G05D 3/1418
With ac amplifier chain
Official title: {with AC amplifier chain}
G05D3/1418 (With ac amplifier chain) appears on 5 US grants and 1 published applications in this corpus.
Search patents in G05D- Granted patents
- 5
- Published applications
- 1
- Assignees
- 5
- Inventors
- 13
- Latest grant
- 26 Aug 1986
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 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 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 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 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phase advance waveform generator for brushless DC actuator system controller26 Aug 1986US 4,608,527 ASundstrand Corporation
- Servo-system17 Jul 1979US 4,161,678 AYokogawa Electric Works, Ltd.
- Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks14 Feb 1978US 4,074,085 A
- Electrical centering and boring system for transducers5 Apr 1977US 4,016,470 AXerox Corporation
- Inductive device for precisely positioning a movable member26 Oct 1976US 3,988,657 ASociete Industrielle Honeywell Bull
Most cited
By later US patents
- Phase advance waveform generator for brushless DC actuator system controller48US 4,608,527 ASundstrand Corporation · 1986
- Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks32US 4,074,085 A1978
- Servo-system6US 4,161,678 AYokogawa Electric Works, Ltd. · 1979
- Electrical centering and boring system for transducers5US 4,016,470 AXerox Corporation · 1977
- Inductive device for precisely positioning a movable member1US 3,988,657 ASociete Industrielle Honeywell Bull · 1976