FR993120A - Amplitude modulator devices with carrier frequency elimination and very wide bandwidth - Google Patents

Amplitude modulator devices with carrier frequency elimination and very wide bandwidth

Info

Publication number
FR993120A
FR993120A FR993120DA FR993120A FR 993120 A FR993120 A FR 993120A FR 993120D A FR993120D A FR 993120DA FR 993120 A FR993120 A FR 993120A
Authority
FR
France
Prior art keywords
carrier frequency
wide bandwidth
amplitude modulator
frequency elimination
modulator devices
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
Other languages
French (fr)
Inventor
Jean-Marie Villemagne
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR993120A publication Critical patent/FR993120A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
FR993120D 1949-06-03 1949-06-03 Amplitude modulator devices with carrier frequency elimination and very wide bandwidth Expired FR993120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR993120T 1949-06-03

Publications (1)

Publication Number Publication Date
FR993120A true FR993120A (en) 1951-10-26

Family

ID=9555406

Family Applications (1)

Application Number Title Priority Date Filing Date
FR993120D Expired FR993120A (en) 1949-06-03 1949-06-03 Amplitude modulator devices with carrier frequency elimination and very wide bandwidth

Country Status (2)

Country Link
US (1) US2591749A (en)
FR (1) FR993120A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856586A (en) * 1953-08-13 1958-10-14 Gen Precision Lab Inc Mixer-modulator
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
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
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
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
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
EP2695294A1 (en) 2011-04-08 2014-02-12 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
KR20140034895A (en) 2011-06-02 2014-03-20 파커비전, 인크. Antenna control
CN106415435B (en) 2013-09-17 2020-08-11 帕克维辛股份有限公司 Method, apparatus and system for presenting information bearing time function

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2239776A (en) * 1939-03-03 1941-04-29 Hazeltine Corp Balanced modulator circuit
US2275020A (en) * 1939-07-06 1942-03-03 John Hays Hammond Jr Modulation system
US2484107A (en) * 1946-09-21 1949-10-11 Du Mont Allen B Lab Inc Oscillograph circuit to modulate a signal

Also Published As

Publication number Publication date
US2591749A (en) 1952-04-08

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