G05B 2219/1182
I-o isolation, optical
Official title: I-O isolation, optical
G05B2219/1182 (I-o isolation, optical) appears on 5 US grants and 5 published applications in this corpus.
Search patents in G05B- Granted patents
- 5
- Published applications
- 5
- Assignees
- 8
- Inventors
- 12
- Latest grant
- 19 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Configurable binary circuits for protection relays in electric power systems19 Mar 2024US 11,934,169 B2Schweitzer Engineering Laboratories, Inc.
- Systems and/or devices for providing an isolated analog output or analog input31 Aug 2010US 7,786,919 B2Siemens Industry, Inc.
- Low cost multi-range input circuit for industrial analog input modules1 Jun 2004US 6,744,393 B2Schneider Automation Inc.
- I/O module with multi-function integrated circuits and an isolation interface for multiplexing data between a main processor and I/O devices13 Sep 1988US 4,771,403 AAllen-Bradley Company, Inc.
- Memory-programmable controller27 May 1986US 4,592,010 ASiemens Aktiengesellschaft
- Configurable binary circuits for protection relays in electric power systems10 Nov 2022US 2022/0359142 A1Schweitzer Engineering Laboratories, Inc.
- Digital output circuit26 May 2011US 2011/0121210 A1Panasonic Electric Works SUNX Co., Ltd.
- Digital input circuit19 May 2011US 2011/0114858 A1Panasonic Electric Works SUNX Co., Ltd.
- Systems and/or Devices for Providing an Isolated Analog Output or Analog Input26 Mar 2009US 2009/0079612 A1Siemens Energy & Automation, Inc.
- Low cost multi-range input circuit for industrial analog input modules26 Jun 2003US 2003/0117304 A1Schneider Automation Inc.
Most cited
By later US patents
- I/O module with multi-function integrated circuits and an isolation interface for multiplexing data between a main processor and I/O devices32US 4,771,403 AAllen-Bradley Company, Inc. · 1988
- Memory-programmable controller8US 4,592,010 ASiemens Aktiengesellschaft · 1986
- Systems and/or devices for providing an isolated analog output or analog input3US 7,786,919 B2Siemens Industry, Inc. · 2010
- Low cost multi-range input circuit for industrial analog input modules1US 6,744,393 B2Schneider Automation Inc. · 2004