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ELECTRICITY
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Electronic circuits
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MODULATION
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Amplitude modulation
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Patents Grants
last 30 patents
Information
Patent Grant
Piezoelectric resonance controlled terahertz wave modulators
Patent number
10,985,700
Issue date
Apr 20, 2021
Board of Regents, The University of Texas System
Moumita Dutta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric resonance controlled terahertz wave modulators
Patent number
10,594,261
Issue date
Mar 17, 2020
Board of Regents, The University of Texas Systems
Moumita Dutta
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Signal processor
Patent number
10,444,267
Issue date
Oct 15, 2019
Kabushiki Kaisha Toyota Chuo Kenkyusho
Yukihiro Tadokoro
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Systems and methods for providing modulation of switchmode RF power...
Patent number
9,614,478
Issue date
Apr 4, 2017
STRYKER COMBO, L.L.C.
Regis J. Nero
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Synthesizer for transmitter and digital amplitude modulator
Patent number
9,072,175
Issue date
Jun 30, 2015
Kabushiki Kaisha Toshiba
Yoshihiko Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Suppressed carrier harmonic amplitude modulator
Patent number
8,907,738
Issue date
Dec 9, 2014
Cypress Semiconductor Corporation
Dennis R Seguine
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Methods and apparatus for terahertz wave amplitude modulation
Patent number
8,836,446
Issue date
Sep 16, 2014
University of Notre Dame du Lac
Berardi Sensale-Rodriguez
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplitude modulator
Patent number
8,433,267
Issue date
Apr 30, 2013
Panasonic Corporation
Masakatsu Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for generating RF waveforms having aggregate e...
Patent number
8,228,968
Issue date
Jul 24, 2012
Alereon, Inc.
Larry W. Fullerton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital modulation circuit
Patent number
7,586,293
Issue date
Sep 8, 2009
Samsung Electro-Mechanics Co., Ltd.
Man Suk Seo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for modulating a carrier signal and method for demodulating...
Patent number
7,580,473
Issue date
Aug 25, 2009
Deutsche Telekom AG
Klaus Huber
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for generating RF waveforms having aggregate e...
Patent number
7,428,258
Issue date
Sep 23, 2008
Time Domain Corporation
Larry W. Fullerton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Return to zero and sampling pulse generating circuits and method fo...
Patent number
6,617,938
Issue date
Sep 9, 2003
James J. Komiak
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Frequency doubling of a quadrature-amplitude modulated signal using...
Patent number
5,914,620
Issue date
Jun 22, 1999
Wytec, Inc.
Brent S. Simons
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Use of low pass filter and equalizer for noise reduction in direct...
Patent number
5,896,421
Issue date
Apr 20, 1999
Hughes Electronics Corporation
Hassan Zamat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low noise Gilbert Multiplier Cells and quadrature modulators
Patent number
5,847,623
Issue date
Dec 8, 1998
Ericsson Inc.
Aristotle Hadjichristos
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Wideband IQ modulator with RC/CR automatic quadrature network
Patent number
5,694,093
Issue date
Dec 2, 1997
Hewlett-Packard Company
Marcus K. DaSilva
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
RC/CR automatic quadrature network
Patent number
5,644,260
Issue date
Jul 1, 1997
Hewlett-Packard Company
Marcus K. DaSilva
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplitude modulation method and broadcasting apparatus for carrying...
Patent number
5,454,013
Issue date
Sep 26, 1995
Japan Radio Co., Ltd.
Michitosi Minami
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
In-phase combiner and RF recovery system
Patent number
5,304,943
Issue date
Apr 19, 1994
Harris Corporation
Floyd A. Koontz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Linear-modulation type radio transmitter
Patent number
5,113,525
Issue date
May 12, 1992
Mitsubishi Denki Kabushiki Kaisha
Akira Andoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
RF power supply for supplying a regulated power amplified unmodulat...
Patent number
4,947,455
Issue date
Aug 7, 1990
Harris Corporation
Hilmer I. Swanson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Amplitude modulation apparatus
Patent number
4,866,405
Issue date
Sep 12, 1989
U.S. Philips Corporation
Katsuhiro Endo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
AM-RF transmitter with compensation for power supply variations
Patent number
4,747,161
Issue date
May 24, 1988
Varian Associates, Inc.
Gilmer L. Hulsey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for reducing distortion in amplifiers
Patent number
4,737,731
Issue date
Apr 12, 1988
Harris Corporation
Hilmer I. Swanson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Device for pulse modulation automatic control
Patent number
4,698,637
Issue date
Oct 6, 1987
International Standard Electric Corporation
Giuseppe Bertocchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
RF amplitude modulator/mixer
Patent number
4,698,603
Issue date
Oct 6, 1987
Grumman Aerospace Corporation
George A. Clarius
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplitude modulation apparatus and method
Patent number
4,617,536
Issue date
Oct 14, 1986
Baptist Medical Center of Oklahoma, Inc.
Gordon L. Richard
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
AM pulse duration modulator
Patent number
4,605,910
Issue date
Aug 12, 1986
Nautical Electronic Laboratories Limited
Dennis H. Covill
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplitude modulation apparatus and method
Patent number
4,499,339
Issue date
Feb 12, 1985
Baptist Medical Center of Oklahoma, Inc.
Gordon L. Richard
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Piezoelectric Resonance Controlled Terahertz Wave Modulators
Publication number
20200220497
Publication date
Jul 9, 2020
Board of Regents, The University of Texas System
Moumita Dutta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SIGNAL PROCESSOR
Publication number
20180224487
Publication date
Aug 9, 2018
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
Yukihiro TADOKORO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Piezoelectric Resonance Controlled Terahertz Wave Modulators
Publication number
20180026581
Publication date
Jan 25, 2018
Board of Regents, The University of Texas System
Moumita Dutta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Systems and Methods for Providing Modulation of Switchmode RF Power...
Publication number
20160322941
Publication date
Nov 3, 2016
Stryker Combo L.L.C.
Regis J Nero
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SYNTHESIZER FOR TRANSMITTER AND DIGITAL AMPLITUDE MODULATOR
Publication number
20140320226
Publication date
Oct 30, 2014
KABUSHIKI KAISHA TOSHIBA
Yoshihiko TAKAHASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS AND APPARATUS FOR TERAHERTZ WAVE AMPLITUDE MODULATION
Publication number
20130342279
Publication date
Dec 26, 2013
UNIVERSITY OF NOTRE DAME DU LAC
Berardi Sensale-Rodriguez
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLITUDE MODULATOR
Publication number
20120094712
Publication date
Apr 19, 2012
Masakatsu Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR GENERATING RF WAVEFORMS HAVING AGGREGATE E...
Publication number
20100277208
Publication date
Nov 4, 2010
TIME DOMAIN CORPORATION
Larry W. Fullerton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR THE PRODUCTION OF A DIGITALLY MODULATED HIGH-FREQUENCY...
Publication number
20100134198
Publication date
Jun 3, 2010
Nikolaus Demharter
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD FOR MODULATING A CARRIER SIGNAL AND METHOD FOR DEMODULATING...
Publication number
20090310689
Publication date
Dec 17, 2009
Klaus Huber
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL MODULATION CIRCUIT
Publication number
20080055139
Publication date
Mar 6, 2008
SAMSUNG ELECTRO-MECHANCIS CO., LTD.
Man Suk Seo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for modulating a carrier signal and method for demodulating...
Publication number
20060126756
Publication date
Jun 15, 2006
Klaus Huber
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for generating RF waveforms having aggregate e...
Publication number
20040136438
Publication date
Jul 15, 2004
TIME DOMAIN CORPORATION
Larry W. Fullerton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RF digital transmitter
Publication number
20040047429
Publication date
Mar 11, 2004
Weichan Hsu
H03 - BASIC ELECTRONIC CIRCUITRY