EP 2141555 B1 20110406 - Coupled resonators for timepiece
Title (en)
Coupled resonators for timepiece
Title (de)
Gekoppelte Resonatoren für Uhr
Title (fr)
Résonateurs couplés pour pièce d'horlogerie
Publication
Application
Priority
EP 08159759 A 20080704
Abstract (en)
[origin: EP2141555A1] The resonator (1) has a low frequency resonator (2) coupled with a high frequency resonator (3). The low and high frequency resonators have inertia masses associated with balance springs (5, 7), respectively. Another balance spring (8) is arranged between the inertia masses to couple the low frequency and high frequency resonators. The inertia masses are respectively formed by balances (4, 6). The resonators are placed coaxially inside a timepiece.
IPC 8 full level
G04B 17/06 (2006.01); G04B 17/20 (2006.01)
CPC (source: EP KR US)
G04B 17/04 (2013.01 - KR); G04B 17/06 (2013.01 - EP KR US); G04B 17/20 (2013.01 - EP KR US); G04C 5/005 (2013.01 - KR)
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
EP 2141555 A1 20100106; EP 2141555 B1 20110406; CN 101620406 A 20100106; CN 101620406 B 20120418; DE 602008006057 D1 20110519; HK 1140552 A1 20101015; JP 2010014717 A 20100121; JP 5302120 B2 20131002; KR 20100004896 A 20100113; TW 201017350 A 20100501; US 2010002548 A1 20100107; US 7950846 B2 20110531
DOCDB simple family (application)
EP 08159759 A 20080704; CN 200910158412 A 20090706; DE 602008006057 T 20080704; HK 10106464 A 20100702; JP 2009159544 A 20090706; KR 20090060996 A 20090706; TW 98121379 A 20090625; US 49713609 A 20090702