G11B 15/4672
With provision for information tracking
Official title: {with provision for information tracking}
G11B15/4672 (With provision for information tracking) appears on 59 US grants and 3 published applications in this corpus.
Search patents in G11B- Granted patents
- 59
- Published applications
- 3
- Assignees
- 21
- Inventors
- 107
- Latest grant
- 12 Nov 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Trick mode VTR which generates trick play data from a stream of images containing intra-pictures and predictive pictures and selects specific DCT coefficients for intra-pictures12 Nov 2002US 6,480,664 B1
- Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing15 Jan 2002US 6,339,676 B1
- Digital signal recording apparatus which utilizes predetermined areas on a magnetic tape for multiple purposes8 Jan 2002US 6,337,948 B1
- Methods and apparatus for calibration of a rotating scanner to a track recorded on a tape13 Nov 2001US 6,317,283 B1Seagate Removable Storage Solutions LLC
- Tracking controller for a tape-like recording medium24 Jul 2001US 6,266,204 B1Sony Corporation
- Magnetic recording and playback method and magnetic recording and playback apparatus1 May 2008US 2008/0100947 A1
- Method and apparatus for recording/reproducing signals on magnetic tape9 Sep 2004US 2004/0175110 A1
- Video signal recording apparatus and video signal recording and reproducing apparatus1 Aug 2002US 2002/0102096 A1Hitachi, Ltd.
Most cited
By later US patents
- Apparatus for recording and reproducing digital signals stored on magnetic tape50US 5,727,113 AKabushiki Kaisha Toshiba · 1998
- Tracking control in apparatus for fast reproducing digital information signal from magnetic tape24US 5,532,835 AHitachi, Ltd. · 1996
- Video tape reproducing apparatus with a processor that time-shares different operations20US 4,794,472 AMatsushita Electric Industrial Co., Ltd. · 1988
- Rotary head type magnetic recording and reproducing apparatus and method of producing tracking control signals therefor20US 4,843,493 AHitachi, Ltd. · 1989
- Method and apparatus for tape speed override operation when recovering helical audio20US 4,930,027 AAmpex Corporation · 1990