GB2107466B - Measuring apparatus - Google Patents

Measuring apparatus

Info

Publication number
GB2107466B
GB2107466B GB08130904A GB8130904A GB2107466B GB 2107466 B GB2107466 B GB 2107466B GB 08130904 A GB08130904 A GB 08130904A GB 8130904 A GB8130904 A GB 8130904A GB 2107466 B GB2107466 B GB 2107466B
Authority
GB
United Kingdom
Prior art keywords
measuring apparatus
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.)
Expired
Application number
GB08130904A
Other versions
GB2107466A (en
Inventor
David Allan Wright
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.)
Ferranti International PLC
Original Assignee
Ferranti 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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB08130904A priority Critical patent/GB2107466B/en
Publication of GB2107466A publication Critical patent/GB2107466A/en
Application granted granted Critical
Publication of GB2107466B publication Critical patent/GB2107466B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/002—Details
    • G01B3/004—Scales; Graduations
    • 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
GB08130904A 1981-10-13 1981-10-13 Measuring apparatus Expired GB2107466B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08130904A GB2107466B (en) 1981-10-13 1981-10-13 Measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08130904A GB2107466B (en) 1981-10-13 1981-10-13 Measuring apparatus

Publications (2)

Publication Number Publication Date
GB2107466A GB2107466A (en) 1983-04-27
GB2107466B true GB2107466B (en) 1985-05-01

Family

ID=10525139

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08130904A Expired GB2107466B (en) 1981-10-13 1981-10-13 Measuring apparatus

Country Status (1)

Country Link
GB (1) GB2107466B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0811076D0 (en) 2008-06-17 2008-07-23 Renishaw Plc Scale track

Also Published As

Publication number Publication date
GB2107466A (en) 1983-04-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee