H03K 5/22
Circuits having more than one input and one output for comparing pulses
Official title: Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral (indicating phase difference of two cyclic pulse trains G01R25/00)
H03K5/22 (Circuits having more than one input and one output for comparing pulses) appears on 3,358 US grants and 2,604 published applications in this corpus.
Search patents in H03K- Granted patents
- 3,358
- Published applications
- 2,604
- Assignees
- 1,006
- Inventors
- 5,776
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 14 | 0 |
| 1978 | 19 | 0 |
| 1979 | 9 | 0 |
| 1980 | 14 | 0 |
| 1981 | 10 | 0 |
| 1982 | 18 | 0 |
| 1983 | 13 | 0 |
| 1984 | 20 | 0 |
| 1985 | 26 | 0 |
| 1986 | 18 | 0 |
| 1987 | 25 | 0 |
| 1988 | 16 | 0 |
| 1989 | 19 | 0 |
| 1990 | 12 | 0 |
| 1991 | 18 | 0 |
| 1992 | 37 | 0 |
| 1993 | 27 | 0 |
| 1994 | 38 | 0 |
| 1995 | 25 | 0 |
| 1996 | 35 | 0 |
| 1997 | 39 | 0 |
| 1998 | 33 | 0 |
| 1999 | 50 | 0 |
| 2000 | 65 | 0 |
| 2001 | 53 | 11 |
| 2002 | 58 | 46 |
| 2003 | 53 | 41 |
| 2004 | 52 | 46 |
| 2005 | 41 | 60 |
| 2006 | 53 | 63 |
| 2007 | 52 | 48 |
| 2008 | 39 | 64 |
| 2009 | 73 | 49 |
| 2010 | 45 | 41 |
| 2011 | 41 | 56 |
| 2012 | 51 | 50 |
| 2013 | 62 | 68 |
| 2014 | 77 | 75 |
| 2015 | 69 | 81 |
| 2016 | 112 | 139 |
| 2017 | 146 | 142 |
| 2018 | 120 | 146 |
| 2019 | 220 | 221 |
| 2020 | 265 | 238 |
| 2021 | 213 | 231 |
| 2022 | 242 | 186 |
| 2023 | 212 | 186 |
| 2024 | 170 | 160 |
| 2025 | 142 | 92 |
| 2026 | 77 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Duty cycle signal processing circuit and method, and audio signal processing device6 Oct 2026US 12,756,380 B2Shanghai Awinic Technology Co., LTD
- Receiver circuit, corresponding system and method29 Sep 2026US 12,750,009 B2STMicroelectronics International N. V.
- Class d amplifier and related chip and electronic apparatus29 Sep 2026US 12,750,018 B2Shenzhen Goodix Technology Co., Ltd.
- Systems and methods for clock generation and calibration in photonic systems29 Sep 2026US 12,750,045 B2Avago Technologies International Sales Pte. Limited
- Comparator, amplifier, and solid-state imaging device29 Sep 2026US 12,750,046 B2Sony Semiconductor Solutions Corporation
- Pull-up-pull-down-inverter (pudi), pudi-based system for continuous-time linear-equalization, and method of operating same8 Oct 2026US 2026/0312587 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Overvoltage protection circuit, voltage detection circuit, comparator, charge/discharge control circuit, and semiconductor device24 Sep 2026US 2026/0291208 A1Ablic Inc.
- Electronic circuitry, power converter, and signal transmission method24 Sep 2026US 2026/0291476 A1Kabushiki Kaisha Toshiba
- Symmetric high-speed quadrature divider with feedforward path and sub-rate phase detection24 Sep 2026US 2026/0291480 A1Alphawave IP Inc.
- Detection circuit and detection method17 Sep 2026US 2026/0276735 A1Novatek Microelectronics Corp.
Most cited
By later US patents
- Integrated circuit communication techniques258US 7,439,773 B2cASIC Corporation · 2008
- Delay-locked loop circuitry for clock delay adjustment248US 6,125,157 ARambus Inc. · 2000
- Sensor readout detector circuit206US 5,793,230 ASandia Corporation · 1998
- Comparator unit for a flash analog-to-digital converter194US 4,910,518 ASamsun Semiconductor and Telecommunications Co., Ltd. · 1990
- Delay locked loop circuitry for clock delay adjustment169US 6,539,072 B1Rambus Inc. · 2003