NL57174C - - Google Patents

Info

Publication number
NL57174C
NL57174C NL57174DA NL57174C NL 57174 C NL57174 C NL 57174C NL 57174D A NL57174D A NL 57174DA NL 57174 C NL57174 C NL 57174C
Authority
NL
Netherlands
Application number
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.)
Publication of NL57174C publication Critical patent/NL57174C/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/50—Amplitude modulation by converting angle modulation to amplitude modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Microwave Amplifiers (AREA)
NL57174D 1938-12-02 NL57174C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR759851X 1938-12-02

Publications (1)

Publication Number Publication Date
NL57174C true NL57174C (en:Method)

Family

ID=9167474

Family Applications (1)

Application Number Title Priority Date Filing Date
NL57174D NL57174C (en:Method) 1938-12-02

Country Status (6)

Country Link
US (2) US2282714A (en:Method)
CH (1) CH222396A (en:Method)
DE (1) DE759851C (en:Method)
FR (3) FR854015A (en:Method)
GB (1) GB537076A (en:Method)
NL (1) NL57174C (en:Method)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL79855C (en:Method) * 1949-11-02
US2719190A (en) * 1950-10-27 1955-09-27 Bell Telephone Labor Inc High-efficiency translating circuit
BE524984A (en:Method) * 1951-07-12
GB989329A (en) * 1964-01-16 1965-04-14 Standard Telephones Cables Ltd Electrical amplifying circuits
DE3906448C1 (en:Method) * 1989-03-01 1990-03-15 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
US6334234B1 (en) * 1999-01-08 2002-01-01 Fantom Technologies Inc. Cleaner head for a vacuum cleaner
US7071775B2 (en) * 2004-06-21 2006-07-04 Motorola, Inc. Method and apparatus for an enhanced efficiency power amplifier
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) * 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008156800A1 (en) 2007-06-19 2008-12-24 Parkervision, Inc. Combiner-less multiple input single output (miso) amplification with blended control
US7714649B1 (en) 2008-06-02 2010-05-11 Rockwell Collins, Inc. High-efficiency linear amplifier using non linear circuits
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
EP2715867A4 (en) 2011-06-02 2014-12-17 Parkervision Inc ANTENNA CONTROL
CN106415435B (zh) 2013-09-17 2020-08-11 帕克维辛股份有限公司 用于呈现信息承载时间函数的方法、装置和系统
US10187014B2 (en) 2014-10-07 2019-01-22 Telefonaktiebolaget Lm Ericsson (Publ) Driver circuit for composite power amplifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE341637A (en:Method) * 1926-05-10
FR39312E (fr) * 1930-05-06 1931-10-12 Radio Electr Soc Fr Perfectionnements aux méthodes de radio-communication
DE598086C (de) * 1931-07-29 1934-06-05 Radio Electr Soc Fr Verfahren zur drahtlosen Nachrichtenuebermittlung mittels zweier aus einem Generator gespeister und in Differentialkopplung auf den Antennenkreis arbeitender Stromkreise
DE611876C (de) * 1934-02-04 1935-04-09 Radio Electr Soc Fr Hochfrequenzsendeanordung fuer modulierte Signale

Also Published As

Publication number Publication date
US2269518A (en) 1942-01-13
US2282714A (en) 1942-05-12
FR50403E (fr) 1940-06-05
GB537076A (en) 1941-06-09
CH222396A (fr) 1942-07-15
FR854015A (fr) 1940-04-03
FR856319A (fr) 1940-06-11
DE759851C (de) 1952-11-10

Similar Documents

Publication Publication Date Title
BE428011A (en:Method)
BE425911A (en:Method)
BE131681A (en:Method)
BE427315A (en:Method)
BE414985A (en:Method)
BE420003A (en:Method)
BE427381A (en:Method)
BE420642A (en:Method)
NL57174C (en:Method)
BE427383A (en:Method)
BE422629A (en:Method)
BE427957A (en:Method)
BE427511A (en:Method)
BE423383A (en:Method)
NL63489C (en:Method)
BE423866A (en:Method)
NL57478C (en:Method)
NL55467C (en:Method)
NL52623C (en:Method)
NL51003C (en:Method)
NL49634C (en:Method)
BE428654A (en:Method)
BE428507A (en:Method)
BE428470A (en:Method)
BE428437A (en:Method)