G11B 15/4738
Superimposed on the main signal track
Official title: {superimposed on the main signal track}
G11B15/4738 (Superimposed on the main signal track) appears on 6 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 6
- Published applications
- 0
- Assignees
- 5
- Inventors
- 20
- Latest grant
- 24 Mar 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of making an arcuate scan tape drive24 Mar 1998US 5,729,890 ASeagate Technology LLC
- Tracking error detecting circuit14 Jan 1997US 5,594,602 AMatsushita Electric Industrial Co., Ltd.
- Arcuate scan tape drive17 Dec 1996US 5,585,978 AConner Peripherals, Inc.
- Tape medium recording and/or reproducing apparatus capable of minimizing deviation of recording position21 Nov 1995US 5,469,304 AMatsushita Electric Industrial Co., Ltd.
- Rotary head type magnetic recording and reproducing apparatus and method of producing tracking control signals therefor27 Jun 1989US 4,843,493 AHitachi, Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Rotary head type magnetic recording and reproducing apparatus and method of producing tracking control signals therefor20US 4,843,493 AHitachi, Ltd. · 1989
- Arcuate scan tape drive14US 5,585,978 AConner Peripherals, Inc. · 1996
- Tracking control system for magnetic video recording and/or reproducing apparatus with tracking signal positions staggered with respect to the positions of tracking signals on adjacent tracks10US 4,530,012 AVictor Company of Japan, Ltd. · 1985
- Method of making an arcuate scan tape drive5US 5,729,890 ASeagate Technology LLC · 1998
- Tracking error detecting circuit3US 5,594,602 AMatsushita Electric Industrial Co., Ltd. · 1997