Global Patent Index - EP 2894521 A1

EP 2894521 A1 20150715 - Isotropic harmonic oscillator and associated time base without escapement or simplified escapement

Title (en)

Isotropic harmonic oscillator and associated time base without escapement or simplified escapement

Title (de)

Isotroper harmonischer Oszillator und zugehörige Zeitbasis ohne Hemmung oder vereinfachte Hemmung

Title (fr)

Oscillateur harmonique isotrope et base temporelle associée sans échappement ou échappement simplifié

Publication

EP 2894521 A1 20150715 (EN)

Application

EP 14173947 A 20140625

Priority

  • EP 14150939 A 20140113
  • EP 14173947 A 20140625
  • EP 14183385 A 20140903
  • EP 14183624 A 20140904
  • EP 14195719 A 20141201

Abstract (en)

The mechanical isotropic harmonic oscillator comprises at least a two degrees of freedom linkage supporting an orbiting mass with respect to a fixed base with springs having isotropic and linear restoring force properties. The oscillator may be used in a timekeeper, such as a watch.

IPC 8 full level

G04B 17/04 (2006.01)

CPC (source: EP US)

G04B 15/14 (2013.01 - US); G04B 17/04 (2013.01 - US); G04B 17/045 (2013.01 - EP US); G04B 21/08 (2013.01 - US); G04B 23/005 (2013.01 - US)

Citation (applicant)

  • JOSEPH BERTRAND: "Theoreme relatif au mouvement dun point attire vers un centre fixe", C. R. ACAD. SCI., vol. 77, pages 849 - 853
  • JEAN-JACQUES BORN; RUDOLF DINGER; PIERRE-ANDRÉ FARINE: "Un mouvement mecanique a remontage automatique ayant /a précision d'un mouvement a quartz, Societe Suisse de Chronometrie", ACTES DE LA JOURNEE D'ETUDE 1997
  • H. BOUASSE, PENDULE SPIRAL DIAPASON, 1920
  • ANTOINE BREGUET: "Régulateur isochrone de M. Yvon Villarceau", LA NATURE, pages 187 - 190
  • LOUIS-CLÉMENT BREGUET, BREVET D'LNVENTION 73414
  • GEORGE DANIELS, WATCHMAKING, 2011
  • LEOPOLD DEFOSSEZ: "Les savants du XVIieme siecle et /a mesure du temps", 1946
  • LEOPOLD DEFOSSEZ, THEORIE GENERALE DE L'HORLOGERIE, 1950
  • RUPERT T. GOULD: "The Marine Chronometer", THE ANTIQUE COLLECTOR'S CLUB, 2013
  • R.J. GRIFFITHS: "William Bond astronomical regulator No. 395", ANTIQUARIAN HOROLOGY, vol. 17, 1987, pages 137 - 144
  • JULES HAAG: "Sur le pendule conique", COMPTES RENDUS DE L'ACADÉMIE DES SCIENCES, 1947, pages 1234 - 1236
  • JULES HAAG: "Les mouvements vibratoires", 1955, PRESSES UNIVERSITAIRES DE FRANCE
  • K. JOSIC; R.W. HALL: "Planetary Motion and the Duality of Force Laws", SIAM REVIEW, vol. 42, 2000, pages 114 - 125
  • SIMON HENEIN: "Conception des guidages flexibles", 2004, PRESSES POLYTECHNIQUES ET UNIVERSITAIRES ROMANDES
  • CHRISTIAAN HUYGENS; IAN BRUCE: "Horologium Oscillatorium", LATIN WITH ENGLISH TRANSLATION, Retrieved from the Internet <URL:www.17centurymaths.com/contents/huygenscontents.html>
  • DEREK F. LAWDEN: "Bulletin of the Royal Society", vol. 100, 2010, SPRINGER-VERLAG, article "Elliptic Functions and Applications,", pages: 270 - 83
  • ISAAC NEWTON, THE MATHEMATICAL PRINCIPLES OF NATURAL PHILOSOPHY, vol. 1, 10 January 2014 (2014-01-10)
  • NIAUDET-BREGUET: "Application du diapason 'a I'horlogerie", COMPTES RENDUS DE L'ACADÉMIE DES SCIENCES, vol. 63, pages 991 - 992
  • DEREK ROBERTS: "Precision Pendulum Clocks", 2003, SCHIFFER PUBLISHING LTD.
  • SEIKO SPRING DRIVE OFFICIAL WEBSITE, 10 January 2014 (2014-01-10), Retrieved from the Internet <URL:www.seikospringdrive.com>
  • WILLIAM THOMSON: "On a new astronomical clock, and a pendulum governor for uniform motion", PROCEEDINGS OF THE ROYAL SOCIETY, vol. 17, no. 1869, pages 468 - 470
  • YVON VILLARCEAU: "Sur les régulateurs isochrones, dérivés du système de Watt", COMPTES RENDUS DE ''ACADÉMIE DES SCIENCES, vol. 1872, pages 1437 - 1445
  • PHILIP WOODWARD: "My Own Right Time", 1995, OXFORD UNIVERSITY PRESS
  • AWTAR, S.: "Synthesis and analysis of parallel kinematic XY flexure mechanisms", PH.D. THESIS, 2006
  • M. DINESH; G. K. ANANTHASURESH: "Micro-mechanical stages with enhanced range", INTERNA TIONAL JOURNAL OF ADVANCES IN ENGINEERING SCIENCES AND APPLIED MATHEMATICS, 2010
  • L. L. HOWELL: "Compliant Mechanisms", 2001, WILEY
  • YANGMIN LI; QINGSONG XU: "Design of a New Decoupled XY Flexure Parallel Kinematic Manipulator with Actuator Isolation", IEEE, 2008
  • YANGMIN LI; JIMING HUANG; HUI TANG: "A Compliant Parallel XY Micromotion Stage With Complete Kinematic Decoupling", IEEE, 2012

Citation (search report)

Designated contracting state (EPC)

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2894521 A1 20150715

DOCDB simple family (application)

EP 14173947 A 20140625