FR771198A - Mechanical optical system for measuring angles and distances - Google Patents

Mechanical optical system for measuring angles and distances

Info

Publication number
FR771198A
FR771198A FR771198DA FR771198A FR 771198 A FR771198 A FR 771198A FR 771198D A FR771198D A FR 771198DA FR 771198 A FR771198 A FR 771198A
Authority
FR
France
Prior art keywords
distances
optical system
mechanical optical
measuring angles
angles
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
French (fr)
Inventor
Vincenzo Di Carlo
Vincenzo Aquilecchia
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 FR771198A publication Critical patent/FR771198A/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
    • G01C3/12—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 monocular observation at a single point, e.g. coincidence type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR771198D 1933-04-10 1934-04-04 Mechanical optical system for measuring angles and distances Expired FR771198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT771198X 1933-04-10

Publications (1)

Publication Number Publication Date
FR771198A true FR771198A (en) 1934-10-02

Family

ID=11316131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR771198D Expired FR771198A (en) 1933-04-10 1934-04-04 Mechanical optical system for measuring angles and distances

Country Status (1)

Country Link
FR (1) FR771198A (en)

Similar Documents

Publication Publication Date Title
FR842933A (en) Guided wave system
FR771198A (en) Mechanical optical system for measuring angles and distances
FR805182A (en) Exploration system for television
FR757420A (en) Reflective system for short electric waves
FR804175A (en) System and apparatus for carrying out shots and measurements at night
FR41781E (en) Earring system
FR755066A (en) Optical system for television devices
FR826552A (en) Reversing reflective system for optical instruments
FR823183A (en) Optical device for panoramic telescopes and the like
FR737884A (en) Slide system for drawer
FR47161E (en) Optical system for headlights and projectors
FR828017A (en) Optical system for stereophotogrammetric restitution devices
FR826624A (en) Optical system for projectors
FR830083A (en) Optical system to achieve low image anamorphosis
FR782037A (en) Double lens system for cinematography
FR723633A (en) Adjustable wall light system for furniture
FR49009E (en) Optical system for headlights and projectors
FR799701A (en) Anti-vibration device for optical instruments
FR827979A (en) Optical device for taking and projecting stereoscopic views
FR760619A (en) Optical device for signaling or advertising
FR48208E (en) Optical system for headlights and projectors
FR817059A (en) Improvement in optical systems for light signals
FR801782A (en) Sound-slit optical system
FR788217A (en) Method and device for optical recording of the image of an object
FR761844A (en) Optical device especially for bright rooms