G11B 5/00865
For transducing on more than one segment simultaneously
Official title: {for transducing on more than one segment simultaneously}
G11B5/00865 (For transducing on more than one segment simultaneously) appears on 69 US grants and 10 published applications in this corpus.
Search patents in G11B- Granted patents
- 69
- Published applications
- 10
- Assignees
- 24
- Inventors
- 150
- Latest grant
- 18 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Side erasure control for track writing in a system18 Jun 2024US 12,014,755 B1International Business Machines Corporation
- Data storage device accessing magnetic tape by actuating head in two dimensions31 Aug 2021US 11,107,494 B1Western Digital Technologies, Inc.
- Compensation for nonlinearity in servo patterns12 May 2020US 10,650,852 B2International Business Machines Corporation
- Multitrack data stored using perpendicular and longitudinal magnetic fields4 Jun 2019US 10,311,897 B1Seagate Technology LLC
- Compensation for nonlinearity in servo patterns21 May 2019US 10,297,280 B1International Business Machines Corporation
- Compensation for nonlinearity in servo patterns30 Jan 2020US 2020/0035264 A1International Business Machines Corporation
- Rotary head data storage and retrieval system and method29 May 2014US 2014/0146652 A1Oracle International Corporation
- Magnetic recording and playback method and magnetic recording and playback apparatus1 May 2008US 2008/0100947 A1
- Magnetic recording and reproduction method, recording apparatus, reproduction apparatus and magnetic recording medium18 Oct 2007US 2007/0242376 A1Sony Corporation
- Magnetic head assembly having trimming recesses, method for producing the same, and magnetic-tape recording and playback apparatus24 Feb 2005US 2005/0041336 A1Alps Electric Co., Ltd.
Most cited
By later US patents
- Magnetic recording and/or reproducing apparatus113US 5,065,259 ASony Corporation · 1991
- Video tape for recording and reproducing plural different independent video signals simultaneously68US 5,398,138 AMatsushita Electric Industrial Co., Ltd. · 1995
- Dual channel helical recorder63US 5,142,422 AExabyte Corporation · 1992
- Apparatus for recording video and PCM audio signals with insert editing using axially displaced heads48US 4,768,106 ASony Corporation · 1988
- Multi-channel recording apparatus using a plurality of heads in turn30US 4,897,739 ACanon Kabushiki Kaisha · 1990