DK0513039T3 - Navigationshjælp indbefattende en korttransparensholder - Google Patents

Navigationshjælp indbefattende en korttransparensholder

Info

Publication number
DK0513039T3
DK0513039T3 DK91902369.7T DK91902369T DK0513039T3 DK 0513039 T3 DK0513039 T3 DK 0513039T3 DK 91902369 T DK91902369 T DK 91902369T DK 0513039 T3 DK0513039 T3 DK 0513039T3
Authority
DK
Denmark
Prior art keywords
lens
compass
transparency
transparency holder
grid
Prior art date
Application number
DK91902369.7T
Other languages
English (en)
Inventor
David Carey Hill
Original Assignee
Navitrak Corp
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
Priority claimed from US07/471,943 external-priority patent/US5060390A/en
Application filed by Navitrak Corp filed Critical Navitrak Corp
Application granted granted Critical
Publication of DK0513039T3 publication Critical patent/DK0513039T3/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S353/00—Optics: image projectors
    • Y10S353/05—Transparency holder accessories

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Instructional Devices (AREA)
  • Navigation (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Ceramic Products (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Eye Examination Apparatus (AREA)
  • Lenses (AREA)
  • Pens And Brushes (AREA)
  • Packaging For Recording Disks (AREA)
  • Liquid Crystal (AREA)
DK91902369.7T 1990-01-29 1991-01-29 Navigationshjælp indbefattende en korttransparensholder DK0513039T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/471,943 US5060390A (en) 1990-01-29 1990-01-29 Navigation aid
US07/572,753 US5339528A (en) 1990-01-29 1990-08-24 Transparency holder for navigation aid

Publications (1)

Publication Number Publication Date
DK0513039T3 true DK0513039T3 (da) 1996-02-19

Family

ID=27043617

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91902369.7T DK0513039T3 (da) 1990-01-29 1991-01-29 Navigationshjælp indbefattende en korttransparensholder

Country Status (13)

Country Link
US (1) US5339528A (da)
EP (2) EP0646773B1 (da)
JP (1) JPH05504622A (da)
AT (2) ATE155241T1 (da)
AU (2) AU652735B2 (da)
CA (2) CA2189800C (da)
DE (2) DE69126798D1 (da)
DK (1) DK0513039T3 (da)
ES (1) ES2082189T3 (da)
FI (1) FI923333A (da)
GR (1) GR3018562T3 (da)
NO (1) NO922972L (da)
WO (1) WO1991011683A2 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6016606A (en) * 1997-04-25 2000-01-25 Navitrak International Corporation Navigation device having a viewer for superimposing bearing, GPS position and indexed map information
US6036017A (en) * 1998-10-26 2000-03-14 Bayliss, Iv; Thomas Andrews Safety prescription container
US8744535B2 (en) 2010-10-29 2014-06-03 Blackberry Limited Navigation tool holder
EP2448225B1 (en) * 2010-10-29 2013-09-11 BlackBerry Limited Navigation tool holder

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2210773A (en) * 1939-01-14 1940-08-06 Alvin D Niemeyer Course and bearing indicator
US3094781A (en) * 1960-03-10 1963-06-25 Vangor William Course finder
DE1303504B (da) * 1962-07-06 1972-01-13 Seary Manufacturing Co
US3269261A (en) * 1963-09-30 1966-08-30 Porter & Co Inc Registration method and frame
US3344707A (en) * 1965-12-07 1967-10-03 Crouzet Sa Topography indicator for aircraft
US3983630A (en) * 1974-03-25 1976-10-05 Hamm Systems Navigational charting and calculating device
US4149783A (en) * 1975-05-16 1979-04-17 Latady William R Miniature map viewer with aligning reticle
US4422738A (en) * 1979-05-23 1983-12-27 Steele Daniel W Hand-held map viewer and navigational aid
US4335521A (en) * 1980-06-26 1982-06-22 Rutherford Terry G Method and apparatus for geographic location

Also Published As

Publication number Publication date
FI923333A0 (fi) 1992-07-22
AU7153291A (en) 1991-08-21
FI923333A (fi) 1992-07-22
US5339528A (en) 1994-08-23
ATE128762T1 (de) 1995-10-15
EP0646773A1 (en) 1995-04-05
ATE155241T1 (de) 1997-07-15
AU7895394A (en) 1995-01-27
NO922972D0 (no) 1992-07-28
DE69126798D1 (de) 1997-08-14
WO1991011683A3 (en) 1991-12-12
DE69113614T2 (de) 1996-05-15
CA2073002A1 (en) 1991-07-30
CA2189800A1 (en) 1991-07-30
EP0646773B1 (en) 1997-07-09
CA2189800C (en) 1998-12-08
AU652735B2 (en) 1994-09-08
EP0513039A1 (en) 1992-11-19
DE69113614D1 (de) 1995-11-09
CA2073002C (en) 1996-12-17
EP0513039B1 (en) 1995-10-04
WO1991011683A2 (en) 1991-08-08
NO922972L (no) 1992-09-29
ES2082189T3 (es) 1996-03-16
GR3018562T3 (en) 1996-03-31
JPH05504622A (ja) 1993-07-15

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