EP3274657A4 - Celestial compass and methods of use and calibration - Google Patents

Celestial compass and methods of use and calibration Download PDF

Info

Publication number
EP3274657A4
EP3274657A4 EP16767866.3A EP16767866A EP3274657A4 EP 3274657 A4 EP3274657 A4 EP 3274657A4 EP 16767866 A EP16767866 A EP 16767866A EP 3274657 A4 EP3274657 A4 EP 3274657A4
Authority
EP
European Patent Office
Prior art keywords
calibration
methods
celestial compass
celestial
compass
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.)
Withdrawn
Application number
EP16767866.3A
Other languages
German (de)
French (fr)
Other versions
EP3274657A1 (en
Inventor
Aharon Yifrach
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.)
Israel Aerospace Industries Ltd
Original Assignee
Israel Aerospace Industries Ltd
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 Israel Aerospace Industries Ltd filed Critical Israel Aerospace Industries Ltd
Publication of EP3274657A1 publication Critical patent/EP3274657A1/en
Publication of EP3274657A4 publication Critical patent/EP3274657A4/en
Withdrawn legal-status Critical Current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
    • G01C17/34—Sun- or astro-compasses
EP16767866.3A 2015-03-26 2016-03-13 Celestial compass and methods of use and calibration Withdrawn EP3274657A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL237963A IL237963A0 (en) 2015-03-26 2015-03-26 Celestial compass and methods of use and calibration
PCT/IL2016/050272 WO2016151574A1 (en) 2015-03-26 2016-03-13 Celestial compass and methods of use and calibration

Publications (2)

Publication Number Publication Date
EP3274657A1 EP3274657A1 (en) 2018-01-31
EP3274657A4 true EP3274657A4 (en) 2018-12-05

Family

ID=55022828

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16767866.3A Withdrawn EP3274657A4 (en) 2015-03-26 2016-03-13 Celestial compass and methods of use and calibration

Country Status (4)

Country Link
EP (1) EP3274657A4 (en)
IL (2) IL237963A0 (en)
SG (1) SG11201707739RA (en)
WO (1) WO2016151574A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3516331B1 (en) 2016-09-25 2021-07-21 Israel Aerospace Industries Ltd. Method of calibrating a computerized leveling offset meter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100283840A1 (en) * 2006-11-24 2010-11-11 Trex Enterprises Corp. Miniature celestial direction detection system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120116711A1 (en) * 2007-09-13 2012-05-10 Trex Enterprises Corp. Portable celestial compass
FR2979022B1 (en) * 2011-08-12 2014-08-22 Sagem Defense Securite STEERING NORTHERN SEARCHING DEVICE AND METHOD OF REPLACING A MAGNETIC COMPASS OF SUCH A DEVICE
CN103837126B (en) * 2012-11-22 2016-01-20 施浒立 Using position of heavenly body as the three-dimensional space direction angle measuring device of calibration benchmark and method
KR101515299B1 (en) * 2013-08-26 2015-04-24 이영섭 Astronomical compass

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100283840A1 (en) * 2006-11-24 2010-11-11 Trex Enterprises Corp. Miniature celestial direction detection system

Also Published As

Publication number Publication date
WO2016151574A1 (en) 2016-09-29
IL248033A0 (en) 2017-06-29
SG11201707739RA (en) 2017-10-30
EP3274657A1 (en) 2018-01-31
IL237963A0 (en) 2015-11-30

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20170925

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

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A4 Supplementary search report drawn up and despatched

Effective date: 20181026

RIC1 Information provided on ipc code assigned before grant

Ipc: G01C 17/34 20060101AFI20181022BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

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Effective date: 20190524