G11B 20/10342
Sub-information or auxiliary signals different from the normal recording marks
Official title: {sub-information or auxiliary signals different from the normal recording marks, e.g. signals reproduced from wobble tracks}
G11B20/10342 (Sub-information or auxiliary signals different from the normal recording marks) appears on 10 US grants and 7 published applications in this corpus.
Search patents in G11B- Granted patents
- 10
- Published applications
- 7
- Assignees
- 12
- Inventors
- 23
- Latest grant
- 3 Dec 2024
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| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
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| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 3 | 4 |
| 2013 | 1 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
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| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
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| 2024 | 1 | 0 |
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Recent patents
- Bridged T-coil for increased bandwidth in hard disk drive write circuitry3 Dec 2024US 12,159,648 B1Marvell Asia Pte Ltd
- Wobble determining apparatus and method, optical disk device, and computer program3 Feb 2015US 8,947,989 B2Pioneer Digital Design and Manufacturing Corporation
- Fast ADC for optical tape wobble signal30 Dec 2014US 8,923,104 B1Oracle International Corporation
- Method and apparatus for detecting land pre-pits17 Jun 2014US 8,755,257 B2Marvell World Trade Ltd.
- Optical disc medium, reproduction method thereof and reproduction apparatus27 Aug 2013US 8,520,489 B2Hitachi Consumer Electronics Co., Ltd.
- Wobble determining apparatus and method, optical disk device, and computer program7 Aug 2014US 2014/0223456 A1Pioneer Corporation
- Method and apparatus for detecting land pre-pits23 Aug 2012US 2012/0213048 A1Marvell International Ltd.
- Optical disk reproduction apparatus, optical disk reproduction method, reproduction processing device and reproduction processing method19 Apr 2012US 2012/0096326 A1Panasonic Corporation
- Wobble signal extracting circuit, method for extracting wobble signal, and optical disk unit12 Apr 2012US 2012/0087219 A1Renesas Electronics Corporation
- Optical disc medium, reproduction method thereof and reproduction apparatus29 Mar 2012US 2012/0075970 A1Hitachi Consumer Electronics Co., Ltd.
Most cited
By later US patents
- Method and circuit for generating a tracking error signal using differential phase detection22US 7,161,877 B2VIA Technologies, Inc. · 2007
- Method and apparatus for reading2US 8,004,942 B1Marvell International Ltd. · 2011
- Bridged T-coil for increased bandwidth in hard disk drive write circuitry1US 12,159,648 B1Marvell Asia Pte Ltd · 2024