G11B 21/03
For correcting time base error during transducing operation, by driving or moving
Official title: for correcting time base error {during transducing operation, by driving or moving the head in a direction more or less parallel to the direction of travel of the recording medium, e.g. tangential direction on a rotating disc (by driving or moving the head in a direction which cuts across the direction of travel of the recording medium G11B15/1808, G11B15/467)}
G11B21/03 (For correcting time base error during transducing operation, by driving or moving) appears on 38 US grants and 3 published applications in this corpus.
Search patents in G11B- Granted patents
- 38
- Published applications
- 3
- Assignees
- 19
- Inventors
- 48
- Latest grant
- 14 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 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 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Data storage device with notch filter calibration based on multi-rate excitation and error rejection14 Nov 2023US 11,817,122 B1Western Digital Technologies, Inc.
- Averaged slope timing-based-servo tape-creep detection10 Nov 2020US 10,832,715 B1International Business Machines Corporation
- Data recovery using a multi-reader head27 Mar 2018US 9,928,872 B1Seagate Technology LLC
- Offset correction values on a data storage media30 Sep 2014US 8,848,310 B2Seagate Technology LLC
- Compensation for jitter in servo signal within data storage device27 Feb 2007US 7,184,234 B2Samsung Electronics Co., Ltd.
- Offset correction values on a data storage media10 Jul 2014US 2014/0192435 A1Seagate Technology LLC
- Optical Storage System Method for Improving Reliability Thereof30 Oct 2008US 2008/0267024 A1Koninklijke Philips Electronics N. V.
- Compensation for jitter in servo signal within data storage device11 Aug 2005US 2005/0174672 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Control loop29US 4,286,318 AU. S. Philips Corporation · 1981
- On-the-fly of jitter during optical disc mastering/recording22US 6,285,639 B1Sony Corporation · 2001
- Disc record groove skipper18US 4,164,756 ARCA Corporation · 1979
- Fast recovery squelch circuit for a video disc player18US 4,286,290 ARCA Corporation · 1981
- Signal pickup device for reproducing an information signal recorded on a track of a rotary recording medium17US 4,170,783 AVictor Company of Japan, Ltd. · 1979