GB8417133D0 - Digital instrumentation - Google Patents

Digital instrumentation

Info

Publication number
GB8417133D0
GB8417133D0 GB848417133A GB8417133A GB8417133D0 GB 8417133 D0 GB8417133 D0 GB 8417133D0 GB 848417133 A GB848417133 A GB 848417133A GB 8417133 A GB8417133 A GB 8417133A GB 8417133 D0 GB8417133 D0 GB 8417133D0
Authority
GB
United Kingdom
Prior art keywords
digital instrumentation
instrumentation
digital
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Withdrawn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
GB848417133A
Other versions
GB2161262A (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.)
CO OPERATIVE TECHNOLOGY Ltd
Hookes D E
Original Assignee
CO OPERATIVE TECHNOLOGY Ltd
Hookes D E
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 CO OPERATIVE TECHNOLOGY Ltd, Hookes D E filed Critical CO OPERATIVE TECHNOLOGY Ltd
Priority to GB08417133A priority Critical patent/GB2161262A/en
Publication of GB8417133D0 publication Critical patent/GB8417133D0/en
Publication of GB2161262A publication Critical patent/GB2161262A/en
Withdrawn legal-status Critical Current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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
    • G01P3/54—Devices characterised by the use of electric or magnetic means for measuring linear speed by measuring frequency of generated current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB08417133A 1984-07-05 1984-07-05 Digital instrumentation apparatus for the linear air-track Withdrawn GB2161262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08417133A GB2161262A (en) 1984-07-05 1984-07-05 Digital instrumentation apparatus for the linear air-track

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08417133A GB2161262A (en) 1984-07-05 1984-07-05 Digital instrumentation apparatus for the linear air-track

Publications (2)

Publication Number Publication Date
GB8417133D0 true GB8417133D0 (en) 1984-08-08
GB2161262A GB2161262A (en) 1986-01-08

Family

ID=10563438

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08417133A Withdrawn GB2161262A (en) 1984-07-05 1984-07-05 Digital instrumentation apparatus for the linear air-track

Country Status (1)

Country Link
GB (1) GB2161262A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3601939A1 (en) * 1986-01-23 1987-07-30 Licentia Gmbh Method for measuring a delay line for radio-frequency waves
GB9816376D0 (en) * 1998-07-29 1998-09-23 Ball Racing Developments Limit Indicating means

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB971504A (en) * 1960-02-05 1964-09-30 Emi Ltd Improvements relating to displacement measuring apparatus employing diffraction gratings
GB946140A (en) * 1961-05-04 1964-01-08 Ford Motor Co Improvements in or relating to torquemeters
FR1570045A (en) * 1968-04-26 1969-06-06
US3597750A (en) * 1969-01-21 1971-08-03 Information Storage Systems Servo with agc for positioning a magnetic head
GB1353470A (en) * 1970-10-19 1974-05-15 Post D Position measuring apparatus utilizing moire fringe multiplication
GB1602178A (en) * 1977-04-20 1981-11-11 Marconi Co Ltd Apparatus for testing the braking of a moving machine part
GB2046896B (en) * 1979-04-11 1983-01-26 Marconi Co Ltd Apparatus for testing the braking efficiency of industrial machines
GB2067283A (en) * 1980-01-10 1981-07-22 Gamon Eng Co Ltd V C Determining relative movement
GB2093180A (en) * 1981-02-17 1982-08-25 Pradhan Sharad Ganesh System for Determining Distance Velocity and Acceleration
JPS57157118A (en) * 1981-03-24 1982-09-28 Mitsutoyo Mfg Co Ltd Photoelectric type displacement detecting device

Also Published As

Publication number Publication date
GB2161262A (en) 1986-01-08

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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)