DE2011821B2 - Zeichengerat aus durchsichtigem Material für Navigationszwecke - Google Patents

Zeichengerat aus durchsichtigem Material für Navigationszwecke

Info

Publication number
DE2011821B2
DE2011821B2 DE19702011821 DE2011821A DE2011821B2 DE 2011821 B2 DE2011821 B2 DE 2011821B2 DE 19702011821 DE19702011821 DE 19702011821 DE 2011821 A DE2011821 A DE 2011821A DE 2011821 B2 DE2011821 B2 DE 2011821B2
Authority
DE
Germany
Prior art keywords
ruler
protractor
edge
rulers
edges
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.)
Granted
Application number
DE19702011821
Other languages
German (de)
English (en)
Other versions
DE2011821A1 (de
DE2011821C3 (enrdf_load_stackoverflow
Inventor
Fernando De Parede Barros (Portugal)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE2011821A1 publication Critical patent/DE2011821A1/de
Publication of DE2011821B2 publication Critical patent/DE2011821B2/de
Application granted granted Critical
Publication of DE2011821C3 publication Critical patent/DE2011821C3/de
Granted legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Instructional Devices (AREA)
DE19702011821 1969-03-13 1970-03-12 Zeichengerat aus durchsichtigem Material für Navigationszwecke Granted DE2011821B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT5134169 1969-03-13

Publications (3)

Publication Number Publication Date
DE2011821A1 DE2011821A1 (de) 1970-10-08
DE2011821B2 true DE2011821B2 (de) 1973-10-31
DE2011821C3 DE2011821C3 (enrdf_load_stackoverflow) 1974-05-30

Family

ID=20081689

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702011821 Granted DE2011821B2 (de) 1969-03-13 1970-03-12 Zeichengerat aus durchsichtigem Material für Navigationszwecke

Country Status (7)

Country Link
BE (1) BE747359A (enrdf_load_stackoverflow)
CH (1) CH516788A (enrdf_load_stackoverflow)
DE (1) DE2011821B2 (enrdf_load_stackoverflow)
DK (1) DK130371B (enrdf_load_stackoverflow)
FR (1) FR2038929A5 (enrdf_load_stackoverflow)
GB (1) GB1296886A (enrdf_load_stackoverflow)
NL (1) NL7003581A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8613750D0 (en) * 1986-06-06 1986-07-09 Macleod I Depth gauge
GB2191593B (en) * 1986-06-13 1990-04-25 Liu Bao Shen Angle measuring instrument
GB8615824D0 (en) * 1986-06-27 1986-08-06 Smiths Industries Plc Parallel protractor rules
GB9001887D0 (en) * 1990-01-26 1990-03-28 Forshaw Whittaker Christopher Ophthalmic measurer and templates
GB2291717A (en) * 1994-07-15 1996-01-31 John Mary Patrick Broderick Device for measuring and indicating angles
CN105620126B (zh) * 2016-02-22 2017-10-31 桂林航天工业学院 一种快速准确多用途绘图仪
CN113561683B (zh) * 2021-08-27 2022-02-22 中国人民解放军军事科学院国防科技创新研究院 一种航海标绘装置及使用方法

Also Published As

Publication number Publication date
FR2038929A5 (enrdf_load_stackoverflow) 1971-01-08
CH516788A (fr) 1971-12-15
NL7003581A (enrdf_load_stackoverflow) 1970-09-15
DE2011821A1 (de) 1970-10-08
DK130371C (enrdf_load_stackoverflow) 1975-07-07
DK130371B (da) 1975-02-10
BE747359A (fr) 1970-08-17
DE2011821C3 (enrdf_load_stackoverflow) 1974-05-30
GB1296886A (enrdf_load_stackoverflow) 1972-11-22

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)