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ELECTRICITY
H03
Electronic circuits
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IMPEDANCE NETWORKS
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H03H21/0021
Notch filters
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Patents Grants
last 30 patents
Information
Patent Grant
Motor control apparatus
Patent number
10,734,933
Issue date
Aug 4, 2020
Mitsubishi Electric Corporation
Masaya Kimura
G05 - CONTROLLING REGULATING
Information
Patent Grant
Systems and methods for providing compensation of analog filter ban...
Patent number
10,340,893
Issue date
Jul 2, 2019
Marvell International Ltd.
Vijay Ahirwar
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital filter and vehicle driving force control apparatus
Patent number
10,308,250
Issue date
Jun 4, 2019
Toyota Jidosha Kabushiki Kaisha
Tomohiro Naruse
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Frequency-adaptive notch filter
Patent number
9,503,056
Issue date
Nov 22, 2016
Welch Allyn, Inc.
Yaolong Lou
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Signal processing device and signal processing method
Patent number
9,438,204
Issue date
Sep 6, 2016
Mediatek Inc.
Chien-Hua Hsu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Frequency-adaptive notch filter
Patent number
9,198,588
Issue date
Dec 1, 2015
Welch Allyn, Inc.
Yaolong Lou
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Howling suppression device and adaptive notch filter
Patent number
9,197,191
Issue date
Nov 24, 2015
Oki Electric Industry Co., Ltd.
Naoya Kawabata
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Programmable RF notch filter for envelope tracking
Patent number
9,020,451
Issue date
Apr 28, 2015
RF Micro Devices, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adaptive spectral enhancement and harmonic separation
Patent number
8,964,890
Issue date
Feb 24, 2015
Applied Micro Circuits Corporation
Dariush Dabiri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adaptive narrowband interference prediction circuit and method
Patent number
8,638,892
Issue date
Jan 28, 2014
Applied Micro Circuits Corporation
Dariush Dabiri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Receiver having an adaptive filter and method of optimizing the filter
Patent number
8,634,507
Issue date
Jan 21, 2014
ST-Ericsson SA
Robert Fifield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus of adaptively canceling a fundamental frequenc...
Patent number
8,577,945
Issue date
Nov 5, 2013
Eaton Corporation
Michael P. Nowak
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Blind adaptive filter for narrowband interference cancellation
Patent number
8,509,365
Issue date
Aug 13, 2013
Montage Technology (Shanghai) Co. Ltd.
Gang Hu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adaptive spectral enhancement and harmonic separation
Patent number
8,472,514
Issue date
Jun 25, 2013
Applied Micro Circuits Corporation
Dariush Dabiri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adaptive notch filter
Patent number
8,392,000
Issue date
Mar 5, 2013
University of Southern California
Jason Levin
G05 - CONTROLLING REGULATING
Information
Patent Grant
Narrowband interference cancellation method and circuit
Patent number
8,331,508
Issue date
Dec 11, 2012
Applied Micro Circuits Corporation
Dariush Dabiri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Receiver having an adaptive filter and method of optimising the filter
Patent number
8,085,838
Issue date
Dec 27, 2011
ST-Ericsson SA
Robert Fifield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-channel digital feedback reducer system
Patent number
7,227,959
Issue date
Jun 5, 2007
Shure Incorporated
Mathew T. Abraham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Realtime adaptive notch compensator
Patent number
6,867,642
Issue date
Mar 15, 2005
Lockheed Martin Corporation
Benigno Maqueira
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adaptive frequency correction burst detector for GSM handset system
Patent number
5,724,657
Issue date
Mar 3, 1998
Rockwell International Corporation
Jingdong Lin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Receiver and adaptive digital notch filter
Patent number
5,226,057
Issue date
Jul 6, 1993
Rockwell International Corporation
Thomas A. Boren
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive stop-notch filter
Patent number
4,679,001
Issue date
Jul 7, 1987
International Business Machines Corporation
Lynn P. West
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive sinusoidal interference filter
Patent number
4,589,083
Issue date
May 13, 1986
Centre de Recherche Industrielle du Quebec
Chon T. Le Dinh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Self-adjusting digital notch filter
Patent number
3,967,102
Issue date
Jun 29, 1976
The United States of America as represented by the Secretary of the Air Force
Rainer F. McCown
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
3867712
Patent number
3,867,712
Issue date
Feb 18, 1975
G01 - MEASURING TESTING
Information
Patent Grant
3614398
Patent number
3,614,398
Issue date
Oct 19, 1971
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
MICROMIRROR RESONANCE SUPRESSION USING CONFIGURABLE FILTER
Publication number
20230384582
Publication date
Nov 30, 2023
Microsoft Technology Licensing, LLC
Wenjun LIAO
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
MOTOR CONTROL APPARATUS
Publication number
20190123672
Publication date
Apr 25, 2019
MITSUBISHI ELECTRIC CORPORATION
Masaya KIMURA
G05 - CONTROLLING REGULATING
Information
Patent Application
FREQUENCY-ADAPTIVE NOTCH FILTER
Publication number
20160043704
Publication date
Feb 11, 2016
Welch Allyn, Inc.
Yaolong Lou
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
NOTCH FILTER, EXTERNAL FORCE ESTIMATOR, MOTOR CONTROL APPARATUS, AN...
Publication number
20160016310
Publication date
Jan 21, 2016
KABUSHIKI KAISHA YASKAWA DENKI
Fei ZHAO
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD
Publication number
20150061758
Publication date
Mar 5, 2015
MEDIATEK INC.
Chien-Hua Hsu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FREQUENCY-ADAPTIVE NOTCH FILTER
Publication number
20140121548
Publication date
May 1, 2014
Welch Allyn, Inc.
Yaolong Lou
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HOWLING SUPPRESSION DEVICE AND ADAPTIVE NOTCH FILTER
Publication number
20140059103
Publication date
Feb 27, 2014
Oki Electric Industry Co., Ltd.
Naoya KAWABATA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
PROGRAMMABLE RF NOTCH FILTER FOR ENVELOPE TRACKING
Publication number
20140028368
Publication date
Jan 30, 2014
RF Micro Devices, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ADAPTIVE SPECTRAL ENHANCEMENT AND HARMONIC SEPARATION
Publication number
20130272447
Publication date
Oct 17, 2013
Dariush DABIRI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
NARROWBAND INTERFERENCE CANCELLATION METHOD AND CIRCUIT
Publication number
20130072143
Publication date
Mar 21, 2013
Dariush Dabiri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Receiver Having an Adaptive Filter and Method of Optimizing the Filter
Publication number
20120150934
Publication date
Jun 14, 2012
ST-ERICSSON SA
Robert Fifield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Adaptive Spectral Enhancement and Harmonic Separation
Publication number
20120013398
Publication date
Jan 19, 2012
Applied Micro Circuits Corporation
Dariush Dabiri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Narrowband Interference Cancellation Method and Circuit
Publication number
20120014416
Publication date
Jan 19, 2012
Applied Micro Circuits Corporation
Dariush Dabiri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Adaptive Narrowband Interference Prediction Circuit and Method
Publication number
20120014487
Publication date
Jan 19, 2012
Applied Micro Circuits Corporation
Dariush Dabiri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD AND APPARATUS OF ADAPTIVELY CANCELING A FUNDAMENTAL FREQUENC...
Publication number
20120011183
Publication date
Jan 12, 2012
Michael P. Nowak
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
BLIND ADAPTIVE FILTER FOR NARROWBAND INTERFERENCE CANCELLATION
Publication number
20110305306
Publication date
Dec 15, 2011
MONTAGE TECHNOLOGY (SHANGHAI) CO. LTD.
Gang Hu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ADAPTIVE NOTCH FILTER
Publication number
20100312365
Publication date
Dec 9, 2010
University of Southern California
JASON LEVIN
G05 - CONTROLLING REGULATING
Information
Patent Application
Multi-channel digital feedback reducer system
Publication number
20040179387
Publication date
Sep 16, 2004
Shure Incorporated
Mathew T. Abraham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Receiver having an adaptive filter and method of optimising the filter
Publication number
20030007553
Publication date
Jan 9, 2003
Koninklijke Philips Electronics N.V.
Robert Fifield
H04 - ELECTRIC COMMUNICATION TECHNIQUE