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Variable filters; Programmable filters
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Patents Grants
last 30 patents
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Patent Grant
Digital filterbank for spectral envelope adjustment
Patent number
12,159,642
Issue date
Dec 3, 2024
DOLBY INTERNATIONAL AB
Per Ekstrand
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Resampling output signals of QMF based audio codecs
Patent number
12,154,583
Issue date
Nov 26, 2024
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Filter system and operation method thereof
Patent number
12,088,325
Issue date
Sep 10, 2024
Dynami Vision Ltd.
Shih-Lun Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Resampling output signals of QMF based audio codec
Patent number
11,961,531
Issue date
Apr 16, 2024
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
System and method for adaptive filtering
Patent number
11,817,921
Issue date
Nov 14, 2023
Telefonaktiebolaget LM Ericsson (publ)
Hao Gao
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Resampling output signals of QMF based audio codecs
Patent number
11,810,584
Issue date
Nov 7, 2023
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Resampling output signals of QMF based audio codecs
Patent number
11,804,232
Issue date
Oct 31, 2023
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Resampling output signals of QMF based audio codecs
Patent number
11,790,928
Issue date
Oct 17, 2023
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Methods and apparatus of charge-sharing locking with digital contro...
Patent number
11,742,865
Issue date
Aug 29, 2023
Taiwan Semiconductor Manufacturing Company, Ltd
Min-Shueh Yuan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital filterbank for spectral envelope adjustment
Patent number
11,735,198
Issue date
Aug 22, 2023
DOLBY INTERNATIONAL AB
Per Ekstrand
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Resampling output signals of QMF based audio codec
Patent number
11,676,615
Issue date
Jun 13, 2023
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Digital interpolation filter, corresponding rhythm changing device...
Patent number
11,652,472
Issue date
May 16, 2023
B<>COM
Stéphane Paquelet
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Beam generator, beam generating method, and chip
Patent number
11,626,859
Issue date
Apr 11, 2023
Montage LZ Technologies (Chengdu) Co., Ltd.
Gang Hu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Signal filtering
Patent number
11,545,167
Issue date
Jan 3, 2023
Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
Goran Markovic
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Reconfigurable gallium nitride (GaN) rotating coefficients FIR filt...
Patent number
11,522,525
Issue date
Dec 6, 2022
Raytheon Company
Ajay Subramanian
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Resampling output signals of QMF based audio codec
Patent number
11,475,905
Issue date
Oct 18, 2022
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Signal frequency and bandwidth estimation using a learned filter pa...
Patent number
11,444,643
Issue date
Sep 13, 2022
The Boeing Company
Gary A. Ray
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Filter coefficient updating in time domain filtering
Patent number
11,373,670
Issue date
Jun 28, 2022
Dolby Laboratories Licensing Corporation
Dong Shi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Resampling output signals of QMF based audio codecs
Patent number
11,361,779
Issue date
Jun 14, 2022
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Frequency encryption for communication signals
Patent number
11,310,043
Issue date
Apr 19, 2022
Rolls-Royce Corporation
John Joseph Costello
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of operating a leaky integrator, leaky integrator and appara...
Patent number
11,290,656
Issue date
Mar 29, 2022
STMicroelectronics (Research & Development) Limited
Brian Douglas Stewart
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital filterbank for spectral envelope adjustment
Patent number
11,107,487
Issue date
Aug 31, 2021
Dolby International AB
Per Ekstrand
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Using a multi-tone signal to tune a multi-stage low-noise amplifier
Patent number
11,070,196
Issue date
Jul 20, 2021
INNOPHASE INC.
Nicolo Testi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Echo cancellation for time of flight analogue to digital converter
Patent number
10,825,671
Issue date
Nov 3, 2020
Micromass UK Limited
Martin Raymond Green
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal removal to examine a spectrum of another signal
Patent number
10,783,430
Issue date
Sep 22, 2020
The Boeing Company
Peter S. Wittenberg
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Filter coefficient calculation device, signal generation device inc...
Patent number
10,778,192
Issue date
Sep 15, 2020
Anritsu Corporation
Yasuo Hosaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and device for adjusting passband width of filter
Patent number
10,622,971
Issue date
Apr 14, 2020
Beijing BOE Optoelectronics Technology Co., Ltd
Zhenghua Lu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Modified digital filtering with sample zoning
Patent number
10,536,136
Issue date
Jan 14, 2020
Lachlan Paul Barratt
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-channel morphing digital audio filter
Patent number
10,514,883
Issue date
Dec 24, 2019
Rossum Electro-Music, LLC
David Rossum
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Filter switching method for a machine control system
Patent number
10,491,195
Issue date
Nov 26, 2019
Siemens Aktiengesellschaft
Klaus Geissdörfer
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
DETECTOR DEVICE
Publication number
20240275365
Publication date
Aug 15, 2024
NXP B.V.
Gijsbert Willem Hardeman
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD OF USING IIR FILTERS FOR THE PURPOSE OF ALLOWING ONE AUDIO S...
Publication number
20240236609
Publication date
Jul 11, 2024
AUDIO IMPRESSIONS, INC.
Christopher L. Stone
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FILTER CIRCUIT
Publication number
20240204754
Publication date
Jun 20, 2024
RENESAS ELECTRONICS CORPORATION
Nishant Singh THAKUR
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SETTING METHOD OF FILTER COEFFICIENTS AND RELATED FILTER DEVICE
Publication number
20240106416
Publication date
Mar 28, 2024
Safwan AREKAT
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIGITAL FILTERBANK FOR SPECTRAL ENVELOPE ADJUSTMENT
Publication number
20240055010
Publication date
Feb 15, 2024
DOLBY INTERNATIONAL AB
Per Ekstrand
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
Publication number
20240046942
Publication date
Feb 8, 2024
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
SYSTEM AND METHOD FOR ADAPTIVE FILTERING
Publication number
20240039585
Publication date
Feb 1, 2024
Telefonaktiebolaget LM Ericsson (publ)
Hao Gao
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHODS AND APPARATUS OF CHARGE-SHARING LOCKING WITH DIGITAL CONTRO...
Publication number
20240022255
Publication date
Jan 18, 2024
Taiwan Semiconductor Manufacturing Company, Ltd.
Min-Shueh YUAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIGITAL FILTER CIRCUIT
Publication number
20230179179
Publication date
Jun 8, 2023
ROHDE & SCHWARZ GMBH & CO. KG
Michael Vonbun
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHODS AND APPARATUS OF CHARGE-SHARING LOCKING WITH DIGITAL CONTRO...
Publication number
20230052899
Publication date
Feb 16, 2023
Taiwan Semiconductor Manufacturing Company, Ltd.
Min-Shueh YUAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
BEAM GENERATOR, BEAM GENERATING METHOD, AND CHIP
Publication number
20230029390
Publication date
Jan 26, 2023
Montage LZ Technologies (Chengdu) Co., Ltd.
Gang HU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Active Temperature Compensation Technique for Structural Health Mon...
Publication number
20220390418
Publication date
Dec 8, 2022
The Boeing Company
Morteza Safai
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC
Publication number
20220262382
Publication date
Aug 18, 2022
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC
Publication number
20220262381
Publication date
Aug 18, 2022
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC
Publication number
20220262380
Publication date
Aug 18, 2022
Fraunhofer-Gesellschaft zur Foerderung der angewandfen Forschung e.V.
Markus LOHWASSER
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC
Publication number
20220262383
Publication date
Aug 18, 2022
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Digital Filterbank for Spectral Envelope Adjustment
Publication number
20220059111
Publication date
Feb 24, 2022
DOLBY INTERNATIONAL AB
Per Ekstrand
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Signal Frequency and Bandwidth Estimation Using a Learned Filter Pa...
Publication number
20210336644
Publication date
Oct 28, 2021
The Boeing Company
Gary A. RAY
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SYSTEM AND METHOD FOR ADAPTIVE FILTERING
Publication number
20210203386
Publication date
Jul 1, 2021
Telefonaktiebolaget LM Ericsson (publ)
Hao Gao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
Publication number
20210174816
Publication date
Jun 10, 2021
Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
Publication number
20210166709
Publication date
Jun 3, 2021
Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
Publication number
20210166710
Publication date
Jun 3, 2021
Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
Markus Lohwasser
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
DIGITAL INTERPOLATION FILTER, CORRESPONDING RHYTHM CHANGING DEVICE...
Publication number
20210111707
Publication date
Apr 15, 2021
B-COM
Stéphane Paquelet
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Signal filtering
Publication number
20200335118
Publication date
Oct 22, 2020
Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
Goran MARKOVIC
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
USING A MULTI-TONE SIGNAL TO TUNE A MULTI-STAGE LOW-NOISE AMPLIFIER
Publication number
20200220526
Publication date
Jul 9, 2020
Innophase, Inc.
Nicolo Testi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FREQUENCY ENCRYPTION FOR COMMUNICATION SIGNALS
Publication number
20200220722
Publication date
Jul 9, 2020
Rolls-Royce Corporation
John Joseph Costello
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Digital Filterbank for Spectral Envelope Adjustment
Publication number
20200066292
Publication date
Feb 27, 2020
DOLBY INTERNATIONAL AB
Per Ekstrand
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
FILTER COEFFICIENT UPDATING IN TIME DOMAIN FILTERING
Publication number
20190325891
Publication date
Oct 24, 2019
Dolby Laboratories Licensing Corporation
Dong SHI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
ECHO CANCELLATION FOR TIME OF FLIGHT ANALOGUE TO DIGITAL CONVERTER
Publication number
20190279852
Publication date
Sep 12, 2019
Micromass UK Limited
Martin Raymond Green
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
Publication number
20190259405
Publication date
Aug 22, 2019
Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
Markus Lohwasser
H03 - BASIC ELECTRONIC CIRCUITRY