FR1270501A - Perfectionnement aux systèmes de repérage - Google Patents

Perfectionnement aux systèmes de repérage

Info

Publication number
FR1270501A
FR1270501A FR623815A FR623815A FR1270501A FR 1270501 A FR1270501 A FR 1270501A FR 623815 A FR623815 A FR 623815A FR 623815 A FR623815 A FR 623815A FR 1270501 A FR1270501 A FR 1270501A
Authority
FR
France
Prior art keywords
development
tracking systems
tracking
systems
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
FR623815A
Other languages
English (en)
Inventor
Rene Jean Hardy
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.)
S I R T Sarl
Original Assignee
S I R T Sarl
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 S I R T Sarl filed Critical S I R T Sarl
Priority to FR623815A priority Critical patent/FR1270501A/fr
Application granted granted Critical
Publication of FR1270501A publication Critical patent/FR1270501A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR623815A 1952-02-15 1952-02-15 Perfectionnement aux systèmes de repérage Expired FR1270501A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR623815A FR1270501A (fr) 1952-02-15 1952-02-15 Perfectionnement aux systèmes de repérage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR623815A FR1270501A (fr) 1952-02-15 1952-02-15 Perfectionnement aux systèmes de repérage

Publications (1)

Publication Number Publication Date
FR1270501A true FR1270501A (fr) 1961-09-01

Family

ID=8695816

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623815A Expired FR1270501A (fr) 1952-02-15 1952-02-15 Perfectionnement aux systèmes de repérage

Country Status (1)

Country Link
FR (1) FR1270501A (fr)

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