H04H 20/79
Using downlink of the catv systems
Official title: using downlink of the CATV systems, e.g. audio broadcast via CATV network
H04H20/79 (Using downlink of the catv systems) appears on 229 US grants and 177 published applications in this corpus.
Search patents in H04H- Granted patents
- 229
- Published applications
- 177
- Assignees
- 68
- Inventors
- 218
- Latest grant
- 9 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 19 | 7 |
| 2002 | 11 | 17 |
| 2003 | 16 | 6 |
| 2004 | 3 | 4 |
| 2005 | 4 | 4 |
| 2006 | 8 | 2 |
| 2007 | 3 | 56 |
| 2008 | 20 | 32 |
| 2009 | 14 | 15 |
| 2010 | 13 | 4 |
| 2011 | 14 | 6 |
| 2012 | 10 | 4 |
| 2013 | 9 | 3 |
| 2014 | 6 | 4 |
| 2015 | 3 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- MoCA entry device9 May 2023US 11,647,162 B2Ppc Broadband, Inc.
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- System and method for transmitting radio stations on cable networks with increased data traffic in the VHF range4 May 2021US 10,998,990 B2Sumatronic AG
- MoCA entry device3 Mar 2020US 10,582,160 B2Ppc Broadband, Inc.
- Universal remote radio head18 Feb 2020US 10,567,044 B2CommScope Technologies LLC
- Moca entry device11 Nov 2021US 2021/0352246 A1Ppc Broadband, Inc.
- An arrangement for catv amplifier control26 Aug 2021US 2021/0265954 A1Teleste Oyj
- System and method for transmitting radio stations on cable networks with increased data traffic in the vhf range19 Nov 2020US 2020/0366394 A1Sumatronic AG
- Moca entry device4 Jun 2020US 2020/0177839 A1Ppc Broadband, Inc.
- Universal remote radio head14 Mar 2019US 2019/0081662 A1CommScope Technologies LLC
Most cited
By later US patents
- Television program delivery system971US 5,559,549 ADiscovery Communications, Inc. · 1996
- Advanced set top terminal for cable television delivery systems699US 5,990,927 ADiscovery Communications, Inc. · 1999
- Set top terminal for cable television delivery systems688US 5,734,853 ADiscovery Communications, Inc. · 1998
- System and method for subscriber interactivity in a television system507US 5,539,822 AScientific-Atlanta, Inc. · 1996
- Digital cable headend for cable television delivery system450US 5,682,195 ADiscovery Communications, Inc. · 1997