H04R 9/12
Gramophone pick-ups using a stylus
Official title: Gramophone pick-ups using a stylus; Recorders using a stylus
H04R9/12 (Gramophone pick-ups using a stylus) appears on 50 US grants and 3 published applications in this corpus.
Search patents in H04R- Granted patents
- 50
- Published applications
- 3
- Assignees
- 18
- Inventors
- 67
- Latest grant
- 22 Aug 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 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 | 1 | 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 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Apparatus for varying the pitch of audible tones driven by a turntable22 Aug 2017US 9,741,328 B2
- Moving-coil type stereo pickup cartridge15 Nov 2016US 9,497,548 B2Kabushiki Kaisha Audio-Technica
- Moving coil type pick up cartridge assembly26 Nov 2013US 8,593,929 B1
- Microphone12 Aug 2008US 7,412,066 B2Tandberg Telecom AS
- Sound pickup and amplifier apparatus for vibrating strings30 Nov 1999US 5,995,635 A
Most cited
By later US patents
- Signal pickup device with tracking control and jitter compensation for a video disc20US 4,160,268 AVictor Company of Japan, Ltd. · 1979
- Reproducing transducer capable of tracking control17US 4,152,727 AVictor Company of Japan, Ltd. · 1979
- Stylus for reproducing capacitive videodisc10US 4,199,782 AVictor Company of Japan, Ltd. · 1980
- Moving coil pickup cartridge with diaphragm coupling9US 3,956,598 ASony Corporation · 1976
- Phonographic pickup9US 4,124,783 AKabushiki Kaisha Audio-Technica · 1978