H03K 19/017572
Using opto-electronic devices
Official title: {using opto-electronic devices}
H03K19/017572 (Using opto-electronic devices) appears on 7 US grants and 8 published applications in this corpus.
Search patents in H03K- Granted patents
- 7
- Published applications
- 8
- Assignees
- 10
- Inventors
- 24
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pulse signal output circuit and flowmeter20 Jan 2026US 12,529,583 B2Goldcard Smart Group Co., Ltd.
- Switching device and system having the switching device for converting a differential input signal21 Nov 2023US 11,824,531 B2Sew-Eurodrive GmbH & Co. KG
- Signal isolation and conversion circuit and control apparatus15 Nov 2022US 11,502,688 B2Shenzhen Sosen Electronics Co., Ltd
- Signal isolation system and signal isolation circuit27 Sep 2022US 11,456,742 B2Wistron Corporation
- High speed high voltage switching circuit5 Sep 2017US 9,755,641 B1Reno Technologies, Inc.
- Motor controller module and method of use11 Sep 2025US 2025/0286491 A1
- Input stages for opto-emulators13 Jun 2024US 2024/0195417 A1Texas Instruments Incorporated
- Pulse signal output circuit and flowmeter28 Mar 2024US 2024/0102837 A1Goldcard Smart Group Co., Ltd.
- Switching device and system having the switching device for converting a differential input signal23 Jun 2022US 2022/0200597 A1Sew-Eurodrive GmbH & Co. KG
- Signal isolation and conversion circuit and control apparatus23 Dec 2021US 2021/0399730 A1Shenzhen Sosen Electronics Co., Ltd
Most cited
By later US patents
- High speed high voltage switching circuit46US 9,755,641 B1Reno Technologies, Inc. · 2017
- Interface driver circuit4US 4,196,360 AGeneral Electric Company · 1980
- Safe input circuit with one-channel peripheral connection for the input of a bus participant2US 7,719,255 B2Phoenix Contact GmbH & Co.KG · 2010