DE231461C - - Google Patents

Info

Publication number
DE231461C
DE231461C DENDAT231461D DE231461DA DE231461C DE 231461 C DE231461 C DE 231461C DE NDAT231461 D DENDAT231461 D DE NDAT231461D DE 231461D A DE231461D A DE 231461DA DE 231461 C DE231461 C DE 231461C
Authority
DE
Germany
Prior art keywords
dividing line
image
eyepiece
upright
sides
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
DENDAT231461D
Other languages
German (de)
English (en)
Publication of DE231461C publication Critical patent/DE231461C/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
    • 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)
  • Telescopes (AREA)
DENDAT231461D Active DE231461C (en:Method)

Publications (1)

Publication Number Publication Date
DE231461C true DE231461C (en:Method)

Family

ID=491571

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT231461D Active DE231461C (en:Method)

Country Status (1)

Country Link
DE (1) DE231461C (en:Method)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5013958A (en) * 1988-10-18 1991-05-07 Alps Electric Co., Ltd. X-Y stage with ultrasonic actuator
US5101132A (en) * 1989-08-31 1992-03-31 Brother Kogyo Kabushiki Kaisha Linear ultrasonic motor
US5105117A (en) * 1989-10-31 1992-04-14 Brother Kogyo Kabushiki Kaisha Ultrasonic motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5013958A (en) * 1988-10-18 1991-05-07 Alps Electric Co., Ltd. X-Y stage with ultrasonic actuator
US5101132A (en) * 1989-08-31 1992-03-31 Brother Kogyo Kabushiki Kaisha Linear ultrasonic motor
US5105117A (en) * 1989-10-31 1992-04-14 Brother Kogyo Kabushiki Kaisha Ultrasonic motor

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