H04L 5/18
Automatic changing of the traffic direction
H04L5/18 (Automatic changing of the traffic direction) appears on 69 US grants and 65 published applications in this corpus.
Search patents in H04L- Granted patents
- 69
- Published applications
- 65
- Assignees
- 56
- Inventors
- 157
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 3 | 2 |
| 2009 | 0 | 1 |
| 2010 | 3 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 4 |
| 2018 | 2 | 2 |
| 2019 | 4 | 11 |
| 2020 | 6 | 5 |
| 2021 | 6 | 4 |
| 2022 | 3 | 4 |
| 2023 | 3 | 3 |
| 2024 | 6 | 7 |
| 2025 | 3 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transmission direction determining method and apparatus, terminal, and network side device7 Apr 2026US 12,598,051 B2Vivo Mobile Communication Co., Ltd.
- Terminal and communication method31 Mar 2026US 12,592,811 B2Ntt Docomo, Inc.
- Methods of scheduling with inactivity in sidelink unicast31 Mar 2026US 12,593,327 B2QUALCOMM Incorporated
- Communications network and methods with enhanced duplex9 Dec 2025US 12,495,398 B2Sharp Kabushiki Kaisha
- Method for reducing power consumption of terminal in mobile communication system using multi-carrier structure30 Sep 2025US 12,432,659 B2Electronics and Telecommunications Research Institute
- Type 0 resource allocation in sub-band full-duplex slots7 May 2026US 2026/0129649 A1QUALCOMM Incorporated
- Method for reducing power consumption of terminal in mobile communication system using multi-carrier structure29 Jan 2026US 2026/0032595 A1Electronics and Telecommunications Research Institute
- Discovery of time division duplex (tdd) configuration of intra-operator and inter-operator cells26 Sep 2024US 2024/0322959 A1Charter Communications Operating, LLC
- Communications network and methods with enhanced duplex4 Jul 2024US 2024/0224240 A1Sharp Kabushiki Kaisha
- Terminal and communication method16 May 2024US 2024/0163071 A1Ntt Docomo, Inc.
Most cited
By later US patents
- High speed half duplex modem with fast turnaround protocol60US 4,894,847 AHayes Microcomputer Products, Inc. · 1990
- Adaptive-allocation of I/O bandwidth using a configurable interconnect topology49US 7,158,536 B2Rambus Inc. · 2007
- Digital multiplexing system remote scanning of a plurality of monitoring points21US 3,938,144 AJohnson Service Company · 1976
- Multidirectional data transmission device21US 5,923,187 AU. S. Philips Corporation · 1999
- Method and apparatus for phase reference recovery in high speed fast turnaround modem19US 4,771,438 AHayes Microcomputer Products, Inc. · 1988