BR7602823A - Aparelho de recolhimento de dados - Google Patents

Aparelho de recolhimento de dados

Info

Publication number
BR7602823A
BR7602823A BR2823/76A BR7602823A BR7602823A BR 7602823 A BR7602823 A BR 7602823A BR 2823/76 A BR2823/76 A BR 2823/76A BR 7602823 A BR7602823 A BR 7602823A BR 7602823 A BR7602823 A BR 7602823A
Authority
BR
Brazil
Prior art keywords
data collection
collection equipment
equipment
data
collection
Prior art date
Application number
BR2823/76A
Other languages
English (en)
Inventor
W Zitelli
A Szabo
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of BR7602823A publication Critical patent/BR7602823A/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/186—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedforward mode, i.e. by determining the range to be selected directly from the input signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
BR2823/76A 1975-05-08 1976-05-06 Aparelho de recolhimento de dados BR7602823A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/575,679 US4016557A (en) 1975-05-08 1975-05-08 Automatic gain controlled amplifier apparatus

Publications (1)

Publication Number Publication Date
BR7602823A true BR7602823A (pt) 1976-11-16

Family

ID=24301283

Family Applications (1)

Application Number Title Priority Date Filing Date
BR2823/76A BR7602823A (pt) 1975-05-08 1976-05-06 Aparelho de recolhimento de dados

Country Status (6)

Country Link
US (1) US4016557A (pt)
JP (1) JPS51140649A (pt)
BE (1) BE841624A (pt)
BR (1) BR7602823A (pt)
FR (1) FR2310655A1 (pt)
IT (1) IT1069931B (pt)

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US4233500A (en) * 1977-10-07 1980-11-11 Phillips Petroleum Company Method and apparatus for providing a digital output in response to an analog input and for providing an analog output in response to a digital input
FR2408943A1 (fr) * 1977-11-15 1979-06-08 Thomson Csf Dispositif de controle automatique du gain d'une voie de reception, utilise notamment dans des systemes comportant des liaisons optiques
JPS6033011B2 (ja) * 1978-05-28 1985-07-31 日本ビクター株式会社 自動音量減衰装置
US4194163A (en) * 1978-08-03 1980-03-18 Texaco Development Corporation Floating point amplifier means and method
US4209753A (en) * 1978-10-27 1980-06-24 Kepco, Inc. Amplifier programmable in gain and output polarity
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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
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JPS57146297A (en) * 1981-03-04 1982-09-09 Nippon Electric Co Voice processor
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US4611342A (en) * 1983-03-01 1986-09-09 Racal Data Communications Inc. Digital voice compression having a digitally controlled AGC circuit and means for including the true gain in the compressed data
US4609788A (en) * 1983-03-01 1986-09-02 Racal Data Communications Inc. Digital voice transmission having improved echo suppression
US4553104A (en) * 1984-03-01 1985-11-12 Honeywell Inc. Method of compensating an amplifier system having a variable gain amplifier to achieve a constant overall system signal gain and an apparatus utilizing the same
US4584560A (en) * 1984-06-11 1986-04-22 Geometrics, Inc. Floating point digitizer
US4679162A (en) * 1984-09-14 1987-07-07 Perkin-Elmer Corp. Wide dynamic range linear to log converter with microcomputer control
US4599574A (en) * 1985-01-14 1986-07-08 Neff Instrument Corporation Selectable gain instrumentation amplifier
US4697236A (en) * 1985-03-11 1987-09-29 Helena Laboratories Corporation Densitometer with automatic gain and reference value adjustment of analog waveform
US4750156A (en) * 1986-03-03 1988-06-07 Input/Output, Inc. Noise suppression during seismic exploration
GB2192465B (en) * 1986-07-12 1990-03-21 Marconi Instruments Ltd Signal measurement
KR900001507B1 (ko) * 1987-03-02 1990-03-12 삼성반도체통신 주식회사 자동이득 조절시스템
JP2678006B2 (ja) * 1988-03-04 1997-11-17 松下電器産業株式会社 自動利得制御装置
US5343201A (en) * 1988-04-07 1994-08-30 Canon Kabushiki Kaisha A-D converter
US4876502A (en) * 1988-05-09 1989-10-24 Westinghouse Electric Corp. Wide dynamic range current measuring apparatus
US4906928A (en) * 1988-12-29 1990-03-06 Atlantic Richfield Company Transient electromagnetic apparatus with receiver having digitally controlled gain ranging amplifier for detecting irregularities on conductive containers
JPH0488723A (ja) * 1990-07-31 1992-03-23 Nec Corp Ａ／ｄ変換装置
US5142221A (en) * 1990-11-23 1992-08-25 John Fluke Mfg. Co., Inc. Automatic function selecting multimeter
US5111203A (en) * 1990-11-27 1992-05-05 Data Translation, Inc. Circuitry for conditioning analog signals and converting to digital form
US5525985A (en) * 1990-12-28 1996-06-11 Eaton Corporation Sure chip
US5194865A (en) * 1991-12-06 1993-03-16 Interbold Analog-to-digital converter circuit having automatic range control
US5525987A (en) * 1993-02-01 1996-06-11 Sony Corporation Analog to digital converter circuit
US5327098A (en) * 1993-07-29 1994-07-05 Burr-Brown Corporation Programmable gain amplifier circuitry and method for biasing JFET gain switches thereof
US5703584A (en) * 1994-08-22 1997-12-30 Adaptec, Inc. Analog data acquisition system
US5568144A (en) * 1994-12-01 1996-10-22 General Electric Company Method for improving waveform digitization and circuit for implementing said method
US5684480A (en) * 1995-01-30 1997-11-04 Telefonaktiebolaget Lm Ericsson Wide dynamic range analog to digital conversion
JPH11264842A (ja) * 1998-03-18 1999-09-28 Fujitsu Ltd 信号レベルモニタ回路
WO2000013310A1 (en) * 1998-08-31 2000-03-09 The B.F. Goodrich Company Multiplexing amplifier
DE19936329B4 (de) 1999-08-02 2008-03-27 Infineon Technologies Ag Verfahren zum A/D-Wandeln analoger Signale und entsprechende A/D-Wandleranordnung
US6369740B1 (en) 1999-10-22 2002-04-09 Eric J. Swanson Programmable gain preamplifier coupled to an analog to digital converter
US6590517B1 (en) 1999-10-22 2003-07-08 Eric J. Swanson Analog to digital conversion circuitry including backup conversion circuitry
US6414619B1 (en) 1999-10-22 2002-07-02 Eric J. Swanson Autoranging analog to digital conversion circuitry
US6310518B1 (en) 1999-10-22 2001-10-30 Eric J. Swanson Programmable gain preamplifier
US7062092B2 (en) * 2000-08-22 2006-06-13 Affymetrix, Inc. System, method, and computer software product for gain adjustment in biological microarray scanner
DE10047396C1 (de) * 2000-09-26 2002-06-20 Stn Atlas Elektronik Gmbh Schaltungsanordnung zur umschaltbaren Verstärkung von Analogsignalen
DE10125366A1 (de) * 2001-05-23 2002-12-12 Infineon Technologies Ag dB-lineare VGA-Stufe mit hoher Bandbreite
DE10203562C1 (de) * 2002-01-29 2003-06-18 Stn Atlas Elektronik Gmbh Schaltungsanordnung zur Einspeisung von Testsignalen in mindestens eine Verstärkungsschaltung
FR2836248B1 (fr) * 2002-02-18 2005-01-28 Ermme Module d'acquisition a entree universelle pour la mesure de grandeurs physiques
US7049989B2 (en) * 2004-10-01 2006-05-23 Smiths Aerospace Llc Unified analog input front end apparatus and method
US7215202B2 (en) * 2005-02-25 2007-05-08 Texas Instruments Incorporated Programmable gain amplifier and method
US20060264762A1 (en) 2005-03-28 2006-11-23 Ric Investments, Llc. PC-based physiologic monitor and system for resolving apnea episodes during sedation
US7042376B1 (en) * 2005-05-20 2006-05-09 National Instruments Corporation Scanning front end using single-pole, double-throw switches to reduce settling time
US7834792B2 (en) * 2005-06-17 2010-11-16 Analog Devices, Inc. Synchronous analog to digital conversion system and method
US7268714B2 (en) * 2005-06-17 2007-09-11 Analog Devices, Inc. Rapid response current measurement system and method
GB0515715D0 (en) * 2005-07-30 2005-09-07 Rolls Royce Plc Sensor measurement error
KR100825727B1 (ko) * 2005-12-07 2008-04-29 한국전자통신연구원 직렬 버스를 이용한 아날로그 신호의 디지털 변환 데이터수집 장치 및 그 방법
US20100145170A1 (en) * 2006-09-21 2010-06-10 Starr Life Sciences Corp. Small Animal Pulse Oximeter User Interface
US20080076991A1 (en) * 2006-09-21 2008-03-27 Starr Life Sciences Corp. Medical display devices for cardiac and breathing parameters derived from extra-thoracic blood flow measurements
US8359079B2 (en) * 2006-09-21 2013-01-22 Starr Life Sciences Corporation Pulse oximetry system and techniques for deriving cardiac and breathing parameters from extra-thoracic blood flow measurements
US20090275809A1 (en) * 2008-05-01 2009-11-05 Starr Life Sciences Corp. Portable Modular Kiosk Based Physiologic Sensor System with Display and Data Storage for Clinical and Research Applications including Cross Calculating and Cross Checked Physiologic Parameters Based Upon Combined Sensor Input
US20090275810A1 (en) * 2008-05-01 2009-11-05 Starr Life Sciences Corp. Portable modular pc based system for continuous monitoring of blood oxygenation and respiratory parameters
US7696817B1 (en) * 2008-10-17 2010-04-13 Maxim Integrated Products, Inc. Auto-gain correction and common mode voltage cancellation in a precision amplifier
JP6192259B2 (ja) * 2011-04-21 2017-09-06 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． Ｄｔｖのアナログフロントエンド、それを含むデジタルｔｖシステム、及びこれらの動作方法
US8963752B2 (en) * 2013-05-15 2015-02-24 Rohm Co., Ltd. A/D converter, motor drive device, magnetic disk storage device, and electronic appliance
US9831844B2 (en) * 2014-09-19 2017-11-28 Knowles Electronics, Llc Digital microphone with adjustable gain control

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525948A (en) * 1966-03-25 1970-08-25 Sds Data Systems Inc Seismic amplifiers
FR1522367A (fr) * 1967-03-13 1968-04-26 Societe D'etudes, Recherches Et Constructions Electroniques S.E.R.C.E.L. Perfectionnement aux appareils électroniques de mesure
US3577140A (en) * 1967-06-27 1971-05-04 Ibm Triple integrating ramp analog-to-digital converter
US3464022A (en) * 1967-08-30 1969-08-26 Mandrel Industries Apparatus for controlling the gain of binary gain ranging amplifiers
US3671931A (en) * 1969-09-04 1972-06-20 Texaco Inc Amplifier system
US3699325A (en) * 1969-10-09 1972-10-17 Shell Oil Co Time-shared instantaneous gain-ranging amplifier
US3613111A (en) * 1969-11-03 1971-10-12 Nasa Wide range analog-to-digital converter with a variable gain amplifier
US3790886A (en) * 1971-10-04 1974-02-05 Keithley Instruments Electrical measurement instrument having an improved analog to digital converter
US3754240A (en) * 1971-10-19 1973-08-21 Ibm Gain decision logic for integrating analog-to-digital converters
JPS4860561A (pt) * 1971-11-27 1973-08-24
JPS4871118A (pt) * 1971-12-24 1973-09-26
US3806916A (en) * 1972-10-06 1974-04-23 Westinghouse Electric Corp Analog data acquisition system
US3813609A (en) * 1972-11-27 1974-05-28 Petty Ray Geophysical Inc Multiple stage sample normalizing amplifier with automatic gain prediction

Also Published As

Publication number Publication date
FR2310655B1 (pt) 1982-06-18
IT1069931B (it) 1985-03-25
JPS51140649A (en) 1976-12-03
BE841624A (fr) 1976-11-08
US4016557A (en) 1977-04-05
FR2310655A1 (fr) 1976-12-03

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