G11B 7/0941
Methods and circuits for servo gain or phase compensation during operation
Official title: {Methods and circuits for servo gain or phase compensation during operation (for initialising servos G11B7/0945)}
G11B7/0941 (Methods and circuits for servo gain or phase compensation during operation) appears on 567 US grants and 344 published applications in this corpus.
Search patents in G11B- Granted patents
- 567
- Published applications
- 344
- Assignees
- 111
- Inventors
- 891
- Latest grant
- 30 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 13 | 0 |
| 1992 | 22 | 0 |
| 1993 | 17 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 22 | 0 |
| 1997 | 19 | 0 |
| 1998 | 27 | 0 |
| 1999 | 35 | 0 |
| 2000 | 21 | 0 |
| 2001 | 21 | 13 |
| 2002 | 15 | 50 |
| 2003 | 27 | 28 |
| 2004 | 23 | 35 |
| 2005 | 28 | 36 |
| 2006 | 34 | 27 |
| 2007 | 28 | 33 |
| 2008 | 21 | 32 |
| 2009 | 26 | 33 |
| 2010 | 23 | 16 |
| 2011 | 23 | 13 |
| 2012 | 14 | 7 |
| 2013 | 9 | 5 |
| 2014 | 7 | 2 |
| 2015 | 4 | 2 |
| 2016 | 6 | 6 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Detection apparatus, optical drive, and detection method30 Jan 2024US 11,887,624 B2Huawei Technologies Co., Ltd.
- Optical disk reproducing device17 May 2022US 11,335,372 B2Panasonic Intellectual Property Management Co., Ltd.
- Optical information processing device29 Dec 2020US 10,878,847 B2Panasonic Intellectual Property Management Co., Ltd.
- Robot that diagnoses failure, failure diagnosis system, failure diagnosis method, and recording medium26 May 2020US 10,664,334 B2Casio Computer Co., Ltd.
- Optical disc device8 Jan 2019US 10,176,838 B2Sony Corporation
- Detection Apparatus, Optical Drive, and Detection Method18 Aug 2022US 2022/0262398 A1Huawei Technologies Co., Ltd.
- Optical disk reproducing device21 Oct 2021US 2021/0327465 A1Panasonic Intellectual Property Management Co., Ltd.
- Optical information processing device7 Nov 2019US 2019/0341072 A1Panasonic Intellectual Property Management Co., Ltd.
- Optical disc device1 Nov 2018US 2018/0315448 A1Sony Corporation
- Robot that diagnoses failure, failure diagnosis system, failure diagnosis method, and recording medium29 Mar 2018US 2018/0089013 A1Casio Computer Co., Ltd.
Most cited
By later US patents
- Disc reproducing apparatus275US 5,740,143 ASony Corporation · 1998
- Recording and/or reproducing apparatus and method of controlling same170US 5,532,991 ASony Corporation · 1996
- Optical recording/reproducing medium and apparatus using land and groove encoded information signals and identification signals including position information115US 5,452,284 AMatsushita Electric Industrial Co., Ltd. · 1995
- Method and apparatus for correcting the loop gain of a servo loop in accordance with measurements during open-loop operation109US 4,878,211 APioneer Electronic Corporation · 1989
- Disc having a data read-only area and a data recording arm and a recording reproducing system therefor100US 5,023,854 AMatsushita Electric Industrial Co., Ltd. · 1991