H04L 27/16
Frequency regulation arrangements
H04L27/16 (Frequency regulation arrangements) appears on 107 US grants and 90 published applications in this corpus.
Search patents in H04L- Granted patents
- 107
- Published applications
- 90
- Assignees
- 84
- Inventors
- 226
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 3 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 5 |
| 2010 | 3 | 2 |
| 2011 | 0 | 3 |
| 2012 | 5 | 1 |
| 2013 | 2 | 3 |
| 2014 | 4 | 7 |
| 2015 | 8 | 6 |
| 2016 | 5 | 8 |
| 2017 | 9 | 9 |
| 2018 | 7 | 3 |
| 2019 | 10 | 8 |
| 2020 | 5 | 1 |
| 2021 | 2 | 3 |
| 2022 | 4 | 2 |
| 2023 | 5 | 5 |
| 2024 | 3 | 4 |
| 2025 | 2 | 8 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Signal folding method and device13 Jan 2026US 12,525,983 B2Huawei Technologies Co., Ltd.
- Low-power radio transmissions21 Oct 2025US 12,452,114 B2Nordic Semiconductor ASA
- Remote device telemetry and communication26 Aug 2025US 12,401,555 B2
- Orthogonal frequency scheme for narrowband acoustic signaling24 Sep 2024US 12,101,209 B2Sonitor Technologies AS
- Receiver based on multiple frequency-shift keying modulation and receiving method thereof11 Jun 2024US 12,009,955 B2Xiamen Zifisense InfoTech Co., Ltd.
- Overlaid frequency-domain reflection modulation20 Aug 2026US 2026/0246672 A1QUALCOMM Incorporated
- Hybrid hsync transmission for video mode display panels23 Jul 2026US 2026/0214589 A1QUALCOMM Incorporated
- Frequency shifting in low power devices25 Jun 2026US 2026/0180840 A1QUALCOMM Incorporated
- Symbol tracking and timing estimation2 Apr 2026US 2026/0095354 A1AMERGINT Technologies Inc.
- Method for embedding message waveforms within conventionally modulated signals23 Oct 2025US 2025/0330351 A1
Most cited
By later US patents
- Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency115US 5,091,921 ANEC Corporation · 1992
- Methods and apparatus to reduce distortion between electromagnetic wave transmissions99US 10,623,033 B1AT&T Intellectual Property I, L. P. · 2020
- Decoder for a frequency-keyed signal, particularly an FSK-video text signal83US 4,649,551 ATelefunken Fernseh und Rundfunk GmbH · 1987
- Free-traveling manipulator with optical feedback control and methods75US 5,570,992 A1996
- Method and arrangement for synchronizing a receiver in digital transmission systems44US 4,847,872 AANT Nachrichtentechnik GmbH · 1989