EP1192412A4 - Chain-code POSITION DETECTOR - Google Patents

Chain-code POSITION DETECTOR

Info

Publication number
EP1192412A4
EP1192412A4 EP00942804A EP00942804A EP1192412A4 EP 1192412 A4 EP1192412 A4 EP 1192412A4 EP 00942804 A EP00942804 A EP 00942804A EP 00942804 A EP00942804 A EP 00942804A EP 1192412 A4 EP1192412 A4 EP 1192412A4
Authority
EP
European Patent Office
Prior art keywords
chain
position detector
code position
code
detector
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.)
Withdrawn
Application number
EP00942804A
Other languages
German (de)
French (fr)
Other versions
EP1192412A1 (en
Inventor
Richard J Norcross
David P Engvall
W Robert Bunch
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.)
Snorkel International Inc
Government of the United States of America
Original Assignee
Snorkel International Inc
Government of the United States of America
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 Snorkel International Inc, Government of the United States of America filed Critical Snorkel International Inc
Publication of EP1192412A1 publication Critical patent/EP1192412A1/en
Publication of EP1192412A4 publication Critical patent/EP1192412A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2846—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using detection of markings, e.g. markings on the piston rod
    • 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
    • G01D5/2495—Pseudo-random 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34746—Linear encoders
    • G01D5/34753—Carriages; Driving or coupling means
    • 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • 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
    • H03M1/282—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding of the pattern-shifting type, e.g. pseudo-random chain code

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
EP00942804A 1999-06-16 2000-06-14 Chain-code POSITION DETECTOR Withdrawn EP1192412A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13944799P 1999-06-16 1999-06-16
US139447P 1999-06-16
PCT/US2000/016370 WO2000077472A1 (en) 1999-06-16 2000-06-14 Chain code position detector

Publications (2)

Publication Number Publication Date
EP1192412A1 EP1192412A1 (en) 2002-04-03
EP1192412A4 true EP1192412A4 (en) 2003-05-14

Family

ID=22486704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00942804A Withdrawn EP1192412A4 (en) 1999-06-16 2000-06-14 Chain-code POSITION DETECTOR

Country Status (3)

Country Link
EP (1) EP1192412A4 (en)
AU (1) AU5737600A (en)
WO (1) WO2000077472A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2258424T3 (en) 2001-05-16 2013-02-18 Lilly Co Eli Device for injecting drugs
GB2537339A (en) * 2014-12-15 2016-10-19 Parker Hannifin Mfg Ltd A cylinder with position feedback sensor
EP3432949B1 (en) 2016-03-25 2024-05-01 Eli Lilly and Company Determination of a dose set and delivered in a medication delivery device
US11266788B2 (en) 2016-04-19 2022-03-08 Eli Lilly And Company Determination of a dose in a medication delivery device using two moving arrays with teeth and a sensor
WO2018031390A1 (en) 2016-08-12 2018-02-15 Eli Lilly And Company Dose sensing mechanism in a medication delivery device
CA3046804C (en) 2016-12-15 2022-07-19 Eli Lilly And Company Medication delivery device with sensing system
WO2020149747A1 (en) * 2019-01-18 2020-07-23 C6 Technologies As Resistive position sensor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0384955A2 (en) * 1989-03-01 1990-09-05 Symbol Technologies, Inc. Laser scanner for reading two dimensional bar codes
US5576535A (en) * 1992-06-15 1996-11-19 Bootsman Holding B.V. Position detection system having groups of unique, partially overlapping sequences of scanner readable markings
EP0747316A2 (en) * 1995-05-31 1996-12-11 Kidde Industries Inc. Centerline double riser with single lift cylinder and link for a low profile self propelled aerial work platform
US5754568A (en) * 1996-02-10 1998-05-19 Dr. Johannes Heidenhain GmbH Position measuring system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797614A (en) * 1953-04-21 1957-07-02 Heidenhain Johannes Projection measuring arrangement with transverse scale
JPS576994A (en) * 1980-06-17 1982-01-13 Tokyo Optical Coding board for encoder
DE3307931C2 (en) * 1983-03-05 1985-02-07 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Digital electrical length or angle measuring system
DE3412128C1 (en) * 1984-03-31 1985-05-09 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Position measuring device
DE3417176C2 (en) * 1984-05-09 1986-07-31 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Photoelectric measuring device
JPH0612255B2 (en) * 1984-05-22 1994-02-16 株式会社ミツトヨ Linear displacement measuring device
CH669457A5 (en) * 1986-02-18 1989-03-15 Mettler Instrumente Ag
US4786891A (en) * 1986-04-08 1988-11-22 Yokogawa Electric Corporation Absolute encoder for linear or angular position measurements
DE59101604D1 (en) * 1990-08-09 1994-06-16 Hohner Elektrotechnik Kg Optoelectronic scanner.
DE4225270C2 (en) * 1992-07-31 1994-06-09 Ems Technik Gmbh Method for determining the position of a positioning body relative to a reference body and device for carrying out the method
BE1007513A3 (en) * 1993-09-13 1995-07-18 Philips Electronics Nv Measuring device for determining the movement of a movable object.
JPH09196705A (en) * 1996-01-23 1997-07-31 Mitsutoyo Corp Displacement measuring apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0384955A2 (en) * 1989-03-01 1990-09-05 Symbol Technologies, Inc. Laser scanner for reading two dimensional bar codes
US5576535A (en) * 1992-06-15 1996-11-19 Bootsman Holding B.V. Position detection system having groups of unique, partially overlapping sequences of scanner readable markings
EP0747316A2 (en) * 1995-05-31 1996-12-11 Kidde Industries Inc. Centerline double riser with single lift cylinder and link for a low profile self propelled aerial work platform
US5754568A (en) * 1996-02-10 1998-05-19 Dr. Johannes Heidenhain GmbH Position measuring system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0077472A1 *

Also Published As

Publication number Publication date
EP1192412A1 (en) 2002-04-03
AU5737600A (en) 2001-01-02
WO2000077472A1 (en) 2000-12-21

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