G11B 27/13
The information being derived from movement of the record carrier
Official title: the information being derived from movement of the record carrier, e.g. using tachometer
G11B27/13 (The information being derived from movement of the record carrier) appears on 310 US grants and 88 published applications in this corpus.
Search patents in G11B- Granted patents
- 310
- Published applications
- 88
- Assignees
- 103
- Inventors
- 465
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 9 | 0 |
| 1980 | 14 | 0 |
| 1981 | 5 | 0 |
| 1982 | 12 | 0 |
| 1983 | 14 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 5 |
| 2002 | 5 | 5 |
| 2003 | 9 | 3 |
| 2004 | 5 | 2 |
| 2005 | 2 | 4 |
| 2006 | 3 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 4 | 16 |
| 2016 | 8 | 15 |
| 2017 | 9 | 7 |
| 2018 | 8 | 2 |
| 2019 | 5 | 6 |
| 2020 | 6 | 2 |
| 2021 | 5 | 4 |
| 2022 | 2 | 3 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
| 2025 | 5 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Repetitive-motion activity enhancement based upon media content selection23 Dec 2025US 12,505,862 B2Spotify AB
- Play sequence visualization and analysis18 Nov 2025US 12,475,929 B2Disney Enterprises, Inc.
- Methods for improving track density in dual-reel removable tape devices and fixed tape devices11 Mar 2025US 12,249,350 B2Western Digital Technologies, Inc.
- Scene and activity identification in video summary generation4 Mar 2025US 12,243,307 B2GoPro, Inc.
- Systems and methods for generating time-lapse videos28 Jan 2025US 12,211,520 B2GoPro, Inc.
- Repetitive-Motion Activity Enhancement Based Upon Media Content Selection14 May 2026US 2026/0134886 A1Spotify AB
- Methods for Improving Track Density in Dual-Reel Removable Tape Devices and Fixed Tape Devices26 Dec 2024US 2024/0428823 A1Western Digital Technologies, Inc.
- Scene and activity identification in video summary generation28 Dec 2023US 2023/0419999 A1GoPro, Inc.
- Systems and methods for generating time-lapse videos23 Nov 2023US 2023/0377605 A1GoPro, Inc.
- Magnetic recording medium11 Aug 2022US 2022/0254374 A1Sony Group Corporation
Most cited
By later US patents
- Apparatus and method for tracking the playing of VCR programs447US 5,488,409 A1996
- Method for selectively playing back programs recorded on a video tape191US 5,621,579 AIndex Systems, Inc. · 1997
- Enhancing operations of video tape cassette players177US 6,091,884 AIndex Systems, Inc. · 2000
- Method and apparatus for controlling a tape player/recorder for retrieving and playing prerecorded information122US 4,224,644 AVideodetics Corporation · 1980
- Method for encrypting and embedding information in a video program121US 5,581,614 AIndex Systems, Inc. · 1996