Verfahren und magnetische Maßverkörperung zur Generierung eines Referenzsignals sowie Herstellungsverfahren für eine solche magnetische Maßverkörperung
US6424928B1 (en) * 2000-06-15 2002-07-23 Eim Company, Inc. Absolute position detector interpreting abnormal states
US6690159B2 (en) * 2000-09-28 2004-02-10 Eldec Corporation Position indicating system
FR2921480B1 (fr) 2007-09-20 2010-03-05 Renault Sas Capteur de position absolue a lecture serie
CN101308019B (zh) * 2008-07-11 2010-12-08 武汉利德测控技术股份有限公司 一种用于位置检测的电子坐标尺
EP2189761A1 (fr) 2008-11-20 2010-05-26 Carl Freudenberg KG Dispositif destiné à la détermination de la position d'angle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824587A (en) * 1972-10-25 1974-07-16 Laitram Corp Dual mode angle encoder
GB2066602A (en) * 1979-12-20 1981-07-08 Ferranti Ltd Absolute position encoder
GB2096421A (en) * 1981-04-07 1982-10-13 Secretary Industry Brit Position transducer for fluid actuated ram
US4628298A (en) * 1984-06-22 1986-12-09 Bei Motion Systems Company, Inc. Chain code encoder

Also Published As

Publication number Publication date
GB2226720B (en) 1993-04-07
CA2003143C (fr) 1998-10-20
GB2226720A (en) 1990-07-04
GB8926301D0 (en) 1990-01-10

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Legal Events

Date Code Title Description
EEER Examination request
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