EA033712B1 - Экономичная схема приемопередатчика для расходомера - Google Patents

Экономичная схема приемопередатчика для расходомера Download PDF

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Publication number
EA033712B1
EA033712B1 EA201791854A EA201791854A EA033712B1 EA 033712 B1 EA033712 B1 EA 033712B1 EA 201791854 A EA201791854 A EA 201791854A EA 201791854 A EA201791854 A EA 201791854A EA 033712 B1 EA033712 B1 EA 033712B1
Authority
EA
Eurasian Patent Office
Prior art keywords
circuit
signals
transistors
transceiver circuit
active
Prior art date
Application number
EA201791854A
Other languages
English (en)
Russian (ru)
Other versions
EA201791854A1 (ru
Inventor
Lars Jespersen
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Publication of EA201791854A1 publication Critical patent/EA201791854A1/ru
Publication of EA033712B1 publication Critical patent/EA033712B1/ru

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Measuring Volume Flow (AREA)
EA201791854A 2015-03-11 2015-03-11 Экономичная схема приемопередатчика для расходомера EA033712B1 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/055038 WO2016141982A1 (en) 2015-03-11 2015-03-11 Low cost transceiver circuit for flow meter

Publications (2)

Publication Number Publication Date
EA201791854A1 EA201791854A1 (ru) 2018-02-28
EA033712B1 true EA033712B1 (ru) 2019-11-19

Family

ID=52649029

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201791854A EA033712B1 (ru) 2015-03-11 2015-03-11 Экономичная схема приемопередатчика для расходомера

Country Status (4)

Country Link
EP (1) EP3268700A1 (zh)
CN (1) CN107407584B (zh)
EA (1) EA033712B1 (zh)
WO (1) WO2016141982A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019005905A1 (de) * 2019-08-21 2021-02-25 Diehl Metering Gmbh Messeinrichtung zur Ermittlung einer Fluidgröße

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5421211A (en) * 1994-10-06 1995-06-06 Marsh - Mcbirney, Inc. Liquid flowmeter including doppler signal processing, and method
EP1426739A1 (de) * 2002-11-19 2004-06-09 Hydrometer GmbH Sende- und Empfangsschaltung für Ultraschall-Durchflussmesser
WO2013174412A1 (en) * 2012-05-21 2013-11-28 Epcos Ag Amplifier circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1586578A (zh) * 1967-11-01 1970-02-20
US6445605B1 (en) * 1997-07-11 2002-09-03 Micron Technology, Inc. Circuit for programming antifuse bits
DE102006041531B4 (de) * 2006-09-05 2008-10-02 Continental Automotive Gmbh Schaltungsanordnung zum bidirektionalen Betrieb von an den Enden einer Messstrecke angeordneten Schallwandlern
CN201463999U (zh) * 2009-07-23 2010-05-12 河南新天科技有限公司 一种湿式水表采样测试装置
EP2633275B1 (en) * 2010-10-27 2015-12-16 Kamstrup A/S Ultrasonic flow meter with zero impedance measuring electronics
CN203811215U (zh) * 2014-04-09 2014-09-03 浙江威星智能仪表股份有限公司 超声波燃气表动态峰值检测电路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5421211A (en) * 1994-10-06 1995-06-06 Marsh - Mcbirney, Inc. Liquid flowmeter including doppler signal processing, and method
EP1426739A1 (de) * 2002-11-19 2004-06-09 Hydrometer GmbH Sende- und Empfangsschaltung für Ultraschall-Durchflussmesser
WO2013174412A1 (en) * 2012-05-21 2013-11-28 Epcos Ag Amplifier circuit

Also Published As

Publication number Publication date
EP3268700A1 (en) 2018-01-17
WO2016141982A1 (en) 2016-09-15
CN107407584B (zh) 2019-10-25
EA201791854A1 (ru) 2018-02-28
CN107407584A (zh) 2017-11-28

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG TJ TM