G11B 5/5517
Controlled by automatic tape drive reversing arrangement
Official title: {Controlled by automatic tape drive reversing arrangement (reversing tape drive arrangements G11B15/444)}
G11B5/5517 (Controlled by automatic tape drive reversing arrangement) appears on 36 US grants and 5 published applications in this corpus.
Search patents in G11B- Granted patents
- 36
- Published applications
- 5
- Assignees
- 19
- Inventors
- 46
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 3 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Tape drive reel including damping to reduce track following errors5 Mar 2024US 11,922,982 B1International Business Machines Corporation
- Magnetic tape device, magnetic recording device, and tape lifting method for magnetic tape device19 Jul 2022US 11,393,504 B2NEC Platforms, Ltd.
- Compensation for expansion and contraction across the width of a magnetic tape14 Sep 2021US 11,120,831 B1International Business Machines Corporation
- Magnetic tape device capable of determining the vertical position of magnetic head based on pattern combinations comprising servo band identifiers16 Feb 2021US 10,923,143 B2Quantum LTO Holdings, LLC
- Managing index writes to a tape medium26 Jan 2021US 10,902,872 B1International Business Machines Corporation
- Tape drive reel including damping to reduce track following errors14 Mar 2024US 2024/0087599 A1International Business Machines Corporation
- Magnetic tape device, magnetic recording device, and tape lifting method for magnetic tape device25 Nov 2021US 2021/0366516 A1NEC Platforms, Ltd.
- Data band identification for tape servo system using multiple servo bands14 Nov 2019US 2019/0348067 A1Quantum LTO Holdings, LLC
- Quasi-statically oriented, bi-directional tape recording head7 Jan 2016US 2016/0005429 A1International Business Machines Corporation
- Quasi-statically oriented, bi-directional tape recording head6 Nov 2014US 2014/0327983 A1International Business Machines Corporation
Most cited
By later US patents
- Magnetic head system for tape player16US 4,510,543 APioneer Electronic Corporation · 1985
- Quasi-statically oriented, bi-directional tape recording head14US 9,449,628 B2International Business Machines Corporation · 2016
- Magnetic tape cassette apparatus having reduced azimuth error10US 4,926,278 AU. S. Philips Corporation · 1990
- Quasi-statically oriented, bi-directional tape recording head9US 9,721,601 B2International Business Machines Corporation · 2017
- Reversible cassette-type recording and/or reproducing apparatus8US 4,302,788 ASony Corporation · 1981