H04L 27/106
M-ary fsk
Official title: {M-ary FSK}
H04L27/106 (M-ary fsk) appears on 59 US grants and 49 published applications in this corpus.
Search patents in H04L- Granted patents
- 59
- Published applications
- 49
- Assignees
- 42
- Inventors
- 133
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 5 |
| 2015 | 4 | 7 |
| 2016 | 5 | 4 |
| 2017 | 4 | 6 |
| 2018 | 7 | 1 |
| 2019 | 5 | 0 |
| 2020 | 1 | 4 |
| 2021 | 3 | 2 |
| 2022 | 5 | 6 |
| 2023 | 7 | 4 |
| 2024 | 3 | 2 |
| 2025 | 1 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data transmission method and device in wireless power transmission system17 Mar 2026US 12,580,428 B2LG Electronics Inc.
- Downhole safety switch and communication protocol10 Mar 2026US 12,571,304 B1Acuity Technical Designs, LLC
- Low-level communication between energy prosumers in a DC microgrid8 Jul 2025US 12,355,237 B2University of South Carolina
- Downhole safety switch and communication protocol12 Nov 2024US 12,140,022 B1Acuity Technical Designs, LLC
- Apparatus and method for optical wireless communication based on color M-ary frequency shift keying27 Aug 2024US 12,074,645 B2Kookmin University Industry Academy Cooperation Foundation
- Gauss frequency shift keying (gfsk) signal receiving method and apparatus, electronic device, and storage medium13 Aug 2026US 2026/0238524 A1Guangzhou Anyka Microelectronics Co., Ltd.
- Reflection modulation via subcarrier indices30 Jul 2026US 2026/0223129 A1QUALCOMM Incorporated
- Transmitter-assisted harmonic avoidance at wireless nodes30 Jul 2026US 2026/0223153 A1QUALCOMM Incorporated
- Data transmission method and device in wireless power transmission system16 Jul 2026US 2026/0204956 A1LG Electronics Inc.
- Data transmission method and device in wireless power transmission system5 Mar 2026US 2026/0066713 A1LG Electronics Inc.
Most cited
By later US patents
- Method and apparatus for generating threshold levels in a radio communication device for receiving four-level signals31US 5,425,056 AMotorola, Inc. · 1995
- Device operable like an automatic level control circuit for decoding a multivalued signal26US 4,841,301 ANEC Corporation · 1989
- Frequency agile method for transmitting multi-level data22US 5,323,125 AMotorola, Inc. · 1994
- Decision-directed, automatic frequency control technique for non-coherently demodulated M-ARY frequency shift keying21US 4,518,922 AHarris Corporation · 1985
- Multilevel FSK modulator having phase locked loop with controlled transient response21US 5,329,258 ANEC Corporation · 1994