DE69432501D1 - Flüssigkeitsstand-Tastsonde und Steuerschaltung - Google Patents
Flüssigkeitsstand-Tastsonde und SteuerschaltungInfo
- Publication number
- DE69432501D1 DE69432501D1 DE69432501T DE69432501T DE69432501D1 DE 69432501 D1 DE69432501 D1 DE 69432501D1 DE 69432501 T DE69432501 T DE 69432501T DE 69432501 T DE69432501 T DE 69432501T DE 69432501 D1 DE69432501 D1 DE 69432501D1
- Authority
- DE
- Germany
- Prior art keywords
- sampling probe
- control circuit
- liquid level
- amplitude
- respect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/266—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N2035/1025—Fluid level sensing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7287—Liquid level responsive or maintaining systems
- Y10T137/7306—Electrical characteristic sensing
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88656 | 1993-07-09 | ||
US08/088,656 US5493922A (en) | 1993-07-09 | 1993-07-09 | Liquid level sensing probe and control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69432501D1 true DE69432501D1 (de) | 2003-05-22 |
DE69432501T2 DE69432501T2 (de) | 2004-01-08 |
Family
ID=22212636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69432501T Expired - Fee Related DE69432501T2 (de) | 1993-07-09 | 1994-07-05 | Flüssigkeitsstand-Tastsonde und Steuerschaltung |
Country Status (13)
Country | Link |
---|---|
US (1) | US5493922A (de) |
EP (1) | EP0633456B1 (de) |
JP (1) | JP3662951B2 (de) |
KR (1) | KR100434818B1 (de) |
AT (1) | ATE237795T1 (de) |
AU (1) | AU678248B2 (de) |
CA (1) | CA2126823C (de) |
DE (1) | DE69432501T2 (de) |
DK (1) | DK0633456T3 (de) |
ES (1) | ES2196017T3 (de) |
FI (1) | FI943270A (de) |
PT (1) | PT633456E (de) |
ZA (1) | ZA944646B (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5879628A (en) * | 1996-05-06 | 1999-03-09 | Helena Laboratories Corporation | Blood coagulation system having a bar code reader and a detecting means for detecting the presence of reagents in the cuvette |
JP3158054B2 (ja) * | 1996-07-19 | 2001-04-23 | 株式会社日立製作所 | 液体採取装置 |
US5866426A (en) * | 1996-12-17 | 1999-02-02 | Akzo Nobel N.V. | Device and method for determining liquid-probe contact |
US6024249A (en) * | 1997-06-27 | 2000-02-15 | Taiwan Semiconductor Manufacturing Company | Fluid delivery system using an optical sensor to monitor for gas bubbles |
AR017411A1 (es) | 1997-11-19 | 2001-09-05 | Grifols Sa | Aparato para la realizacion automatica de pruebas de laboratorio |
ES2132034B1 (es) * | 1997-11-19 | 2000-03-01 | Grifols Grupo Sa | Dispositivo para la manipulacion y deteccion de nivel de liquidos. |
US5992447A (en) * | 1998-09-04 | 1999-11-30 | Miller; Russell | Device for filling vinyl lined pools |
EP0990908A1 (de) * | 1998-09-30 | 2000-04-05 | F. Hoffmann-La Roche Ag | Analysenautomat mit Mitteln zur Überwachung von Pipettiervorgängen |
CA2399181C (en) | 2000-02-29 | 2011-02-22 | Gen-Probe Incorporated | Fluid dispense and liquid surface verification system and method |
CA2342023C (en) * | 2000-04-10 | 2007-07-03 | Randox Laboratories Ltd. | Paramagnetic particle detection |
US20040084065A1 (en) * | 2002-11-04 | 2004-05-06 | Edelmann David Charles | Systems and methods for controlling warewasher wash cycle duration, detecting water levels and priming warewasher chemical feed lines |
US7222526B2 (en) * | 2004-06-17 | 2007-05-29 | Ortho-Clinical Diagnostics, Inc | Liquid measurements using capacitive monitoring |
JP4928460B2 (ja) * | 2004-11-09 | 2012-05-09 | パーキンエルマー・ヘルス・サイエンシズ・インコーポレーテッド | プローブの位置を決定するための方法およびシステム |
US7150190B2 (en) * | 2005-03-21 | 2006-12-19 | Dade Behring Inc. | Method and apparatus for capacitively determining the uppermost level of a liquid in a container |
US8296088B2 (en) | 2006-06-02 | 2012-10-23 | Luminex Corporation | Systems and methods for performing measurements of one or more materials |
KR100794125B1 (ko) * | 2006-07-27 | 2008-01-10 | 웅진코웨이주식회사 | 비접촉식 수위 제어 장치 |
US7814788B2 (en) | 2006-10-20 | 2010-10-19 | Abbott Laboratories, Inc. | Liquid level sensor |
EP1947463A1 (de) * | 2007-01-16 | 2008-07-23 | Roche Diagnostics GmbH | Entnahme von flüssigen Analyseproben zum Zweck der klinischen Analyse |
US7804599B2 (en) * | 2008-07-24 | 2010-09-28 | MGM Instruments, Inc. | Fluid volume verification system |
WO2010063026A1 (en) * | 2008-11-28 | 2010-06-03 | Ametek, Inc. | Apparatus for high precision measurement of varied surface and material levels |
CN101858770B (zh) * | 2009-04-09 | 2013-04-24 | 深圳迈瑞生物医疗电子股份有限公司 | 液面检测装置及加样系统 |
GB201015009D0 (en) | 2010-09-09 | 2010-10-20 | Randox Lab Ltd | Capacitive liquid level sensor |
ITMI20111313A1 (it) * | 2011-07-14 | 2013-01-15 | Carpigiani Group Ali Spa | Macchina per preparazione di gelato |
US9599501B2 (en) * | 2011-12-29 | 2017-03-21 | Abbott Laboratories | Devices and systems for liquid level detection in hematology instruments, and methods related thereto |
US9521941B2 (en) | 2012-08-21 | 2016-12-20 | Premark Feg L.L.C. | Warewash machine chemical sensor and related system and method |
JP6040733B2 (ja) * | 2012-11-27 | 2016-12-07 | 東ソー株式会社 | 検知機能を有した試料分注装置 |
WO2014123519A1 (en) * | 2013-02-06 | 2014-08-14 | Empire Technology Development Llc | Devices, systems, and methods for detecting odorants |
US10240966B2 (en) | 2013-07-12 | 2019-03-26 | Siemens Healthcare Diagnostics Inc. | Fluid level detection system and method |
US20160097670A1 (en) * | 2014-10-01 | 2016-04-07 | Honeywell International Inc. | Resolution mode switching for pulsed radar |
CN104697605A (zh) * | 2015-03-19 | 2015-06-10 | 北京中航赛维生物科技有限公司 | 一种液面智能感应电路及其装置 |
CH711157A2 (de) * | 2015-06-02 | 2016-12-15 | Tecan Trading Ag | Verfahren zur Detektion einer Schaumgrenze und entsprechend ausgestattete Vorrichtung. |
CN106289448A (zh) * | 2015-06-11 | 2017-01-04 | 北京勤邦生物技术有限公司 | 一种液位检测预警装置 |
WO2017223214A1 (en) * | 2016-06-22 | 2017-12-28 | Abbott Laboratories | Liquid level sensing apparatus and related methods |
JP7053492B2 (ja) * | 2016-12-27 | 2022-04-12 | 株式会社日立ハイテク | ノズル洗浄器およびこれを用いた自動分析装置 |
CN108107929B (zh) * | 2018-02-06 | 2023-11-10 | 欣灵电气股份有限公司 | 液位控制器 |
JP2022142208A (ja) * | 2021-03-16 | 2022-09-30 | キヤノンメディカルシステムズ株式会社 | 自動分析装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4173893A (en) * | 1976-10-12 | 1979-11-13 | Hedrick Geoffrey S | Fluid quantity indicator |
US4169543A (en) * | 1977-10-20 | 1979-10-02 | Keystone International, Inc. | Amplitude responsive detector |
US4380091A (en) * | 1978-11-13 | 1983-04-19 | Lively Olin A | Control circuitry for water level control of pools |
US4559507A (en) * | 1983-09-01 | 1985-12-17 | Simmonds Precision Products, Inc. | Controlled hybrid microcircuit oscillator |
US4736638A (en) * | 1985-12-20 | 1988-04-12 | Beckman Instruments, Inc. | Liquid level sensor |
US4912976A (en) * | 1987-06-26 | 1990-04-03 | Beckman Instruments, Inc. | Liquid level sensing apparatus |
JP2582795B2 (ja) * | 1987-08-10 | 1997-02-19 | 株式会社東芝 | 液面検知装置 |
US4943353A (en) * | 1988-03-10 | 1990-07-24 | Pure Water, Inc. | Control for modular water distiller |
US5005407A (en) * | 1988-10-11 | 1991-04-09 | Level Electronics, Inc. | Fluid level sensing system |
US5083470A (en) * | 1990-01-18 | 1992-01-28 | E. I. Du Pont De Nemours And Company | Capacitive liquid level sensor |
US5216926A (en) * | 1990-04-18 | 1993-06-08 | E. I. Du Pont De Nemours And Company | Closed and open tube sampling apparatus |
US5130254A (en) * | 1990-05-25 | 1992-07-14 | E. I. Du Pont De Nemours And Company | Method for pipetting liquid from a sealed container |
US5178019A (en) * | 1991-03-26 | 1993-01-12 | Akzo N.V. | Heated liquid sampling probe for an automated sampling apparatus |
CA2109943A1 (en) * | 1991-06-13 | 1992-12-23 | Herbert S. Chow | Automated specimen analyzing apparatus and method |
US5365783A (en) * | 1993-04-30 | 1994-11-22 | Packard Instrument Company, Inc. | Capacitive sensing system and technique |
-
1993
- 1993-07-09 US US08/088,656 patent/US5493922A/en not_active Expired - Fee Related
-
1994
- 1994-06-27 CA CA002126823A patent/CA2126823C/en not_active Expired - Fee Related
- 1994-06-28 ZA ZA944646A patent/ZA944646B/xx unknown
- 1994-07-05 DE DE69432501T patent/DE69432501T2/de not_active Expired - Fee Related
- 1994-07-05 ES ES94201933T patent/ES2196017T3/es not_active Expired - Lifetime
- 1994-07-05 PT PT94201933T patent/PT633456E/pt unknown
- 1994-07-05 AT AT94201933T patent/ATE237795T1/de not_active IP Right Cessation
- 1994-07-05 DK DK94201933T patent/DK0633456T3/da active
- 1994-07-05 EP EP94201933A patent/EP0633456B1/de not_active Expired - Lifetime
- 1994-07-08 JP JP15750094A patent/JP3662951B2/ja not_active Expired - Fee Related
- 1994-07-08 FI FI943270A patent/FI943270A/fi not_active Application Discontinuation
- 1994-07-08 AU AU67361/94A patent/AU678248B2/en not_active Ceased
- 1994-07-09 KR KR1019940016525A patent/KR100434818B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU6736194A (en) | 1995-01-19 |
EP0633456B1 (de) | 2003-04-16 |
KR960014912A (ko) | 1996-05-22 |
CA2126823C (en) | 2004-08-24 |
FI943270A (fi) | 1995-01-10 |
EP0633456A1 (de) | 1995-01-11 |
JP3662951B2 (ja) | 2005-06-22 |
ATE237795T1 (de) | 2003-05-15 |
ES2196017T3 (es) | 2003-12-16 |
KR100434818B1 (ko) | 2004-10-20 |
FI943270A0 (fi) | 1994-07-08 |
DK0633456T3 (da) | 2003-05-19 |
CA2126823A1 (en) | 1995-01-10 |
US5493922A (en) | 1996-02-27 |
DE69432501T2 (de) | 2004-01-08 |
ZA944646B (en) | 1995-02-13 |
PT633456E (pt) | 2003-09-30 |
JPH07146166A (ja) | 1995-06-06 |
AU678248B2 (en) | 1997-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |