G08C 19/12
In which the signal transmitted is frequency or phase of ac
Official title: in which the signal transmitted is frequency or phase of AC
G08C19/12 (In which the signal transmitted is frequency or phase of ac) appears on 78 US grants and 43 published applications in this corpus.
Search patents in G08C- Granted patents
- 78
- Published applications
- 43
- Assignees
- 51
- Inventors
- 140
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 0 | 0 |
| 2004 | 3 | 0 |
| 2005 | 0 | 4 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 4 |
| 2013 | 0 | 5 |
| 2014 | 5 | 2 |
| 2015 | 1 | 3 |
| 2016 | 5 | 4 |
| 2017 | 2 | 5 |
| 2018 | 6 | 2 |
| 2019 | 3 | 1 |
| 2020 | 3 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-wire communication control device and multi-purpose device24 Dec 2024US 12,175,859 B2Shenzhen Inteltron Intelligent Science & Technology Co., Ltd.
- Fan system and fan driving method7 Mar 2023US 11,600,170 B2Sentelic Corporation
- Electronic device and controlling method of electronic device18 Jan 2022US 11,227,485 B2Samsung Electronics Co., Ltd.
- Method for automatic switching of a communication resistor of a hart device in or out17 Nov 2020US 10,838,385 B2Endress + Hauser Process Solutions AG
- Arc fault detection system26 May 2020US 10,666,036 B2Eaton Intelligent Power Limited
- Measurement result acquiring apparatus, method of acquiring measurement result, and measurement system9 Jul 2026US 2026/0194371 A1Sumitomo Electric Industries, Ltd.
- Two-wire communication control device and multi-purpose device12 Oct 2023US 2023/0326332 A1Shenzhen Inteltron Intelligent Science & Technology Co., Ltd.
- Fan system and fan driving method4 Aug 2022US 2022/0246027 A1Sentelic Corporation
- Electronic device and controlling method of electronic device27 Aug 2020US 2020/0273324 A1Samsung Electronics Co., Ltd.
- Method for automatic switching of a communication resistor of a hart device in or out21 May 2020US 2020/0159179 A1Endress + Hauser Process Solutions AG
Most cited
By later US patents
- Implantable telemetry transmission system for analog and digital data199US 4,281,664 AMedtronic, Inc. · 1981
- Remote controlled multi-station irrigation system with DTMF transmitter134US 4,760,547 A1988
- Radio frequency automated meter reading device126US 6,710,721 B1Datamatic, Inc. · 2004
- Remote transmitter-receiver controller for multiple systems85US 5,841,390 A1998
- Remote transmitter-receiver controller system73US 5,680,134 A1997