FR773222A - Method and instrument for determining the direction of a horizontal passing through a point on board a ship, and having a known height above sea level - Google Patents

Method and instrument for determining the direction of a horizontal passing through a point on board a ship, and having a known height above sea level

Info

Publication number
FR773222A
FR773222A FR773222DA FR773222A FR 773222 A FR773222 A FR 773222A FR 773222D A FR773222D A FR 773222DA FR 773222 A FR773222 A FR 773222A
Authority
FR
France
Prior art keywords
ship
instrument
board
determining
point
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)
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
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 Carl Zeiss AG filed Critical Carl Zeiss AG
Application granted granted Critical
Publication of FR773222A publication Critical patent/FR773222A/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
    • G01C3/02—Details
    • G01C3/04—Adaptation of rangefinders for combination with telescopes or binoculars

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR773222D 1933-05-16 1934-05-12 Method and instrument for determining the direction of a horizontal passing through a point on board a ship, and having a known height above sea level Expired FR773222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE773222X 1933-05-16

Publications (1)

Publication Number Publication Date
FR773222A true FR773222A (en) 1934-11-14

Family

ID=6683700

Family Applications (1)

Application Number Title Priority Date Filing Date
FR773222D Expired FR773222A (en) 1933-05-16 1934-05-12 Method and instrument for determining the direction of a horizontal passing through a point on board a ship, and having a known height above sea level

Country Status (1)

Country Link
FR (1) FR773222A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113907782A (en) * 2021-10-22 2022-01-11 明峰医疗系统股份有限公司 Height measuring method and system for diagnostic bed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113907782A (en) * 2021-10-22 2022-01-11 明峰医疗系统股份有限公司 Height measuring method and system for diagnostic bed
CN113907782B (en) * 2021-10-22 2023-08-22 明峰医疗系统股份有限公司 Diagnostic bed height measurement method and system

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