GB1389309A - Apparatus for measuring properties of movement - Google Patents

Apparatus for measuring properties of movement

Info

Publication number
GB1389309A
GB1389309A GB4033572A GB4033572A GB1389309A GB 1389309 A GB1389309 A GB 1389309A GB 4033572 A GB4033572 A GB 4033572A GB 4033572 A GB4033572 A GB 4033572A GB 1389309 A GB1389309 A GB 1389309A
Authority
GB
United Kingdom
Prior art keywords
grating
movement
pyramid
photo
dimensional
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
GB4033572A
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
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
Priority claimed from DE19712144487 external-priority patent/DE2144487C3/de
Priority claimed from DE19712160877 external-priority patent/DE2160877C3/de
Application filed by Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH
Priority to GB2991773A priority Critical patent/GB1439002A/en
Priority to IE159673A priority patent/IE38226B1/xx
Priority to NL7312445A priority patent/NL7312445A/xx
Priority to LU68397D priority patent/LU68397A1/xx
Priority to IT6970373A priority patent/IT996679B/it
Priority to FR7332664A priority patent/FR2198839A1/fr
Priority to DE19732346015 priority patent/DE2346015A1/de
Publication of GB1389309A publication Critical patent/GB1389309A/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
    • 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
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB4033572A 1971-09-06 1972-08-31 Apparatus for measuring properties of movement Expired GB1389309A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB2991773A GB1439002A (en) 1972-08-31 1973-06-22 Printing
IE159673A IE38226B1 (en) 1972-08-31 1973-09-07 Improvements in or relating to printing
NL7312445A NL7312445A (https=) 1972-08-31 1973-09-10
LU68397D LU68397A1 (https=) 1972-08-31 1973-09-10
IT6970373A IT996679B (it) 1972-08-31 1973-09-11 Procedimento e macchina per stampa litografica
FR7332664A FR2198839A1 (https=) 1972-08-31 1973-09-11
DE19732346015 DE2346015A1 (de) 1972-08-31 1973-09-12 Verfahren zum lithographischen drucken und anordnung zur durchfuehrung des verfahrens

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712144487 DE2144487C3 (de) 1971-09-06 1971-09-06 Einrichtung zur berührungslosen Messung
DE19712160877 DE2160877C3 (de) 1971-12-08 1971-12-08 Einrichtung zum Messen der relativen Bewegung eines Objektes

Publications (1)

Publication Number Publication Date
GB1389309A true GB1389309A (en) 1975-04-03

Family

ID=25761693

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4033572A Expired GB1389309A (en) 1971-09-06 1972-08-31 Apparatus for measuring properties of movement

Country Status (4)

Country Link
CH (1) CH548605A (https=)
FR (1) FR2152122A5 (https=)
GB (1) GB1389309A (https=)
IT (1) IT965158B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2736583C2 (de) * 1977-08-13 1985-11-07 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Verfahren und Einrichtungen zur Gewinnung von gegeneinander phasenverschobenen Steuersignalen für einen Vor-Rückwärtszähler

Also Published As

Publication number Publication date
IT965158B (it) 1974-01-31
FR2152122A5 (https=) 1973-04-20
CH548605A (de) 1974-04-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee