H03M 7/3042
The modulator being of the error feedback type, i.e. having loop filter
Official title: {the modulator being of the error feedback type, i.e. having loop filter stages in the feedback path only}
H03M7/3042 (The modulator being of the error feedback type, i.e. having loop filter) appears on 90 US grants and 55 published applications in this corpus.
Search patents in H03M- Granted patents
- 90
- Published applications
- 55
- Assignees
- 60
- Inventors
- 183
- Latest grant
- 23 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 7 |
| 2005 | 5 | 6 |
| 2006 | 6 | 6 |
| 2007 | 4 | 4 |
| 2008 | 11 | 6 |
| 2009 | 4 | 3 |
| 2010 | 7 | 4 |
| 2011 | 4 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 2 |
| 2014 | 3 | 2 |
| 2015 | 3 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 4 | 1 |
| 2019 | 2 | 2 |
| 2020 | 4 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Digital-to-analog converter using noise-shaped segmentation60US 5,977,899 AAnalog Devices, Inc. · 1999
- Method and system for digital to analog conversion for power amplifier driver amplitude modulation54US 7,362,251 B2Broadcom Corporation · 2008
- Telephone subscriber line unit with sigma-delta digital to analog converter53US 4,270,027 AInternational Telephone and Telegraph Corporation · 1981
- Direct radio frequency generation using power digital-to-analog conversion37US 7,504,976 B1Lockheed Martin Corporation · 2009
- Analog-to-digital conversion system with second order noise shaping and a single amplifier34US 6,940,436 B2Texas Instruments Incorporated · 2005