FR796674A - Triangle détecteur et sondeur optico-électriques - Google Patents

Triangle détecteur et sondeur optico-électriques

Info

Publication number
FR796674A
FR796674A FR796674DA FR796674A FR 796674 A FR796674 A FR 796674A FR 796674D A FR796674D A FR 796674DA FR 796674 A FR796674 A FR 796674A
Authority
FR
France
Prior art keywords
optico
triangle
detector
electric sounder
sounder
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
Herbert Schlesinger
Victor Haefner
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 FR796674A publication Critical patent/FR796674A/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
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/005—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels altimeters for aircraft

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR796674D 1935-07-27 1935-07-27 Triangle détecteur et sondeur optico-électriques Expired FR796674A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR796674T 1935-07-27

Publications (1)

Publication Number Publication Date
FR796674A true FR796674A (fr) 1936-04-11

Family

ID=9235271

Family Applications (1)

Application Number Title Priority Date Filing Date
FR796674D Expired FR796674A (fr) 1935-07-27 1935-07-27 Triangle détecteur et sondeur optico-électriques

Country Status (1)

Country Link
FR (1) FR796674A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489219A (en) * 1944-12-28 1949-11-22 Lafayette M Hughes Apparatus, including an altimeter for aiding the landing of aircraft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489219A (en) * 1944-12-28 1949-11-22 Lafayette M Hughes Apparatus, including an altimeter for aiding the landing of aircraft

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