AU500342B2 - Digital readout measuring instrument - Google Patents

Digital readout measuring instrument

Info

Publication number
AU500342B2
AU500342B2 AU12772/76A AU1277276A AU500342B2 AU 500342 B2 AU500342 B2 AU 500342B2 AU 12772/76 A AU12772/76 A AU 12772/76A AU 1277276 A AU1277276 A AU 1277276A AU 500342 B2 AU500342 B2 AU 500342B2
Authority
AU
Australia
Prior art keywords
measuring instrument
digital readout
readout measuring
digital
instrument
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
AU12772/76A
Other versions
AU1277276A (en
Inventor
J. H. Bradbrook J. D. & Bassett P. J Fisher
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.)
James Neill Holdings Ltd
Original Assignee
James Neill Holdings 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 James Neill Holdings Ltd filed Critical James Neill Holdings Ltd
Publication of AU1277276A publication Critical patent/AU1277276A/en
Application granted granted Critical
Publication of AU500342B2 publication Critical patent/AU500342B2/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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • 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
    • G01B3/22—Feeler-pin gauges, e.g. dial gauges
    • G01B3/24—Feeler-pin gauges, e.g. dial gauges with open yoke, i.e. calipers
    • 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
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
AU12772/76A 1975-04-10 1976-04-07 Digital readout measuring instrument Expired AU500342B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB14846/75A GB1550185A (en) 1975-04-10 1975-04-10 Distance measuring gauge
GBGB14846/75 1975-04-10

Publications (2)

Publication Number Publication Date
AU1277276A AU1277276A (en) 1977-10-13
AU500342B2 true AU500342B2 (en) 1979-05-17

Family

ID=10048521

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12772/76A Expired AU500342B2 (en) 1975-04-10 1976-04-07 Digital readout measuring instrument

Country Status (13)

Country Link
JP (1) JPS51123657A (en)
AU (1) AU500342B2 (en)
BR (1) BR7602203A (en)
CA (1) CA1087389A (en)
DE (1) DE2615676A1 (en)
ES (1) ES447179A1 (en)
FR (1) FR2312758A1 (en)
GB (1) GB1550185A (en)
HK (1) HK19480A (en)
IT (1) IT1059741B (en)
NL (1) NL7603700A (en)
SE (1) SE413941B (en)
ZA (1) ZA762090B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2727769C2 (en) * 1977-06-21 1979-01-25 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Encapsulated length measuring device for long measuring lengths
JPS54145562A (en) * 1978-05-04 1979-11-13 Mitsutoyo Seisakusho Slide calipers with digital display
US4403860A (en) * 1980-03-27 1983-09-13 Diffracto Ltd. Apparatus for determining dimensions
DE3125184A1 (en) * 1981-06-26 1983-01-13 Adolf 7118 Ingelfingen Mütsch Electrooptical measuring device
ATA395181A (en) * 1981-09-14 1986-12-15 Rieder Heinz HAND MEASURING DEVICE
US4554742A (en) * 1983-09-16 1985-11-26 Ford Motor Company Dimensional checking tool
GB2223845B (en) * 1988-10-14 1992-10-28 Brian Arthur Evans Digital tyre pressure gauge
US5239307A (en) * 1989-10-10 1993-08-24 Micro Encoder Inc. Method and apparatus for sensing of position
JPH087054B2 (en) * 1990-10-22 1996-01-29 株式会社ミツトヨ Displacement detector
US5125165A (en) * 1990-11-28 1992-06-30 Mitutoyo Corporation Precision linear measuring device having an improved spindle mounting device
US5172485A (en) * 1991-10-17 1992-12-22 Mitutoyo Corporation Precision linear measuring suspension system having sliding contact between the scale and the pick-off
DE29916394U1 (en) * 1999-09-17 2001-02-15 Heidenhain Gmbh Dr Johannes Optical position measuring device
EP1528369B1 (en) 2003-10-27 2014-03-12 SICK STEGMANN GmbH Optical rotation angle sensor
DE10356328A1 (en) * 2003-10-27 2005-06-16 Sick Stegmann Gmbh Optical path length or rotation angle sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB760321A (en) * 1953-03-14 1956-10-31 Ferranti Ltd Improvements relating to measuring apparatus
US2996806A (en) * 1959-08-17 1961-08-22 Zeiss Carl Vertical length measuring device
FR1323304A (en) * 1962-05-18 1963-04-05 Wenczler & Heidenhain Device for determining the relative position of two parts
DE1548874A1 (en) * 1966-12-10 1970-10-01 Wenczler & Heidenhain Photoelectric device for determining the position of an object
US3867037A (en) * 1973-08-29 1975-02-18 Dynamics Res Corp Linear motion encoder

Also Published As

Publication number Publication date
GB1550185A (en) 1979-08-08
ES447179A1 (en) 1977-12-01
ZA762090B (en) 1977-04-27
AU1277276A (en) 1977-10-13
NL7603700A (en) 1976-10-12
BR7602203A (en) 1976-10-05
DE2615676A1 (en) 1976-10-21
FR2312758A1 (en) 1976-12-24
JPS51123657A (en) 1976-10-28
SE413941B (en) 1980-06-30
IT1059741B (en) 1982-06-21
FR2312758B1 (en) 1982-07-16
HK19480A (en) 1980-04-18
CA1087389A (en) 1980-10-14

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