FR861808A
(fr)
*
|
1939-08-02 |
1941-02-18 |
Materiel Telephonique |
éléments piezo-électriques
|
US2875354A
(en)
*
|
1954-01-29 |
1959-02-24 |
Branson Instr |
Piezoelectric transducer
|
DE1108275B
(de)
*
|
1955-09-28 |
1961-06-08 |
Gen Electric |
Piezoelektrischer Verbundkoerper
|
US2978597A
(en)
*
|
1956-03-14 |
1961-04-04 |
Harris Transducer Corp |
Circuit element transducer
|
US2984111A
(en)
*
|
1959-06-19 |
1961-05-16 |
Bosch Arma Corp |
Accelerometer
|
US3093758A
(en)
*
|
1960-04-13 |
1963-06-11 |
Bell Telephone Labor Inc |
Piezoelectric devices utilizing cadmium sulfide
|
US3091707A
(en)
*
|
1960-04-07 |
1963-05-28 |
Bell Telephone Labor Inc |
Piezoelectric devices utilizing zinc oxide
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US3090876A
(en)
*
|
1960-04-13 |
1963-05-21 |
Bell Telephone Labor Inc |
Piezoelectric devices utilizing aluminum nitride
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US3234488A
(en)
*
|
1960-09-12 |
1966-02-08 |
Bell Telephone Labor Inc |
Light modulable circuit element
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DE1209336B
(de)
*
|
1960-12-01 |
1966-01-20 |
Bosch Arma Corp |
Als randfreie Kreisscheibe ausgebildeter Biegeschwingungswandler zur Erzeugung von Schallschwingungen
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US3408515A
(en)
*
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1964-10-08 |
1968-10-29 |
Bell Telephone Labor Inc |
Second overtone dt-cut quartz resonator
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FR2125759A5
(de)
*
|
1971-02-19 |
1972-09-29 |
Cepe |
|
FR2127184A5
(de)
*
|
1971-02-26 |
1972-10-13 |
Cepe |
|
US3721841A
(en)
*
|
1971-06-16 |
1973-03-20 |
Motorola Inc |
Contact for piezoelectric crystals
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US4344010A
(en)
*
|
1979-10-19 |
1982-08-10 |
The United States Of America As Represented By The Secretary Of The Army |
Acceleration resistant combination of opposite-handed piezoelectric crystals
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US4365182A
(en)
*
|
1980-10-14 |
1982-12-21 |
The United States Of America As Represented By The Secretary Of The Army |
Method of fabricating acceleration resistant crystal resonators and acceleration resistant crystal resonators so formed
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US4649525A
(en)
*
|
1981-12-08 |
1987-03-10 |
Mobil Oil Corporation |
Shear wave acoustic logging system
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US4410822A
(en)
*
|
1982-06-17 |
1983-10-18 |
The United States Of America As Represented By The Secretary Of The Army |
Acceleration-resistant crystal resonator
|
AT389170B
(de)
*
|
1987-11-19 |
1989-10-25 |
Avl Verbrennungskraft Messtech |
Piezoelektrisches messelement
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US5430342A
(en)
*
|
1993-04-27 |
1995-07-04 |
Watson Industries, Inc. |
Single bar type vibrating element angular rate sensor system
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EP1406062B1
(de)
*
|
1997-05-28 |
2012-05-30 |
Murata Manufacturing Co., Ltd. |
Vibrationskreisel
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JP2001036376A
(ja)
*
|
1999-07-23 |
2001-02-09 |
Murata Mfg Co Ltd |
圧電共振子及び圧電部品
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US7548012B2
(en)
*
|
2003-09-17 |
2009-06-16 |
Kistler Holding, Ag |
Multi-layer piezoelectric measuring element, and pressure sensor or force sensor comprising such a measuring element
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EP2890007A1
(de)
|
2008-11-07 |
2015-07-01 |
Greenray Industries, Inc. |
Kristalloszillator mit verminderter Beschleunigungsempfindlichkeit
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US8446078B2
(en)
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2009-03-26 |
2013-05-21 |
Sand 9, Inc. |
Mechanical resonating structures and methods
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US9299910B1
(en)
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2012-05-17 |
2016-03-29 |
Analog Devices, Inc. |
Resonator anchors and related apparatus and methods
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US9954513B1
(en)
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2012-12-21 |
2018-04-24 |
Analog Devices, Inc. |
Methods and apparatus for anchoring resonators
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US9634227B1
(en)
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2013-03-06 |
2017-04-25 |
Analog Devices, Inc. |
Suppression of spurious modes of vibration for resonators and related apparatus and methods
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