H04R 11/12
Signals being recorded or played back by vibration of a stylus in
Official title: signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
H04R11/12 (Signals being recorded or played back by vibration of a stylus in) appears on 45 US grants and 3 published applications in this corpus.
Search patents in H04R- Granted patents
- 45
- Published applications
- 3
- Assignees
- 24
- Inventors
- 59
- Latest grant
- 10 Apr 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Oscillation preventing member for stylus-tip protector and pickup cartridge10 Apr 2018US 9,942,649 B2Kabushiki Kaisha Audio-Technica
- Moving-magnet type pickup cartridge23 May 2017US 9,659,580 B2Kabushiki Kaisha Audio-Technica
- Moving-coil type stereo pickup cartridge15 Nov 2016US 9,497,548 B2Kabushiki Kaisha Audio-Technica
- Elongated phonograph pick-up head with snap-together construction31 Jan 1989US 4,802,081 AU. S. Philips Corporation
- Electromagnetic pickup cartridge having elongate core elements16 Dec 1986US 4,630,253 AAlps Electric Co., Ltd.
- Oscillation preventing member for stylus-tip protector and pickup cartridge1 Mar 2018US 2018/0063630 A1Kabushiki Kaisha Audio-Technica
- Moving-magnet type pickup cartridge27 Oct 2016US 2016/0314806 A1Kabushiki Kaisha Audio-Technica
- Moving-coil type stereo pickup cartridge30 Jun 2016US 2016/0192080 A1Kabushiki Kaisha Audio-Technica
Most cited
By later US patents
- Electrodynamic transducer with longitudinally moving magnet28US 4,237,347 A1980
- Moving magnet type pickup cartridge10US 4,177,360 ASansui Electric Co., Ltd. · 1979
- Phonographic pickup9US 4,124,783 AKabushiki Kaisha Audio-Technica · 1978
- Magnetic type pickup cartridge block shaped pole piece construction7US 4,140,886 AMatsushita Electric Industrial Co., Ltd. · 1979
- Gramaphone pickup6US 3,991,284 A1976