H04B 1/1684
Of the decoded left or right stereo channel
Official title: {of the decoded left or right stereo channel}
H04B1/1684 (Of the decoded left or right stereo channel) appears on 15 US grants and 9 published applications in this corpus.
Search patents in H04B- Granted patents
- 15
- Published applications
- 9
- Assignees
- 13
- Inventors
- 24
- Latest grant
- 7 Nov 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 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 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Active noise-cancellation feedback signal transmission7 Nov 2017US 9,812,115 B2Texas Instruments Incorporated
- Audio channel control circuit20 Jun 2017US 9,686,628 B2Hon Hai Precision Industry Co., Ltd.
- Feedback microphones encoder modulators, signal generators, mixers, amplifiers, summing nodes5 Jul 2016US 9,384,726 B2Texas Instruments Incorporated
- Stereo receiver for controlling continuously degree of separation3 Feb 2009US 7,486,796 B2Alps Electric Co., Ltd.
- Audio signal processing apparatus27 Mar 2007US 7,197,150 B2Canon Kabushiki Kaisha
- Active noise-cancellation feedback signal transmission29 Sep 2016US 2016/0284335 A1Texas Instruments Incorporated
- Audio channel control circuit7 Jan 2016US 2016/0007135 A1Hon Hai Precision Industry Co., Ltd.
- Method for reducing noise included in a stereo signal, stereo signal processing device and fm receiver using the method19 Sep 2013US 2013/0243198 A1Semiconductor Ideas to the Market (ITOM) B.V.
- Active noise-cancellation feedback signal transmission12 Jul 2012US 2012/0177213 A1Texas Instruments Incorporated
- Receiver10 Nov 2005US 2005/0250463 A1
Most cited
By later US patents
- Automatic noise eliminating device for an FM receiver15US 4,379,207 ANissan Motor Co., Ltd. · 1983
- Distortion reducing circuit in FM receiver13US 4,416,024 ASanyo Electric Co., Ltd. · 1983
- Stereo noise reduction circuit12US 4,063,039 AGeneral Motors Corporation · 1977
- Automatic noise reduction system of FM stereo receiver11US 4,029,906 ASansui Electric Co., Ltd. · 1977
- Stereophonic receiver having a noise reduction control circuit11US 4,574,389 A1986