CA2209574A1 - Dispositif pour determiner la direction et mesurer la distance - Google Patents

Dispositif pour determiner la direction et mesurer la distance

Info

Publication number
CA2209574A1
CA2209574A1 CA 2209574 CA2209574A CA2209574A1 CA 2209574 A1 CA2209574 A1 CA 2209574A1 CA 2209574 CA2209574 CA 2209574 CA 2209574 A CA2209574 A CA 2209574A CA 2209574 A1 CA2209574 A1 CA 2209574A1
Authority
CA
Canada
Prior art keywords
indicia
ring
distance
housing
recited
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.)
Abandoned
Application number
CA 2209574
Other languages
English (en)
Inventor
Thomas R. Swetish
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.)
Johnson Outdoors Inc
Original Assignee
Johnson Worldwide Associates Inc
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 Johnson Worldwide Associates Inc filed Critical Johnson Worldwide Associates Inc
Priority to CA 2209574 priority Critical patent/CA2209574A1/fr
Publication of CA2209574A1 publication Critical patent/CA2209574A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20Instruments for performing navigational calculations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
CA 2209574 1997-07-04 1997-07-04 Dispositif pour determiner la direction et mesurer la distance Abandoned CA2209574A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2209574 CA2209574A1 (fr) 1997-07-04 1997-07-04 Dispositif pour determiner la direction et mesurer la distance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2209574 CA2209574A1 (fr) 1997-07-04 1997-07-04 Dispositif pour determiner la direction et mesurer la distance

Publications (1)

Publication Number Publication Date
CA2209574A1 true CA2209574A1 (fr) 1999-01-04

Family

ID=4161002

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2209574 Abandoned CA2209574A1 (fr) 1997-07-04 1997-07-04 Dispositif pour determiner la direction et mesurer la distance

Country Status (1)

Country Link
CA (1) CA2209574A1 (fr)

Similar Documents

Publication Publication Date Title
US6357128B1 (en) Low profile compass with removable protective cover and magnetic bull's eye alignment system
US4995169A (en) Device for indicating angular position
US4934061A (en) Draughting tables, drawing boards, drawing instruments and analogous apparatus
US3983630A (en) Navigational charting and calculating device
EP2546605B1 (fr) Compas avec ajustement de déclinaison améliorée
US4053985A (en) Mechanical protractor
US5408753A (en) Protractor with a rotor
US6405443B1 (en) Geometric construction device
CA2209574A1 (fr) Dispositif pour determiner la direction et mesurer la distance
US5007174A (en) Topographic measuring device
US6061920A (en) Measuring device for topographical maps
US4491724A (en) Course and heading computer
US3643333A (en) Navigational course computer and plotter
JPS60161516A (ja) オリエンテーリング用コンパス
CA2073002C (fr) Aide a la navigation
GB2264364A (en) Protractor
US4157076A (en) Wheel rotation indicator
CN201555578U (zh) 简易太阳地平坐标测量仪
US5461792A (en) Navigation aid with biangulation
US4792665A (en) Step counter
SU1381009A1 (ru) Прибор дл измерени угла между пр мыми лини ми
EP0131601A4 (fr) Dispositif d'indication d'une pente.
US4513505A (en) Device for indicating the polar coordinate position of a given point anywhere within a circular area
GB2213947A (en) Drawing instrument
JPH02103197A (ja) 定規

Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead