G11B 20/10277
The demodulation process being specifically adapted to partial response channels
Official title: {the demodulation process being specifically adapted to partial response channels, e.g. PRML decoding}
G11B20/10277 (The demodulation process being specifically adapted to partial response channels) appears on 59 US grants and 39 published applications in this corpus.
Search patents in G11B- Granted patents
- 59
- Published applications
- 39
- Assignees
- 28
- Inventors
- 82
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 6 | 8 |
| 2012 | 9 | 8 |
| 2013 | 14 | 1 |
| 2014 | 9 | 6 |
| 2015 | 2 | 1 |
| 2016 | 4 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 3 | 4 |
| 2022 | 4 | 0 |
| 2023 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Signal processing device, signal processing method, and program5 Sep 2023US 11,749,307 B2Sony Group Corporation
- Externalizing inter-symbol interference data in a data channel13 Jun 2023US 11,677,420 B1Western Digital Technologies, Inc.
- Magnetic disk device capable of correcting servo demodulation position8 Nov 2022US 11,495,261 B2Kabushiki Kaisha Toshiba
- Deep neural network a posteriori probability detectors and media noise predictors for one- and two-dimensional magnetic recording6 Sep 2022US 11,438,014 B2Washington State University
- Optical disk recording method, optical disk device, and integrated circuit19 Jul 2022US 11,393,505 B2Panasonic Intellectual Property Management Co., Ltd.
- Signal processing device, signal processing method, and program9 Feb 2023US 2023/0043380 A1Sony Group Corporation
- Magnetic disk device, writing method of servo sector, and method of correcting servo demodulation position21 Oct 2021US 2021/0327468 A1Kabushiki Kaisha Toshiba
- Magnetic disk device, writing method of servo sector, and method of correcting servo demodulation position21 Oct 2021US 2021/0327469 A1Kabushiki Kaisha Toshiba
- Optical disk recording method, optical disk device, and integrated circuit12 Aug 2021US 2021/0249046 A1Panasonic Intellectual Property Management Co., Ltd.
- Optical disk recording method, optical disk device, and integrated circuit14 Jan 2021US 2021/0012802 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Disk drive comprising a dual read element and delay circuitry to improve read signal207US 8,139,301 B1Western Digital (Fremont), LLC · 2012
- Disk drive comprising a dual read element and delay circuitry to improve read signal156US 8,514,506 B1Western Digital (Fremont), LLC · 2013
- PR4 equalization and an EPR4 remod/demod sequence detector in a sampled amplitude read channel54US 5,961,658 ACirrus Logic, Inc. · 1999
- PR4 sampled amplitude read channel for detecting user data and embedded servo data32US 6,115,198 ACirrus Logic, Inc. · 2000
- Averaging signals to improve signal interpretation27US 8,161,361 B1Marvell International Ltd. · 2012