ITMI20030514A1 - Metodo e dispositivo per determinare la frequenza di - Google Patents
Metodo e dispositivo per determinare la frequenza diInfo
- Publication number
- ITMI20030514A1 ITMI20030514A1 IT000514A ITMI20030514A ITMI20030514A1 IT MI20030514 A1 ITMI20030514 A1 IT MI20030514A1 IT 000514 A IT000514 A IT 000514A IT MI20030514 A ITMI20030514 A IT MI20030514A IT MI20030514 A1 ITMI20030514 A1 IT MI20030514A1
- Authority
- IT
- Italy
- Prior art keywords
- frequency
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0256—Adsorption, desorption, surface mass change, e.g. on biosensors
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000514A ITMI20030514A1 (it) | 2003-03-18 | 2003-03-18 | Metodo e dispositivo per determinare la frequenza di |
EP04720935A EP1608958A1 (en) | 2003-03-18 | 2004-03-16 | Method and device for determining the resonant frequency of a resonant piezoelectric sensor |
CN200480011022.2A CN1813186A (zh) | 2003-03-18 | 2004-03-16 | 确定谐振压电传感器谐振频率的方法和设备 |
JP2006506344A JP2006520899A (ja) | 2003-03-18 | 2004-03-16 | 共振圧電センサの共振周波数を決定する方法および装置 |
US10/549,327 US20060232281A1 (en) | 2003-03-18 | 2004-03-16 | Method and device for determining the resonant frequency of resonant piezoelectric sensors |
PCT/IB2004/000748 WO2004083839A1 (en) | 2003-03-18 | 2004-03-16 | Method and device for determining the resonant frequency of resonant piezoelectric sensors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000514A ITMI20030514A1 (it) | 2003-03-18 | 2003-03-18 | Metodo e dispositivo per determinare la frequenza di |
Publications (1)
Publication Number | Publication Date |
---|---|
ITMI20030514A1 true ITMI20030514A1 (it) | 2004-09-19 |
Family
ID=33017969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT000514A ITMI20030514A1 (it) | 2003-03-18 | 2003-03-18 | Metodo e dispositivo per determinare la frequenza di |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060232281A1 (it) |
EP (1) | EP1608958A1 (it) |
JP (1) | JP2006520899A (it) |
CN (1) | CN1813186A (it) |
IT (1) | ITMI20030514A1 (it) |
WO (1) | WO2004083839A1 (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010149811A1 (es) | 2009-06-23 | 2010-12-29 | Universidad Politécnica De Valencia | Método y dispositivo de nanogravimetría en medios fluidos basado en resonadores piezoeléctricos |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4952356B2 (ja) * | 2007-04-23 | 2012-06-13 | セイコーエプソン株式会社 | 液体検出装置、液体噴射装置および液体検出方法 |
FI121898B (fi) | 2008-07-01 | 2011-05-31 | Valtion Teknillinen | Menetelmä ja laite impedanssin mittaamiseksi |
US7870791B2 (en) * | 2008-12-03 | 2011-01-18 | Rosemount Inc. | Method and apparatus for pressure measurement using quartz crystal |
US8327713B2 (en) * | 2008-12-03 | 2012-12-11 | Rosemount Inc. | Method and apparatus for pressure measurement using magnetic property |
US7954383B2 (en) * | 2008-12-03 | 2011-06-07 | Rosemount Inc. | Method and apparatus for pressure measurement using fill tube |
US8132464B2 (en) | 2010-07-12 | 2012-03-13 | Rosemount Inc. | Differential pressure transmitter with complimentary dual absolute pressure sensors |
CN102508034B (zh) * | 2011-10-25 | 2014-08-06 | 上海交通大学 | 微固体模态陀螺等效电路的参数测量方法及装置 |
CN102538949B (zh) * | 2011-12-13 | 2013-08-21 | 江苏大学 | 一种基于石墨烯片层的纳机电谐振式传感器及其制作方法 |
KR102038169B1 (ko) | 2012-03-19 | 2019-10-29 | 케미라 오와이제이 | 크레이핑 접착 필름의 특성의 측정 방법 및 크레이핑 접착 필름의 변경 방법 |
ES2905838T3 (es) | 2012-05-24 | 2022-04-12 | Air Prod & Chem | Método y aparato para medir el caudal másico de un gas |
US8752433B2 (en) | 2012-06-19 | 2014-06-17 | Rosemount Inc. | Differential pressure transmitter with pressure sensor |
DK3194962T3 (da) * | 2014-09-15 | 2019-07-01 | Qorvo Us Inc | Massedetektering via redoxkobling |
CN105300827A (zh) * | 2015-11-02 | 2016-02-03 | 北京至感传感器技术研究院有限公司 | 液体油的酸值的在线检测装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4358742A (en) * | 1980-03-07 | 1982-11-09 | The Singer Company | Transimpedance oscillator having high gain amplifier |
US4788466A (en) * | 1987-11-09 | 1988-11-29 | University Of Arkansas | Piezoelectric sensor Q-loss compensation |
AT393416B (de) * | 1989-04-27 | 1991-10-25 | Avl Verbrennungskraft Messtech | Messverfahren zur bestimmung bzw. ueberwachung von mechanischen und/oder physikalischen groessen |
GB9226522D0 (en) * | 1992-12-19 | 1993-02-10 | Harvey Geoffrey P | Power saving electronic logic circuit |
US5568095A (en) * | 1994-11-21 | 1996-10-22 | United Technologies Automotive, Inc. | Balanced oscillator and transmitter arrangement |
US6225873B1 (en) * | 1995-12-01 | 2001-05-01 | Lear Automotive Dearborn, Inc. | Frequency shift key modulating oscillator |
US5969462A (en) * | 1998-06-18 | 1999-10-19 | Cts Corporation | Extensional mode piezoelectric crystal resonator with split electrodes and transformer driving circuit |
-
2003
- 2003-03-18 IT IT000514A patent/ITMI20030514A1/it unknown
-
2004
- 2004-03-16 CN CN200480011022.2A patent/CN1813186A/zh active Pending
- 2004-03-16 JP JP2006506344A patent/JP2006520899A/ja active Pending
- 2004-03-16 EP EP04720935A patent/EP1608958A1/en not_active Withdrawn
- 2004-03-16 US US10/549,327 patent/US20060232281A1/en not_active Abandoned
- 2004-03-16 WO PCT/IB2004/000748 patent/WO2004083839A1/en active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010149811A1 (es) | 2009-06-23 | 2010-12-29 | Universidad Politécnica De Valencia | Método y dispositivo de nanogravimetría en medios fluidos basado en resonadores piezoeléctricos |
Also Published As
Publication number | Publication date |
---|---|
EP1608958A1 (en) | 2005-12-28 |
US20060232281A1 (en) | 2006-10-19 |
CN1813186A (zh) | 2006-08-02 |
JP2006520899A (ja) | 2006-09-14 |
WO2004083839A1 (en) | 2004-09-30 |
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