FR523053A - Telemetry device for determining the distance of airplanes - Google Patents

Telemetry device for determining the distance of airplanes

Info

Publication number
FR523053A
FR523053A FR523053A FR523053DA FR523053A FR 523053 A FR523053 A FR 523053A FR 523053 A FR523053 A FR 523053A FR 523053D A FR523053D A FR 523053DA FR 523053 A FR523053 A FR 523053A
Authority
FR
France
Prior art keywords
airplanes
determining
distance
telemetry device
telemetry
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
FR523053A
Other languages
French (fr)
Inventor
Umberto Gentili
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.)
UMBERTO GENTILI
Original Assignee
UMBERTO GENTILI
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 UMBERTO GENTILI filed Critical UMBERTO GENTILI
Application granted granted Critical
Publication of FR523053A publication Critical patent/FR523053A/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
    • G01C3/10—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument
    • 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
    • G01C3/10—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument
    • G01C3/18—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument with one observation point at each end of the base
FR523053A 1920-08-25 1920-08-25 Telemetry device for determining the distance of airplanes Expired FR523053A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR523053T 1920-08-25

Publications (1)

Publication Number Publication Date
FR523053A true FR523053A (en) 1921-08-11

Family

ID=8918347

Family Applications (1)

Application Number Title Priority Date Filing Date
FR523053A Expired FR523053A (en) 1920-08-25 1920-08-25 Telemetry device for determining the distance of airplanes

Country Status (1)

Country Link
FR (1) FR523053A (en)

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