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
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
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
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
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
JP6174574B2 (en) 2011-06-02 2017-08-02 パーカーヴィジョン インコーポレイテッド Antenna control
KR20160058855A (en) 2013-09-17 2016-05-25 파커비전, 인크. Method, apparatus and system for rendering an information bearing function of time

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

Similar Documents

Publication Publication Date Title
FR993120A (en) Amplitude modulator devices with carrier frequency elimination and very wide bandwidth
FR1065498A (en) Magneto-optical methods and devices
FR1023060A (en) Very wide band amplitude limiter device in ultra-high frequencies
CH293581A (en) Single sideband signal transmission system with a completely suppressed carrier wave and two auxiliary frequency sidebands.
CH291952A (en) VHF transmitter frequency modulated with a condenser microphone.
CH269004A (en) Tuning device on an amplifier with a large shortwave range.
FR973450A (en) Amplitude modulator assembly
FR1041095A (en) Frequency modulated oscillator
CH298708A (en) Device for ultra-short wave amplitude modulation.
FR1005588A (en) Microwave modulation device
FR983127A (en) Very high frequency modulator and changers device
FR61421E (en) Telecommunications method and device with modification of the frequency band
FR1013406A (en) Frequency modulation device
FR988991A (en) Improvements to frequency modulated wave transmitters and receivers
FR1004214A (en) Frequency modulator
CH314177A (en) High frequency amplitude control device
FR947862A (en) Improvements to frequency modulation devices
FR1020385A (en) Frequency modulated carrier wave receiver
AU137975B2 (en) Combined amplitude and frequency modulation detectors
ES28602Y (en) Fixed Multiple Frequency Modulated Oscillator Apparatus
FR1044846A (en) Improvements to modulated carrier wave transmitters
FR1040157A (en) Frequency modulated oscillator
FR949491A (en) Frequency modulated centimeter wave and UHF discriminator
ES26612Y (en) Tomato and similar fruit cutting device.
AU1213247A (en) Combined amplitude and frequency modulation detectors