H03M 7/3046
Adaptive
Official title: {adaptive, e.g. adaptive differential pulse code modulation [ADPCM]}
H03M7/3046 (Adaptive) appears on 47 US grants and 23 published applications in this corpus.
Search patents in H03M- Granted patents
- 47
- Published applications
- 23
- Assignees
- 33
- Inventors
- 89
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
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| 1987 | 2 | 0 |
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| 1995 | 2 | 0 |
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| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 4 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 5 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Signal detection method, signal processing method and signal processing model7 Jul 2026US 12,676,633 B2Neuracle Technology (Shanghai) Co., Ltd.
- Audio signal encoding and decoding3 Jan 2023US 11,545,164 B2Rtx A/S
- Systems and methods for variable length codeword based, hybrid data encoding and decoding using dynamic memory allocation13 Apr 2021US 10,979,071 B2Cyborg Inc.
- Adaptive audio decoder system, method and article8 Sep 2020US 10,770,088 B2Immersion Networks, Inc.
- Adaptive audio codec system, method and article25 Aug 2020US 10,756,755 B2Immersion Networks, Inc.
- Signal detection method, signal processing method and signal processing model23 Apr 2026US 2026/0113056 A1Neuracle Technology (Shanghai) Co., Ltd.
- Systems and methods for variable length codeword based, hybrid data encoding and decoding using dynamic memory allocation23 Jul 2020US 2020/0235750 A1Cyborg Inc.
- Audio signal encoding and decoding19 Mar 2020US 2020/0090672 A1Rtx A/S
- Error resiliency for entropy coded audio data19 Dec 2019US 2019/0386674 A1QUALCOMM Incorporated
- Transmission apparatus, transmission method, reception apparatus, and reception method3 Jan 2019US 2019/0005968 A1Sony Corporation
Most cited
By later US patents
- Lossless coding method for waveform data66US 6,664,913 B1Dolby Laboratories Licensing Corporation · 2003
- Adaptive quantization coder/decoder with limiter circuitry56US 5,072,295 AMitsubishi Denki Kabushiki Kaisha · 1991
- Wideband adaptive prediction42US 4,654,863 AAT&T Bell Laboratories · 1987
- ADPCM transcoder with integral tone generation and method therefor42US 5,384,807 AMotorola, Inc. · 1995
- Lossless coding method for waveform data30US 6,784,812 B2Dolby Laboratories Licensing Corporation · 2004