G11B 5/5922
Superimposed on the main signal
Official title: {superimposed on the main signal}
G11B5/5922 (Superimposed on the main signal) appears on 40 US grants and 1 published applications in this corpus.
Search patents in G11B- Granted patents
- 40
- Published applications
- 1
- Assignees
- 14
- Inventors
- 66
- Latest grant
- 1 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Extending usable life of magnetic storage media1 May 2018US 9,959,892 B1International Business Machines Corporation
- Using component position error signals (PES) to measure tape distortion10 Feb 2004US 6,690,535 B2Storage Technology Corporation
- Rotary head type magnetic recording/reproducing apparatus employing dynamic closed loop and semi-closed loop or open loop tracking systems5 Sep 2000US 6,115,204 ASharp Kabushiki Kaisha
- Information signal reproducing apparatus having means for tracking control13 Jul 1999US 5,923,493 ACanon Kabushiki Kaisha
- Data conversion method, pilot signal formation method using the same rotary magnetic head device for use therein22 Dec 1998US 5,852,520 AMitsubishi Denki Kabushiki Kaisha
Most cited
By later US patents
- Using component position error signals (PES) to measure tape distortion32US 6,690,535 B2Storage Technology Corporation · 2004
- Magnetic recording/reproducing apparatus19US 4,497,000 AHitachi, Ltd. · 1985
- Apparatus for recording an information signal at a second part of a given track by sampling and holding a tracking control signal used for tracking at a first part of the given track19US 4,984,104 ASony Corporation · 1991
- System for transmitting signals via a record carrier in the form of a tape16US 4,597,023 AU. S. Philips Corporation · 1986
- Apparatus for recording and reproducing a video signal and for recording and reproducing a PCM audio signal on forward and reverse tape travelling directions16US 4,769,722 AHitachi, Ltd. · 1988