AU2003224235A8 - Encoder with reference marks - Google Patents

Encoder with reference marks

Info

Publication number: AU2003224235A8
Authority: AU; Australia
Prior art keywords: encoder; reference marks; marks
Prior art date: 2002-03-14
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.): Abandoned

Application number

AU2003224235A

Other versions

AU2003224235A1 (en

Inventor

Michael Homer

David Roberts Mcmurtry

James Reynolds Henshaw

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.)

Renishaw PLC

Original Assignee

Renishaw PLC

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.)

2002-03-14

Filing date

2003-03-14

Publication date

2003-09-29

2003-03-14 Application filed by Renishaw PLC filed Critical Renishaw PLC

2003-09-29 Publication of AU2003224235A1 publication Critical patent/AU2003224235A1/en

2003-09-29 Publication of AU2003224235A8 publication Critical patent/AU2003224235A8/en

Status Abandoned legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
- H03M1/0675—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy
- H03M1/0678—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy using additional components or elements, e.g. dummy components
- 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
- G01D5/245—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 a variable number of pulses in a train
- G01D5/2454—Encoders incorporating incremental and absolute signals
- G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
- G01D5/2457—Incremental encoders having reference marks
- 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
- H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
- H03M1/308—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental with additional pattern means for determining the absolute position, e.g. reference marks

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Transmission And Conversion Of Sensor Element Output (AREA)

AU2003224235A 2002-03-14 2003-03-14 Encoder with reference marks Abandoned AU2003224235A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB0205972.3		2002-03-14
GB0205972A GB0205972D0 (en)	2002-03-14	2002-03-14	Encoder with reference marks
PCT/GB2003/001087 WO2003079555A2 (en)	2002-03-14	2003-03-14	Encoder with reference marks

Publications (2)

Publication Number	Publication Date
AU2003224235A1 AU2003224235A1 (en)	2003-09-29
AU2003224235A8 true AU2003224235A8 (en)	2003-09-29

Family

ID=9932922

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2003224235A Abandoned AU2003224235A1 (en)	2002-03-14	2003-03-14	Encoder with reference marks

Country Status (3)

Country	Link
AU (1)	AU2003224235A1 (en)
GB (1)	GB0205972D0 (en)
WO (1)	WO2003079555A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102007035345A1 (en) *	2006-11-20	2008-05-21	Dr. Johannes Heidenhain Gmbh	Position measuring device
JP2014224745A (en) *	2013-05-16	2014-12-04	株式会社ミツトヨ	Origin signal generating device and origin signal generating system
EP3465099A1 (en) *	2016-05-25	2019-04-10	Renishaw plc	Adaptive reference mark detection process
CN114061631A (en) *	2020-07-29	2022-02-18	中车株洲电力机车研究所有限公司	Megawatt fan yaw counter adjustment testing device and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4920259A (en) *	1988-09-30	1990-04-24	Hewlett-Packard Company	Apparatus for producing a phase insensitive index pulse for motion encoders
IT1228112B (en) *	1988-12-21	1991-05-28	Cavi Pirelli S P A M Soc	METHOD AND OPTICAL SENSOR FOR DETERMINING THE POSITION OF A MOBILE BODY
DE19754524A1 (en) *	1997-12-09	1999-06-10	Mannesmann Vdo Ag	Displacement sensor
FR2777649A1 (en) *	1998-04-16	1999-10-22	Jean Pierre Bazenet	Incremental measurement of displacement and position of objects, e.g. for machine shop controls

2002
- 2002-03-14 GB GB0205972A patent/GB0205972D0/en not_active Ceased
2003
- 2003-03-14 AU AU2003224235A patent/AU2003224235A1/en not_active Abandoned
- 2003-03-14 WO PCT/GB2003/001087 patent/WO2003079555A2/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
AU2003224235A1 (en)	2003-09-29
WO2003079555A2 (en)	2003-09-25
GB0205972D0 (en)	2002-04-24
WO2003079555A3 (en)	2004-04-01

Publication	Publication Date	Title
GB0200575D0 (en)	2002-02-27	Encoder with reference marks
GB0229620D0 (en)	2003-01-22	Encoder
EP1437575A4 (en)	2005-02-23	Multirotation type encoder
AU2002343056A8 (en)	2003-09-16	Position sensor
EP1492168A4 (en)	2007-03-28	Sensor
EP1816441A4 (en)	2014-03-12	Encoder
GB2396413B (en)	2006-01-18	Rotary encoder
AU2003249822A1 (en)	2004-02-23	Parallel convolutional encoder
GB2398125B (en)	2006-07-19	Ruler
DE60326971D1 (en)	2009-05-14	Sensor
AU2003290316A8 (en)	2004-07-14	Curing
EP1393085A4 (en)	2005-12-21	Position encoder
GB2390897B (en)	2005-08-10	Optical encoder device
GB2391618B (en)	2005-08-10	Floating aperture encoder
EP1767904A4 (en)	2008-04-30	Encoder
GB0216745D0 (en)	2002-08-28	Sensor
GB0130926D0 (en)	2002-02-13	Production with accuracy
AU2003224235A8 (en)	2003-09-29	Encoder with reference marks
IL165774A0 (en)	2006-01-15	Sensor
GB2395829B (en)	2005-09-21	Passive linear encoder
GB0421150D0 (en)	2004-10-27	Absolute position encoder
GB0300291D0 (en)	2003-02-05	Position encoder
HK1058652A1 (en)	2004-05-28	Ruler
GB0315738D0 (en)	2003-08-13	Position encoder
GB0223454D0 (en)	2002-11-13	Position encoder improvement

Legal Events

Date	Code	Title	Description
2004-12-02	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase