G11B 2020/1484
Codewords used in servo patterns
Official title: {Codewords used in servo patterns}
G11B2020/1484 (Codewords used in servo patterns) appears on 53 US grants and 34 published applications in this corpus.
Search patents in G11B- Granted patents
- 53
- Published applications
- 34
- Assignees
- 25
- Inventors
- 75
- Latest grant
- 10 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 4 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 3 | 2 |
| 2008 | 3 | 4 |
| 2009 | 0 | 7 |
| 2010 | 10 | 4 |
| 2011 | 6 | 3 |
| 2012 | 4 | 2 |
| 2013 | 4 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Codes and techniques for magnetic recording10 Oct 2017US 9,786,319 B1Marvell International Ltd.
- Servo track encoding and decoding2 May 2017US 9,640,211 B1Seagate Technology LLC
- Hardware support of servo format with two preamble fields3 Mar 2015US 8,970,981 B2LSI Corporation
- Adaptive servo address mark detection17 Jun 2014US 8,755,138 B2LSI Corporation
- Systems and methods for detecting a reference pattern4 Jun 2013US 8,456,775 B2LSI Corporation
- Hardware Support of Servo Format with Two Preamble Fields18 Sep 2014US 2014/0268397 A1LSI Corporation
- Systems and Methods for Enhanced Servo Data Processing29 May 2014US 2014/0146413 A1LSI Corporation
- Adaptive servo address mark detection22 May 2014US 2014/0139939 A1LSI Corporation
- Determining a reference waveform used by a correlator in a servo channel23 Aug 2012US 2012/0212852 A1International Business Machines Corporation
- Determining a reference waveform used by a correlator in a servo channel19 Jan 2012US 2012/0014010 A1International Business Machines Corporation
Most cited
By later US patents
- Servo writing a disk drive by integrating a spiral track read signal169US 7,301,717 B1Western Digital Technologies, Inc. · 2007
- Servo writing a disk drive from spiral tracks by shifting a demodulation window an integer number of sync mark intervals134US 7,248,426 B1Western Digital Technologies, Inc. · 2007
- Disk drive comprising preamble aligned zoned servo sectors117US 8,116,023 B1Western Digital Technologies, Inc. · 2012
- Extracting repeatable phase error from a spindle motor back EMF signal to generate a servo write clock116US 7,688,534 B1Western Digital Technologies, Inc. · 2010
- Locating an initial servo track in order to servo write a disk drive from spiral tracks113US 7,457,071 B1Western Digital Technologies, Inc. · 2008