G11B 15/4677
Using auxiliary signals, i.e. pilot signals
Official title: {using auxiliary signals, i.e. pilot signals}
G11B15/4677 (Using auxiliary signals, i.e. pilot signals) appears on 232 US grants and 8 published applications in this corpus.
Search patents in G11B- Granted patents
- 232
- Published applications
- 8
- Assignees
- 33
- Inventors
- 245
- Latest grant
- 8 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 10 | 0 |
| 1987 | 14 | 0 |
| 1988 | 5 | 0 |
| 1989 | 22 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 12 | 0 |
| 1996 | 13 | 0 |
| 1997 | 21 | 0 |
| 1998 | 22 | 0 |
| 1999 | 16 | 0 |
| 2000 | 16 | 0 |
| 2001 | 9 | 1 |
| 2002 | 10 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Tape drive tension management8 Aug 2023US 11,721,362 B2International Business Machines Corporation
- Adjusting tension in a tape media to counter tape dimensional stability (TDS) errors in a tape media6 Oct 2015US 9,153,280 B2Globalfoundries Inc.
- Adjusting tension in a tape media to counter tape dimensional stability (TDS) errors in a tape media17 Mar 2015US 8,982,492 B2International Business Machines Corporation
- Device for recording digital video and audio signals in designated areas of a recording medium in a predetermined track format6 May 2008US 7,369,746 B2Mitsubishi Denki Kabushiki Kaisha
- Variable-mode information signal reproduction apparatus with tracking control5 Feb 2008US 7,327,933 B2Canon Kabushiki Kaisha
- Tape drive tension management15 Jun 2023US 2023/0186949 A1International Business Machines Corporation
- Adjusting tension in a tape media to counter tape dimensional stability (tds) errors in a tape media7 May 2015US 2015/0124348 A1International Business Machines Corporation
- Adjusting tension in a tape media to counter tape dimensional stability (tds) errors in a tape media6 Nov 2014US 2014/0327985 A1International Business Machines Corporation
- Magnetic head including recording device and servo device, and magnetic recording apparatus and magnetic recording/reproducing apparatus including the magnetic head13 May 2004US 2004/0090705 A1Alps Electric Co., Ltd.
- Magnetic recording/reproducing device12 Feb 2004US 2004/0027710 A1Matsushita Electric Industrial Co., Ltd.
Most cited
By later US patents
- Recording apparatus for recording main information with additional information88US 5,132,807 ACanon Kabushiki Kaisha · 1992
- Recording apparatus having plural operating modes involving diverse signal compression rates and different apportioning of pilot signal recording area80US 5,191,431 ACanon Kabushiki Kaisha · 1993
- Transmission, recording and reproduction of digital data and time information in transport packets using a compression ratio69US 5,835,668 ASony Corporation · 1998
- Video tape for recording and reproducing plural different independent video signals simultaneously68US 5,398,138 AMatsushita Electric Industrial Co., Ltd. · 1995
- Recording of trick play signals on a record carrier66US 6,222,981 B1U. S. Philips Corporation · 2001