CN100419387C - 一种流量计 - Google Patents

一种流量计 Download PDF

Info

Publication number
CN100419387C
CN100419387C CNB2005800096836A CN200580009683A CN100419387C CN 100419387 C CN100419387 C CN 100419387C CN B2005800096836 A CNB2005800096836 A CN B2005800096836A CN 200580009683 A CN200580009683 A CN 200580009683A CN 100419387 C CN100419387 C CN 100419387C
Authority
CN
China
Prior art keywords
power
load
voltage
flowmeter
loop
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
Application number
CNB2005800096836A
Other languages
English (en)
Chinese (zh)
Other versions
CN1938568A (zh
Inventor
A·J·科沃尔
B·E·麦唐纳
X·-S·S·李
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panametrics LLC
Original Assignee
Panametrics LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panametrics LLC filed Critical Panametrics LLC
Publication of CN1938568A publication Critical patent/CN1938568A/zh
Application granted granted Critical
Publication of CN100419387C publication Critical patent/CN100419387C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06Indicating or recording devices

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
CNB2005800096836A 2004-03-26 2005-02-23 一种流量计 Expired - Fee Related CN100419387C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/810,882 US7058521B2 (en) 2004-03-26 2004-03-26 Low power ultrasonic flow meter
US10/810,882 2004-03-26

Publications (2)

Publication Number Publication Date
CN1938568A CN1938568A (zh) 2007-03-28
CN100419387C true CN100419387C (zh) 2008-09-17

Family

ID=34960993

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005800096836A Expired - Fee Related CN100419387C (zh) 2004-03-26 2005-02-23 一种流量计

Country Status (5)

Country Link
US (1) US7058521B2 (enExample)
EP (1) EP1733194A1 (enExample)
JP (1) JP4688865B2 (enExample)
CN (1) CN100419387C (enExample)
WO (1) WO2005103631A1 (enExample)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10254054A1 (de) * 2002-11-19 2004-06-03 Endress + Hauser Flowtec Ag, Reinach Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- und/oder des Massendurchflusses eines Mediums
US8538560B2 (en) 2004-04-29 2013-09-17 Rosemount Inc. Wireless power and communication unit for process field devices
JP4792851B2 (ja) * 2004-11-01 2011-10-12 横河電機株式会社 フィールド機器
DE102006009827B4 (de) * 2006-03-01 2013-08-08 KROHNE Meßtechnik GmbH & Co. KG Nichteigensicher gespeistes Meßgerät
KR101111903B1 (ko) * 2007-02-20 2012-02-14 삼성전자주식회사 정착유니트 및 이를 채용한 화상형성장치
CA2726707C (en) 2008-06-17 2016-01-19 Rosemount Inc. Rf adapter for field device with low voltage intrinsic safety clamping
US8694060B2 (en) 2008-06-17 2014-04-08 Rosemount Inc. Form factor and electromagnetic interference protection for process device wireless adapters
US8929948B2 (en) 2008-06-17 2015-01-06 Rosemount Inc. Wireless communication adapter for field devices
JP5255698B2 (ja) 2008-06-17 2013-08-07 ローズマウント インコーポレイテッド 電圧降下が可変のフィールド機器用無線アダプタ
US8390150B2 (en) * 2008-07-15 2013-03-05 Fisher-Rosemount Systems, Inc. Field device interface with network protection mechanism
US8595519B2 (en) * 2008-07-31 2013-11-26 Micro Motion, Inc. Bus instrument and method for predictively limited power consumption in a two-wire instrumentation bus
CN107035335A (zh) * 2008-12-05 2017-08-11 卡梅伦国际有限公司 海底化学剂注入计量阀
US20100318007A1 (en) * 2009-06-10 2010-12-16 O'brien Donald J Electromechanical tactile stimulation devices and methods
US8626087B2 (en) 2009-06-16 2014-01-07 Rosemount Inc. Wire harness for field devices used in a hazardous locations
US9674976B2 (en) 2009-06-16 2017-06-06 Rosemount Inc. Wireless process communication adapter with improved encapsulation
US10761524B2 (en) 2010-08-12 2020-09-01 Rosemount Inc. Wireless adapter with process diagnostics
US9310794B2 (en) 2011-10-27 2016-04-12 Rosemount Inc. Power supply for industrial process field device
US20140195172A1 (en) * 2013-01-04 2014-07-10 Luraco Technologies, Inc. Static Fluid Sensor in Communication with a Multi-Sensing Device and Method of Operating
US11397492B2 (en) 2015-06-22 2022-07-26 Sigmasense, Llc. Enhanced mutual capacitance touch screen display with shape detection and methods for use therewith
US10664098B2 (en) 2015-06-22 2020-05-26 Sigmasense, Llc. Channel driver circuit
US11907484B2 (en) 2015-06-22 2024-02-20 Sigmasense, Llc. Function and orientation identification for input/output (I/O) operative touch sensor device (TSD)
JP6551915B2 (ja) 2015-07-06 2019-07-31 シグマセンス,エルエルシー 内圧、傾き及び回転についてのペンシステム
US12207703B2 (en) 2016-08-18 2025-01-28 Sigmasense, Llc. Shoe to shoe communication within a foot force detection system
US12446798B2 (en) 2016-08-18 2025-10-21 Sigmasense, Llc. Personal monitoring system for monitoring body conditions using e-field communications
US12226674B2 (en) 2016-08-18 2025-02-18 Sigmasense, Llc. Power harvesting in a foot force detection system
US12121773B2 (en) 2016-08-18 2024-10-22 Sigmasense, Llc. Personal athlete monitoring system
US12194344B2 (en) 2016-08-18 2025-01-14 Sigmasense, Llc. Plurality of layers of pressure sensors within a foot force detection system
US12225979B2 (en) 2016-08-18 2025-02-18 Sigmasense, Llc. Variable sampling rate within a foot force detection system
US12181352B2 (en) 2021-06-03 2024-12-31 Sigmasense, Llc. Insole XYZ force detection system
US10704935B2 (en) * 2016-12-04 2020-07-07 Buoy Labs, Inc. Fluid flow detector with tethered drag block
US10838530B2 (en) 2017-09-15 2020-11-17 Sigmasense, Llc. Touchscreen display with concurrent touch and display operations
CN107966187A (zh) * 2017-11-22 2018-04-27 广州奥格智能科技有限公司 一种液位仪超低功耗处理电路及其节能检测方法
US11429226B2 (en) 2018-08-27 2022-08-30 Sigmasense, Llc. Analog-digital drive sense circuit
US11099032B2 (en) 2018-08-27 2021-08-24 Sigmasense, Llc. Drive sense circuit with drive-sense line
US11822358B2 (en) 2018-08-27 2023-11-21 Sigmasense, Llc. Drive-sense circuit to determine effects of different electrical characteristics on load
US10895867B2 (en) 2018-08-27 2021-01-19 Sigmasense, Llc. Analog world interfacing for automated systems
US11644860B2 (en) 2018-08-27 2023-05-09 Sigmasense, Llc. Configuring a programmable drive sense unit
US10554215B1 (en) 2019-03-26 2020-02-04 Sigmasense, Llc. Analog to digital conversion circuit with very narrow bandpass digital filtering
US11914812B2 (en) 2018-08-27 2024-02-27 Sigmasense, Llc. Current reference operative drive-sense circuit (DSC)
US11003205B2 (en) 2019-02-04 2021-05-11 Sigmasense, Llc. Receive analog to digital circuit of a low voltage drive circuit data communication system
US11550426B2 (en) 2018-08-27 2023-01-10 Sigmasense, Llc. Sensor monitoring system
US12007421B2 (en) 2018-08-27 2024-06-11 Sigmasense, Llc. Load sensing circuit employing sink and sense configuration
US11635396B2 (en) 2018-08-27 2023-04-25 Sigmasense, Llc. Sensing device with drive sense circuit and particle sensor and methods for use therewith
US11899867B2 (en) 2018-09-14 2024-02-13 Sigmasense, Llc. Touch screen display with touchless gestures and methods for use therewith
US11875005B2 (en) 2018-09-14 2024-01-16 Sigmasense, Llc. Touch screen display with touchless indications and methods for use therewith
US10845985B2 (en) 2018-09-14 2020-11-24 Sigmasense, Llc. Identification in touch systems
US10908718B2 (en) 2018-09-14 2021-02-02 Sigmasense, Llc. Large touch screen display with integrated electrodes
US11372510B2 (en) * 2018-11-02 2022-06-28 Sigmasense, Llc. Multi-conductor touch system
US10852857B2 (en) 2018-11-19 2020-12-01 Sigmasense, Llc. Frequency diverse e-pen for touch sensor and e-pen systems
US10935585B2 (en) 2018-11-19 2021-03-02 Sigmasense, Llc. Drive sense circuit with transient suppression
US10996728B2 (en) 2019-01-04 2021-05-04 Sigmasense, Llc. Power supply signal conditioning system based on drive-sense circuit (DSC) processing
US10915483B2 (en) 2019-01-14 2021-02-09 Sigmasense, Llc. Low voltage drive circuit with variable oscillating characteristics and methods for use therewith
US10831690B2 (en) 2019-01-14 2020-11-10 Sigmasense, Llc. Channel allocation among low voltage drive circuits
US11061082B2 (en) 2019-03-18 2021-07-13 Sigmasense, Llc. Single line hall effect sensor drive and sense
US10671034B1 (en) 2019-03-18 2020-06-02 Sigmasense, Llc. Motor drive input adaptation with in-line drive-sense circuit
US12046214B2 (en) 2019-03-22 2024-07-23 Sigmasense, Llc. Display controller with row enable based on drive settle detection
US11029782B2 (en) 2019-05-03 2021-06-08 Sigmasense, Llc. Light emitting diode (LED) touch display circuit
US11056930B2 (en) 2019-05-31 2021-07-06 Sigmasense, Llc. Wireless power transfer and communications
US11131714B2 (en) 2019-05-31 2021-09-28 Sigmasense, Llc. Battery monitoring and characterization during charging
US10756578B1 (en) 2019-05-31 2020-08-25 Sigmasense, Llc. Wireless power transfer with in-line sensing and control
US11216133B2 (en) 2019-06-10 2022-01-04 Sigmasense, Llc. Device for use with a touch screen
US11126297B2 (en) 2019-06-10 2021-09-21 Sigmasense, Llc. Electronic pen with ring-back and other functionalities
US11555687B2 (en) 2019-08-08 2023-01-17 Sigmasense, Llc. Capacitive imaging glove
US10976837B2 (en) 2019-08-20 2021-04-13 Sigmasense, Llc. User input passive device for use with an interactive display device
US10908641B1 (en) 2019-10-09 2021-02-02 Sigmasense, Llc. Display generated data transmission from user device to touchscreen via user
US11221980B2 (en) 2019-10-31 2022-01-11 Sigmasense, Llc. Low voltage drive circuit operable to convey data via a bus
US10862492B1 (en) 2019-11-08 2020-12-08 Sigmasense, Llc. Current operative analog to digital converter (ADC)
US11190205B2 (en) 2019-11-08 2021-11-30 Sigmasense, Llc. Single-ended direct interface dual DAC feedback photo-diode sensor
US11133811B2 (en) 2019-11-08 2021-09-28 Sigmasense, Llc. High resolution analog to digital converter (ADC) with improved bandwidth
US11709189B2 (en) 2019-11-08 2023-07-25 Sigmasense, Llc. Two-element high accuracy impedance sensing circuit with increased signal to noise ratio (SNR)
US12352713B2 (en) 2019-12-30 2025-07-08 Sigmasense, Llc. Organic and/or inorganic material test system using differential drive-sense circuits
US11935397B2 (en) 2019-12-30 2024-03-19 Sigmasense, Llc. Organic and inorganic test system
US11216109B2 (en) 2020-01-07 2022-01-04 Sigmasense, Llc. Drive-sense control for extended sensor panels
US11221704B2 (en) 2020-02-05 2022-01-11 Sigmasense, Llc. Screen-to-screen communication via touch sense elements
US11079888B1 (en) 2020-02-18 2021-08-03 Sigmasense, Llc. Sensitivity region of interest processing (ROIP) for input/output (I/O) operative touch sensor device (TSD)
US11144160B1 (en) 2020-03-30 2021-10-12 Sigmasense, Llc. Three-dimensional data reduction method and system
US11182038B2 (en) 2020-04-08 2021-11-23 Sigmasense, Llc. Encoded data pattern touchscreen sensing system
US11340995B2 (en) 2020-05-21 2022-05-24 Sigmasense, Llc. Integrated circuit with programmable input/output module
US11504535B2 (en) 2020-06-03 2022-11-22 Sigmasense, Llc. Pacemaker operative to deliver impulses of pace signal and sense cardiac response via single conductor of pacemaker lead
US11439812B2 (en) 2020-06-03 2022-09-13 Sigmasense, Llc. Array operative to perform distributed/patterned sensing and/or stimulation across patient bodily section
US11304002B2 (en) 2020-08-12 2022-04-12 Sigmasense, Llc. Single transducer audio in/out device
US11374587B1 (en) 2021-02-25 2022-06-28 Sigmasense, Llc. Batteryless wireless sensor system
US11989378B2 (en) 2021-04-23 2024-05-21 Sigmasense, Llc. Passive pen with variable capacitor for pressure indication
US11575851B2 (en) 2021-05-28 2023-02-07 Sigmasense, Llc. Handheld communication device with drive-sense circuit based imaging array and methods for use therewith
US11575850B2 (en) 2021-05-28 2023-02-07 Sigmasense, Llc. Imaging device with drive-sense circuit(s) and methods for use therewith
US11977123B2 (en) 2021-06-01 2024-05-07 Sigmasense, Llc. Sensing voltage using micro-watt sensor
US12373070B2 (en) 2021-06-28 2025-07-29 Sigmasense, Llc. System for detecting and validating multiuser interaction with interface elements via signaling through users bodies
US11679678B2 (en) 2021-06-28 2023-06-20 Sigmasense, Llc. Vehicle system for detecting and visually conveying vehicle button interaction
US12360641B2 (en) 2021-06-28 2025-07-15 Sigmasense, Llc. System for detecting and validating multiuser interaction with interface elements via perimeter sensors
US11733818B2 (en) 2021-07-19 2023-08-22 Sigmasense, Llc. Identifying capacitively coupled devices
US11556298B1 (en) 2021-07-30 2023-01-17 Sigmasense, Llc Generation and communication of user notation data via an interactive display device
US11592874B1 (en) 2021-08-04 2023-02-28 Sigmasense, Llc. Touch sensing in a flexible/foldable touch screen display
US11797139B2 (en) 2021-09-21 2023-10-24 Sigmasense, Llc. Fingerprint scanning device incorporating drive-sense circuitry
US11435864B1 (en) 2021-09-28 2022-09-06 Sigmasense, Llc. Differential touch screen display
US11709563B2 (en) 2021-10-26 2023-07-25 Sigmasense, Llc. Touch-based device with interlaced electrode grids
US12292317B2 (en) 2022-02-28 2025-05-06 Mueller International, Llc Ultrasonic flow meter assembly
US12271550B2 (en) 2022-04-28 2025-04-08 Sigmasense, Llc. Multi-frequency character transmission and detection
US12360630B2 (en) 2022-06-03 2025-07-15 Sigmasense, Llc. Touch sensor device with differentiated priority sensing region
US11740752B1 (en) 2022-07-13 2023-08-29 Sigmasense, Llc. Device with signal generator
US12175039B2 (en) 2022-07-13 2024-12-24 Sigmasense, Llc. Touch icon offset based on touch data samples
US12050740B2 (en) 2022-11-29 2024-07-30 Sigmasense, Llc. Passive device with compressible pressure assembly for Z-direction capacitance detection
US12135852B1 (en) 2023-04-28 2024-11-05 Sigmasense, Llc. Spatial filtering a touch signal of a touch screen display

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070313A1 (en) * 1999-05-17 2000-11-23 Email Limited Gas meter with low power consumption mode
US20030014198A1 (en) * 2001-07-16 2003-01-16 Beat Kramer Sampling method for flowmeters
JP2004093371A (ja) * 2002-08-30 2004-03-25 Tokyo Gas Co Ltd ガスメータおよび制御回路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5149216B1 (enExample) * 1970-11-04 1976-12-25
DE2445337C2 (de) * 1974-09-23 1986-05-15 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Übertragung von elektrischen Meßwertsignalen
US4787252A (en) * 1987-09-30 1988-11-29 Panametrics, Inc. Differential correlation analyzer
WO2000026739A1 (en) * 1998-11-03 2000-05-11 Drexelbrook Controls, Inc. High efficiency power supply for a two-wire loop powered device
WO2000060317A1 (en) * 1999-04-01 2000-10-12 Panametrics, Inc. Clamp-on ultrasonic flow meter for low density fluids
DE19947698C2 (de) * 1999-10-04 2003-08-21 Krohne Messtechnik Kg Meßgerät
JP4886120B2 (ja) * 2001-05-16 2012-02-29 東京計器株式会社 超音波流速計
JP4202247B2 (ja) * 2001-06-19 2008-12-24 エンドレス ウント ハウザー フローテック アクチエンゲゼルシャフト 粘度を測定するための装置
US6930956B2 (en) * 2002-01-18 2005-08-16 Siemens Milltronics Process Instruments, Inc. Current loop control circuit for a time of flight ranging system
US7194363B2 (en) * 2003-12-22 2007-03-20 Endress + Hauser Flowtec Ag Ultrasonic flowmeter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070313A1 (en) * 1999-05-17 2000-11-23 Email Limited Gas meter with low power consumption mode
US20030014198A1 (en) * 2001-07-16 2003-01-16 Beat Kramer Sampling method for flowmeters
JP2004093371A (ja) * 2002-08-30 2004-03-25 Tokyo Gas Co Ltd ガスメータおよび制御回路

Also Published As

Publication number Publication date
JP4688865B2 (ja) 2011-05-25
CN1938568A (zh) 2007-03-28
WO2005103631A1 (en) 2005-11-03
EP1733194A1 (en) 2006-12-20
US20050235758A1 (en) 2005-10-27
JP2007530941A (ja) 2007-11-01
US7058521B2 (en) 2006-06-06

Similar Documents

Publication Publication Date Title
CN100419387C (zh) 一种流量计
US6680690B1 (en) Power efficiency circuit
US8525560B2 (en) Driver circuit for a measuring transducer as well as measuring system formed therewith
EP0687375B1 (en) Loop powered process control transmitter
RU2414739C2 (ru) Электронная часть полевого устройства, запитываемая внешним источником электроэнергии
US8477064B2 (en) Loop-powered field device
RU2703721C2 (ru) Полевое устройство, питаемое от токовой петли, с последовательно соединенными регулятором напряжения и источником тока
CN101485074B (zh) 由外部电源供电的现场设备电子装置
KR100945852B1 (ko) 2선 버스 장치
CN101231783A (zh) 现场总线接口
US20060273949A1 (en) Energy storage in a radar level gauge
KR101139624B1 (ko) 2-선식 기기 장치 버스에서 전력 소비를 예측하여 제한하기 위한 버스 기기 및 방법
CN101111989B (zh) 现场设备以及用于其的现场设备电子系统
JP2008301675A (ja) フィールド機器
JPH08284841A (ja) ポンプ装置
WO2004076986A1 (en) Power efficiency circuit
CN100559128C (zh) 带有电池的二线制变送器
JPH0626811Y2 (ja) 渦流量計
JP3206211B2 (ja) 流量計
JPS63186538A (ja) 系統安定化装置
KR20010002454A (ko) 액체 유동 제어 장치
JPS60237300A (ja) 流体遮断装置
PL215583B1 (pl) Sposób wytwarzania sygnału danych w przyrządzie magistrali dwuprzewodowej i przyrząd magistrali dwuprzewodowej
JP2016220414A (ja) 計測装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080917

Termination date: 20160223