NO913412D0 - Bipolar signalforsterkning eller -utvikling. - Google Patents

Bipolar signalforsterkning eller -utvikling.

Info

Publication number
NO913412D0
NO913412D0 NO913412A NO913412A NO913412D0 NO 913412 D0 NO913412 D0 NO 913412D0 NO 913412 A NO913412 A NO 913412A NO 913412 A NO913412 A NO 913412A NO 913412 D0 NO913412 D0 NO 913412D0
Authority
NO
Norway
Prior art keywords
development
signal strength
bipolar signal
bipolar
strength
Prior art date
Application number
NO913412A
Other languages
English (en)
Other versions
NO913412L (no
Inventor
Robert J Guest
Original Assignee
Halliburton Co
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 Halliburton Co filed Critical Halliburton Co
Publication of NO913412D0 publication Critical patent/NO913412D0/no
Publication of NO913412L publication Critical patent/NO913412L/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2178—Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
NO91913412A 1990-08-31 1991-08-30 Bipolar signalanordning. NO913412L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/577,397 US5187473A (en) 1990-08-31 1990-08-31 Bipolar signal amplification or generation

Publications (2)

Publication Number Publication Date
NO913412D0 true NO913412D0 (no) 1991-08-30
NO913412L NO913412L (no) 1992-03-02

Family

ID=24308541

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91913412A NO913412L (no) 1990-08-31 1991-08-30 Bipolar signalanordning.

Country Status (5)

Country Link
US (1) US5187473A (no)
EP (1) EP0473461A3 (no)
AU (1) AU638351B2 (no)
CA (1) CA2050215A1 (no)
NO (1) NO913412L (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270703A (en) * 1990-08-31 1993-12-14 Halliburton Company Bipolar signal amplification or generation
US5689248A (en) * 1994-12-15 1997-11-18 Gas Research Institute Methods for reducing power consumption in remote sensing applications
US5682067A (en) * 1996-06-21 1997-10-28 Sierra Applied Sciences, Inc. Circuit for reversing polarity on electrodes
WO2012162702A2 (en) * 2011-05-26 2012-11-29 Lawrence Livermore National Security, Llc Methods and devices for generating bipolar signals from unipolar signals
EA038707B1 (ru) 2013-12-20 2021-10-07 Фасткэп Системз Корпорейшн Устройство электромагнитной телеметрии

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354887A (en) * 1942-10-29 1944-08-01 Stanolind Oil & Gas Co Well signaling system
US2411696A (en) * 1944-04-26 1946-11-26 Stanolind Oil & Gas Co Well signaling system
US3186222A (en) * 1960-07-28 1965-06-01 Mccullough Tool Co Well signaling system
US3473131A (en) * 1965-06-04 1969-10-14 Radiation Inc Level shift correction circuits
US3319147A (en) * 1966-04-20 1967-05-09 Gen Electric Variable frequency, variable wave form inverter
US3794906A (en) * 1972-09-29 1974-02-26 Ibm Electrical converter
US3900823A (en) * 1973-03-28 1975-08-19 Nathan O Sokal Amplifying and processing apparatus for modulated carrier signals
US4095126A (en) * 1977-03-16 1978-06-13 International Business Machines Corporation Bi-polar amplifier with sharply defined amplitude limits
US4160970A (en) * 1977-11-25 1979-07-10 Sperry Rand Corporation Electromagnetic wave telemetry system for transmitting downhole parameters to locations thereabove
US4316132A (en) * 1979-05-04 1982-02-16 Eaton Corporation PWM Inverter control and the application thereof within electric vehicles
US4244015A (en) * 1979-05-24 1981-01-06 Litton Systems, Inc. Pulse width modulated inverter
US4445095A (en) * 1980-05-19 1984-04-24 Carver R W Audio amplifier
US4339791A (en) * 1980-09-19 1982-07-13 Rockwell International Corporation DC to low frequency inverter with pulse width modulated high frequency link
US4590413A (en) * 1982-01-11 1986-05-20 Eaton Corporation EV drivetrain inverter with V/HZ optimization
US4443719A (en) * 1982-06-11 1984-04-17 Honeywell Inc. Voltage isolated gate drive circuit
US4479175A (en) * 1982-08-13 1984-10-23 Honeywell Inc. Phase modulated switchmode power amplifier and waveform generator
US4691203A (en) * 1983-07-01 1987-09-01 Rubin Llewellyn A Downhole telemetry apparatus and method
US4590395A (en) * 1984-07-20 1986-05-20 Honeywell Inc. FET-bipolar drive circuit
US4864293A (en) * 1988-04-29 1989-09-05 Flowmole Corporation Inground boring technique including real time transducer
US4914399A (en) * 1989-03-01 1990-04-03 Minnesota Mining And Manufacturing Company Induction coil driver
US4980649A (en) * 1989-06-08 1990-12-25 Zdzislaw Gulczynski Ultra efficient switching power amplifier

Also Published As

Publication number Publication date
US5187473A (en) 1993-02-16
AU8342991A (en) 1992-03-05
NO913412L (no) 1992-03-02
EP0473461A2 (en) 1992-03-04
CA2050215A1 (en) 1992-03-01
AU638351B2 (en) 1993-06-24
EP0473461A3 (en) 1992-05-06

Similar Documents

Publication Publication Date Title
DE69108066D1 (de) Signalleitung.
FI902257A0 (fi) Foerfarande foer kontrollering av luftinneslutningar i betongkomposition.
FI911917A (fi) Elektrisk maetningsanordning foer gaongtidsmaetning av en elektrisk signal.
DE69007688D1 (de) Signalgenerator.
FI892709A0 (fi) Turbulensgenerator i inloppslaodan av en pappersmaskin.
FI905396A0 (fi) Foerfarande foer spaonfri uppdelning av kantvirke i jaemntjocka braeder.
FI920952A0 (fi) Foerbaettringar i tillverkningen av pappersbanamaterial.
FI892385A0 (fi) Munstyckessystem i blaosningslaodan av en pappersmaskin.
DE69102644T2 (de) Demodulationsreferenzsignalquelle.
FI903697A0 (fi) Foerfarande foer kontrolering av avskiljningskraft i avskiljbara beklaednader.
NO913412D0 (no) Bipolar signalforsterkning eller -utvikling.
NO903662L (no) Koplingsstykke.
FI895219A0 (fi) Foerfarande foer foerpackning av oeverlaonga pappers- och kartongrullor i omslagspapper.
FI902791A0 (fi) Anordning foer formning av en fuktig pappersbana i en pappersmaskin.
DE69101774D1 (de) Anzeiger.
FI921781A0 (fi) Kaffefilter foer beredning av filterkaffeportioner i koppstorlek.
FI903597A0 (fi) Anordning foer foerstaerkning av ljussignaler i optiska fibertransmissionslinjer.
DE59006554D1 (de) Signalwandler.
FI892380A0 (fi) Anordning foer foerflyttning i sidled av en rulle ingaoende i en foerflyttningsanordning.
FI900560A (fi) Foerfarande foer bestaemning av ankomstriktningen av en signal, foeretraedesvis en tonsignal.
FI895452A (fi) Modifierat foerfarande foer straengtorkning av stycketorv.
FI894234A0 (fi) Modifierat foerfarande foer straengtorkning av stycketorv.
NO902542D0 (no) Retningsindikator.
FR2652553B1 (fr) Petard generateur de signal detonant.
FI873321A0 (fi) Kopplingsarrangemang foer att aotskilja likstroems- och vaexelstroemskomponenter i en sammansatt signal.