HK1012451A1 - Watch with device for determining the direction of earth magnetic north - Google Patents

Watch with device for determining the direction of earth magnetic north

Info

Publication number
HK1012451A1
HK1012451A1 HK98113685A HK98113685A HK1012451A1 HK 1012451 A1 HK1012451 A1 HK 1012451A1 HK 98113685 A HK98113685 A HK 98113685A HK 98113685 A HK98113685 A HK 98113685A HK 1012451 A1 HK1012451 A1 HK 1012451A1
Authority
HK
Hong Kong
Prior art keywords
watch
determining
magnetic north
earth magnetic
earth
Prior art date
Application number
HK98113685A
Other languages
English (en)
Inventor
Jean-Jacques Born
Etienne Bornand
Rudolf Dinger
Original Assignee
Asulab 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 Asulab Sa filed Critical Asulab Sa
Publication of HK1012451A1 publication Critical patent/HK1012451A1/xx

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/02—Detectors of external physical values, e.g. temperature
    • 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
    • G01C17/28—Electromagnetic compasses
    • G01C17/30—Earth-inductor compasses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
HK98113685A 1994-11-21 1998-12-16 Watch with device for determining the direction of earth magnetic north HK1012451A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH03495/94A CH687288B5 (fr) 1994-11-21 1994-11-21 Montre comprenant un dispositif de detection de la direction du nord magnetique terrestre.

Publications (1)

Publication Number Publication Date
HK1012451A1 true HK1012451A1 (en) 1999-07-30

Family

ID=4257232

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98113685A HK1012451A1 (en) 1994-11-21 1998-12-16 Watch with device for determining the direction of earth magnetic north

Country Status (8)

Country Link
US (1) US5596551A (es)
EP (1) EP0713162B1 (es)
JP (1) JP3828187B2 (es)
CN (1) CN1077987C (es)
CH (1) CH687288B5 (es)
DE (1) DE69510891T2 (es)
HK (1) HK1012451A1 (es)
TW (1) TW290662B (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH691084A5 (fr) * 1997-04-04 2001-04-12 Asulab Sa Pièce d'horlogerie comprenant un récepteur GPS, destinée à indiquer la direction d'un endroit "but".
DE69929163T2 (de) * 1998-06-22 2006-08-31 Citizen Watch Co., Ltd., Nishitokyo Elektronische vorrichtung mit azimutmesser und azimutmessverfahren in dieser elektronischen vorrichtung
US6754137B1 (en) * 1998-12-23 2004-06-22 Asulab S.A. Watch providing barometer or altimeter reading, and method for making same
JP2000258564A (ja) * 1999-03-12 2000-09-22 Seiko Instruments Inc 方位計付電子腕時計
JP3872262B2 (ja) 2000-01-25 2007-01-24 セイコーインスツル株式会社 電子方位計及び電子方位計付電子時計
JP3782915B2 (ja) * 2000-02-16 2006-06-07 セイコーインスツル株式会社 磁気センサを有する電子機器
JP3857499B2 (ja) * 2000-05-12 2006-12-13 セイコーインスツル株式会社 電子方位計の補正機構、これを備えた電子方位計及び電子方位計付電子時計
KR100533106B1 (ko) * 2002-08-06 2005-12-05 삼성전자주식회사 지자계 센서의 자세 오차 보상장치 및 방법
US7154817B2 (en) 2002-12-18 2006-12-26 Asulab S.A. Electronic apparatus including an analogue display device for displaying any position on a dial
JP2004279363A (ja) * 2003-03-19 2004-10-07 Casio Comput Co Ltd 方位センサ付電子機器及びプログラム
US6992481B2 (en) * 2003-05-29 2006-01-31 Timex Group B. V. Method for compensating for predictable generated signals in an electronic device
DE602005022402D1 (de) 2005-03-09 2010-09-02 Eta Sa Mft Horlogere Suisse Elektronische Uhr mit Kompassfunktion
US7637024B2 (en) * 2005-10-26 2009-12-29 Honeywell International Inc. Magnetic field sensing device for compassing and switching
US7448140B2 (en) * 2006-05-18 2008-11-11 Nash Steven D Emergency responder's orientation method and device
ATE507511T1 (de) * 2006-12-22 2011-05-15 Eta Sa Mft Horlogere Suisse Elektronische uhr mit anzeige der richtung eines vorprogrammierten geografischen orts
EP2207011B1 (en) * 2009-01-12 2011-11-09 Samsung Electronics Co., Ltd. Method for providing digital compass function and portable terminal adapted thereto
EP2687921A1 (fr) * 2012-07-18 2014-01-22 ETA SA Manufacture Horlogère Suisse Procédé de gestion amélioré d'un appareil électronique
USD731455S1 (en) * 2013-07-26 2015-06-09 Lg Electronics Inc. Mobile phone
DE102014103267B4 (de) * 2014-03-12 2023-10-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kraftfahrzeugkombiinstrument, Verfahren zum Betreiben eines Kraftfahrzeugkombiinstruments und Kraftfahrzeug
JP6759631B2 (ja) * 2016-03-07 2020-09-23 セイコーエプソン株式会社 電子時計
JP6631357B2 (ja) * 2016-03-28 2020-01-15 セイコーエプソン株式会社 電子時計
CN106774292B (zh) * 2016-12-30 2023-11-24 歌尔科技有限公司 一种控制无人机的手表和一种控制无人机的方法
JP6838453B2 (ja) * 2017-03-23 2021-03-03 セイコーエプソン株式会社 電子時計
JP6886902B2 (ja) * 2017-09-08 2021-06-16 シチズン時計株式会社 電子時計のムーブメント及び電子時計
JP7263814B2 (ja) * 2019-02-12 2023-04-25 セイコーエプソン株式会社 電子時計
CN111061991B (zh) * 2019-11-18 2023-08-25 飞亚达（集团）股份有限公司 一种快速确定城市的朝拜方向的方法和装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE469489A (es) *
US3545199A (en) * 1969-05-16 1970-12-08 William Rice Jr Combined timepiece and compass
US4183206A (en) * 1976-09-16 1980-01-15 Ferdinand Alexander Porsche Portable watch, especially wristwatch
CH617057B (fr) * 1977-09-27 Berney Sa Jean Claude Piece d'horlogerie electronique.
FR2438861A1 (fr) * 1978-10-11 1980-05-09 Lavet Marius Perfectionnements apportes aux montres-bracelets electroniques
WO1985001805A1 (en) * 1983-10-11 1985-04-25 Nassar Ahmed Ismail Automated muslim timepiece
GB2151790A (en) * 1983-12-20 1985-07-24 Timelock Limited Hall effect transmitting compass
CH661174GA3 (es) * 1985-07-10 1987-07-15
US4668100A (en) * 1985-09-03 1987-05-26 Citizen Watch Co., Ltd. Electronic equipment with geomagnetic direction sensor
FR2636134B1 (fr) * 1988-09-02 1995-03-10 Thomson Csf Systeme de navigation terrestre visualisant en temps reel la position d'un vehicule
CH678359A5 (en) * 1989-07-12 1991-08-30 Detra Sa Earth's magnetic field measurement device - uses excitation and monitoring coils with rotating magnetic arm for accurate direction finder
US5216816A (en) 1990-03-20 1993-06-08 Casio Computer Co., Ltd. Compass
CH682969B5 (fr) 1992-05-14 1994-06-30 Ebauchesfabrik Eta Ag Pièce d'horlogerie apte à recevoir des messages radiodiffuses.

Also Published As

Publication number Publication date
DE69510891D1 (de) 1999-08-26
US5596551A (en) 1997-01-21
EP0713162B1 (fr) 1999-07-21
CN1133978A (zh) 1996-10-23
CN1077987C (zh) 2002-01-16
JP3828187B2 (ja) 2006-10-04
JPH08220256A (ja) 1996-08-30
EP0713162A1 (fr) 1996-05-22
TW290662B (es) 1996-11-11
CH687288GA3 (fr) 1996-11-15
DE69510891T2 (de) 2000-02-03
CH687288B5 (fr) 1997-05-15

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Legal Events

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PF Patent in force
PE Patent expired

Effective date: 20151114