FR2394208A1 - Circuit de reglage de polarisation et de sensibilite pour transducteur - Google Patents

Circuit de reglage de polarisation et de sensibilite pour transducteur

Info

Publication number
FR2394208A1
FR2394208A1 FR787816888A FR7816888A FR2394208A1 FR 2394208 A1 FR2394208 A1 FR 2394208A1 FR 787816888 A FR787816888 A FR 787816888A FR 7816888 A FR7816888 A FR 7816888A FR 2394208 A1 FR2394208 A1 FR 2394208A1
Authority
FR
France
Prior art keywords
transducer
adjustment circuit
sensitivity adjustment
current
polarization
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.)
Granted
Application number
FR787816888A
Other languages
English (en)
French (fr)
Other versions
FR2394208B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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.)
Sundstrand Data Control Inc
Original Assignee
Sundstrand Data Control Inc
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 Sundstrand Data Control Inc filed Critical Sundstrand Data Control Inc
Publication of FR2394208A1 publication Critical patent/FR2394208A1/fr
Application granted granted Critical
Publication of FR2394208B1 publication Critical patent/FR2394208B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/06—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for operation by a null method
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
FR787816888A 1977-06-07 1978-06-06 Circuit de reglage de polarisation et de sensibilite pour transducteur Granted FR2394208A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/804,419 US4125789A (en) 1977-06-07 1977-06-07 Biasing and scaling circuit for transducers

Publications (2)

Publication Number Publication Date
FR2394208A1 true FR2394208A1 (fr) 1979-01-05
FR2394208B1 FR2394208B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-07-30

Family

ID=25188932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787816888A Granted FR2394208A1 (fr) 1977-06-07 1978-06-06 Circuit de reglage de polarisation et de sensibilite pour transducteur

Country Status (9)

Country Link
US (1) US4125789A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS544159A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1093164A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2821938C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2394208A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1576668A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1105358B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE431702B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SU (1) SU854282A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0126867A3 (en) * 1983-04-02 1987-10-07 Robert Bosch Gmbh Device for zeroing signal sources, especially sensor arrangements

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105334A (en) * 1977-02-25 1978-09-13 Nippon Soken Nonnlinear calculating circuit
US4257064A (en) * 1980-02-19 1981-03-17 Hughes Aircraft Company Wideband linear video contrast control
EP0112380B1 (en) * 1982-06-16 1991-02-27 Rosemount Inc. Frequency to current converter circuit
US4598251A (en) * 1982-06-16 1986-07-01 Rosemount Inc. Frequency to current converter circuit
US4558239A (en) * 1983-08-17 1985-12-10 At&T Bell Laboratories High impedance amplifier for an IC chip
US4593213A (en) * 1984-05-25 1986-06-03 United Technologies Corporation Current-limited MOSFET switch
JPH0191179U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1987-12-09 1989-06-15
US5012140A (en) * 1990-03-19 1991-04-30 Tektronix, Inc. Logarithmic amplifier with gain control
JP2867756B2 (ja) * 1991-08-30 1999-03-10 日本電気株式会社 消費電力制御装置
FI99171C (fi) * 1991-09-12 1997-10-10 Nokia Mobile Phones Ltd Kytkentä RSSI-signaalin lähtöjännitteen skaalaukseen
US5438288A (en) * 1993-05-28 1995-08-01 National Semiconductor Corporation High differential output impedance setter
US9950282B2 (en) * 2012-03-15 2018-04-24 Flodesign Sonics, Inc. Electronic configuration and control for acoustic standing wave generation
US9458450B2 (en) 2012-03-15 2016-10-04 Flodesign Sonics, Inc. Acoustophoretic separation technology using multi-dimensional standing waves
US10704021B2 (en) 2012-03-15 2020-07-07 Flodesign Sonics, Inc. Acoustic perfusion devices
JP6286925B2 (ja) * 2013-08-19 2018-03-07 ヤマハ株式会社 オーディオ信号処理装置
CN105939767B (zh) 2014-01-08 2018-04-06 弗洛设计声能学公司 具有双声电泳腔的声电泳装置
US11021699B2 (en) 2015-04-29 2021-06-01 FioDesign Sonics, Inc. Separation using angled acoustic waves
US11708572B2 (en) 2015-04-29 2023-07-25 Flodesign Sonics, Inc. Acoustic cell separation techniques and processes
US11377651B2 (en) 2016-10-19 2022-07-05 Flodesign Sonics, Inc. Cell therapy processes utilizing acoustophoresis
US11474085B2 (en) 2015-07-28 2022-10-18 Flodesign Sonics, Inc. Expanded bed affinity selection
US11459540B2 (en) 2015-07-28 2022-10-04 Flodesign Sonics, Inc. Expanded bed affinity selection
US11085035B2 (en) 2016-05-03 2021-08-10 Flodesign Sonics, Inc. Therapeutic cell washing, concentration, and separation utilizing acoustophoresis
US11214789B2 (en) 2016-05-03 2022-01-04 Flodesign Sonics, Inc. Concentration and washing of particles with acoustics
CN114900773A (zh) 2017-12-14 2022-08-12 弗洛设计声能学公司 声泳系统及其操作方法、控制声换能器及声学系统的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174635A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-03-01 1973-10-12 Auergesellschaft Gmbh
US3839648A (en) * 1972-02-28 1974-10-01 Tektronix Inc Programmable function generation
US3870906A (en) * 1973-06-21 1975-03-11 Us Navy Ramp/hold circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3504267A (en) * 1968-02-20 1970-03-31 Bendix Corp Voltage to frequency converter
US3839647A (en) * 1973-11-08 1974-10-01 Litton Systems Inc Transistor linearizer circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839648A (en) * 1972-02-28 1974-10-01 Tektronix Inc Programmable function generation
FR2174635A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-03-01 1973-10-12 Auergesellschaft Gmbh
US3870906A (en) * 1973-06-21 1975-03-11 Us Navy Ramp/hold circuit

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/72 *
EXBK/75 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0126867A3 (en) * 1983-04-02 1987-10-07 Robert Bosch Gmbh Device for zeroing signal sources, especially sensor arrangements

Also Published As

Publication number Publication date
SE7806489L (sv) 1978-12-08
US4125789A (en) 1978-11-14
DE2821938A1 (de) 1978-12-14
IT7849701A0 (it) 1978-06-05
DE2821938C3 (de) 1980-12-11
DE2821938B2 (de) 1980-03-27
GB1576668A (en) 1980-10-15
IT1105358B (it) 1985-10-28
FR2394208B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-07-30
JPS6144360B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-10-02
SU854282A3 (ru) 1981-08-07
SE431702B (sv) 1984-02-20
JPS544159A (en) 1979-01-12
CA1093164A (en) 1981-01-06

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Legal Events

Date Code Title Description
ST Notification of lapse