G11B 15/1808
Driving of both record carrier and head
Official title: {Driving of both record carrier and head (G11B15/467 takes precedence; mounting of head G11B5/52)}
G11B15/1808 (Driving of both record carrier and head) appears on 1,019 US grants and 132 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,019
- Published applications
- 132
- Assignees
- 145
- Inventors
- 1,222
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 14 | 0 |
| 1982 | 11 | 0 |
| 1983 | 16 | 0 |
| 1984 | 11 | 0 |
| 1985 | 21 | 0 |
| 1986 | 28 | 0 |
| 1987 | 42 | 0 |
| 1988 | 34 | 0 |
| 1989 | 42 | 0 |
| 1990 | 37 | 0 |
| 1991 | 34 | 0 |
| 1992 | 26 | 0 |
| 1993 | 31 | 0 |
| 1994 | 41 | 0 |
| 1995 | 46 | 0 |
| 1996 | 54 | 0 |
| 1997 | 62 | 0 |
| 1998 | 70 | 0 |
| 1999 | 64 | 0 |
| 2000 | 69 | 0 |
| 2001 | 48 | 19 |
| 2002 | 39 | 17 |
| 2003 | 25 | 14 |
| 2004 | 20 | 13 |
| 2005 | 15 | 15 |
| 2006 | 17 | 8 |
| 2007 | 15 | 2 |
| 2008 | 11 | 12 |
| 2009 | 2 | 1 |
| 2010 | 6 | 2 |
| 2011 | 3 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 1 |
| 2014 | 6 | 6 |
| 2015 | 1 | 0 |
| 2016 | 4 | 2 |
| 2017 | 1 | 1 |
| 2018 | 4 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 5 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High capacity captive tape drive6 Jan 2026US 12,518,788 B2Western Digital Technologies, Inc.
- Head driving device12 Aug 2025US 12,387,754 B2NHK Spring Co., Ltd.
- Automated system and method for diagnosing tape drive and media issues within large-scale tape library system26 Nov 2024US 12,154,592 B2Quantum Corporation
- Multi-spool tape recording apparatus30 May 2023US 11,664,048 B2International Business Machines Corporation
- Method and device for video enhancement, and electronic device using the same19 Oct 2021US 11,153,525 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Head driving device13 Nov 2025US 2025/0349319 A1NHK Spring Co., Ltd.
- High Capacity Captive Tape Drive19 Dec 2024US 2024/0420736 A1Western Digital Technologies, Inc.
- Blended media head in a storage system12 Dec 2024US 2024/0412755 A1International Business Machines Corporation
- Head driving device21 Nov 2024US 2024/0386914 A1NHK Spring Co., Ltd.
- Automated system and method for diagnosing tape drive and media issues within large-scale tape library system4 May 2023US 2023/0136224 A1Quantum Corporation
Most cited
By later US patents
- Digital video recorder compatible receiver with trick play image enhancement527US 5,377,051 AHitachi America, Ltd. · 1994
- Apparatus and method for tracking the playing of VCR programs447US 5,488,409 A1996
- Method and apparatus for controlling a videotape player to automatically scan past recorded commercial messages202US 5,333,091 AArthur D. Little Enterprises, Inc. · 1994
- Method for selectively playing back programs recorded on a video tape191US 5,621,579 AIndex Systems, Inc. · 1997
- Video recording device compatible transmitter182US 5,805,762 AHitachi America, Ltd. · 1998