H03M 1/442
Using switched capacitors
Official title: {using switched capacitors}
H03M1/442 (Using switched capacitors) appears on 195 US grants and 138 published applications in this corpus.
Search patents in H03M- Granted patents
- 195
- Published applications
- 138
- Assignees
- 103
- Inventors
- 299
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 0 |
| 2002 | 10 | 5 |
| 2003 | 8 | 3 |
| 2004 | 6 | 6 |
| 2005 | 9 | 4 |
| 2006 | 7 | 4 |
| 2007 | 4 | 6 |
| 2008 | 7 | 4 |
| 2009 | 6 | 8 |
| 2010 | 6 | 6 |
| 2011 | 6 | 4 |
| 2012 | 6 | 9 |
| 2013 | 8 | 6 |
| 2014 | 7 | 6 |
| 2015 | 11 | 13 |
| 2016 | 12 | 6 |
| 2017 | 6 | 6 |
| 2018 | 8 | 6 |
| 2019 | 9 | 11 |
| 2020 | 7 | 6 |
| 2021 | 10 | 6 |
| 2022 | 4 | 3 |
| 2023 | 5 | 1 |
| 2024 | 2 | 3 |
| 2025 | 3 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Successive approximation register analog-to-digital converter and operating method thereof5 May 2026US 12,621,000 B2Pixart Imaging Inc.
- System and method for converting direct analog samples to compressed digitized samples31 Mar 2026US 12,592,713 B2Quasistatics Inc.
- Successive approximation register analog-to-digital converter and comparison method17 Feb 2026US 12,556,195 B2Chongqing GigaChip Technology Co., Ltd.
- Dynamic capacitance-to-volvage offset cancellation23 Dec 2025US 12,506,456 B2InvenSense, Inc.
- Operation stage of pipeline analog-to-digital converter and analog-to-digital converter thereof25 Nov 2025US 12,483,260 B2Realtek Semiconductor Corp.
- Analog-to-digital conversion device and analog-to-digital conversion method14 May 2026US 2026/0135565 A1Realtek Semiconductor Corp.
- Differential slope analog-to-digital conversion apparatus and method30 Apr 2026US 2026/0121654 A1Realtek Semiconductor Corp.
- Successive approximation register analog-to-digital converter and operating method thereof20 Nov 2025US 2025/0357943 A1Pixart Imaging Inc.
- System and method for converting direct analog samples to compressed digitized samples3 Jul 2025US 2025/0219653 A1Quasistatics Inc.
- Signal Sampling Circuitry and A Method for Signal Sampling and Holding10 Apr 2025US 2025/0119153 A1
Most cited
By later US patents
- Common-mode output sensing circuit102US 5,894,284 AMotorola, Inc. · 1999
- Reconfigurable analog-to-digital converter92US 6,686,860 B2Massachusetts Institute of Technology · 2004
- Digitally self-calibrating pipeline analog-to-digital converter65US 5,499,027 AMassachusetts Institute of Technology · 1996
- Correction for pipelined analog to digital (A/D) converter62US 6,784,814 B1Regents of the University of Minnesota · 2004
- Switched capacitor gain stage55US 5,574,457 AMotorola, Inc. · 1996