NO832488L - Fremgangsmaate og system for forsterkningsvalg - Google Patents

Fremgangsmaate og system for forsterkningsvalg

Info

Publication number
NO832488L
NO832488L NO832488A NO832488A NO832488L NO 832488 L NO832488 L NO 832488L NO 832488 A NO832488 A NO 832488A NO 832488 A NO832488 A NO 832488A NO 832488 L NO832488 L NO 832488L
Authority
NO
Norway
Prior art keywords
gain
signals
voltage level
amplification
sampled signals
Prior art date
Application number
NO832488A
Other languages
English (en)
Norwegian (no)
Inventor
Andrew John Pilarcik Jr
Original Assignee
Mobil Oil 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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of NO832488L publication Critical patent/NO832488L/no

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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Amplifiers (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Analogue/Digital Conversion (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
NO832488A 1982-07-21 1983-07-07 Fremgangsmaate og system for forsterkningsvalg NO832488L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/400,522 US4581725A (en) 1982-07-21 1982-07-21 Method and system for gain selection

Publications (1)

Publication Number Publication Date
NO832488L true NO832488L (no) 1984-01-23

Family

ID=23583948

Family Applications (1)

Application Number Title Priority Date Filing Date
NO832488A NO832488L (no) 1982-07-21 1983-07-07 Fremgangsmaate og system for forsterkningsvalg

Country Status (4)

Country Link
US (1) US4581725A (de)
EP (1) EP0099637A3 (de)
CA (1) CA1204173A (de)
NO (1) NO832488L (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4862387A (en) * 1985-01-11 1989-08-29 Lee Arnold S J Universal-gain data plotter
FR2578077A1 (fr) * 1985-02-27 1986-08-29 Alsthom Cgee Procede et dispositif de detection d'intrusion a barriere hyperfrequence
US4823129A (en) * 1987-02-24 1989-04-18 Bison Instruments, Inc. Analog-to-digital converter
US4833692A (en) * 1987-08-31 1989-05-23 Advanced Micro Devices, Inc. Non-linear amplifier for digital network
FR2648973B1 (fr) * 1989-06-27 1991-09-06 Matra Communication Dispositif de reception de signaux de radio communication
GB8915172D0 (en) * 1989-07-01 1989-08-23 Orbitel Mobile Communications Receiver gain control for radio telephone system
US5023891A (en) * 1989-07-25 1991-06-11 Sf2 Corporation Method and circuit for decoding a Manchester code signal
JPH0775324B2 (ja) * 1989-08-18 1995-08-09 日本電気株式会社 携帯無線機
US5233634A (en) * 1989-10-18 1993-08-03 Nokia Mobile Phones Ltd. Automatic gain control circuit in a radio telephone receiver
JP2653741B2 (ja) * 1992-06-03 1997-09-17 日本無線株式会社 中波ラジオ放送機
JPH06338796A (ja) * 1993-05-27 1994-12-06 Nec Corp 受信機
US5959496A (en) * 1993-08-12 1999-09-28 Lexmark International, Inc. Microprocessors with emission control
US5568144A (en) * 1994-12-01 1996-10-22 General Electric Company Method for improving waveform digitization and circuit for implementing said method
US5627438A (en) * 1995-01-25 1997-05-06 Barrett; Robert D. Pulsing control for an inertial drive system for a multi-motor binary array vehicle
US7864467B2 (en) * 2008-02-06 2011-01-04 International Business Machines Corporation Gain control for data-dependent detection in magnetic storage read channels
US8947975B2 (en) * 2009-05-14 2015-02-03 Baker Hughes Incorporated Time-variable gain for correction of fluid attenuation in downhole acoustic tools
CN103256044B (zh) * 2012-12-19 2016-01-06 电子科技大学 一种随钻声波信号处理装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289157A (en) * 1965-12-16 1966-11-29 Dresser Ind Automatic gain control in acoustic well logging systems
US3525948A (en) * 1966-03-25 1970-08-25 Sds Data Systems Inc Seismic amplifiers
US3699325A (en) * 1969-10-09 1972-10-17 Shell Oil Co Time-shared instantaneous gain-ranging amplifier
US3636463A (en) * 1969-12-12 1972-01-18 Shell Oil Co Method of and means for gainranging amplification
FR2181184A6 (de) * 1972-04-20 1973-11-30 Erap Elf Entr Rech Activ Petro
US3919685A (en) * 1973-11-26 1975-11-11 Geo Space Corp Seismic data acquisition system and method
US3924260A (en) * 1974-06-27 1975-12-02 Petty Ray Geophysical Inc Method and apparatus for suppression of noise in seismic data
US3958213A (en) * 1975-01-03 1976-05-18 Gte Sylvania Incorporated Adaptive gain control and method for signal processor
GB2042294B (en) * 1979-02-06 1983-08-17 Emi Ltd Automatic gain control
FR2469040A1 (fr) * 1979-10-29 1981-05-08 Inst Francais Du Petrole Dispositif d'amplification et d'echantillonnage de signaux analogiques
US4361815A (en) * 1980-06-30 1982-11-30 Rca Corporation Operational amplifier with programmable gain
US4453258A (en) * 1981-06-02 1984-06-05 Texas Instruments Incorporated Automatic gain control circuit
US4464723A (en) * 1981-12-31 1984-08-07 Rca Corporation Digital gain control system
US4451797A (en) * 1982-02-26 1984-05-29 Amf Inc. AGC Controller for pulsed system
US4494212A (en) * 1982-03-03 1985-01-15 The Perkin-Elmer Corporation Variable gain amplifier
US4426651A (en) * 1982-03-03 1984-01-17 The Perkin-Elmer Corporation Strip chart recorder
US4430657A (en) * 1982-03-03 1984-02-07 The Perkin-Elmer Corporation Pen drive for recorder
US4425571A (en) * 1982-03-03 1984-01-10 The Perkin-Elmer Corporation Chart recorder

Also Published As

Publication number Publication date
CA1204173A (en) 1986-05-06
EP0099637A2 (de) 1984-02-01
US4581725A (en) 1986-04-08
EP0099637A3 (de) 1984-04-11

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