H03H 17/0251
Comb filters
Official title: {Comb filters}
H03H17/0251 (Comb filters) appears on 39 US grants and 24 published applications in this corpus.
Search patents in H03H- Granted patents
- 39
- Published applications
- 24
- Assignees
- 27
- Inventors
- 43
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 5 | 4 |
| 2016 | 1 | 1 |
| 2017 | 3 | 2 |
| 2018 | 3 | 1 |
| 2019 | 0 | 3 |
| 2020 | 5 | 3 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Data recovery using gradients25 Feb 2025US 12,237,962 B2
- Data recovery using subcarriers gradients28 Mar 2023US 11,616,678 B2
- Near-end crosstalk cancellation1 Jun 2021US 11,025,298 B2Genesis Technical Systems Corp.
- Systems with pairs of voltage level shifter switches to couple voltage level shifters to anti-aliasing filters1 Dec 2020US 10,855,307 B2Texas Instruments Incorporated
- Digital-to-analog converter with integrated comb filter1 Sep 2020US 10,763,883 B2
- Recursive fir digital filter7 Nov 2024US 2024/0372532 A1
- Data Recovery using Gradients30 Nov 2023US 2023/0388171 A1
- Data Recovery using Subcarriers Gradients7 Jan 2021US 2021/0006447 A1
- Systems with pairs of voltage level shifter switches to couple voltage level shifters to anti-aliasing filters25 Jun 2020US 2020/0204191 A1Texas Instruments Incorporated
- Near-end crosstalk cancellation28 May 2020US 2020/0169290 A1Genesis Technical Systems Corp.
Most cited
By later US patents
- Multi-channel digital transmitter and receiver111US 5,323,391 AMotorola, Inc. · 1994
- Second order Sigma-Delta based analog to digital converter having superior analog components and having a programmable comb filter coupled to the digital signal processor111US 5,408,235 AIntel Corporation · 1995
- Method and circuit for processing and filtering signals54US 5,263,191 AWestinghouse Electric Corp. · 1993
- Method and means for transmultiplexing signals between signal terminals and radio frequency channels51US 5,396,489 AMotorola, Inc. · 1995
- Tailored response cascaded integrator comb digital filter and methodology for parallel integrator processing23US 7,170,959 B1Rockwell Collins, Inc. · 2007