G11B 3/42
With provision for adaptation or interchange of heads
Official title: with provision for adaptation or interchange of heads
G11B3/42 (With provision for adaptation or interchange of heads) appears on 19 US grants and 3 published applications in this corpus.
Search patents in G11B- Granted patents
- 19
- Published applications
- 3
- Assignees
- 8
- Inventors
- 26
- Latest grant
- 2 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 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 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Head shell2 Nov 2021US 11,164,597 B2Kabushiki Kaisha Audio-Technica
- Head shell25 May 2021US 11,017,800 B2Kabushiki Kaisha Audio-Technica
- Headshell and tonearm for mounting cartridge of audio turntable and audio turntable comprising same7 Apr 2020US 10,614,833 B2
- Adapter for a plug-in cartridge18 Feb 1986US 4,571,717 AKabushiki Kaisha Audio-Technica
- Tonearm alignment gauge25 Dec 1984US 4,490,816 AShure Brothers, Inc.
Most cited
By later US patents
- Track skipper for a video disc player19US 4,183,059 ARCA Corporation · 1980
- Pickup cartridge10US 4,049,280 ARCA Corporation · 1977
- Adapter for a plug-in cartridge9US 4,571,717 AKabushiki Kaisha Audio-Technica · 1986
- Tonearm alignment gauge7US 4,490,816 AShure Brothers, Inc. · 1984
- Signal pick-up apparatus for reproducing a recording disc5US 4,124,217 AVictor Company of Japan, Ltd. · 1978