FR1284784A - Perfectionnements apportés aux appareils de mesure - Google Patents

Perfectionnements apportés aux appareils de mesure

Info

Publication number
FR1284784A
FR1284784A FR855171A FR855171A FR1284784A FR 1284784 A FR1284784 A FR 1284784A FR 855171 A FR855171 A FR 855171A FR 855171 A FR855171 A FR 855171A FR 1284784 A FR1284784 A FR 1284784A
Authority
FR
France
Prior art keywords
measuring devices
measuring
devices
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
FR855171A
Other languages
English (en)
Inventor
Ernest Thomas Angus
Alexander Turnbull Shepherd
David Theodore Nels Williamson
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to FR855171A priority Critical patent/FR1284784A/fr
Application granted granted Critical
Publication of FR1284784A publication Critical patent/FR1284784A/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
    • G01D5/363—Direction discrimination

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR855171A 1961-03-10 1961-03-10 Perfectionnements apportés aux appareils de mesure Expired FR1284784A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR855171A FR1284784A (fr) 1961-03-10 1961-03-10 Perfectionnements apportés aux appareils de mesure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR855171A FR1284784A (fr) 1961-03-10 1961-03-10 Perfectionnements apportés aux appareils de mesure

Publications (1)

Publication Number Publication Date
FR1284784A true FR1284784A (fr) 1962-02-16

Family

ID=8750543

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855171A Expired FR1284784A (fr) 1961-03-10 1961-03-10 Perfectionnements apportés aux appareils de mesure

Country Status (1)

Country Link
FR (1) FR1284784A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1276336B (de) * 1963-08-01 1968-08-29 Wenczler & Heidenhain Optische Einrichtung zum Messen von Strecken und Teilen von Kreisen durch Verschiebung einer Teilung gegenueber einer Ablesevorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1276336B (de) * 1963-08-01 1968-08-29 Wenczler & Heidenhain Optische Einrichtung zum Messen von Strecken und Teilen von Kreisen durch Verschiebung einer Teilung gegenueber einer Ablesevorrichtung

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