H03M 1/38
Sequentially only
Official title: sequentially only, e.g. successive approximation type (converting more than one bit per step H03M1/14)
H03M1/38 (Sequentially only) appears on 2,984 US grants and 2,245 published applications in this corpus.
Search patents in H03M- Granted patents
- 2,984
- Published applications
- 2,245
- Assignees
- 744
- Inventors
- 3,796
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 9 | 0 |
| 1979 | 12 | 0 |
| 1980 | 12 | 0 |
| 1981 | 11 | 0 |
| 1982 | 19 | 0 |
| 1983 | 13 | 0 |
| 1984 | 12 | 0 |
| 1985 | 21 | 0 |
| 1986 | 20 | 0 |
| 1987 | 14 | 0 |
| 1988 | 18 | 0 |
| 1989 | 11 | 0 |
| 1990 | 19 | 0 |
| 1991 | 28 | 0 |
| 1992 | 13 | 0 |
| 1993 | 19 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 23 | 0 |
| 1997 | 29 | 0 |
| 1998 | 25 | 0 |
| 1999 | 25 | 0 |
| 2000 | 37 | 0 |
| 2001 | 36 | 3 |
| 2002 | 50 | 20 |
| 2003 | 42 | 28 |
| 2004 | 44 | 42 |
| 2005 | 55 | 45 |
| 2006 | 50 | 44 |
| 2007 | 53 | 48 |
| 2008 | 44 | 63 |
| 2009 | 59 | 55 |
| 2010 | 71 | 89 |
| 2011 | 73 | 61 |
| 2012 | 54 | 88 |
| 2013 | 120 | 97 |
| 2014 | 110 | 83 |
| 2015 | 130 | 113 |
| 2016 | 132 | 95 |
| 2017 | 135 | 112 |
| 2018 | 147 | 112 |
| 2019 | 181 | 152 |
| 2020 | 194 | 129 |
| 2021 | 148 | 132 |
| 2022 | 128 | 158 |
| 2023 | 139 | 153 |
| 2024 | 124 | 133 |
| 2025 | 134 | 122 |
| 2026 | 108 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03M 1/46With digital/analogue converter for supplying reference values to converter2,068
- H03M 1/44Sequential comparisons in series-connected stages with change in value of analogue signal545
- H03M 1/40Recirculation type261
- H03M 1/42Sequential comparisons in series-connected stages with no change in value of analogue119
Recent patents
- Device and method for reading data in memory29 Sep 2026US 12,749,514 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Stable low-power analog-to-digital converter (ADC) reference voltage29 Sep 2026US 12,750,064 B2AyDeeKay LLC
- Successive-approximation analog-to-digital converter29 Sep 2026US 12,750,065 B2MegaChips Corporation
- Analog-to-digital converter15 Sep 2026US 12,738,953 B2Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
- Digital-to-analog converter, manufacturing method thereof, and successive approximation register analog-to-digital converter15 Sep 2026US 12,738,954 B2Realtek Semiconductor Corp.
- Non-binary fully differential sar adc for ai-nand8 Oct 2026US 2026/0312599 A1Micron Technology, Inc.
- Digital foreground calibration system and method for successive approximation register analog-to-digital converter based on rram1 Oct 2026US 2026/0303109 A1Huazhong University of Science and Technology
- Balanced monotonic successive approximation adc1 Oct 2026US 2026/0303112 A1Semiconductor Components Industries, LLC
- Hybrid switching scheme for a capacitor digital-to-analog circuit in a successive approximation register analog-to-digital converter17 Sep 2026US 2026/0280580 A1QUALCOMM Incorporated
- Analog to digital (ad) converter, imaging device, and method for controlling ad converter17 Sep 2026US 2026/0281588 A1Sony Semiconductor Solutions Corporation
Most cited
By later US patents
- Capacitively coupled successive approximation ultra low power analog-to-digital converter270US 5,880,691 ACalifornia Institute of Technology · 1999
- Serial analog-to-digital converter using successive comparisons219US 5,801,657 AStanford University · 1998
- Realizing analog-to-digital converter on a digital programmable integrated circuit172US 6,246,258 B1Xilinx, Inc. · 2001
- Method and apparatus for converting a low dynamic range analog signal to a large dynamic range floating-point digital representation161US 6,538,593 B2The Board of Trustees of the Leland Stanford Junior University · 2003
- Variable successive approximation converter143US 5,122,800 A1992