DE759851C - Verfahren zur Modulation von Hochfrequenzroehrensendern - Google Patents

Verfahren zur Modulation von Hochfrequenzroehrensendern

Info

Publication number
DE759851C
DE759851C DES139430D DES0139430D DE759851C DE 759851 C DE759851 C DE 759851C DE S139430 D DES139430 D DE S139430D DE S0139430 D DES0139430 D DE S0139430D DE 759851 C DE759851 C DE 759851C
Authority
DE
Germany
Prior art keywords
tubes
voltages
amplitude
voltage
phase
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.)
Expired
Application number
DES139430D
Other languages
German (de)
English (en)
Inventor
Henri Chireix
Jacques Fagot
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of DE759851C publication Critical patent/DE759851C/de
Expired legal-status Critical Current

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)
DES139430D 1938-12-02 1939-12-03 Verfahren zur Modulation von Hochfrequenzroehrensendern Expired DE759851C (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE759851C true DE759851C (de) 1952-11-10

Family

ID=9167474

Family Applications (1)

Application Number Title Priority Date Filing Date
DES139430D Expired DE759851C (de) 1938-12-02 1939-12-03 Verfahren zur Modulation von Hochfrequenzroehrensendern

Country Status (6)

Country Link
US (2) US2282714A (en, 2012)
CH (1) CH222396A (en, 2012)
DE (1) DE759851C (en, 2012)
FR (3) FR854015A (en, 2012)
GB (1) GB537076A (en, 2012)
NL (1) NL57174C (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3906448C1 (en, 2012) * 1989-03-01 1990-03-15 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL79855C (en, 2012) * 1949-11-02
US2719190A (en) * 1950-10-27 1955-09-27 Bell Telephone Labor Inc High-efficiency translating circuit
BE524984A (en, 2012) * 1951-07-12
GB989329A (en) * 1964-01-16 1965-04-14 Standard Telephones Cables Ltd Electrical amplifying circuits
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
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US20130078934A1 (en) 2011-04-08 2013-03-28 Gregory Rawlins 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
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
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
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
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US7714649B1 (en) 2008-06-02 2010-05-11 Rockwell Collins, Inc. High-efficiency linear amplifier using non linear circuits
KR20140034895A (ko) 2011-06-02 2014-03-20 파커비전, 인크. 안테나 제어
KR20160058855A (ko) 2013-09-17 2016-05-25 파커비전, 인크. 정보를 포함하는 시간의 함수를 렌더링하기 위한 방법, 장치 및 시스템
EP3205017B1 (en) 2014-10-07 2019-05-15 Telefonaktiebolaget LM Ericsson (publ) Driver circuit for composite power amplifier

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE515859C (de) * 1926-05-10 1931-01-15 Radio Electr Soc Fr Verfahren zur drahtlosen Nachrichtenuebermittlung mittels zweier aus einem Generator gespeister und in Differentialkopplung auf den Antennenkreis arbeitender Stromkreise
DE546958C (de) * 1930-05-06 1932-04-01 Radio Electr Soc Fr Verfahren zur drahtlosen Nachrichtenuebermittlung mittels zweier aus einem Generator gespeister und in Differentialkopplung auf den Antennenkreis arbeitender Stromkreise
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE515859C (de) * 1926-05-10 1931-01-15 Radio Electr Soc Fr Verfahren zur drahtlosen Nachrichtenuebermittlung mittels zweier aus einem Generator gespeister und in Differentialkopplung auf den Antennenkreis arbeitender Stromkreise
DE546958C (de) * 1930-05-06 1932-04-01 Radio Electr Soc Fr Verfahren zur drahtlosen Nachrichtenuebermittlung mittels zweier aus einem Generator gespeister und in Differentialkopplung auf den Antennenkreis arbeitender Stromkreise
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3906448C1 (en, 2012) * 1989-03-01 1990-03-15 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
US5017888A (en) * 1989-03-01 1991-05-21 Messerschmitt-Boelkow-Blohm Gmbh Broadband nonlinear drive control network for linear amplifiers arranged in several amplifier channels

Also Published As

Publication number Publication date
FR856319A (fr) 1940-06-11
US2282714A (en) 1942-05-12
FR854015A (fr) 1940-04-03
FR50403E (fr) 1940-06-05
NL57174C (en, 2012)
GB537076A (en) 1941-06-09
US2269518A (en) 1942-01-13
CH222396A (fr) 1942-07-15

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