G05B 2219/34001
Pll phase locked loop
Official title: PLL phase locked loop
G05B2219/34001 (Pll phase locked loop) appears on 10 US grants and 5 published applications in this corpus.
Search patents in G05B- Granted patents
- 10
- Published applications
- 5
- Assignees
- 10
- Inventors
- 22
- Latest grant
- 13 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Stability evaluation method and system of direct-drive wind turbine generator13 Jun 2023US 11,677,344 B2North China Electric Power University
- Method for synchronizing an isochronous system with a higher-ranking clock pulse system10 Jan 2017US 9,544,129 B2Siemens Aktiengesellschaft
- Synchronization control device of slave devices connected to network and method thereof11 Sep 2012US 8,265,101 B2LS Industrial Systems Co., Ltd.
- Modular numerical control having low-jitter synchronization28 Sep 2010US 7,805,541 B2Dr. Johannes Heidenhain GmbH
- Control system7 Oct 2008US 7,432,674 B2Fanuc Corporation
- Stability evaluation method and system of direct-drive wind turbine generator4 Feb 2021US 2021/0036639 A1North China Electric Power University
- Method for synchronizing an isochronous system with a higher-ranking clock pulse system1 Oct 2015US 2015/0280903 A1Siemens Aktiengesellschaft
- Synchronization control device of slave devices connected to network and method thereof1 Jul 2010US 2010/0166022 A1LS Industrial Systems Co., Ltd.
- Control system7 Sep 2006US 2006/0197476 A1Fanuc Corporation
- Modular numerical control having low-jitter synchronization4 May 2006US 2006/0093127 A1Dr. Johannes Heidenhain GmbH
Most cited
By later US patents
- Apparatus and method for electronic control of DC motor using an all-digital phase-locked loop18US 6,823,133 B1Lexmark International, Inc. · 2004
- Multi-spindle synchronous drive unit and gear cutting machine employing the same14US 5,037,252 AMatsushita Electric Industrial Co., Ltd. · 1991
- Parameter based digital servo controller11US 5,502,544 AXerox Corporation · 1996
- Modular numerical control having low-jitter synchronization4US 7,805,541 B2Dr. Johannes Heidenhain GmbH · 2010
- Synchronization control device of slave devices connected to network and method thereof4US 8,265,101 B2LS Industrial Systems Co., Ltd. · 2012