H04L 25/027
Specifically for telegraph signals
Official title: {specifically for telegraph signals (induction coil interrupters H01H51/34; dynamo-electric generators H02K)}
H04L25/027 (Specifically for telegraph signals) appears on 5 US grants and 6 published applications in this corpus.
Search patents in H04L- Granted patents
- 5
- Published applications
- 6
- Assignees
- 6
- Inventors
- 24
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 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 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Transmitter circuit11 Feb 2025US 12,224,781 B2NXP B. V.
- Camera system and data transmission method therefor, display screen, and electronic devices21 May 2024US 11,991,460 B2Boe Technology Group Co., Ltd.
- Triangular routing for high speed differential pair length matching18 Jun 2019US 10,325,053 B2Cisco Technology, Inc.
- Triangular routing for high speed differential pair length matching27 Jun 2017US 9,690,895 B2Cisco Technology, Inc.
- Reversal of connections of telegraphic line wires upon detection of unwanted polarity of the loop current28 Feb 1984US 4,434,324 AIng. C. Olivetti & C., S.p.A.
- Sensing method, sensing by proxy requester, and sensing by proxy responder31 Oct 2024US 2024/0365380 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Transmitter circuit11 Apr 2024US 2024/0120956 A1NXP B. V.
- Camera system and data transmission method therefor, display screen, and electronic devices6 Apr 2023US 2023/0107692 A1Boe Technology Group Co., Ltd.
- Triangular routing for high speed differential pair length matching28 Sep 2017US 2017/0277820 A1Cisco Technology, Inc.
- Triangular routing for high speed differential pair length matching24 Dec 2015US 2015/0370954 A1Cisco Technology, Inc.
Most cited
By later US patents
- Reversal of connections of telegraphic line wires upon detection of unwanted polarity of the loop current9US 4,434,324 AIng. C. Olivetti & C., S.p.A. · 1984
- Triangular routing for high speed differential pair length matching1US 10,325,053 B2Cisco Technology, Inc. · 2019
- Triangular routing for high speed differential pair length matching1US 9,690,895 B2Cisco Technology, Inc. · 2017