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)

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)

Family

ID=9167474

Family Applications (1)

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

Country Status (6)

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

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL156682B (en) * 1949-11-02 Science Union & Cie PROCESS FOR THE PREPARATION OF MEDICINAL DIBENZOCYCLOALKYL DERIVATIVES, PROCESS FOR THE PREPARATION OF A MEDICINAL PRODUCT FROM THEIR AND FORMED MEDICINAL PRODUCT.
US2719190A (en) * 1950-10-27 1955-09-27 Bell Telephone Labor Inc High-efficiency translating circuit
BE524984A (en) * 1951-07-12
GB989329A (en) * 1964-01-16 1965-04-14 Standard Telephones Cables Ltd Electrical amplifying circuits
DE3906448C1 (en) * 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
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
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
WO2009145887A1 (en) 2008-05-27 2009-12-03 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
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2012167111A2 (en) 2011-06-02 2012-12-06 Parkervision, Inc. Antenna control
WO2015042142A1 (en) 2013-09-17 2015-03-26 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time
WO2016056956A1 (en) 2014-10-07 2016-04-14 Telefonaktiebolaget L M 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
NL25389C (en) * 1926-05-10
FR39312E (en) * 1930-05-06 1931-10-12 Radio Electr Soc Fr Improvements in radio communication methods
DE598086C (en) * 1931-07-29 1934-06-05 Radio Electr Soc Fr Method for the wireless transmission of messages by means of two electric circuits fed by a generator and working in differential coupling on the antenna circuit
DE611876C (en) * 1934-02-04 1935-04-09 Radio Electr Soc Fr High-frequency transmission arrangement for modulated signals

Also Published As

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

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