Watch movement driven by a spring and regulated by an electronic circuit
Jean-Claude Berney
US Patent number: 3937001
Filing date: Nov 20, 1973
Issue date: Feb 10, 1976
http://www.google.com/patents/about?id=12gzAAAAEBAJ&dq=3937001++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Electric Timepiece
Aizawa, et al.
US Patent number: 3648453
Filing date: Jul 16, 1969
Issue date: Mar 1972
http://www.google.com/patents/about?id=uukxAAAAEBAJ+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Timepiece having a mechanical movement associated with an electronic regulator
Jean-Jacques Born et al
US Patent number: 7016265
Filing date: Sep 30, 2004
Issue date: Mar 21, 2006
Application number: 10/953,451
http://www.google.com/patents/about?id=2ON3AAAAEBAJ&dq=US7016265++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mouvement d'horlogerie mû par un ressort et régulé par un circuit électronique.
Clockwork driven by a spring and controlled by an electronic circuit.
Jean-Claude Berney
Ebauches S.A.
c/o ASUAG SA., Faubourg du Lac 6
2501 Biel/Bienne
https://www.swissreg.ch/srclient/faces/jsp/patent/sr300.jsp?language=de§ion=pat&id=CH597636 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Attachment to this post Electronically Controlled Mechanical Timepiece and Control Method Therefor
Shinkawa and Koike
US Patent Number: RE38110 E
Reissue Date: May 6, 2003
Reissue of US Patent 6,041,021
Original Issue Date: March 21, 2000
