H04L 27/06
Demodulator circuits
Official title: Demodulator circuits; Receiver circuits
H04L27/06 (Demodulator circuits) appears on 1,006 US grants and 898 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,006
- Published applications
- 898
- Assignees
- 405
- Inventors
- 1,640
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 16 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 21 | 5 |
| 2002 | 19 | 17 |
| 2003 | 9 | 14 |
| 2004 | 20 | 33 |
| 2005 | 22 | 45 |
| 2006 | 19 | 26 |
| 2007 | 28 | 29 |
| 2008 | 20 | 37 |
| 2009 | 34 | 35 |
| 2010 | 31 | 47 |
| 2011 | 32 | 31 |
| 2012 | 52 | 38 |
| 2013 | 43 | 41 |
| 2014 | 47 | 49 |
| 2015 | 54 | 49 |
| 2016 | 57 | 43 |
| 2017 | 54 | 46 |
| 2018 | 46 | 46 |
| 2019 | 60 | 68 |
| 2020 | 51 | 39 |
| 2021 | 42 | 28 |
| 2022 | 43 | 32 |
| 2023 | 25 | 29 |
| 2024 | 19 | 24 |
| 2025 | 24 | 24 |
| 2026 | 18 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modulation signal processing apparatus and method, and microcontroller unit and electronic device6 Oct 2026US 12,756,605 B2Zhejiang Geoforcechip Technology Co., Ltd.
- Communications operations in wireless power systems29 Sep 2026US 12,749,929 B2Apple Inc.
- Pairing modulation8 Sep 2026US 12,732,403 B2Vestel Elektronik Sanayi Ve Ticaret A.S.
- Methods and apparatus to structure envelope detector circuitry for on-off keying modulation11 Aug 2026US 12,706,789 B2Texas Instruments Incorporated
- System and method for sampling signals21 Jul 2026US 12,689,383 B2ViaSat, Inc.
- Extended symbol decoding1 Oct 2026US 2026/0303419 A1Microchip Technology Incorporated
- Low Cost Communications Demodulation for Wireless Power System3 Sep 2026US 2026/0261155 A1NuCurrent, Inc.
- Multiband radio systems and methods with dual triplexers and single front-to-back end coaxial connector cable13 Aug 2026US 2026/0238367 A1GM Global Technology Operations LLC
- Bit sequence preprocessing methods, ook symbol generation method, and apparatus13 Aug 2026US 2026/0238523 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Communication method and apparatus, and storage medium30 Jul 2026US 2026/0222254 A1Zte Corporation
Most cited
By later US patents
- Method and apparatus for optimization of wireless communications231US 5,822,373 APittway Corporation · 1998
- VSB reception system with enhanced signal detection for processing supplemental data202US 6,760,077 B2LG Electronics Inc. · 2004
- Method and system for down-converting electromagnetic signals185US 6,061,551 AParkerVision, Inc. · 2000
- Digital communication system for transmitting and receiving robustly encoded data144US 6,996,133 B2Zenith Electronics Corporation · 2006
- Phase error detecting method and phase tracking loop circuit142US 5,796,786 ASamsung Electronics Co., Ltd. · 1998