FR1392219A - Device for determining or regulating by means of an electric bridge the distance of an object from a defined plane - Google Patents

Device for determining or regulating by means of an electric bridge the distance of an object from a defined plane

Info

Publication number
FR1392219A
FR1392219A FR972125A FR972125A FR1392219A FR 1392219 A FR1392219 A FR 1392219A FR 972125 A FR972125 A FR 972125A FR 972125 A FR972125 A FR 972125A FR 1392219 A FR1392219 A FR 1392219A
Authority
FR
France
Prior art keywords
regulating
determining
distance
electric bridge
defined plane
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
FR972125A
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR972125A priority Critical patent/FR1392219A/en
Application granted granted Critical
Publication of FR1392219A publication Critical patent/FR1392219A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/32—Measuring distances in line of sight; Optical rangefinders by focusing the object, e.g. on a ground glass screen
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR972125A 1964-04-24 1964-04-24 Device for determining or regulating by means of an electric bridge the distance of an object from a defined plane Expired FR1392219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR972125A FR1392219A (en) 1964-04-24 1964-04-24 Device for determining or regulating by means of an electric bridge the distance of an object from a defined plane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR972125A FR1392219A (en) 1964-04-24 1964-04-24 Device for determining or regulating by means of an electric bridge the distance of an object from a defined plane

Publications (1)

Publication Number Publication Date
FR1392219A true FR1392219A (en) 1965-03-12

Family

ID=8828559

Family Applications (1)

Application Number Title Priority Date Filing Date
FR972125A Expired FR1392219A (en) 1964-04-24 1964-04-24 Device for determining or regulating by means of an electric bridge the distance of an object from a defined plane

Country Status (1)

Country Link
FR (1) FR1392219A (en)

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