NO790396L - Navigasjonsbord. - Google Patents

Navigasjonsbord.

Info

Publication number
NO790396L
NO790396L NO790396A NO790396A NO790396L NO 790396 L NO790396 L NO 790396L NO 790396 A NO790396 A NO 790396A NO 790396 A NO790396 A NO 790396A NO 790396 L NO790396 L NO 790396L
Authority
NO
Norway
Prior art keywords
frame
displaceable
edges
transparent
support member
Prior art date
Application number
NO790396A
Other languages
English (en)
Norwegian (no)
Inventor
Lars-Olow Jerhammar
Original Assignee
Jerhammar Lars Olow
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 Jerhammar Lars Olow filed Critical Jerhammar Lars Olow
Publication of NO790396L publication Critical patent/NO790396L/no

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
    • G01C21/22—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)
  • Instructional Devices (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Navigation (AREA)
  • Inorganic Insulating Materials (AREA)
NO790396A 1978-02-09 1979-02-07 Navigasjonsbord. NO790396L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7801534A SE409620B (sv) 1978-02-09 1978-02-09 Apparat for bestemning av riktning i forhallande till en kardinalriktning fran en punkt till en annan i en karta

Publications (1)

Publication Number Publication Date
NO790396L true NO790396L (no) 1979-08-10

Family

ID=20333943

Family Applications (1)

Application Number Title Priority Date Filing Date
NO790396A NO790396L (no) 1978-02-09 1979-02-07 Navigasjonsbord.

Country Status (7)

Country Link
US (1) US4213248A (da)
DE (1) DE2904639A1 (da)
DK (1) DK52679A (da)
FI (1) FI790425A7 (da)
GB (1) GB2016692B (da)
NO (1) NO790396L (da)
SE (1) SE409620B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4512087A (en) * 1984-01-13 1985-04-23 Jerhammar Lars O Navigational aid device
GB2341446A (en) * 1998-05-27 2000-03-15 Perry Bowden Reynolds Navigational instrument
CN104330086A (zh) * 2014-10-16 2015-02-04 重庆金宏汽车电子有限公司 车载导航仪快速装配结构
CN110341355B (zh) * 2019-08-08 2024-05-28 中国电建集团成都勘测设计研究院有限公司 赤平投影作图板

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2110087A (en) * 1937-06-21 1938-03-01 Kuhn Jacob Measuring device
US3345751A (en) * 1965-11-15 1967-10-10 Verl N Barzee Drafting table apparatus
US3393458A (en) * 1966-07-07 1968-07-23 Freda Carmine Protractor and chart case
US3456352A (en) * 1968-04-15 1969-07-22 Casey E Bowen Drafting and navigational instruments

Also Published As

Publication number Publication date
SE409620B (sv) 1979-08-27
DE2904639A1 (de) 1979-08-16
FI790425A7 (fi) 1979-08-10
GB2016692A (en) 1979-09-26
US4213248A (en) 1980-07-22
DK52679A (da) 1979-08-10
GB2016692B (en) 1983-02-02

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