FR447001A - Rangefinder system - Google Patents

Rangefinder system

Info

Publication number
FR447001A
FR447001A FR447001DA FR447001A FR 447001 A FR447001 A FR 447001A FR 447001D A FR447001D A FR 447001DA FR 447001 A FR447001 A FR 447001A
Authority
FR
France
Prior art keywords
rangefinder system
rangefinder
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
John Sevath Boyum
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR447001A publication Critical patent/FR447001A/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)
FR447001D 1912-06-07 1912-06-07 Rangefinder system Expired FR447001A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR447001T 1912-06-07

Publications (1)

Publication Number Publication Date
FR447001A true FR447001A (en) 1912-12-20

Family

ID=1487733

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447001D Expired FR447001A (en) 1912-06-07 1912-06-07 Rangefinder system

Country Status (1)

Country Link
FR (1) FR447001A (en)

Similar Documents

Publication Publication Date Title
FR447001A (en) Rangefinder system
FR442511A (en) Rangefinder system
FR439962A (en) Bolt system
FR439397A (en) Padlock-clip system
FR455762A (en) Connection system
FR440809A (en) Heating system
FR16038E (en) Padlock-clip system
FR463527A (en) Combined cinematograph-phonograph system
FR447460A (en) Brick system
FR459976A (en) Advanced navigation system
FR439292A (en) Construction system
FR446789A (en) Sleeve system
FR441367A (en) Rivet system
FR452599A (en) Bulletproof system
FR440821A (en) Siphon system
FR447587A (en) New lighter-igniter system
FR444214A (en) Mustard system
FR452803A (en) Tiling system
FR439839A (en) Phone system
FR439840A (en) Phone system
FR446415A (en) Capping system
FR455186A (en) Mechanical hammer system
FR452526A (en) Assembled floor system
FR448896A (en) Mudguard system
FR446482A (en) Advertising system