JPS5372554A - Instantaneous floating point amplifier - Google Patents

Instantaneous floating point amplifier

Info

Publication number
JPS5372554A
JPS5372554A JP10801777A JP10801777A JPS5372554A JP S5372554 A JPS5372554 A JP S5372554A JP 10801777 A JP10801777 A JP 10801777A JP 10801777 A JP10801777 A JP 10801777A JP S5372554 A JPS5372554 A JP S5372554A
Authority
JP
Japan
Prior art keywords
floating point
point amplifier
instantaneous floating
instantaneous
amplifier
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.)
Pending
Application number
JP10801777A
Other languages
English (en)
Inventor
Aran Sumisaa Mairusu
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.)
Geosource Inc
Original Assignee
Geosource 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 Geosource Inc filed Critical Geosource Inc
Publication of JPS5372554A publication Critical patent/JPS5372554A/ja
Pending legal-status Critical Current

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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/24—Recording seismic data
    • G01V1/245—Amplitude control for seismic recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Analogue/Digital Conversion (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP10801777A 1976-12-10 1977-09-09 Instantaneous floating point amplifier Pending JPS5372554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/749,218 US4104596A (en) 1976-12-10 1976-12-10 Instantaneous floating point amplifier

Publications (1)

Publication Number Publication Date
JPS5372554A true JPS5372554A (en) 1978-06-28

Family

ID=25012783

Family Applications (2)

Application Number Title Priority Date Filing Date
JP10801777A Pending JPS5372554A (en) 1976-12-10 1977-09-09 Instantaneous floating point amplifier
JP1985115220U Pending JPS6147517U (ja) 1976-12-10 1985-07-29 即時浮動小数点増幅器

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP1985115220U Pending JPS6147517U (ja) 1976-12-10 1985-07-29 即時浮動小数点増幅器

Country Status (5)

Country Link
US (1) US4104596A (ja)
JP (2) JPS5372554A (ja)
DE (1) DE2749514A1 (ja)
FR (1) FR2373914A1 (ja)
GB (1) GB1578645A (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2469040A1 (fr) * 1979-10-29 1981-05-08 Inst Francais Du Petrole Dispositif d'amplification et d'echantillonnage de signaux analogiques
DE3009574A1 (de) * 1980-03-13 1981-09-17 Krautkrämer, GmbH, 5000 Köln Verfahren und vorrichtung zur bestimmung der schallgeschwindigkeit in einem material vorgegebener dicke
FR2487603B1 (fr) * 1980-07-25 1986-06-27 Inst Francais Du Petrole Dispositif pour amplifier et echantillonner des signaux multiplexes
CA1170756A (en) * 1980-11-17 1984-07-10 Donald W. Harvey Remote seismic data system
US4554511A (en) * 1982-09-29 1985-11-19 Tetra Tech, Inc. Offset voltage correction network for instantaneous floating point amplifier
DE3328254A1 (de) * 1983-08-04 1985-02-21 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum verstaerken bzw. daempfen von analogen eingangssignalen
US4725950A (en) * 1985-06-19 1988-02-16 Syntrak, Inc. Marine seismic signal processor with D.C. offset compensation method
GB8610347D0 (en) * 1986-04-28 1986-06-04 Gen Electric Co Plc Agc circuit
US4704584A (en) * 1986-06-25 1987-11-03 Fairfield Industries Instantaneous floating point amplifier
GB2234069B (en) * 1988-10-28 1992-08-12 Motorola Inc Sensor arrangement
EP0691735B1 (de) * 1994-07-08 2000-11-29 Infineon Technologies AG Verstärkeranordnung und Empfängerschaltung, die die Verstärkeranordnung enthält
JP3398573B2 (ja) * 1997-07-15 2003-04-21 松下電器産業株式会社 差動増幅装置
WO2008021868A2 (en) 2006-08-08 2008-02-21 Halliburton Energy Services, Inc. Resistivty logging with reduced dip artifacts
CN101460698B (zh) 2006-12-15 2013-01-02 哈里伯顿能源服务公司 具有旋转天线结构的天线耦合元件测量工具
AU2008348131B2 (en) 2008-01-18 2011-08-04 Halliburton Energy Services, Inc. EM-guided drilling relative to an existing borehole
EP2361394B1 (en) 2008-11-24 2022-01-12 Halliburton Energy Services, Inc. A high frequency dielectric measurement tool
US20120133367A1 (en) 2009-08-20 2012-05-31 Halliburton Energy Services, Inc. Fracture Characterization Using Directional Electromagnetic Resistivity Measurements
US9310508B2 (en) 2010-06-29 2016-04-12 Halliburton Energy Services, Inc. Method and apparatus for sensing elongated subterranean anomalies
BR112014030170A2 (pt) 2012-06-25 2017-06-27 Halliburton Energy Services Inc método e sistema de perfilagem eletromagnética

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892891A (en) * 1955-11-02 1959-06-30 Bell Telephone Labor Inc Voice-operated gain adjusting device
US3139590A (en) * 1962-05-04 1964-06-30 James H Brown A. c. amplifier with zero d. c. offset
DE1762974B2 (de) * 1965-01-20 1976-04-29 Ausscheidung aus: 15 62 256 International Business Machines Corp., Armonk, N.Y. (V.StA.) Analog-digital-wandler
US3308392A (en) * 1965-02-04 1967-03-07 Esso Production Company Seismic amplifier having means for changing the amplification of the seismic signal by discrete steps proportional to a given power of two
NL6502149A (ja) * 1965-02-19 1966-08-22
US3315223A (en) * 1966-06-10 1967-04-18 Exxon Production Research Co Digital seismic recording
FR1549197A (ja) * 1967-03-13 1968-12-13
US3671931A (en) * 1969-09-04 1972-06-20 Texaco Inc Amplifier system
JPS4871118A (ja) * 1971-12-24 1973-09-26

Also Published As

Publication number Publication date
FR2373914B1 (ja) 1983-02-25
DE2749514A1 (de) 1978-06-15
US4104596A (en) 1978-08-01
JPS6147517U (ja) 1986-03-29
GB1578645A (en) 1980-11-05
FR2373914A1 (fr) 1978-07-07

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