HK168595A - Navigation aids - Google Patents

Navigation aids

Info

Publication number
HK168595A
HK168595A HK168595A HK168595A HK168595A HK 168595 A HK168595 A HK 168595A HK 168595 A HK168595 A HK 168595A HK 168595 A HK168595 A HK 168595A HK 168595 A HK168595 A HK 168595A
Authority
HK
Hong Kong
Prior art keywords
navigation aids
aids
navigation
Prior art date
Application number
HK168595A
Inventor
Hugh John Agnew
Gwyn David Walter Parfitt
Roger Kenneth Woolley
Original Assignee
Qudos Sa
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 Qudos Sa filed Critical Qudos Sa
Publication of HK168595A publication Critical patent/HK168595A/en

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
    • G01C21/22—Plotting boards
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/10—Map spot or coordinate position indicators; Map reading aids
    • G09B29/106—Map spot or coordinate position indicators; Map reading aids using electronic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Automation & Control Theory (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Navigation (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
HK168595A 1986-05-16 1995-11-02 Navigation aids HK168595A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8612002A GB2191859B (en) 1986-05-16 1986-05-16 Navigation aids

Publications (1)

Publication Number Publication Date
HK168595A true HK168595A (en) 1995-11-10

Family

ID=10597993

Family Applications (1)

Application Number Title Priority Date Filing Date
HK168595A HK168595A (en) 1986-05-16 1995-11-02 Navigation aids

Country Status (2)

Country Link
GB (1) GB2191859B (en)
HK (1) HK168595A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2307553B (en) 1995-11-21 2000-07-05 Qudos Sa Locating positions on maps
GB2320325A (en) * 1996-12-13 1998-06-17 Robert Moran Navigators aid
FR2797045A1 (en) * 1999-07-26 2001-02-02 Mlr Electronique NAVIGATION AND POSITIONING SYSTEM AND METHOD FOR IMPLEMENTING THE SYSTEM

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636256A (en) * 1969-10-23 1972-01-18 Instronics Ltd Chart-reading apparatus
GB2043909B (en) * 1979-03-10 1983-03-16 Ferranti Ltd Position locating system
GB2080522B (en) * 1979-09-19 1983-10-12 Draper Lab Charles S Improved instrumented remote centre compliance device
GB2140562B (en) * 1983-04-22 1986-10-08 Robert John Collins Current-ratio digitisers
JPS60181816A (en) * 1984-02-29 1985-09-17 Pentel Kk Signal detecting position deciding method of graphic input device

Also Published As

Publication number Publication date
GB2191859B (en) 1990-10-10
GB8612002D0 (en) 1986-06-25
GB2191859A (en) 1987-12-23

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20040516