Henein, SimonVardi, IlanRubbert, Lennart2019-11-042019-11-042019-11-042015https://infoscience.epfl.ch/handle/20.500.14299/162682The 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.Isotropic harmonic oscillator and associated time base without escapement or simplified escapementpatentEP3095011CN107250925JP6661543US10585398JP6559703US10365609CN106462105RU2686869RU2686446RU2016130167RU2016130168RU2016130168RU2016130167HK1231571HK1231572CN107250925CN106462105JP2017502318JP2017502317EP3095011EP3095010US2016327909US2016327910WO2015104692WO2015104693WO2015104693WO2015104692EP289452166646804