GB849520A - Photo-electric scanning device for determining the speed and direction of rotation of a shaft - Google Patents

Photo-electric scanning device for determining the speed and direction of rotation of a shaft

Info

Publication number
GB849520A
GB849520A GB673/59A GB67359A GB849520A GB 849520 A GB849520 A GB 849520A GB 673/59 A GB673/59 A GB 673/59A GB 67359 A GB67359 A GB 67359A GB 849520 A GB849520 A GB 849520A
Authority
GB
United Kingdom
Prior art keywords
photo
rotation
transformer
shaft
points
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
GB673/59A
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB849520A publication Critical patent/GB849520A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
    • G01P13/045—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement with speed indication
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/26—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optical Transform (AREA)
GB673/59A 1958-01-08 1959-01-07 Photo-electric scanning device for determining the speed and direction of rotation of a shaft Expired GB849520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH849520X 1958-01-08

Publications (1)

Publication Number Publication Date
GB849520A true GB849520A (en) 1960-09-28

Family

ID=4542160

Family Applications (1)

Application Number Title Priority Date Filing Date
GB673/59A Expired GB849520A (en) 1958-01-08 1959-01-07 Photo-electric scanning device for determining the speed and direction of rotation of a shaft

Country Status (4)

Country Link
CH (1) CH355381A (enrdf_load_stackoverflow)
FR (1) FR1211293A (enrdf_load_stackoverflow)
GB (1) GB849520A (enrdf_load_stackoverflow)
NL (2) NL103653C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149096A (en) * 1983-10-03 1985-06-05 Sharp Kk Optical rotary displacement encoder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991789A (en) * 1975-03-31 1976-11-16 Dana Corporation Infinitely adjustable cyclic timing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149096A (en) * 1983-10-03 1985-06-05 Sharp Kk Optical rotary displacement encoder

Also Published As

Publication number Publication date
NL233884A (enrdf_load_stackoverflow)
FR1211293A (fr) 1960-03-15
CH355381A (de) 1961-06-30
NL103653C (enrdf_load_stackoverflow)

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