GB1368204A - Apparatus for determining displacement - Google Patents

Apparatus for determining displacement

Info

Publication number
GB1368204A
GB1368204A GB354372A GB354372A GB1368204A GB 1368204 A GB1368204 A GB 1368204A GB 354372 A GB354372 A GB 354372A GB 354372 A GB354372 A GB 354372A GB 1368204 A GB1368204 A GB 1368204A
Authority
GB
United Kingdom
Prior art keywords
output
displacement
adder
gratings
grating
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
GB354372A
Other languages
English (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.)
Bendix Corp
Original Assignee
Bendix Corp
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 Bendix Corp filed Critical Bendix Corp
Publication of GB1368204A publication Critical patent/GB1368204A/en
Expired 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
    • G01D5/26—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
    • 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
    • G01D5/363—Direction discrimination

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB354372A 1971-01-25 1972-01-25 Apparatus for determining displacement Expired GB1368204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10934571A 1971-01-25 1971-01-25

Publications (1)

Publication Number Publication Date
GB1368204A true GB1368204A (en) 1974-09-25

Family

ID=22327171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB354372A Expired GB1368204A (en) 1971-01-25 1972-01-25 Apparatus for determining displacement

Country Status (5)

Country Link
US (1) US3713139A (enExample)
CA (1) CA936964A (enExample)
DE (1) DE2203418B2 (enExample)
FR (1) FR2124824A5 (enExample)
GB (1) GB1368204A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126336A (en) * 1982-08-26 1984-03-21 British Aerospace Detection of movement of a cyclic interference waveform such as in a ring laser gyroscope
EP0394942A3 (en) * 1989-04-26 1992-01-08 Canon Kabushiki Kaisha A signal insertion processor and an encoder using the processor
EA011543B1 (ru) * 2007-04-11 2009-04-28 Научно-Исследовательское И Проектно-Технологическое Республиканское Унитарное Предприятие "Институт Ниптис Им. Атаева С.С." Способ измерения перемещения объекта

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973109A (en) * 1975-03-17 1976-08-03 Sanitary Scale Company Null monitoring system
US4044847A (en) * 1976-01-30 1977-08-30 Pitney-Bowes, Inc. Weighing system with a moire optoelectronic transducer
US4047585A (en) * 1976-03-08 1977-09-13 Pitney-Bowes, Inc. Scale optical detector with spring constant variation compensator
US4101882A (en) * 1976-05-28 1978-07-18 The Brunton Company Data read-out system and apparatus useful for angular measurements
DE2758525B1 (de) * 1977-12-28 1979-06-28 Heidenhain Gmbh Dr Johannes Messeinrichtung mit codierter Unterteilung
US4229729A (en) * 1978-05-19 1980-10-21 Hughes Aircraft Company Analog to digital converter utilizing a quantizer network
US4247214A (en) * 1978-11-08 1981-01-27 Ncr Corporation Character position control for a matrix printer
EP0025724A1 (en) * 1979-08-31 1981-03-25 The Bendix Corporation Method of making measurements on an object by means of a movable probe
CA1142345A (en) * 1979-08-31 1983-03-08 Gerald L. Tumbush Relatively moving photodiode sensed diffraction grating-type measuring device
DE3007311C2 (de) * 1980-02-27 1985-11-28 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Digitales lichtelektrisches Längen- oder Winkelmeßsystem
US4464843A (en) * 1982-11-26 1984-08-14 The Brunton Company Angular measurement apparatus with referencing system
DE3412128C1 (de) * 1984-03-31 1985-05-09 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Positionsmesseinrichtung
JPS61198018A (ja) * 1985-02-28 1986-09-02 Nissan Motor Co Ltd 位置検出装置
DE3526735A1 (de) * 1985-07-26 1987-02-05 Heidenhain Gmbh Dr Johannes Fehlergesicherte inkrementale positionsmesseinrichtung
JPS63247615A (ja) * 1987-04-02 1988-10-14 Matsushita Electric Ind Co Ltd 位置検出方法及びその装置
AT393029B (de) * 1989-03-29 1991-07-25 Rsf Elektronik Gmbh Inkrementales laengenmesssystem
WO1991003712A1 (en) * 1989-09-06 1991-03-21 Human Machine Interfaces Ltd. Measurement device
JP3082516B2 (ja) * 1993-05-31 2000-08-28 キヤノン株式会社 光学式変位センサおよび該光学式変位センサを用いた駆動システム
US7485847B2 (en) * 2004-12-08 2009-02-03 Georgia Tech Research Corporation Displacement sensor employing discrete light pulse detection
CN100365390C (zh) * 2005-10-14 2008-01-30 清华大学 用于开关式数字位移传感器的计数器式栅格带
US12481224B2 (en) * 2022-06-10 2025-11-25 Nanya Technology Corporation Method and system for overlay measurement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142121A (en) * 1959-09-17 1964-07-28 Elmic Inc Micrometer
DE1208087B (de) * 1964-04-22 1965-12-30 Wenczler & Heidenhain Einrichtung zum Messen von Laengen mittels Impulszaehlung
GB1058300A (en) * 1964-06-23 1967-02-08 Ferranti Ltd Improvements relating to measuring apparatus
GB1137177A (en) * 1966-11-23 1968-12-18 Ashworth Ross & Company Ltd Improvements relating to counting
US3588462A (en) * 1966-12-23 1971-06-28 Bausch & Lomb Fringe interpolator and counter
US3549870A (en) * 1967-04-07 1970-12-22 Atomic Energy Commission System for computing and continuously displaying increments of movement of an object in useable units of measure
US3571575A (en) * 1967-06-28 1971-03-23 Rank Organisation Ltd Measurement devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126336A (en) * 1982-08-26 1984-03-21 British Aerospace Detection of movement of a cyclic interference waveform such as in a ring laser gyroscope
EP0394942A3 (en) * 1989-04-26 1992-01-08 Canon Kabushiki Kaisha A signal insertion processor and an encoder using the processor
EA011543B1 (ru) * 2007-04-11 2009-04-28 Научно-Исследовательское И Проектно-Технологическое Республиканское Унитарное Предприятие "Институт Ниптис Им. Атаева С.С." Способ измерения перемещения объекта

Also Published As

Publication number Publication date
CA936964A (en) 1973-11-13
DE2203418B2 (de) 1979-04-05
US3713139A (en) 1973-01-23
FR2124824A5 (enExample) 1972-09-22
DE2203418A1 (de) 1972-08-10

Similar Documents

Publication Publication Date Title
GB1368204A (en) Apparatus for determining displacement
GB1388337A (en) Apparatus for measuring magnetic field direction
GB1395265A (en) Dual mode angle encoder
GB1364768A (en) Measuring the position of an operating agency in a machine
GB1018223A (en) Improvements in and relating to electric length-measuring apparatus
GB1276053A (en) Improvements in or relating to digital measurements
GB1183604A (en) Improvements in or relating to Digital Position Measuring Devices
GB1120413A (en) Digital position measuring device
ES432178A1 (es) Perfeccionamientos en avisadores de incendios.
GB1097494A (en) Improvements in and relating to digital angle measuring devices
GB1099928A (en) Speed detection
GB1302762A (enExample)
GB1318320A (en) Measuring apparatus
US3652842A (en) Area measurement
GB1319531A (en) Arrangement for producing a signal curve
GB1215032A (en) Position sensing systems
GB1351311A (en) Apparatus for measuring or indicating movement by encoding and counting
ES425209A1 (es) Un aparato calibrador para medir el desplazamiento angular de una primera parte de un componente con relacion a una se-gunda parte del mismo.
US4214152A (en) Error correction in a remote meter reading device
GB1351313A (en) Automatic error detecting arrangement for displacement measuring systems
CA969640A (en) Electronic sensor for developing a voltage signal proportional in magnitude to displacement
GB1221743A (en) Weighing apparatus
GB1345404A (en) Weighing apparatus
SU436372A1 (enExample)
GB1242877A (en) Arrangemeit for determining the position of two parts movable relative to each other

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee