H04B 1/667
Using a division in frequency subbands
Official title: {using a division in frequency subbands (for TV signals H04N19/63)}
H04B1/667 (Using a division in frequency subbands) appears on 253 US grants and 77 published applications in this corpus.
Search patents in H04B- Granted patents
- 253
- Published applications
- 77
- Assignees
- 90
- Inventors
- 311
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 11 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 15 | 0 |
| 1997 | 17 | 0 |
| 1998 | 25 | 0 |
| 1999 | 19 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 1 |
| 2002 | 12 | 6 |
| 2003 | 2 | 6 |
| 2004 | 8 | 10 |
| 2005 | 2 | 3 |
| 2006 | 2 | 5 |
| 2007 | 4 | 2 |
| 2008 | 5 | 10 |
| 2009 | 1 | 2 |
| 2010 | 3 | 2 |
| 2011 | 4 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 5 |
| 2019 | 6 | 3 |
| 2020 | 1 | 1 |
| 2021 | 2 | 5 |
| 2022 | 4 | 2 |
| 2023 | 4 | 2 |
| 2024 | 2 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Configurable filter for asymmetrical radio frequency communication7 Jul 2026US 12,676,638 B2Skyworks Solutions, Inc.
- Data compression apparatus, data decompression apparatus, data compression system, control circuit, storage medium, data compression method, and data decompression method29 Jul 2025US 12,375,192 B2Mitsubishi Electric Corporation
- System and method for processing audio data into a plurality of frequency components3 Sep 2024US 12,080,303 B2Immersion Networks, Inc.
- Fraud prevention via distinctive URL display5 Mar 2024US 11,924,242 B2Huawei Technologies Co., Ltd.
- System and method for processing audio data into a plurality of frequency components21 Nov 2023US 11,823,691 B2Immersion Networks, Inc.
- Trigger frame for dynamic sub-band operation21 Aug 2025US 2025/0266859 A1Samsung Electronics Co., Ltd.
- Trigger frame for dynamic sub-band operation10 Jul 2025US 2025/0227016 A1Samsung Electronics Co., Ltd.
- System and method for processing audio data14 Mar 2024US 2024/0087583 A1Immersion Networks, Inc.
- Configurable filter for asymmetrical radio frequency communication7 Mar 2024US 2024/0080048 A1Skyworks Solutions, Inc.
- Signal forwarding method and apparatus25 Jan 2024US 2024/0031005 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Coder for incorporating an auxiliary information signal in a digital audio signal, decoder for recovering such signals from the combined signal, and record carrier having such combined signal recorded thereon325US 5,161,210 AU. S. Philips Corporation · 1992
- Source coding enhancement using spectral-band replication314US 6,680,972 B1Coding Technologies Sweden AB · 2004
- Subband coded digital transmission system using some composite signals222US 5,606,618 AU. S. Philips Corporation · 1997
- Object oriented audio coding203US 6,108,626 ACSELT - Centro Studi e Laboratori Telecomunicazioni S.p.A. · 2000
- Subband coded digital transmission system using some composite signals197US 5,539,829 AU. S. Philips Corporation · 1996