H04B 15/04
The interference being caused by substantially sinusoidal oscillations
Official title: the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
H04B15/04 (The interference being caused by substantially sinusoidal oscillations) appears on 612 US grants and 564 published applications in this corpus.
Search patents in H04B- Granted patents
- 612
- Published applications
- 564
- Assignees
- 321
- Inventors
- 1,367
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 16 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 3 |
| 2002 | 10 | 18 |
| 2003 | 14 | 31 |
| 2004 | 18 | 17 |
| 2005 | 12 | 23 |
| 2006 | 28 | 25 |
| 2007 | 20 | 20 |
| 2008 | 23 | 26 |
| 2009 | 9 | 8 |
| 2010 | 15 | 20 |
| 2011 | 21 | 26 |
| 2012 | 24 | 26 |
| 2013 | 23 | 41 |
| 2014 | 46 | 48 |
| 2015 | 48 | 42 |
| 2016 | 50 | 34 |
| 2017 | 32 | 25 |
| 2018 | 37 | 29 |
| 2019 | 30 | 24 |
| 2020 | 32 | 26 |
| 2021 | 18 | 10 |
| 2022 | 9 | 8 |
| 2023 | 5 | 9 |
| 2024 | 8 | 7 |
| 2025 | 5 | 13 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-interference method and apparatus for DSS, and electronic device and storage medium7 Apr 2026US 12,598,633 B2Zte Corporation
- Spur suppression for millimeter wave (mmW) receiver24 Feb 2026US 12,562,765 B2QUALCOMM Incorporated
- Method and apparatus for facilitating antenna calibration24 Feb 2026US 12,562,775 B2Telefonaktiebolaget LM Ericsson (publ)
- Dynamic configuration of spur cancellation9 Dec 2025US 12,494,775 B2Apple Inc.
- Programmatic control of device I/O, EMF quiet mode, zone, signaling, and protocol19 Aug 2025US 12,393,528 B2
- Millimeter wave multi-access point communication system1 Oct 2026US 2026/0303130 A1
- Transmit spectral shaping for reducing distortion in a receiver9 Jul 2026US 2026/0197027 A1Telefonaktiebolaget LM Ericsson (publ)
- Spread spectrum clocking settings adjusting method and wireless packet receiving method9 Jul 2026US 2026/0197096 A1Realtek Semiconductor Corp.
- Electromagnetic interference shield having mesh grid ground fence metallization pattern1 Jan 2026US 2026/0005154 A1QUALCOMM Incorporated
- Physical Uplink Shared Channel (PUSCH) Transmission Based on Robust Codebook1 Jan 2026US 2026/0005746 A1Apple Inc.
Most cited
By later US patents
- Method and apparatus for transporting auxiliary data in audio signals346US 5,822,360 ASolana Technology Development Corporation · 1998
- DC-DC converter with reduced electromagnetic interference166US 6,969,978 B2RF Micro Devices, Inc. · 2005
- Method and apparatus for embedding auxiliary data in a primary data signal165US 5,937,000 ASolana Technology Development Corporation · 1999
- Portable information terminal having wireless communication device134US 6,763,254 B2Matsushita Electric Industrial Co., Ltd. · 2004
- Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking117US 6,366,174 B1Lexmark International, Inc. · 2002