CA1015556A - Navigational sighting compass with decimal information display means - Google Patents

Navigational sighting compass with decimal information display means

Info

Publication number
CA1015556A
CA1015556A CA208,513A CA208513A CA1015556A CA 1015556 A CA1015556 A CA 1015556A CA 208513 A CA208513 A CA 208513A CA 1015556 A CA1015556 A CA 1015556A
Authority
CA
Canada
Prior art keywords
sighting
navigational
compass
display means
information display
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.)
Expired
Application number
CA208,513A
Other versions
CA208513S (en
Inventor
Joseph P. Harley
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.)
Westinghouse Canada Inc
Original Assignee
Westinghouse Canada 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 Westinghouse Canada Inc filed Critical Westinghouse Canada Inc
Priority to CA208,513A priority Critical patent/CA1015556A/en
Application granted granted Critical
Publication of CA1015556A publication Critical patent/CA1015556A/en
Expired legal-status Critical Current

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
    • G01C17/20—Observing the compass card or needle
    • G01C17/26—Observing the compass card or needle using electric pick-offs for transmission to final indicator, e.g. photocell
    • 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
    • G01C17/10—Comparing observed direction with north indication
    • G01C17/14—Comparing observed direction with north indication by reference marks, e.g. for ships' compasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CA208,513A 1974-09-05 1974-09-05 Navigational sighting compass with decimal information display means Expired CA1015556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA208,513A CA1015556A (en) 1974-09-05 1974-09-05 Navigational sighting compass with decimal information display means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA208,513A CA1015556A (en) 1974-09-05 1974-09-05 Navigational sighting compass with decimal information display means

Publications (1)

Publication Number Publication Date
CA1015556A true CA1015556A (en) 1977-08-16

Family

ID=4101051

Family Applications (1)

Application Number Title Priority Date Filing Date
CA208,513A Expired CA1015556A (en) 1974-09-05 1974-09-05 Navigational sighting compass with decimal information display means

Country Status (1)

Country Link
CA (1) CA1015556A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0008861A2 (en) * 1978-09-05 1980-03-19 S.G. Brown Limited Digital bearing repeater
EP0503214A1 (en) * 1991-03-11 1992-09-16 CONTRAVES ITALIANA S.p.A. Orientation device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0008861A2 (en) * 1978-09-05 1980-03-19 S.G. Brown Limited Digital bearing repeater
EP0008861A3 (en) * 1978-09-05 1980-04-02 S.G. Brown Limited Digital bearing repeater
EP0503214A1 (en) * 1991-03-11 1992-09-16 CONTRAVES ITALIANA S.p.A. Orientation device

Similar Documents

Publication Publication Date Title
CA1022333A (en) Plumb light
IL46481A0 (en) Data display system
AU8602875A (en) Navigation calculator
ZA753950B (en) Improvements relating to data display systems
CA1006558A (en) Portable display vehicle
CA1029865A (en) Display system with simplified convergence
CA1031849A (en) Horizon sensor
AU507714B2 (en) Optical metronome
AU501783B2 (en) Position indicating system
CA1023582A (en) Strapdown gyro drift calculator
CA1027269A (en) Scroll display with visual segment indicia
CA1015556A (en) Navigational sighting compass with decimal information display means
AU503340B2 (en) Instrument assembly
CA1013858A (en) Compass display circuit
AU497713B2 (en) Radio navigation beacon
ATA293674A (en) INSTRUMENT POINTER WITH A BEARING
CA1030823A (en) Position indicator
FR2292594A1 (en) COMPASS
CA908416A (en) Navigational sighting compass
CA915418A (en) Magnetic compass or like indicating instrument
AU497975B2 (en) Display sign
CA1017883A (en) Alphanumeric display system
CA1013723A (en) Lap-size portable piloting and navigation station
CA866499A (en) Gyro compasses
AU496390B2 (en) Levelling instrument