Title:
BULK RESONATOR
Document Type and Number:
WIPO Patent Application WO2003028211
Kind Code:
A3
Abstract:
A resonator having temperature and electronic compensation. The resonator has several layers on a substrate having opposite thermal coefficients of the sound velocity for temperature compensation. Also, the frequency of the resonator is adjusted in accordance with an external time reference. The resonator has a high quality factor and a very small size.
Inventors:
PECZALSKI ANDRZEJ
Application Number:
PCT/US2002/027681
Publication Date:
December 04, 2003
Filing Date:
August 29, 2002
Export Citation:
Assignee:
HONEYWELL INT INC (US)
International Classes:
H03H3/04; (IPC1-7): H03H3/04
Foreign References:
US5587620A | 1996-12-24 | |||
US4719383A | 1988-01-12 | |||
US5856765A | 1999-01-05 | |||
US6131256A | 2000-10-17 | |||
GB1378578A | 1974-12-27 | |||
US5004987A | 1991-04-02 | |||
US4573027A | 1986-02-25 |
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