G11B 15/689
Control of the cassette changing arrangement
Official title: {Control of the cassette changing arrangement}
G11B15/689 (Control of the cassette changing arrangement) appears on 259 US grants and 226 published applications in this corpus.
Search patents in G11B- Granted patents
- 259
- Published applications
- 226
- Assignees
- 54
- Inventors
- 402
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 9 |
| 2003 | 9 | 13 |
| 2004 | 7 | 8 |
| 2005 | 10 | 20 |
| 2006 | 13 | 16 |
| 2007 | 10 | 8 |
| 2008 | 8 | 8 |
| 2009 | 12 | 15 |
| 2010 | 12 | 17 |
| 2011 | 12 | 16 |
| 2012 | 17 | 11 |
| 2013 | 15 | 12 |
| 2014 | 19 | 17 |
| 2015 | 16 | 10 |
| 2016 | 14 | 7 |
| 2017 | 6 | 4 |
| 2018 | 7 | 13 |
| 2019 | 14 | 9 |
| 2020 | 6 | 1 |
| 2021 | 4 | 4 |
| 2022 | 2 | 0 |
| 2023 | 3 | 3 |
| 2024 | 6 | 2 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Camera-guided retrieval assembly for use within media library8 Sep 2026US 12,731,612 B2Quantum Corporation
- Automated system and method for diagnosing tape drive and media issues within large-scale tape library system26 Nov 2024US 12,154,592 B2Quantum Corporation
- Magnetic media decommission management in a computer system22 Oct 2024US 12,125,499 B1International Business Machines Corporation
- Mounting magnetic tapes based on lifecycle metrics and end of life indicators24 Sep 2024US 12,100,421 B1International Business Machines Corporation
- Batch scheme for magnetic-tape operation13 Aug 2024US 12,062,384 B1International Business Machines Corporation
- Automated tape library robotic rail evaluation system6 Nov 2025US 2025/0340382 A1International Business Machines Corporation
- Camera-guided retrieval assembly for use within media library28 Aug 2025US 2025/0273241 A1Quantum Corporation
- Mounting magnetic tapes based on lifecycle metrics and end of life indicators10 Oct 2024US 2024/0339130 A1International Business Machines Corporation
- Batch scheme for magnetic-tape operation15 Aug 2024US 2024/0274154 A1International Business Machines Corporation
- Automatic implementation of a physical barrier to protect removable storage media access6 Jul 2023US 2023/0215463 A1Quantum Corporation
Most cited
By later US patents
- Mass data storage and retrieval system997US 5,504,873 AE-Systems, Inc. · 1996
- Media element library with non-overlapping subset of media elements and non-overlapping subset of media element drives accessible to first host and unaccessible to second host963US 6,328,766 B1Overland Data, Inc. · 2001
- Apparatus for recording and quickly retrieving video signal parts on a magnetic tape152US 4,989,104 AU. S. Philips Corporation · 1991
- Target management method for data backup to a shared transfer station, multiple media element device132US 5,386,545 AArchive Corporation · 1995
- Method and apparatus for reducing response time in automated library data retrieval systems91US 5,287,459 AInternational Business Machines Corporation · 1994