H04H 20/80
Having frequencies in two or more frequency bands
Official title: having frequencies in two or more frequency bands, e.g. medium wave and VHF
H04H20/80 (Having frequencies in two or more frequency bands) appears on 93 US grants and 131 published applications in this corpus.
Search patents in H04H- Granted patents
- 93
- Published applications
- 131
- Assignees
- 20
- Inventors
- 66
- Latest grant
- 30 May 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 1 |
| 2002 | 8 | 14 |
| 2003 | 7 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 4 | 0 |
| 2007 | 1 | 54 |
| 2008 | 20 | 30 |
| 2009 | 11 | 15 |
| 2010 | 6 | 1 |
| 2011 | 8 | 4 |
| 2012 | 7 | 3 |
| 2013 | 5 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- System, medium, and method of encoding/decoding multi-channel audio signals30 May 2017US 9,667,270 B2Samsung Electronics Co., Ltd.
- System, medium, and method of encoding/decoding multi-channel audio signals4 Aug 2015US 9,100,039 B2Samsung Electronics Co., Ltd.
- Systems and method for orthogonal frequency divisional multiplexing28 Jul 2015US 9,094,842 B2HTC Corporation
- System, medium and method of encoding/decoding multi-channel audio signals19 Aug 2014US 8,812,141 B2Samsung Electronics Co., Ltd.
- Systems and method for orthogonal frequency divisional multiplexing28 Jan 2014US 8,638,655 B2HTC Corporation
- Method of transporting digital data over coaxial cable13 May 2021US 2021/0143865 A1Technetix B.V.
- Method of segmenting an access network of a hybrid fiber coaxial network13 May 2021US 2021/0143910 A1Technetix B.V.
- Method of transporting digital data over coaxial cable5 Mar 2020US 2020/0076469 A1Technetix B.V.
- System, medium, and method of encoding/decoding multi-channel audio signals12 Nov 2015US 2015/0325244 A1Samsung Electronics Co., Ltd.
- Systems and method for orthogonal frequency divisional multiplexing17 Apr 2014US 2014/0105263 A1HTC Corporation
Most cited
By later US patents
- Transport of payload information and control messages on multiple orthogonal carriers spread throughout substantially all of a frequency bandwith320US 6,275,990 B1ADC Telecommunications, Inc. · 2001
- Channel selection for a hybrid fiber coax network264US 6,334,219 B1ADC Telecommunications, Inc. · 2001
- Dynamic bandwidth allocation220US 7,069,577 B2SDC Telecommunications, Inc. · 2006
- Dynamic bandwidth allocation205US 6,279,158 B1ADC Telecommunications, Inc. · 2001
- Multi-point to point communication system with remote unit burst identification186US 6,330,241 B1ADC Telecommunications, Inc. · 2001