FR557456A - Perfectionnement apporté aux tachéomètres et autres appareils de visée - Google Patents

Perfectionnement apporté aux tachéomètres et autres appareils de visée

Info

Publication number
FR557456A
FR557456A FR557456DA FR557456A FR 557456 A FR557456 A FR 557456A FR 557456D A FR557456D A FR 557456DA FR 557456 A FR557456 A FR 557456A
Authority
FR
France
Prior art keywords
tacheometers
further development
sighting devices
sighting
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
Other languages
English (en)
Inventor
Marcel Boucheseiche
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 filed Critical
Application granted granted Critical
Publication of FR557456A publication Critical patent/FR557456A/fr
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
    • G01C3/26—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with fixed angles and a base of variable length, at, near, or formed by the object
    • G01C3/28—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with fixed angles and a base of variable length, at, near, or formed by the object with provision for reduction of the distance into the horizontal plane
    • G01C3/30—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with fixed angles and a base of variable length, at, near, or formed by the object with provision for reduction of the distance into the horizontal plane with adaptation to the measurement of the height of an object, e.g. tacheometers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR557456D 1922-10-16 1922-10-16 Perfectionnement apporté aux tachéomètres et autres appareils de visée Expired FR557456A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR557456T 1922-10-16

Publications (1)

Publication Number Publication Date
FR557456A true FR557456A (fr) 1923-08-09

Family

ID=8940885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557456D Expired FR557456A (fr) 1922-10-16 1922-10-16 Perfectionnement apporté aux tachéomètres et autres appareils de visée

Country Status (1)

Country Link
FR (1) FR557456A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817635A (en) * 1967-08-08 1974-06-18 Olumpus Co Ltd Device for measuring the actual dimension of an object at the forward end portion of an endoscope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817635A (en) * 1967-08-08 1974-06-18 Olumpus Co Ltd Device for measuring the actual dimension of an object at the forward end portion of an endoscope

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