H03M 1/66
Digital/analogue converters
Official title: Digital/analogue converters ({H03M1/001 – } H03M1/10 take precedence)
H03M1/66 (Digital/analogue converters) appears on 5,435 US grants and 3,753 published applications in this corpus.
Search patents in H03M- Granted patents
- 5,435
- Published applications
- 3,753
- Assignees
- 1,308
- Inventors
- 7,564
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 15 | 0 |
| 1978 | 27 | 0 |
| 1979 | 24 | 0 |
| 1980 | 22 | 0 |
| 1981 | 18 | 0 |
| 1982 | 36 | 0 |
| 1983 | 32 | 0 |
| 1984 | 30 | 0 |
| 1985 | 34 | 0 |
| 1986 | 40 | 0 |
| 1987 | 36 | 0 |
| 1988 | 30 | 0 |
| 1989 | 49 | 0 |
| 1990 | 55 | 0 |
| 1991 | 65 | 0 |
| 1992 | 40 | 0 |
| 1993 | 46 | 0 |
| 1994 | 45 | 0 |
| 1995 | 60 | 0 |
| 1996 | 49 | 0 |
| 1997 | 73 | 0 |
| 1998 | 90 | 0 |
| 1999 | 79 | 0 |
| 2000 | 77 | 0 |
| 2001 | 124 | 24 |
| 2002 | 155 | 101 |
| 2003 | 134 | 86 |
| 2004 | 110 | 116 |
| 2005 | 112 | 121 |
| 2006 | 135 | 120 |
| 2007 | 109 | 134 |
| 2008 | 150 | 155 |
| 2009 | 142 | 135 |
| 2010 | 148 | 151 |
| 2011 | 166 | 139 |
| 2012 | 106 | 107 |
| 2013 | 141 | 114 |
| 2014 | 168 | 146 |
| 2015 | 186 | 154 |
| 2016 | 190 | 141 |
| 2017 | 197 | 162 |
| 2018 | 195 | 161 |
| 2019 | 236 | 186 |
| 2020 | 302 | 231 |
| 2021 | 236 | 216 |
| 2022 | 197 | 204 |
| 2023 | 188 | 218 |
| 2024 | 215 | 195 |
| 2025 | 193 | 143 |
| 2026 | 107 | 93 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03M 1/74Simultaneous conversion3,291
- H03M 1/68With conversions of different sensitivity, i.e. one conversion relating to the more1,175
- H03M 1/662Multiplexed conversion systems418
- H03M 1/82With intermediate conversion to time interval371
- H03M 1/661Improving the reconstruction of the analogue output signal beyond the resolution of151
- H03M 1/70Automatic control for modifying converter range134
- H03M 1/664Non-linear conversion not otherwise provided for in subgroups of h03m1/66117
- H03M 1/667Recirculation type69
Recent patents
- Digital-to-analog converter, chip, and electronic device6 Oct 2026US 12,756,402 B2Sg Micro Corp
- Unit cell circuitry of digital-to-analog converter circuitry having charge injection6 Oct 2026US 12,756,403 B2Xilinx, Inc.
- Techniques to mitigate drift in bias voltages29 Sep 2026US 12,750,259 B2Micron Technology, Inc.
- N-bit digital-to-analogue converter and mixed-signal microcontroller22 Sep 2026US 12,744,545 B2Delta Electronics (Thailand) Public Co., Ltd.
- Bias circuit for an active phase shifter22 Sep 2026US 12,744,546 B2QUALCOMM Incorporated
- Methods and apparatus to position interleaved conversion circuitry1 Oct 2026US 2026/0303110 A1
- Systems and methods for digital to analogue converters in surface ion traps1 Oct 2026US 2026/0303114 A1Universal Quantum Ltd
- Methods and apparatus to compensate for non-linearity in interleaved digital-to-analog converters1 Oct 2026US 2026/0303115 A1
- Digital-to-analog converters with triode switches1 Oct 2026US 2026/0303116 A1Mediatek Inc.
- Optimization method, optimization apparatus, electronic device, storage medium and program product24 Sep 2026US 2026/0289063 A1Gigadevice Semiconductor Inc.
Most cited
By later US patents
- Switched capacitor analog circuits using polysilicon thin film technology289US 5,589,847 AXerox Corporation · 1996
- Capacitively coupled successive approximation ultra low power analog-to-digital converter270US 5,880,691 ACalifornia Institute of Technology · 1999
- Analogue and digital convertors using pulse edge modulators with non-linearity error correction212US 5,548,286 AB & W Loudspeakers Limited · 1996
- Integrated drivers for flat panel displays employing chalcogenide logic elements204US 5,694,054 AEnergy Conversion Devices, Inc. · 1997
- Digital to analog signal converter179US 4,931,795 AAlfred E. Mann Foundation · 1990