G05B 11/30
Using pulse-frequency modulation
Official title: using pulse-frequency modulation
G05B11/30 (Using pulse-frequency modulation) appears on 7 US grants and 2 published applications in this corpus.
Search patents in G05B- Granted patents
- 7
- Published applications
- 2
- Assignees
- 10
- Inventors
- 13
- Latest grant
- 19 Apr 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sinusoidal modulation control methods and circuits for permanent magnet synchronous motors19 Apr 2016US 9,317,019 B2Silergy Semiconductor Technology (Hangzhou) LTD
- Frequency-selective command profile motion control12 Aug 2014US 8,803,465 B1Exelis, Inc.
- Motor control system for controlling a plurality of motors9 Dec 2008US 7,463,003 B2Sodick America Corporation
- Method and device for controlling switches in a control system with variable structure, with controllable frequency23 Apr 2002US 6,376,935 B1Ecole Superieure Atlantique d'Ingenieurs en Genie Electrique, ESA Igelec
- Pulse train generating circuit for control of an ozone generating means22 Aug 1995US 5,443,800 ALiftech Corporation
Most cited
By later US patents
- Method and apparatus for regulating fluid flow16US 4,690,163 AGeorg Fischer Aktiengesellschaft · 1987
- Sinusoidal modulation control methods and circuits for permanent magnet synchronous motors9US 9,317,019 B2Silergy Semiconductor Technology (Hangzhou) LTD · 2016
- Pulse train generating circuit for control of an ozone generating means8US 5,443,800 ALiftech Corporation · 1995
- Method and device for controlling switches in a control system with variable structure, with controllable frequency5US 6,376,935 B1Ecole Superieure Atlantique d'Ingenieurs en Genie Electrique, ESA Igelec · 2002
- Frequency-selective command profile motion control4US 8,803,465 B1Exelis, Inc. · 2014