H04L 25/22
Repeaters for converting two wires to four wires
Official title: Repeaters for converting two wires to four wires; Repeaters for converting single current to double current
H04L25/22 (Repeaters for converting two wires to four wires) appears on 38 US grants and 13 published applications in this corpus.
Search patents in H04L- Granted patents
- 38
- Published applications
- 13
- Assignees
- 33
- Inventors
- 63
- Latest grant
- 28 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 4 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and related method to synchronize operation of serial repeater28 Jun 2022US 11,374,732 B2Marvell Asia Pte Ltd
- Transmission of control information in a wireless network with carrier aggregation31 Dec 2019US 10,524,262 B2QUALCOMM Incorporated
- Method for configuring a backhaul link subframe in a wireless communication system to which a carrier aggregation scheme is applied and an apparatus for the same23 May 2017US 9,660,749 B2LG Electronics Inc.
- Transmission of control information in a wireless network with carrier aggregation6 Dec 2016US 9,515,808 B2QUALCOMM Incorporated
- Radio relay apparatus, radio communication method and processer for controlling radio relay apparatus25 Oct 2016US 9,479,370 B2KYOCERA Corporation
- Apparatus and related method to synchronize operation of serial repeater6 Jan 2022US 2022/0006462 A1Marvell Asia Pte Ltd
- Transmission of control information in a wireless network with carrier aggregation12 Jan 2017US 2017/0013625 A1QUALCOMM Incorporated
- Method for configuring a backhaul link subframe in a wireless communication system to which a carrier aggregation scheme is applied and an apparatus for the same27 Oct 2016US 2016/0315727 A1LG Electronics Inc.
- Method for configuring a backhaul link subframe in a wireless communication system to which a carrier aggregation scheme is applied and an apparatus for the same10 Dec 2015US 2015/0358140 A1LG Electronics Inc.
- Radio relay apparatus, radio communication method and processer for controlling radio relay apparatus1 Jan 2015US 2015/0003300 A1KYOCERA Corporation
Most cited
By later US patents
- Orthogonal vector DSL79US 8,279,745 B2Telefonaktiebolaget'l M Ericsson (Publ) · 2012
- Three-level to two-level decoder56US 4,097,859 ABurroughs Corporation · 1978
- Asymmetric digital subscriber line methods suitable for long subscriber loops32US 6,507,606 B2Symmetrican, Inc. · 2003
- System, method and program product for extending range of a bidirectional data communication bus32US 7,088,137 B2International Business Machines Corporation · 2006
- Ternary to binary converter30US 4,243,976 AThe Singer Company · 1981