G11B 20/10324
Asymmetry of the recorded or reproduced waveform
Official title: {asymmetry of the recorded or reproduced waveform}
G11B20/10324 (Asymmetry of the recorded or reproduced waveform) appears on 49 US grants and 41 published applications in this corpus.
Search patents in G11B- Granted patents
- 49
- Published applications
- 41
- Assignees
- 31
- Inventors
- 89
- Latest grant
- 23 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 8 |
| 2006 | 1 | 2 |
| 2007 | 2 | 7 |
| 2008 | 8 | 1 |
| 2009 | 0 | 1 |
| 2010 | 3 | 1 |
| 2011 | 5 | 2 |
| 2012 | 3 | 1 |
| 2013 | 6 | 3 |
| 2014 | 3 | 2 |
| 2015 | 6 | 1 |
| 2016 | 2 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Magnetoresistive asymmetry compensation23 May 2023US 11,658,669 B2Seagate Technology LLC
- Optical disk recording method, optical disk device, and integrated circuit19 Jul 2022US 11,393,505 B2Panasonic Intellectual Property Management Co., Ltd.
- Magnetoresistive asymmetry compensation1 Mar 2022US 11,265,000 B1Seagate Technology LLC
- Optical disk recording method, optical disk device, and integrated circuit8 Jun 2021US 11,031,040 B2Panasonic Intellectual Property Management Co., Ltd.
- Asynchronous asymmetry compensation for data read from a storage medium7 Jan 2020US 10,529,373 B2International Business Machines Corporation
- Magnetoresistive asymmetry compensation4 Aug 2022US 2022/0247418 A1Seagate Technology LLC
- Optical disk recording method, optical disk device, and integrated circuit12 Aug 2021US 2021/0249046 A1Panasonic Intellectual Property Management Co., Ltd.
- Disk device and read processing method18 Mar 2021US 2021/0082468 A1Kabushiki Kaisha Toshiba
- Optical disk recording method, optical disk device, and integrated circuit14 Jan 2021US 2021/0012802 A1Panasonic Intellectual Property Management Co., Ltd.
- Asymmetric multi-channel audio dynamic range processing28 Mar 2019US 2019/0097595 A1Nuvoton Technology Corporation
Most cited
By later US patents
- Sampled amplitude read channel employing an adaptive non-linear correction circuit for correcting non-linear distortions in a read signal69US 7,012,772 B1Cirrus Logic, Inc. · 2006
- Method and system to identify and characterize nonlinearities in optical communications channels16US 7,251,297 B2Broadcom Corporation · 2007
- Digital PLL device8US 7,342,986 B2Sony Corporation · 2008
- Asymmetric correction circuit with negative resistance4US 8,378,731 B1Marvell International Ltd. · 2013
- Asynchronous asymmetry compensation for data read from a storage medium4US 9,159,358 B1International Business Machines Corporation · 2015