SE9900346L - A navigation device which comprises a ruler and a protractor - Google Patents

A navigation device which comprises a ruler and a protractor

Info

Publication number
SE9900346L
SE9900346L SE9900346A SE9900346A SE9900346L SE 9900346 L SE9900346 L SE 9900346L SE 9900346 A SE9900346 A SE 9900346A SE 9900346 A SE9900346 A SE 9900346A SE 9900346 L SE9900346 L SE 9900346L
Authority
SE
Sweden
Prior art keywords
protractor
ruler
navigation device
rule
sleigh
Prior art date
Application number
SE9900346A
Other languages
Swedish (sv)
Other versions
SE9900346D0 (en
SE513612C2 (en
Inventor
Kjell Lundvall
Original Assignee
Hb Oracta
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 Hb Oracta filed Critical Hb Oracta
Priority to SE9900346A priority Critical patent/SE513612C2/en
Publication of SE9900346D0 publication Critical patent/SE9900346D0/en
Publication of SE9900346L publication Critical patent/SE9900346L/en
Publication of SE513612C2 publication Critical patent/SE513612C2/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20—Instruments for performing navigational calculations
    • G01C21/203—Specially adapted for sailing ships
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20—Instruments for performing navigational calculations
    • G01C21/22—Plotting boards

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Drawing Aids And Blackboards (AREA)

Abstract

The rule (1) and protractor (9) do not overlap and rollers (12) are provided so that they can be moved in parallel. The protractor is secured to a sleigh (4) which can be slid in the rule length direction.
SE9900346A 1999-02-02 1999-02-02 Maritime navigation device, comprises non overlapping rule and protractor movable in parallel along rollers SE513612C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9900346A SE513612C2 (en) 1999-02-02 1999-02-02 Maritime navigation device, comprises non overlapping rule and protractor movable in parallel along rollers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9900346A SE513612C2 (en) 1999-02-02 1999-02-02 Maritime navigation device, comprises non overlapping rule and protractor movable in parallel along rollers

Publications (3)

Publication Number Publication Date
SE9900346D0 SE9900346D0 (en) 1999-02-02
SE9900346L true SE9900346L (en) 2000-08-03
SE513612C2 SE513612C2 (en) 2000-10-09

Family

ID=20414330

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900346A SE513612C2 (en) 1999-02-02 1999-02-02 Maritime navigation device, comprises non overlapping rule and protractor movable in parallel along rollers

Country Status (1)

Country Link
SE (1) SE513612C2 (en)

Also Published As

Publication number Publication date
SE9900346D0 (en) 1999-02-02
SE513612C2 (en) 2000-10-09

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Legal Events

Date Code Title Description
NUG Patent has lapsed