H04Q 2213/034
Codec
Official title: Codec; PCM compression
H04Q2213/034 (Codec) appears on 25 US grants and 7 published applications in this corpus.
Search patents in H04Q- Granted patents
- 25
- Published applications
- 7
- Assignees
- 15
- Inventors
- 48
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for multi-learning rates of substitution in neural image compression22 Apr 2025US 12,283,075 B2Tencent America LLC
- Multiplexing circuit and mobile terminal13 Sep 2022US 11,445,276 B2Honor Device Co., Ltd.
- Automatic termination path configuration23 Feb 2021US 10,932,015 B2Level 3 Communications, LLC
- System and method for data transmission and power supply capability over an audio jack for mobile devices25 Dec 2018US 10,165,355 B2Intel Corporation
- Automatic termination path configuration7 May 2013US 8,437,338 B2Level 3 Communications, LLC
- Method and apparatus for multi-learning rates of substitution in neural image compression27 Oct 2022US 2022/0343552 A1Tencent America LLC
- Multiplexing circuit and mobile terminal14 Oct 2021US 2021/0321177 A1Honor Device Co., Ltd.
- Automatic termination path configuration25 May 2017US 2017/0150238 A1Level 3 Communications, LLC
- System and method for data transmission and power supply capability over an audio jack for mobile devices2 Feb 2017US 2017/0034618 A1lntel Corporation
- Automatic termination path configuration11 Mar 2010US 2010/0061274 A1Level 3 Communications, LLC
Most cited
By later US patents
- Data communication apparatus which can use either an analog or a digital line80US 5,142,568 ACanon Kabushiki Kaisha · 1992
- Communication terminal device67US 5,042,028 AKabushiki Kaisha Toshiba · 1991
- System and method for communicating with digital and analog devices via a single digital interface57US 5,483,530 AInternational Business Machines Corporation · 1996
- ISDN interfacing of personal computers54US 5,444,703 A1995
- ISDN, basic rate interface arranged for quad voice41US 4,970,723 AAT&T Bell Laboratories · 1990