H04B 14/06
Using differential modulation
Official title: using differential modulation, e.g. delta modulation
H04B14/06 (Using differential modulation) appears on 219 US grants and 92 published applications in this corpus.
Search patents in H04B- Granted patents
- 219
- Published applications
- 92
- Assignees
- 115
- Inventors
- 361
- Latest grant
- 16 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 3 |
| 2002 | 7 | 12 |
| 2003 | 6 | 4 |
| 2004 | 5 | 5 |
| 2005 | 5 | 3 |
| 2006 | 3 | 4 |
| 2007 | 5 | 7 |
| 2008 | 2 | 4 |
| 2009 | 3 | 0 |
| 2010 | 4 | 2 |
| 2011 | 3 | 1 |
| 2012 | 3 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 3 | 3 |
| 2016 | 3 | 6 |
| 2017 | 5 | 2 |
| 2018 | 7 | 10 |
| 2019 | 7 | 12 |
| 2020 | 10 | 4 |
| 2021 | 3 | 4 |
| 2022 | 4 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Communication system using shape-shifted sinusoidal waveforms16 Jan 2024US 11,876,659 B2TeraWave, LLC
- System improving signal handling11 Apr 2023US 11,626,858 B2Mediatek Inc.
- Device comprising a sensor, controller and corresponding methods29 Nov 2022US 11,515,887 B2Infineon Technologies AG
- Asynchronous stream mote20 Sep 2022US 11,451,261 B2University of Virginia Patent Foundation
- High spectral efficiency data communications system18 Jan 2022US 11,228,474 B2TeraWave, LLC
- Signal transfer systems, devices and methods12 Feb 2026US 2026/0046039 A1
- Communication system using shape-shifted sinusoidal waveforms2 Jun 2022US 2022/0173948 A1TeraWave, LLC
- Device comprising a sensor, controller and corresponding methods30 Sep 2021US 2021/0305997 A1Infineon Technologies AG
- System improving signal handling26 Aug 2021US 2021/0265982 A1Mediatek Inc.
- Systems and methods for performing analog-to-digital conversion across multiple, spatially separated stages28 Jan 2021US 2021/0028793 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Digital data converter166US 5,155,743 ANuance DesignWorks, Inc. · 1992
- Lossless and loss-limited compression of sampled data signals163US 5,839,100 A1998
- Method and arrangement for a sigma delta converter for bandpass signals146US 4,857,928 AMotorola, Inc. · 1989
- Adaptive differential PCM coding142US 4,437,087 ABell Telephone Laboratories, Incorporated · 1984
- Efficient transcoding device and method135US 5,537,440 AMotorola, Inc. · 1996