H04L 27/0004
Modulated-carrier systems: using wavelets
Official title: {using wavelets}
H04L27/0004 (Modulated-carrier systems: using wavelets) appears on 205 US grants and 180 published applications in this corpus.
Search patents in H04L- Granted patents
- 205
- Published applications
- 180
- Assignees
- 81
- Inventors
- 205
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 4 |
| 2002 | 2 | 3 |
| 2003 | 5 | 18 |
| 2004 | 8 | 15 |
| 2005 | 14 | 26 |
| 2006 | 14 | 18 |
| 2007 | 16 | 14 |
| 2008 | 22 | 22 |
| 2009 | 22 | 9 |
| 2010 | 16 | 9 |
| 2011 | 16 | 4 |
| 2012 | 10 | 3 |
| 2013 | 4 | 3 |
| 2014 | 5 | 5 |
| 2015 | 5 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 5 | 3 |
| 2019 | 4 | 2 |
| 2020 | 5 | 4 |
| 2021 | 4 | 4 |
| 2022 | 4 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of compressed sensing and reconstruction of a spectrally-sparse signal17 Mar 2026US 12,580,586 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Devices, systems, and methods employing polynomial symbol waveforms10 Dec 2024US 12,166,622 B2Astrapi Corporation
- Methods and systems for communicating19 Dec 2023US 11,848,812 B2Astrapi Corporation
- Distributed antenna system24 Oct 2023US 11,799,588 B2SOLiD, INC.
- Devices, systems, and methods employing polynomial symbol waveforms15 Aug 2023US 11,729,041 B2Astrapi Corporation
- A method for remapping a time-continuous signal to one or more time-frequency space coefficients and devices therefore21 May 2026US 2026/0142862 A1
- Deep learning methods and systems for detection of pulse signals14 Nov 2024US 2024/0380483 A1
- Devices, Systems, And Methods Employing Polynomial Symbol Waveforms7 Dec 2023US 2023/0396483 A1Astrapi Corporation
- Method of compressed sensing and reconstruction of a spectrally-sparse signal29 Jun 2023US 2023/0208438 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Methods and systems for communicating19 May 2022US 2022/0158887 A1Astrapi Corporation
Most cited
By later US patents
- Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto674US 5,579,124 AArbitron Inc. · 1996
- Broadband, ultra wideband and ultra narrowband reconfigurable interoperable systems331US 7,421,004 B22008
- Power-line carrier communication apparatus225US 8,072,323 B2Panasonic Corporation · 2011
- Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data219US 5,819,215 A1998
- Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems215US 6,470,055 B12002