G05B 2219/33261
Conversion of detected pulses to voltage, frequency to voltage convertor
G05B2219/33261 (Conversion of detected pulses to voltage, frequency to voltage convertor) appears on 14 US grants and 1 published applications in this corpus.
Search patents in G05B- Granted patents
- 14
- Published applications
- 1
- Assignees
- 12
- Inventors
- 31
- Latest grant
- 15 May 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 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 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and device for automatic systems designed to operate movable barriers15 May 2012US 8,176,684 B2Nice Ltd.
- Frequency-locked stepping position control system4 Aug 1998US 5,790,971 ANational Science Council
- Servo-controlled automatic door having automatic detecting and adjusting mechanism19 Feb 1991US 4,994,724 A
- Method and apparatus for controlling torque of a door opening and closing motor for an automatic door25 Sep 1990US 4,959,598 AYoshida Kogyo K. K.
- Direct drive motor system27 Jun 1989US 4,843,292 AYokogawa Electric Corporation
Most cited
By later US patents
- Hydraulic drill unit75US 4,157,231 AThe United States of America as represented by the Secretary of the Air Force · 1979
- Method and apparatus for controlling torque of a door opening and closing motor for an automatic door28US 4,959,598 AYoshida Kogyo K. K. · 1990
- Direct drive motor system25US 4,843,292 AYokogawa Electric Corporation · 1989
- Numerical control feed device for machine tool23US 4,810,945 AToyoda Koki Kabushiki Kaisha · 1989
- Servo-controlled automatic door having automatic detecting and adjusting mechanism19US 4,994,724 A1991