H04B 14/046
Systems or methods for reducing noise or bandwidth
Official title: {Systems or methods for reducing noise or bandwidth}
H04B14/046 (Systems or methods for reducing noise or bandwidth) appears on 224 US grants and 29 published applications in this corpus.
Search patents in H04B- Granted patents
- 224
- Published applications
- 29
- Assignees
- 112
- Inventors
- 348
- Latest grant
- 28 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 12 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 18 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 3 |
| 2002 | 6 | 9 |
| 2003 | 9 | 4 |
| 2004 | 6 | 0 |
| 2005 | 3 | 2 |
| 2006 | 4 | 0 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 4 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Communication device and communication system28 May 2024US 11,996,962 B2Rohm Co., Ltd.
- Controlling noise transfer function of signal path to reduce charge pump noise26 Nov 2019US 10,491,997 B2Cirrus Logic, Inc.
- Controlling noise transfer function of signal path to reduce charge pump noise30 Oct 2018US 10,116,473 B1Cirrus Logic, Inc.
- Resynchronization of sample rate converters9 Oct 2018US 10,097,200 B1Analog Devices Global
- Differential signal transmission22 May 2018US 9,979,493 B2CommScope Technologies LLC
- Communication device and communication system2 Feb 2023US 2023/0035309 A1Rohm Co., Ltd.
- Controlling noise transfer function of signal path to reduce charge pump noise1 Nov 2018US 2018/0316525 A1Cirrus Logic International Semiconductor Ltd.
- Controlling noise transfer function of signal path to reduce charge pump noise1 Nov 2018US 2018/0317007 A1
- Differential signal transmission22 Jun 2017US 2017/0180060 A1CommScope Technologies LLC
- System and method for reducing on-chip memory for frame buffer storage in WCDMA receiver3 Sep 2015US 2015/0249508 A1Signalchip Innovations Private Limited
Most cited
By later US patents
- Video and audio multiplex transmission system244US 5,231,492 AFujitsu Limited · 1993
- Object oriented audio coding203US 6,108,626 ACSELT - Centro Studi e Laboratori Telecomunicazioni S.p.A. · 2000
- Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility188US 6,226,616 B1Digital Theater Systems, Inc. · 2001
- Compatible signal encode/decode system178US 5,479,168 APacific Microsonics, Inc. · 1995
- Secure digital speech communication136US 4,680,797 AThe United States of America as represented by the Secretary of the Air Force · 1987