H04L 5/08
Each combination of signals in different channels being represented by a fixed
Official title: each combination of signals in different channels being represented by a fixed frequency
H04L5/08 (Each combination of signals in different channels being represented by a fixed) appears on 104 US grants and 93 published applications in this corpus.
Search patents in H04L- Granted patents
- 104
- Published applications
- 93
- Assignees
- 51
- Inventors
- 99
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 3 | 2 |
| 2012 | 0 | 7 |
| 2013 | 1 | 9 |
| 2014 | 7 | 15 |
| 2015 | 18 | 18 |
| 2016 | 16 | 9 |
| 2017 | 8 | 6 |
| 2018 | 12 | 2 |
| 2019 | 5 | 5 |
| 2020 | 9 | 4 |
| 2021 | 4 | 3 |
| 2022 | 3 | 2 |
| 2023 | 4 | 3 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Telecommunications apparatus and methods18 Feb 2025US 12,231,373 B2Sony Group Corporation
- Processor-implemented method, computing system and computer program for invoking a search20 Feb 2024US 11,907,316 B2
- Infection risk and illness alerting method28 Nov 2023US 11,826,180 B2Aura Home, Inc.
- Time scaled infection risk and illness assessment method7 Nov 2023US 11,806,171 B2Aura Home, Inc.
- Telecommunications apparatus and methods18 Apr 2023US 11,632,222 B2Sony Corporation
- Telecommunications apparatus and methods12 Jun 2025US 2025/0192970 A1Sony Group Corporation
- Telecommunications apparatus and methods10 Aug 2023US 2023/0254099 A1Sony Group Corporation
- Infection risk and illness alerting method23 Mar 2023US 2023/0091224 A1Aura Home, Inc.
- Time scaled infection risk and illness assessment method9 Mar 2023US 2023/0072569 A1Aura Home, Inc.
- Infection risk and illness assessment method18 Aug 2022US 2022/0257200 A1Aura Home, Inc.
Most cited
By later US patents
- Communications apparatus and method for transmitting and receiving multiple modulated signals over electrical lines172US 5,351,272 A1994
- Intelligent keyboard system123US 6,169,789 A2001
- Secure system for electronic voting112US 7,237,717 B1IP Holdings, LLC · 2007
- Method for providing gastronomic information and instruction with an internet server using mobile communications or computing devices and intelligent appliances72US 6,865,261 B12005
- Near-end, far-end and echo cancellers in a multi-channel transceiver system53US 7,613,234 B2Entropic Communications, Inc. · 2009