BE790874A - Regle de navigation, en materiau transparent ou translucide, permettantla lecture directe des temps de vol. - Google Patents

Regle de navigation, en materiau transparent ou translucide, permettantla lecture directe des temps de vol.

Info

Publication number
BE790874A
BE790874A BE790874DA BE790874A BE 790874 A BE790874 A BE 790874A BE 790874D A BE790874D A BE 790874DA BE 790874 A BE790874 A BE 790874A
Authority
BE
Belgium
Prior art keywords
transparent
allowing
translucent material
direct reading
flight times
Prior art date
Application number
Other languages
English (en)
Original Assignee
Bonjean Michel C E M J
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.)
Publication date
Publication of BE790874A publication Critical patent/BE790874A/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand-manipulated computing devices
    • G06G1/0005—Hand-manipulated computing devices characterised by a specific application
    • G06G1/0052—Hand-manipulated computing devices characterised by a specific application for air navigation or sea navigation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
BE790874D 1972-11-03 Regle de navigation, en materiau transparent ou translucide, permettantla lecture directe des temps de vol. BE790874A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE790874 1972-11-03

Publications (1)

Publication Number Publication Date
BE790874A true BE790874A (fr) 1973-03-01

Family

ID=3860372

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790874D BE790874A (fr) 1972-11-03 Regle de navigation, en materiau transparent ou translucide, permettantla lecture directe des temps de vol.

Country Status (1)

Country Link
BE (1) BE790874A (fr)

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