FR381121A - Adjustment device for range finders - Google Patents

Adjustment device for range finders

Info

Publication number
FR381121A
FR381121A FR381121A FR381121DA FR381121A FR 381121 A FR381121 A FR 381121A FR 381121 A FR381121 A FR 381121A FR 381121D A FR381121D A FR 381121DA FR 381121 A FR381121 A FR 381121A
Authority
FR
France
Prior art keywords
adjustment device
range finders
finders
range
adjustment
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
FR381121A
Other languages
French (fr)
Inventor
Archibald Barr
William Stroud
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 FR381121A publication Critical patent/FR381121A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
    • 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
    • G01C3/14—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 binocular observation at a single point, e.g. stereoscopic type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR381121A 1906-12-17 1907-06-07 Adjustment device for range finders Expired FR381121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB381121X 1906-12-17

Publications (1)

Publication Number Publication Date
FR381121A true FR381121A (en) 1907-12-28

Family

ID=1427297

Family Applications (1)

Application Number Title Priority Date Filing Date
FR381121A Expired FR381121A (en) 1906-12-17 1907-06-07 Adjustment device for range finders

Country Status (1)

Country Link
FR (1) FR381121A (en)

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