GB9010248D0 - Position transducers - Google Patents

Position transducers

Info

Publication number
GB9010248D0
GB9010248D0 GB909010248A GB9010248A GB9010248D0 GB 9010248 D0 GB9010248 D0 GB 9010248D0 GB 909010248 A GB909010248 A GB 909010248A GB 9010248 A GB9010248 A GB 9010248A GB 9010248 D0 GB9010248 D0 GB 9010248D0
Authority
GB
United Kingdom
Prior art keywords
position transducers
transducers
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Withdrawn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
GB909010248A
Other versions
GB2232544A (en
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.)
Smiths Group PLC
Original Assignee
Smiths Group 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.)
Filing date
Publication date
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Publication of GB9010248D0 publication Critical patent/GB9010248D0/en
Publication of GB2232544A publication Critical patent/GB2232544A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
GB9010248A 1989-05-23 1990-05-08 Position transducer Withdrawn GB2232544A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898911809A GB8911809D0 (en) 1989-05-23 1989-05-23 Position transducers

Publications (2)

Publication Number Publication Date
GB9010248D0 true GB9010248D0 (en) 1990-06-27
GB2232544A GB2232544A (en) 1990-12-12

Family

ID=10657199

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898911809A Pending GB8911809D0 (en) 1989-05-23 1989-05-23 Position transducers
GB9010248A Withdrawn GB2232544A (en) 1989-05-23 1990-05-08 Position transducer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898911809A Pending GB8911809D0 (en) 1989-05-23 1989-05-23 Position transducers

Country Status (4)

Country Link
JP (1) JPH0318710A (en)
DE (1) DE4015099A1 (en)
FR (1) FR2647545A1 (en)
GB (2) GB8911809D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19515139A1 (en) * 1995-04-25 1996-10-31 Sachse Lothar Indicating path and/or angular position marked on disc or tape
DE19532903A1 (en) * 1995-09-07 1997-03-13 Teves Gmbh Alfred Steering angle sensor with absolute value measurement
DE19601676A1 (en) * 1996-01-18 1997-07-24 Teves Gmbh Alfred Steering angle sensor with evaluation of the incremental track for absolute value determination
DE19601674B4 (en) * 1996-01-18 2005-08-04 Valeo Schalter Und Sensoren Gmbh According to Differenzmeßprinzip working steering angle sensor for motor vehicles
US5731702A (en) * 1996-08-21 1998-03-24 General Motors Corporation High accuracy angle based rotation sensor with time based back up
DE102010003526A1 (en) 2010-03-31 2011-10-06 Robert Bosch Gmbh Apparatus and method for processing signals representing an angular position of a shaft of an engine
CN108645353B (en) * 2018-05-14 2020-09-01 四川川大智胜软件股份有限公司 Three-dimensional data acquisition system and method based on multi-frame random binary coding light field
EP3770559A1 (en) 2019-07-23 2021-01-27 Sick Ag Determining the relative position of two objects moving relative to one another

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1445739A (en) * 1965-06-04 1966-07-15 Alcatel Sa Digital coding process and its applications
GB1284641A (en) * 1970-01-08 1972-08-09 Ferranti Ltd Improvements relating to measuring apparatus
US3963098A (en) * 1974-05-07 1976-06-15 Westinghouse Electric Corporation Position measurement apparatus
GB2121252A (en) * 1982-05-18 1983-12-14 Marconi Co Ltd Apparatus for indicating the position of a member
GB2126444B (en) * 1982-09-01 1986-03-19 Rosemount Eng Co Ltd Position measuring apparatus
US4628298A (en) * 1984-06-22 1986-12-09 Bei Motion Systems Company, Inc. Chain code encoder
GB2183951B (en) * 1985-11-28 1990-05-23 Duracell Int Displacement measuring apparatus

Also Published As

Publication number Publication date
DE4015099A1 (en) 1990-11-29
JPH0318710A (en) 1991-01-28
FR2647545A1 (en) 1990-11-30
GB2232544A (en) 1990-12-12
GB8911809D0 (en) 1989-07-12

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)