FI923333A0 - Navigeringshjaelpmedel med haollare foer karttransparang. - Google Patents

Navigeringshjaelpmedel med haollare foer karttransparang.

Info

Publication number
FI923333A0
FI923333A0 FI923333A FI923333A FI923333A0 FI 923333 A0 FI923333 A0 FI 923333A0 FI 923333 A FI923333 A FI 923333A FI 923333 A FI923333 A FI 923333A FI 923333 A0 FI923333 A0 FI 923333A0
Authority
FI
Finland
Prior art keywords
lens
compass
transparency
grid
wheel
Prior art date
Application number
FI923333A
Other languages
English (en)
Other versions
FI923333A (fi
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
Publication of FI923333A0 publication Critical patent/FI923333A0/fi
Publication of FI923333A publication Critical patent/FI923333A/fi

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
FI923333A 1990-01-29 1992-07-22 Navigeringshjaelpmedel med haollare foer karttransparang. FI923333A (fi)

Applications Claiming Priority (3)

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
PCT/CA1991/000023 WO1991011683A2 (en) 1990-01-29 1991-01-29 Navigation aid including map transparency holder

Publications (2)

Publication Number Publication Date
FI923333A0 true FI923333A0 (fi) 1992-07-22
FI923333A FI923333A (fi) 1992-07-22

Family

ID=27043617

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923333A FI923333A (fi) 1990-01-29 1992-07-22 Navigeringshjaelpmedel med haollare foer karttransparang.

Country Status (13)

Country Link
US (1) US5339528A (fi)
EP (2) EP0646773B1 (fi)
JP (1) JPH05504622A (fi)
AT (2) ATE155241T1 (fi)
AU (2) AU652735B2 (fi)
CA (2) CA2189800C (fi)
DE (2) DE69113614T2 (fi)
DK (1) DK0513039T3 (fi)
ES (1) ES2082189T3 (fi)
FI (1) FI923333A (fi)
GR (1) GR3018562T3 (fi)
NO (1) NO922972L (fi)
WO (1) WO1991011683A2 (fi)

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
EP2448225B1 (en) * 2010-10-29 2013-09-11 BlackBerry Limited Navigation tool holder
US8744535B2 (en) 2010-10-29 2014-06-03 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 (fi) * 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
AU652735B2 (en) 1994-09-08
ATE155241T1 (de) 1997-07-15
JPH05504622A (ja) 1993-07-15
US5339528A (en) 1994-08-23
EP0513039A1 (en) 1992-11-19
DE69126798D1 (de) 1997-08-14
AU7153291A (en) 1991-08-21
EP0646773B1 (en) 1997-07-09
CA2073002C (en) 1996-12-17
ES2082189T3 (es) 1996-03-16
NO922972L (no) 1992-09-29
CA2189800A1 (en) 1991-07-30
DE69113614T2 (de) 1996-05-15
EP0513039B1 (en) 1995-10-04
EP0646773A1 (en) 1995-04-05
DK0513039T3 (da) 1996-02-19
WO1991011683A2 (en) 1991-08-08
GR3018562T3 (en) 1996-03-31
AU7895394A (en) 1995-01-27
CA2189800C (en) 1998-12-08
DE69113614D1 (de) 1995-11-09
ATE128762T1 (de) 1995-10-15
CA2073002A1 (en) 1991-07-30
WO1991011683A3 (en) 1991-12-12
NO922972D0 (no) 1992-07-28
FI923333A (fi) 1992-07-22

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Legal Events

Date Code Title Description
FD Application lapsed