G11B 3/08503
Control of drive of the head
Official title: {Control of drive of the head}
G11B3/08503 (Control of drive of the head) appears on 73 US grants and 7 published applications in this corpus.
Search patents in G11B- Granted patents
- 73
- Published applications
- 7
- Assignees
- 33
- Inventors
- 105
- Latest grant
- 17 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 12 | 0 |
| 1981 | 8 | 0 |
| 1982 | 16 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 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 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tonearm device and reproduction device17 May 2022US 11,335,363 B2Panasonic Intellectual Property Management Co., Ltd.
- Automatic tonearm lifter8 Jun 2021US 11,031,030 B1Thorens GmbH
- Tonearm unit and playback device29 Sep 2020US 10,789,974 B2Panasonic Intellectual Property Management Co., Ltd.
- Light monitoring circuit for a manual to automatic turntable conversion31 Mar 2020US 10,607,634 B1
- Detection system of vinyl record player for detecting end of playback14 May 2019US 10,290,316 B1Hanpin Electron Co., Ltd.
- Liquid-bearing tonearm device8 Jan 2026US 2026/0011343 A1
- Tone arm and record player20 Apr 2023US 2023/0124443 A1Ogasawara Precision Laboratory Co., Ltd.
- Tonearm device and reproduction device3 Feb 2022US 2022/0036917 A1Panasonic Intellectual Property Management Co., Ltd.
- Automatic tonearm lifter1 Jul 2021US 2021/0201939 A1Thorens GmbH
- Tonearm unit and playback device20 Feb 2020US 2020/0058321 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Reconfiguring redundancy management66US 4,327,437 A1982
- Automatic phonographs19US 3,993,315 ABang & Olufsen A/S · 1976
- Arm driving device in linear tracking pickup apparatus15US 4,322,840 ASony Corporation · 1982
- Tonearm control system12US 4,260,162 APioneer Electronic Corporation · 1981
- Automatic eject apparatus for a self-contained record player12US 4,399,528 ASony Corporation · 1983