H04B 14/066
Using differential modulation with several bits [ndpcm]
Official title: {using differential modulation with several bits [NDPCM]}
H04B14/066 (Using differential modulation with several bits [ndpcm]) appears on 86 US grants and 22 published applications in this corpus.
Search patents in H04B- Granted patents
- 86
- Published applications
- 22
- Assignees
- 48
- Inventors
- 143
- Latest grant
- 14 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 3 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 4 |
| 2008 | 1 | 0 |
| 2009 | 3 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of error concealment, and associated device14 Sep 2021US 11,121,721 B2STMicroelectronics S,r.l.
- Signal transmission device and method, and signal reception device16 Feb 2021US 10,924,204 B2Industry-University Cooperation Foundation Hanyang University
- Method of error concealment, and associated device1 Sep 2020US 10,763,885 B2STMicroelectronics S,r.l.
- Differential signal transmission22 May 2018US 9,979,493 B2CommScope Technologies LLC
- Differential signal transmission21 Mar 2017US 9,602,223 B2CommScope Technologies LLC
- Method of error concealment, and associated device12 Nov 2020US 2020/0358453 A1STMicroelectronics S,r.l.
- Method of error concealment, and associated device7 May 2020US 2020/0145019 A1STMicroelectronics S,r.l.
- Signal transmission device and method, and signal reception device27 Jun 2019US 2019/0199471 A1Industry-University Cooperation Foundation Hanyang University
- Differential signal transmission22 Jun 2017US 2017/0180060 A1CommScope Technologies LLC
- Differential signal transmission13 Aug 2015US 2015/0229412 A1CommScope Technologies LLC
Most cited
By later US patents
- Lossless and loss-limited compression of sampled data signals163US 5,839,100 A1998
- Adaptive differential PCM coding142US 4,437,087 ABell Telephone Laboratories, Incorporated · 1984
- Efficient transcoding device and method135US 5,537,440 AMotorola, Inc. · 1996
- Coding and decoding of audio signals by using intensity stereo and prediction processes108US 6,341,165 B12002
- Data encoding using one or more adaptive decision trees78US 5,379,355 ARicoh Company, Ltd. · 1995