H03K 3/017
Adjustment of width or dutycycle of pulses
Official title: Adjustment of width or dutycycle of pulses (pulse width modulation H03K7/08 {; to maintain energy constant H03K3/015})
H03K3/017 (Adjustment of width or dutycycle of pulses) appears on 756 US grants and 715 published applications in this corpus.
Search patents in H03K- Granted patents
- 756
- Published applications
- 715
- Assignees
- 349
- Inventors
- 1,572
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 6 | 4 |
| 2004 | 2 | 2 |
| 2005 | 4 | 5 |
| 2006 | 3 | 4 |
| 2007 | 6 | 4 |
| 2008 | 3 | 9 |
| 2009 | 4 | 13 |
| 2010 | 7 | 11 |
| 2011 | 9 | 13 |
| 2012 | 16 | 6 |
| 2013 | 10 | 25 |
| 2014 | 25 | 31 |
| 2015 | 32 | 38 |
| 2016 | 51 | 20 |
| 2017 | 21 | 19 |
| 2018 | 20 | 26 |
| 2019 | 41 | 49 |
| 2020 | 56 | 52 |
| 2021 | 63 | 57 |
| 2022 | 69 | 73 |
| 2023 | 71 | 74 |
| 2024 | 71 | 70 |
| 2025 | 45 | 53 |
| 2026 | 48 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Clock sync input dropout protection6 Oct 2026US 12,756,172 B2Texas Instruments Incorporated
- Method of controlling power delivered to an actuator assembly6 Oct 2026US 12,756,333 B2Cambridge Mechatronics Limited
- Duty cycle signal processing circuit and method, and audio signal processing device6 Oct 2026US 12,756,380 B2Shanghai Awinic Technology Co., LTD
- Aerosol generating apparatus and method of controlling the same29 Sep 2026US 12,745,804 B2Kt&G Corporation
- Method and implantable system for constant current pacing29 Sep 2026US 12,746,399 B2Pacesetter, Inc.
- Apparatus and Method of Generating a Waveform8 Oct 2026US 2026/0311965 A1Eagle Harbor Technologies, Inc.
- System and method for fine tuned pulse width modulation signal generation8 Oct 2026US 2026/0312570 A1
- Dynamic offset calibration circuit and method for operating the same8 Oct 2026US 2026/0312577 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Duty-cycle error correction and reference spur reduction techniques for plls with reference frequency-doublers1 Oct 2026US 2026/0303070 A1Silicon Laboratories Inc.
- Pulse Width Actuated Switch Filter System17 Sep 2026US 2026/0280531 A1
Most cited
By later US patents
- Arbitarary waveform generation using nanosecond pulses79US 10,304,661 B2Eagle Harbor Technologies, Inc. · 2019
- Voltage controlled oscillator (VCO) with symmetrical output and logic gate for use in same79US 5,426,384 AMotorola, Inc. · 1995
- Arbitrary waveform generation using digital pulses67US 10,777,388 B2Eagle Harbor Technologies, Inc. · 2020
- Circuit having a control array of memory cells and a current source and a method for generating a self-refresh timing signal65US 5,455,801 AMicron Semiconductor, Inc. · 1995
- Low power differential-to-single-ended converter with good duty cycle performance61US 6,809,566 B1National Semiconductor Corporation · 2004