DE298494C - - Google Patents

Info

Publication number
DE298494C
DE298494C DENDAT298494D DE298494DA DE298494C DE 298494 C DE298494 C DE 298494C DE NDAT298494 D DENDAT298494 D DE NDAT298494D DE 298494D A DE298494D A DE 298494DA DE 298494 C DE298494 C DE 298494C
Authority
DE
Germany
Prior art keywords
wedge
periscope
distances
wedges
arms
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.)
Active
Application number
DENDAT298494D
Other languages
German (de)
English (en)
Publication of DE298494C publication Critical patent/DE298494C/de
Active 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
    • G01C3/12—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)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Optical Distance (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
DENDAT298494D Active DE298494C (OSRAM)

Publications (1)

Publication Number Publication Date
DE298494C true DE298494C (OSRAM)

Family

ID=552694

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT298494D Active DE298494C (OSRAM)

Country Status (1)

Country Link
DE (1) DE298494C (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531977A (en) * 1992-07-17 1996-07-02 Ishihara Sangyo Kaisha Ltd. Process for producing acicular γ-FeOOH particles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531977A (en) * 1992-07-17 1996-07-02 Ishihara Sangyo Kaisha Ltd. Process for producing acicular γ-FeOOH particles

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