G05B 2219/43139
Vco variable frequency oscillator or two oscilators with different frequency
Official title: VCO variable frequency oscillator or two oscilators with different frequency
G05B2219/43139 (Vco variable frequency oscillator or two oscilators with different frequency) appears on 10 US grants and 3 published applications in this corpus.
Search patents in G05B- Granted patents
- 10
- Published applications
- 3
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 23 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 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 | 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 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Automated speed ramp control of stepper motors23 May 2023US 11,658,593 B2Microchip Technology Incorporated
- Automated speed ramp control of stepper motors3 May 2022US 11,323,052 B2Microchip Technology Incorporated
- Numerical control system for a crankshaft milling machine integral interpolators7 Jun 1983US 4,387,327 AGFM Gesellschaft fur Fertigungstechnik und Maschinebau Aktiengesellschaft
- Stepping motor control circuit7 Dec 1982US 4,362,979 ADana Corporation
- Stepping motor control circuit18 Nov 1980US 4,234,830 ADana Corporation
- Numerically controlled oscillator kernel4 Dec 2025US 2025/0370424 A1International Business Machines Corporation
- Automated speed ramp control of stepper motors13 Oct 2022US 2022/0329182 A1Microchip Technology Incorporated
- Automated speed ramp control of stepper motors30 Apr 2020US 2020/0136539 A1Microchip Technology Incorporated
Most cited
By later US patents
- Stepping motor control circuit37US 4,126,821 ADana Corporation · 1978
- Grinding control system for forming non-circular punching tools11US 4,136,390 AHoudaille Industries, Inc. · 1979
- Grinding machine9US 4,059,927 ACincinnati Milacron-Heald Corporation · 1977
- Stepping motor control circuit9US 4,234,830 ADana Corporation · 1980
- Control system for producing multi-axis contour movement for a stepping motor drive7US 3,932,796 ATextron Inc. · 1976