Y10S 388/911
Phase locked loop
Y10S388/911 (Phase locked loop) appears on 97 US grants and 19 published applications in this corpus.
Search patents in Y10S- Granted patents
- 97
- Published applications
- 19
- Assignees
- 82
- Inventors
- 170
- Latest grant
- 19 Jul 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 0 |
| 2003 | 2 | 7 |
| 2004 | 1 | 2 |
| 2005 | 3 | 3 |
| 2006 | 4 | 1 |
| 2007 | 3 | 3 |
| 2008 | 3 | 2 |
| 2009 | 1 | 0 |
| 2010 | 4 | 0 |
| 2011 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Clock and data recovery circuit19 Jul 2011US 7,983,370 B2NEC Corporation
- System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellation21 Dec 2010US 7,854,596 B2Johnson Controls Technology Company
- Method and apparatus for a phase/frequency locked loop9 Nov 2010US 7,830,986 B1Xilinx, Inc.
- Method and system for wide-range synchronization to alternating current power signals31 Aug 2010US 7,787,575 B2
- Phase tracking system15 Jun 2010US 7,738,616 B2Thomson Licensing
- System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellation24 Jul 2008US 2008/0175717 A1Johnson Controls Technology Company
- Smart phase lock loop27 Mar 2008US 2008/0074071 A1Honeywell International Inc.
- Angular position and velocity estimation for synchronous machines based on extended rotor flux23 Aug 2007US 2007/0194742 A1Hamilton Sundstrand Corporation
- Clock and data recovery circuit31 May 2007US 2007/0121772 A1NEC Corporation
- Method for the no-transmitter speed determination of an asynchronous machine25 Jan 2007US 2007/0018603 A1Jungheinrich Aktiengesellschaft
Most cited
By later US patents
- Disk drive employing commutation phase modulation and current modulation of a spindle motor119US 6,972,539 B1Western Digital Technologies, Inc. · 2005
- Low current compensation control for thyristor armature power supply107US 5,451,846 AAEG Automation Systems Corporation · 1995
- Direction control device of control target50US 6,988,570 B2Seiko Epson Corporation · 2006
- Phase locked loop and a motor control servo40US 4,564,794 AInternational Business Machines Corporation · 1986
- Phase locked motor control system for multiple disk drive units39US 4,843,288 ARigidyne Corporation · 1989