Matches 1 - 4 out of 4


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US20080273425 Pendulum Clock  
A pendulum clock comprising a pendulum clockwork with acoustic signaling means contained in a housing wherein the housing comprises vertical surface elements made of metal, optionally comprising...
US20090073814 Low-Displacement Pendulum  
A gravity pendulum, referred to as a low-displacement pendulum because it does not displace air as it rotates, is disclosed. The low-displacement pendulum uses an unbalanced wheel instead of the...
US20100128574 ENHANCED COMPOUND PENDULUMS AND SYSTEMS  
Enhanced compound pendulums provide thermal compensation and/or barometric compensation, such as for a mechanical clock system. The enhanced compound pendulums are simple to construct, and can be...
US20160327909 General Two Degree of Freedom Isotropic Harmonic Oscillator and Associated Time Base  
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...
Matches 1 - 4 out of 4