H04L 27/201
In which the allowed phase changes vary with time
Official title: {in which the allowed phase changes vary with time, e.g. multi-h modulation}
H04L27/201 (In which the allowed phase changes vary with time) appears on 13 US grants and 13 published applications in this corpus.
Search patents in H04L- Granted patents
- 13
- Published applications
- 13
- Assignees
- 14
- Inventors
- 28
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Techniques for phase-ramped binary phase shift keying modulation for communication16 Dec 2025US 12,500,805 B1QUALCOMM Incorporated
- Modulation index adjustment21 Jan 2020US 10,541,721 B2Analog Devices Global Unlimited Company
- Radio network node, wireless device and methods thereof using GMSK modulation applying negative modulation index23 Jul 2019US 10,361,893 B2Telefonaktiebolaget LM Ericsson (publ)
- Transceiver arrangement and communication device20 Feb 2018US 9,900,044 B2Telefonaktiebolaget LM Ericsson (publ)
- Modulation index shift signaling19 Dec 2017US 9,847,895 B2Telefonaktiebolaget LM Ericsson (publ)
- Method for wireless communication22 Jan 2026US 2026/0025445 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Radio transmission apparatus and radio reception apparatus5 Nov 2020US 2020/0351135 A1Ntt Docomo, Inc.
- Modulation index adjustment28 Mar 2019US 2019/0097680 A1Analog Devices Global Unlimited Company
- Radio network node, wireless device and methods thereof using gmsk modulation applying negative modulation index22 Jun 2017US 2017/0180173 A1Telefonaktiebolaget LM Ericsson (publ)
- Transceiver arrangement and communication device5 Jan 2017US 2017/0005696 A1Telefonaktiebolaget L M Ericsson
Most cited
By later US patents
- Method and apparatus for controlling the modulation index of continuous phase modulated (CPM) signals38US 5,832,022 AOmnipoint Corporation · 1998
- Transceiver arrangement and communication device17US 9,900,044 B2Telefonaktiebolaget LM Ericsson (publ) · 2018
- Serial minimum shift-keyed modem4US 4,656,646 AMotorola, Inc. · 1987
- Reduced state trellis decoder using programmable trellis parameters3US 7,831,893 B2Harris Corporation · 2010
- System and method for coherent multi-h continuous phase modulation waveform2US 7,421,006 B2Harris Corporation · 2008