H04L 27/2003
For continuous phase modulation
Official title: {for continuous phase modulation (frequency shift keying H04L27/10)}
H04L27/2003 (For continuous phase modulation) appears on 591 US grants and 444 published applications in this corpus.
Search patents in H04L- Granted patents
- 591
- Published applications
- 444
- Assignees
- 283
- Inventors
- 942
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 3 | 0 |
| 1997 | 11 | 0 |
| 1998 | 21 | 0 |
| 1999 | 13 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 6 |
| 2002 | 15 | 6 |
| 2003 | 8 | 17 |
| 2004 | 13 | 26 |
| 2005 | 11 | 22 |
| 2006 | 23 | 27 |
| 2007 | 15 | 26 |
| 2008 | 29 | 30 |
| 2009 | 26 | 21 |
| 2010 | 28 | 21 |
| 2011 | 18 | 13 |
| 2012 | 21 | 19 |
| 2013 | 15 | 15 |
| 2014 | 20 | 10 |
| 2015 | 24 | 14 |
| 2016 | 21 | 26 |
| 2017 | 24 | 27 |
| 2018 | 19 | 19 |
| 2019 | 31 | 25 |
| 2020 | 21 | 16 |
| 2021 | 18 | 14 |
| 2022 | 10 | 13 |
| 2023 | 11 | 4 |
| 2024 | 7 | 12 |
| 2025 | 11 | 7 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Signal processing method and apparatus22 Sep 2026US 12,744,696 B2Huawei Technologies Co., Ltd.
- Transmission and reception without precise timing capability1 Sep 2026US 12,726,390 B2Samsung Electronics Co., Ltd.
- Method and apparatus for calculating signal quality value according to reference signal and signal under test that is derived from predetermined signal processing of reference signal28 Jul 2026US 12,696,119 B2Airoha Technology Corp.
- Peak to average power ratio reduction in wireless communication systems10 Feb 2026US 12,549,426 B2Nokia Corporation
- Bit rate-adapting resoswitch27 Jan 2026US 12,537,147 B2The Regents of the University of California
- Gauss frequency shift keying (gfsk) signal receiving method and apparatus, electronic device, and storage medium13 Aug 2026US 2026/0238524 A1Guangzhou Anyka Microelectronics Co., Ltd.
- Knowledge tracing device, method, and program28 May 2026US 2026/0148095 A1NEC Corporation
- Frequency modulation detection systems, devices, and methods14 May 2026US 2026/0135741 A1The MITRE Corporation
- High throughput communication system for rail applications at 44MHz14 May 2026US 2026/0135742 A1Meteorcomm LLC
- Knowledge tracing device, method, and program26 Mar 2026US 2026/0087376 A1NEC Corporation
Most cited
By later US patents
- Digital compensation for wideband modulation of a phase locked loop frequency synthesizer313US 6,008,703 AMassachusetts Institute of Technology · 1999
- Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems215US 6,470,055 B12002
- Method and system for block ARQ with reselection of FEC coding and/or modulation194US 6,208,663 B1Telefonaktiebolaget LM Ericsson (publ) · 2001
- Transmitter for encoded data bits161US 5,815,531 AEricsson Inc. · 1998
- Cardiac stimulation control and communication system154US 7,949,405 B22011