CA2413283A1 - Walking stick navigator for position determination - Google Patents

Walking stick navigator for position determination Download PDF

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Publication number
CA2413283A1
CA2413283A1 CA002413283A CA2413283A CA2413283A1 CA 2413283 A1 CA2413283 A1 CA 2413283A1 CA 002413283 A CA002413283 A CA 002413283A CA 2413283 A CA2413283 A CA 2413283A CA 2413283 A1 CA2413283 A1 CA 2413283A1
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CA
Canada
Prior art keywords
gps
ains
surveyor
walking stick
staff assembly
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.)
Granted
Application number
CA002413283A
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French (fr)
Other versions
CA2413283C (en
Inventor
Bruno M. Scherzinger
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Applanix Corp
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Individual
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Publication of CA2413283A1 publication Critical patent/CA2413283A1/en
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Publication of CA2413283C publication Critical patent/CA2413283C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00

Abstract

A walking stick navigator (WSN) apparatus and process comprises an aided INS (AINS) on a staff assembly that has the "look and feel" of a GPS survey instrument. When GPS is available, the AINS is aided by GPS data, and the surveyor manipulates the staff assembly like a standard GPS survey instrument. When GPS is not available due to signal obstruction, the surveyor manipulates the staff assembly as a walking stick. A switch means coupled to the lower end of the staff assembly provides a stationary interval signal when the surveyor plants and holds the WSN on the ground while walking. An input process is coupled to the AINS output signals and to the stationary interval signals and provides at least one aiding input signal to the AINS for each successive stationary interval, thereby allowing the AINS to control its velocity error and position drift during a GPS outage.
CA002413283A 2001-12-03 2002-12-02 Walking stick navigator for position determination Expired - Lifetime CA2413283C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US33725601P 2001-12-03 2001-12-03
US60/337,256 2001-12-03
US10/307,129 US6853909B2 (en) 2001-12-03 2002-11-29 Walking stick navigator for position determination
US10/307,129 2002-11-29

Publications (2)

Publication Number Publication Date
CA2413283A1 true CA2413283A1 (en) 2003-06-03
CA2413283C CA2413283C (en) 2007-07-17

Family

ID=26975560

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002413283A Expired - Lifetime CA2413283C (en) 2001-12-03 2002-12-02 Walking stick navigator for position determination

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US (2) US6853909B2 (en)
CA (1) CA2413283C (en)

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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
US20030114984A1 (en) 2003-06-19
US20050203701A1 (en) 2005-09-15
CA2413283C (en) 2007-07-17
US7043364B2 (en) 2006-05-09
US6853909B2 (en) 2005-02-08

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Effective date: 20221202