GB8315490D0 - Displacement measuring gauges - Google Patents

Displacement measuring gauges

Info

Publication number
GB8315490D0
GB8315490D0 GB838315490A GB8315490A GB8315490D0 GB 8315490 D0 GB8315490 D0 GB 8315490D0 GB 838315490 A GB838315490 A GB 838315490A GB 8315490 A GB8315490 A GB 8315490A GB 8315490 D0 GB8315490 D0 GB 8315490D0
Authority
GB
United Kingdom
Prior art keywords
displacement measuring
measuring gauges
gauges
displacement
measuring
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Withdrawn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
GB838315490A
Other versions
GB2122826A (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.)
NMI Ltd
Original Assignee
NMI Ltd
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 NMI Ltd filed Critical NMI Ltd
Priority to GB08315490A priority Critical patent/GB2122826A/en
Publication of GB8315490D0 publication Critical patent/GB8315490D0/en
Publication of GB2122826A publication Critical patent/GB2122826A/en
Withdrawn legal-status Critical Current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
    • H03M1/245—Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors
    • 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
    • G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental 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
    • H03M1/285—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
GB08315490A 1982-06-29 1983-06-06 Displacement measuring gauges Withdrawn GB2122826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08315490A GB2122826A (en) 1982-06-29 1983-06-06 Displacement measuring gauges

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8218780 1982-06-29
GB08315490A GB2122826A (en) 1982-06-29 1983-06-06 Displacement measuring gauges

Publications (2)

Publication Number Publication Date
GB8315490D0 true GB8315490D0 (en) 1983-07-13
GB2122826A GB2122826A (en) 1984-01-18

Family

ID=26283216

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08315490A Withdrawn GB2122826A (en) 1982-06-29 1983-06-06 Displacement measuring gauges

Country Status (1)

Country Link
GB (1) GB2122826A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0608852B1 (en) * 1993-01-27 1997-04-16 Daimler-Benz Aktiengesellschaft Method and apparatus for monitoring of gas-insulated switchgear and installations
GB0208048D0 (en) * 2002-04-08 2002-05-22 Digicliff Ltd Optical controls
NL1036174C2 (en) * 2008-11-07 2009-12-01 Markenstein Wilfriedus Anthoni Magnetic interference device for measuring sensitive setups of MRI machine, has microprocessor to read and process eight bit gray code in both X and Y directions of object, to achieve control of object

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1137475A (en) * 1966-01-13 1968-12-18 Rosemount Eng Co Ltd Improvements in or relating to radiation responsive devices
FR1545606A (en) * 1967-06-06 1968-11-15 Thomson Houston Comp Francaise Improvements to rotary encoders
US4116000A (en) * 1976-11-01 1978-09-26 United Technologies Corporation Engine control system
US4240066A (en) * 1979-06-14 1980-12-16 United Technologies Corporation Cylindrical encoder for use with fiber optics
US4333009A (en) * 1979-12-10 1982-06-01 Bertea Corporation Optical position transducer
EP0034107A1 (en) * 1980-02-11 1981-08-19 United Technologies Corporation Optical encoder using time domain multi-plexer
US4291976A (en) * 1980-03-10 1981-09-29 Sperry Corporation Digital fiber optic position sensor

Also Published As

Publication number Publication date
GB2122826A (en) 1984-01-18

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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)