CA997066A - Conditioning circuit and method for variable frequency sensor - Google Patents

Conditioning circuit and method for variable frequency sensor

Info

Publication number
CA997066A
CA997066A CA162,841A CA162841A CA997066A CA 997066 A CA997066 A CA 997066A CA 162841 A CA162841 A CA 162841A CA 997066 A CA997066 A CA 997066A
Authority
CA
Canada
Prior art keywords
variable frequency
conditioning circuit
frequency sensor
sensor
conditioning
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
Application number
CA162,841A
Other versions
CA162841S (en
Inventor
William H. Mccormack
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.)
Garrett Corp
Original Assignee
Garrett Corp
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 Garrett Corp filed Critical Garrett Corp
Application granted granted Critical
Publication of CA997066A publication Critical patent/CA997066A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/12Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor
    • G01L9/125Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor with temperature compensating means
CA162,841A 1972-04-21 1973-02-02 Conditioning circuit and method for variable frequency sensor Expired CA997066A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24647172A 1972-04-21 1972-04-21

Publications (1)

Publication Number Publication Date
CA997066A true CA997066A (en) 1976-09-14

Family

ID=22930818

Family Applications (1)

Application Number Title Priority Date Filing Date
CA162,841A Expired CA997066A (en) 1972-04-21 1973-02-02 Conditioning circuit and method for variable frequency sensor

Country Status (7)

Country Link
US (1) US3790910A (en)
JP (1) JPS4922172A (en)
CA (1) CA997066A (en)
DE (1) DE2318280C3 (en)
FR (1) FR2181296A5 (en)
GB (1) GB1429716A (en)
SE (1) SE396487B (en)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2405764C2 (en) * 1974-02-07 1982-05-27 Carl Schenck Ag, 6100 Darmstadt Digital measuring device for influencing unbalance measured values
US3944791A (en) * 1974-07-10 1976-03-16 General Science Corporation Platelet count correction circuit
US4078163A (en) * 1975-06-04 1978-03-07 Bell Jr Oliver A Programmable current control system for wire electrode electrical discharge machining apparatus
CH600683A5 (en) * 1975-07-02 1978-06-30 Hartig Gunter
US3974365A (en) * 1975-09-26 1976-08-10 Rockwell International Corporation Radio altimeter rate linearizer
CH615503A5 (en) * 1977-02-08 1980-01-31 Zumbach Electronic Ag
JPS5425381A (en) * 1977-07-27 1979-02-26 Matsushita Electric Ind Co Ltd Home-use electric appliance
US4192005A (en) * 1977-11-21 1980-03-04 Kulite Semiconductor Products, Inc. Compensated pressure transducer employing digital processing techniques
JPS5477148A (en) * 1977-11-30 1979-06-20 Sharp Corp Haemadynamometer of digital type
US4161782A (en) * 1977-12-23 1979-07-17 Otis Engineering Corporation Microprocessor computerized pressure/temperature/time down-hole recorder
USRE31222E (en) * 1977-12-23 1983-04-26 Otis Engineering Corporation Microprocessor computerized pressure/temperature/time .[.down-hole.]. recorder
US4202350A (en) * 1978-05-15 1980-05-13 Walton Charles A Device for measuring pulse, breathing and running rate for joggers
US4490713A (en) * 1978-11-17 1984-12-25 Burr-Brown Inc. Microprocessor supervised analog-to-digital converter
JPS5948571B2 (en) * 1979-01-29 1984-11-27 タケダ理研工業株式会社 analog digital converter
DE2904261C2 (en) * 1979-02-05 1989-01-12 Maatschappij van Berkel's, Patent N.V., Rotterdam Electronic scales, especially retail scales
US4367456A (en) * 1979-03-09 1983-01-04 Northern Telecom Limited PCM and PAM Conversion circuit including signal level variation on the PCM portion of the circuit
US4272760A (en) * 1979-04-10 1981-06-09 Burr-Brown Research Corporation Self-calibrating digital to analog conversion system and method
US4296407A (en) * 1979-05-14 1981-10-20 Matsushita Electric Industrial Co. Digital frequency synthesizer with frequency divider programmable in response to stored digital control signal
GB2058348B (en) * 1979-06-04 1983-09-07 Agar Instr Apparatus for use in the measurement of a variable
US4270177A (en) * 1979-06-20 1981-05-26 Tokyo Shibaura Denki Kabushiki Kaisha Digital amplitude control for digital audio signal
US4282578A (en) * 1980-03-17 1981-08-04 Burr-Brown Research Corporation System for linearizing non-linear transducer signals
US4431987A (en) * 1980-03-27 1984-02-14 The Bendix Corporation Analog-to-digital and digital-to-analog converters and methods of operation
US4333075A (en) * 1980-03-27 1982-06-01 The Bendix Corporation An analog-to-digital converter accurate relative to the value of the input signal
DE3012819A1 (en) * 1980-04-02 1981-10-08 Maatschappij van Berkel's, Patent N.V., Rotterdam SCALE, IN PARTICULAR SHOP SCALE
US4377851A (en) * 1980-12-22 1983-03-22 Ford Motor Company Method for calibrating a transducer for converting pressure variation to frequency variation
US4399515A (en) * 1981-03-31 1983-08-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Self-correcting electronically scanned pressure sensor
US4414638A (en) * 1981-04-30 1983-11-08 Dranetz Engineering Laboratories, Inc. Sampling network analyzer with stored correction of gain errors
DE3128095A1 (en) * 1981-07-16 1983-02-03 Hartmann & Braun Ag, 6000 Frankfurt >>Method for digital correction of the relationship between a digital input signal and a digital output signal and circuit arrangement to carry out this method<<
US4532809A (en) * 1981-10-05 1985-08-06 Allied Corporation Pressure measuring systems with increased accuracy for a constant resolution
US4514809A (en) * 1982-04-30 1985-04-30 Dresser Industries, Inc. Dynamic range control of electrode pad current in well logging tools
DE3217798A1 (en) * 1982-05-12 1983-11-24 Hans-Jörg Dipl.-Kfm. 4400 Münster Hübner METHOD AND MEASURING DEVICE FOR MEASURING AND PROCESSING SIZES OF THE AMBIENT ATMOSPHERES, ESPECIALLY UNDERGROUND
DE3242967A1 (en) * 1982-11-20 1984-05-24 Hans-Jörg Dipl.-Kfm. 4400 Münster Hübner Method and measuring instrument for measuring and processing characteristic quantities of the environmental atmosphere, particularly below ground
DE3243540A1 (en) * 1982-11-25 1984-05-30 Hans-Jörg Dipl.-Kfm. 4400 Münster Hübner Method and measuring instrument for measuring and processing characteristic quantities of the environmental atmosphere, particularly below ground
US4483178A (en) * 1983-01-18 1984-11-20 Miille Jerry L Pneumatic-digital converter system and method
DE3313041A1 (en) * 1983-04-12 1984-10-18 Krauss-Maffei AG, 8000 München Circuit arrangement for processing serial measurement data with superimposed interference
US4564911A (en) * 1983-04-25 1986-01-14 Eaton Corporation Method of monitoring a cutting tool by recognizing a sensed deviation in a mathematically smoothed function of force
DE3327154A1 (en) * 1983-07-28 1985-02-14 Hans-Jörg Dipl.-Kfm. 4400 Münster Hübner METHOD FOR MEASURING INDICATORS OF THE ENVIRONMENTAL ATMOSPHERE, IN PARTICULAR CONCENTRATIONS OF EXPLOSION HAZARDOUS GASES IN THE UNDERGROUND CURRENT FLOW
US5253570A (en) * 1983-09-30 1993-10-19 Hay & Forage Industries Baler with load sensor
US4512179A (en) * 1983-10-28 1985-04-23 General Electric Company Instrument for calibrating pressure gauges
DE3339349A1 (en) * 1983-10-29 1985-05-09 Meditec GmbH, 8501 Heroldsberg Characteristic transmitter
US4644482A (en) * 1984-12-21 1987-02-17 Pressure Systems Incorporated Digital pressure transducer and corrections circuitry system
FR2577480B1 (en) * 1985-02-21 1987-12-11 Labinal DEVICE FOR MEASURING BRAKE TEMPERATURES AND TIRE PRESSURES ON VEHICLE WHEEL TRAINS AND ESPECIALLY AIRCRAFT
DE3526242A1 (en) * 1985-07-23 1986-08-28 Uwe 2940 Wilhelmshaven Menssen Load balance for installation in a heavy-goods vehicle
US4689999A (en) * 1985-07-26 1987-09-01 The Garrett Corporation Temperature compensated pressure transducer
US4763063A (en) * 1985-07-26 1988-08-09 Allied-Signal Inc. Compact digital pressure sensor circuitry
US4912468A (en) * 1985-12-04 1990-03-27 Dynamics Research Corporation Non-linear error correction system
US4782904A (en) * 1986-11-07 1988-11-08 Ohaus Scale Corporation Electronic balance
DE3707100A1 (en) * 1987-03-05 1988-09-15 Vallon Gmbh Measured value indicator for measuring devices
DE3721113A1 (en) * 1987-06-26 1989-01-05 Soehnle Waagen Gmbh & Co Measuring circuit for electronic scales
DE3736643A1 (en) * 1987-10-29 1989-05-11 Koenig Werner Barometric altitude measurement taking into consideration the air temperature
US5403279A (en) * 1988-06-29 1995-04-04 Terumo Kabushiki Kaisha Blood collecting apparatus
GB9009190D0 (en) * 1990-04-24 1990-06-20 Devilbiss The Company Limited Miniature electronic pressure gauge
DE4033053C1 (en) * 1990-10-18 1992-03-05 Hottinger Baldwin Messtechnik Gmbh, 6100 Darmstadt, De
US5553622A (en) * 1991-01-29 1996-09-10 Mckown; Russell C. System and method for controlling the temperature of a catheter-mounted heater
US5720293A (en) * 1991-01-29 1998-02-24 Baxter International Inc. Diagnostic catheter with memory
US6387052B1 (en) 1991-01-29 2002-05-14 Edwards Lifesciences Corporation Thermodilution catheter having a safe, flexible heating element
GB9127112D0 (en) * 1991-12-20 1992-02-19 Schlumberger Ind Ltd Smart displacement sensor
US5485741A (en) * 1993-10-19 1996-01-23 Medamicus, Inc. Vacuum calibration method for an optical fiber pressure transducer
US5560355A (en) * 1993-12-17 1996-10-01 Nellcor Puritan Bennett Incorporated Medical sensor with amplitude independent output
US5645059A (en) * 1993-12-17 1997-07-08 Nellcor Incorporated Medical sensor with modulated encoding scheme
US5578993A (en) * 1994-11-28 1996-11-26 Autronics Corporation Temperature compensated annunciator
US5764067A (en) * 1995-05-10 1998-06-09 Rastegar; Ali J. Method and apparatus for sensor signal conditioning using low-cost, high-accuracy analog circuitry
FR2737777B1 (en) 1995-08-11 1997-10-31 Motorola Semiconducteurs SENSOR MODULE
US5660567A (en) * 1995-11-14 1997-08-26 Nellcor Puritan Bennett Incorporated Medical sensor connector with removable encoding device
US6064899A (en) 1998-04-23 2000-05-16 Nellcor Puritan Bennett Incorporated Fiber optic oximeter connector with element indicating wavelength shift
CA2345731A1 (en) 1998-09-29 2000-04-06 Mallinckrodt Inc. Oximeter sensor with encoded temperature characteristic
CA2345633A1 (en) 1998-09-29 2000-04-06 Mallinckrodt Inc. Multiple-code oximeter calibration element
US8103325B2 (en) * 1999-03-08 2012-01-24 Tyco Healthcare Group Lp Method and circuit for storing and providing historical physiological data
US6401046B1 (en) * 1999-09-22 2002-06-04 Visteon Global Technologies, Inc. Modulated interface for remote signals
US6708049B1 (en) * 1999-09-28 2004-03-16 Nellcor Puritan Bennett Incorporated Sensor with signature of data relating to sensor
AU2001221391A1 (en) * 2000-01-26 2001-08-07 Vsm Medtech Ltd. Continuous blood pressure monitoring method and apparatus
CA2405825C (en) 2000-04-17 2010-11-09 Nellcor Puritan Bennett Incorporated Pulse oximeter sensor with piece-wise function
US6591123B2 (en) 2000-08-31 2003-07-08 Mallinckrodt Inc. Oximeter sensor with digital memory recording sensor data
US6553241B2 (en) 2000-08-31 2003-04-22 Mallinckrodt Inc. Oximeter sensor with digital memory encoding sensor expiration data
US6628975B1 (en) 2000-08-31 2003-09-30 Mallinckrodt Inc. Oximeter sensor with digital memory storing data
US6606510B2 (en) 2000-08-31 2003-08-12 Mallinckrodt Inc. Oximeter sensor with digital memory encoding patient data
US6893401B2 (en) * 2001-07-27 2005-05-17 Vsm Medtech Ltd. Continuous non-invasive blood pressure monitoring method and apparatus
US6828801B1 (en) 2001-10-26 2004-12-07 Welch Allyn, Inc. Capacitive sensor
US20030225334A1 (en) * 2002-01-31 2003-12-04 Christopher Hicks Sensor identification method and system
US20040193023A1 (en) * 2003-03-28 2004-09-30 Aris Mardirossian System, method and apparatus for monitoring recording and reporting physiological data
US7003417B2 (en) * 2003-06-06 2006-02-21 Invensys Systems, Inc. Multiple calibration ranges stored in a process transmitter
US6949968B1 (en) * 2004-02-20 2005-09-27 National Semiconductor Corporation Method for increasing the sensitivity of integrated circuit temperature sensors
US20070069882A1 (en) * 2005-09-27 2007-03-29 Kamal Mahajan Intelligent exit sign
DE102008040062A1 (en) * 2008-07-02 2010-01-07 Robert Bosch Gmbh Method for operating a fluid valve with an oscillating valve movement
US9408542B1 (en) 2010-07-22 2016-08-09 Masimo Corporation Non-invasive blood pressure measurement system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482084A (en) * 1965-06-24 1969-12-02 Viktor Matveevich Trusov Method and device for obtaining voltage representing a predetermined function and for linearization of nonlinear operating characteristics of frequency-measuring transducers adapted to determine physical values
US3557347A (en) * 1968-09-18 1971-01-19 Zeltex Inc Digitally controlled analogue function generator
US3472077A (en) * 1968-09-20 1969-10-14 Kinemotive Corp Temperature-compensated pressure transducer
GB1315120A (en) * 1969-07-17 1973-04-26 Solartron Electronic Group Density measurements
GB1294489A (en) * 1970-05-12 1972-10-25 Solartron Electronic Group Linearizing circuit
US3662163A (en) * 1970-08-04 1972-05-09 Gen Electric Digital signal linearizer
US3701145A (en) * 1970-11-04 1972-10-24 Honeywell Inc Analog to digital converter

Also Published As

Publication number Publication date
DE2318280A1 (en) 1973-11-08
FR2181296A5 (en) 1973-11-30
JPS4922172A (en) 1974-02-27
GB1429716A (en) 1976-03-24
DE2318280C3 (en) 1978-06-29
DE2318280B2 (en) 1977-11-03
SE396487B (en) 1977-09-19
US3790910A (en) 1974-02-05

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