FR2152122A5 - - Google Patents

Info

Publication number
FR2152122A5
FR2152122A5 FR7231442A FR7231442A FR2152122A5 FR 2152122 A5 FR2152122 A5 FR 2152122A5 FR 7231442 A FR7231442 A FR 7231442A FR 7231442 A FR7231442 A FR 7231442A FR 2152122 A5 FR2152122 A5 FR 2152122A5
Authority
FR
France
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
FR7231442A
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
Application granted granted Critical
Publication of FR2152122A5 publication Critical patent/FR2152122A5/fr
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)
FR7231442A 1971-09-06 1972-09-05 Expired FR2152122A5 (fr)

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
FR2152122A5 true FR2152122A5 (fr) 1973-04-20

Family

ID=25761693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7231442A Expired FR2152122A5 (fr) 1971-09-06 1972-09-05

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2400206A1 (fr) * 1977-08-13 1979-03-09 Leitz Ernst Gmbh Procede et dispositif servant a obtenir des signaux de commande respectivement dephases pour un compteur avant-arriere

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2400206A1 (fr) * 1977-08-13 1979-03-09 Leitz Ernst Gmbh Procede et dispositif servant a obtenir des signaux de commande respectivement dephases pour un compteur avant-arriere

Also Published As

Publication number Publication date
IT965158B (it) 1974-01-31
CH548605A (de) 1974-04-30
GB1389309A (en) 1975-04-03

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Legal Events

Date Code Title Description
ST Notification of lapse