GB1574439A - Displacement transducers - Google Patents

Displacement transducers Download PDF

Info

Publication number
GB1574439A
GB1574439A GB4257/76A GB425776A GB1574439A GB 1574439 A GB1574439 A GB 1574439A GB 4257/76 A GB4257/76 A GB 4257/76A GB 425776 A GB425776 A GB 425776A GB 1574439 A GB1574439 A GB 1574439A
Authority
GB
United Kingdom
Prior art keywords
charge
transducer
stage
stages
output signal
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
GB4257/76A
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.)
Gemalto Terminals Ltd
Original Assignee
Solartron Electronic Group 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 Solartron Electronic Group Ltd filed Critical Solartron Electronic Group Ltd
Priority to GB4257/76A priority Critical patent/GB1574439A/en
Priority to US05/763,253 priority patent/US4100420A/en
Priority to FR7702697A priority patent/FR2352283A1/fr
Publication of GB1574439A publication Critical patent/GB1574439A/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
    • G01D5/54—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 means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48
    • G01D5/56—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 means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48 using electric or magnetic means
    • 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
    • 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
    • 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
    • H03M1/303—Circuits or methods for processing the quadrature signals
    • H03M1/305—Circuits or methods for processing the quadrature signals for detecting the direction of movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB4257/76A 1976-02-03 1976-02-03 Displacement transducers Expired GB1574439A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB4257/76A GB1574439A (en) 1976-02-03 1976-02-03 Displacement transducers
US05/763,253 US4100420A (en) 1976-02-03 1977-01-26 Displacement transducers
FR7702697A FR2352283A1 (fr) 1976-02-03 1977-02-01 Capteur de deplacement a dispositif a transfert de charges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4257/76A GB1574439A (en) 1976-02-03 1976-02-03 Displacement transducers

Publications (1)

Publication Number Publication Date
GB1574439A true GB1574439A (en) 1980-09-10

Family

ID=9773707

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4257/76A Expired GB1574439A (en) 1976-02-03 1976-02-03 Displacement transducers

Country Status (3)

Country Link
US (1) US4100420A (OSRAM)
FR (1) FR2352283A1 (OSRAM)
GB (1) GB1574439A (OSRAM)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870559A (en) * 1969-11-24 1989-09-26 Hyatt Gilbert P Intelligent transducer
DE2967525D1 (en) * 1978-12-19 1985-11-07 Toshiba Kk Encoder for length or angle measuring devices with high accuracy
JPS5588347A (en) * 1978-12-27 1980-07-04 Fujitsu Ltd Automatic aligning system
ES492946A0 (es) * 1979-07-02 1980-12-16 Western Electric Co Perfeccionamientos en transductores de desplazamiento
JPS56159794A (en) * 1980-05-12 1981-12-09 Tokyo Optical Length or angle measuring device
JPS57104815A (en) * 1980-12-20 1982-06-30 Asahi Optical Co Ltd Angle measuring apparatus employing line sensor
US4412182A (en) * 1981-03-09 1983-10-25 Harris Corporation Apparatus for controlling an operational characteristic of a controlled device in accordance with the position of a movable member
US4429219A (en) 1981-04-10 1984-01-31 Harris Corporation Apparatus for determining and indicating the position of a movable member
JPS5829093A (ja) * 1981-08-13 1983-02-21 株式会社トプコン アブソリユ−トエンコ−ダ
CH658514A5 (de) * 1982-02-09 1986-11-14 Wild Heerbrugg Ag Verfahren und vorrichtung zur erfassung einer messgroesse.
US4845496A (en) * 1987-09-24 1989-07-04 Dower Roger G Electro-optical displacement sensor
JPH01255014A (ja) * 1988-04-04 1989-10-11 Mitsubishi Electric Corp 位置検出回路
US5198740A (en) * 1989-10-04 1993-03-30 University Of Utah Research Foundation Sliding contact mechanical/electrical displacement transducer
GB9000097D0 (en) * 1990-01-03 1990-03-07 March Adrian Res Ltd Position sensor
CH680017A5 (en) * 1990-04-02 1992-05-29 Ammann Lasertechnik Photoelectrical length or angle measuring device - detects edge of shadow cast by light stop to detect position of displaced carriage
US5405069A (en) * 1992-02-25 1995-04-11 International Business Machines Corporation Paper motion detection system
US6039075A (en) 1997-06-12 2000-03-21 Sarco Lc Band controlled valve/actuator
DE10308440A1 (de) * 2003-02-27 2004-09-16 Stegmann Gmbh & Co. Kg Vorrichtung zum Messen des Drehwinkels

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619626A (en) * 1969-03-17 1971-11-09 United States Steel Corp Digital edge position detector
US3748043A (en) * 1972-03-20 1973-07-24 Bendix Corp Photoelectric interpolating arrangement for reading displacements of divided scales
DE2244433A1 (de) * 1972-09-06 1974-03-14 Licentia Gmbh Anordnung zur fotoelektrischen bestimmung der abmessung eines objektes
US3916185A (en) * 1974-03-01 1975-10-28 Bendix Corp Circuitry for encoding altimeter

Also Published As

Publication number Publication date
US4100420A (en) 1978-07-11
FR2352283B1 (OSRAM) 1980-06-27
FR2352283A1 (fr) 1977-12-16

Similar Documents

Publication Publication Date Title
US4100420A (en) Displacement transducers
US4421980A (en) Position encoder with closed-ring diode array
US4465373A (en) Encoder
EP0169657B1 (en) Non-contact shaft angle detector
JP2546823B2 (ja) 位置検出方法および装置
US4201911A (en) Shaft angle digitizer
JPH0445764B2 (OSRAM)
US3309525A (en) Double shaft encoder using phase meter to indicate relative rotation
US3323120A (en) Optical vernier for analog-to-digital converters
US3886542A (en) Device for measuring displacement
US3717869A (en) Analog to digital converter having an electrostatic encoder
US4711034A (en) Electronic measuring device
JPS63117214A (ja) 変位測定装置
JPS61182522A (ja) リニアスケ−ル測定装置
US3791735A (en) Digital measuring apparatus
US4468666A (en) Apparatus for determining a reference position of a moving member
US5434564A (en) Method and apparatus for producing pulses corresponding in number to the amount of changes in a physicial quantity
US5065014A (en) Rotation angle measuring with overlap area is between two optical grating axes
US3512006A (en) Automatic recorders for precision goniometers or length measuring instruments employing coarse and fine scales
US3312829A (en) Photoelectric analog-to-digital converter arrangement
US3660830A (en) Multi-element shaft encoder incorporating a geneva drive
US3070303A (en) Movable light path integrator
SU409068A1 (ru) УСТРОЙСТВО дл ПРЕОБРАЗОВАНИЯ УГЛА ПОВОРОТА
RU2057287C1 (ru) Преобразователь круговых перемещений
SU574741A1 (ru) Фотоэлектрический преобразователь угла поворота вала в код

Legal Events

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