H04L 1/246
Two-level transmission codes
Official title: {two-level transmission codes, e.g. binary}
H04L1/246 (Two-level transmission codes) appears on 51 US grants and 26 published applications in this corpus.
Search patents in H04L- Granted patents
- 51
- Published applications
- 26
- Assignees
- 44
- Inventors
- 111
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 3 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 4 |
| 2021 | 1 | 2 |
| 2022 | 4 | 2 |
| 2023 | 2 | 2 |
| 2024 | 3 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-level coding for uplink transmissions8 Jul 2025US 12,356,409 B2QUALCOMM Incorporated
- Mutual information based channel decoder power savings31 Dec 2024US 12,184,410 B2QUALCOMM Incorporated
- Introduction and detection of erroneous stop condition in a single UART20 Aug 2024US 12,068,854 B2Microchip Technology Incorporated
- Method and apparatus for wireless communications23 Jan 2024US 11,882,062 B2NXP USA, Inc.
- Failure detection apparatus and method and non-transitory computer-readable storage medium26 Sep 2023US 11,770,213 B2Kabushiki Kaisha Toshiba
- Mutual information based channel decoder power savings25 Jan 2024US 2024/0031055 A1QUALCOMM Incorporated
- Multi-level coding for uplink transmissions4 Jan 2024US 2024/0008042 A1QUALCOMM Incorporated
- Channel aware set partitioning for multi-level coding3 Aug 2023US 2023/0246732 A1QUALCOMM Incorporated
- Introduction and Detection of Erroneous Stop Condition in a Single UART30 Mar 2023US 2023/0101045 A1Microchip Technology Incorporated
- Failure detection apparatus and method and non-transitory computer-readable storage medium23 Jun 2022US 2022/0200731 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Method of and apparatus for monitoring digital transmission systems in which line transmission errors are detected60US 4,363,123 ANorthern Telecom Limited · 1982
- Method and dedicated frame buffer for loop initialization and responses36US 6,502,189 B1Seagate Technology LLC · 2002
- Communications system having dedicated frame buffers located in a channel node connected to two ports of the channel node for receiving frames35US 6,279,057 B1Seagate Technology LLC · 2001
- Method and apparatus for using CRC for data integrity in on-chip memory30US 6,324,669 B1Seagate Technology LLC · 2001
- High-speed serial data communication system23US 6,549,595 B1Koninklijke Philips Electronics N. V. · 2003