H03K 9/00
Demodulating pulses which have been modulated with a continuously-variable signal
H03K9/00 (Demodulating pulses which have been modulated with a continuously-variable signal) appears on 276 US grants and 155 published applications in this corpus.
Search patents in H03K- Granted patents
- 276
- Published applications
- 155
- Assignees
- 185
- Inventors
- 478
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 5 |
| 2002 | 8 | 7 |
| 2003 | 5 | 3 |
| 2004 | 8 | 5 |
| 2005 | 4 | 3 |
| 2006 | 5 | 3 |
| 2007 | 3 | 6 |
| 2008 | 4 | 7 |
| 2009 | 3 | 2 |
| 2010 | 3 | 4 |
| 2011 | 2 | 5 |
| 2012 | 6 | 5 |
| 2013 | 5 | 2 |
| 2014 | 4 | 8 |
| 2015 | 7 | 10 |
| 2016 | 12 | 10 |
| 2017 | 12 | 13 |
| 2018 | 14 | 11 |
| 2019 | 10 | 13 |
| 2020 | 16 | 5 |
| 2021 | 7 | 6 |
| 2022 | 4 | 4 |
| 2023 | 3 | 5 |
| 2024 | 6 | 7 |
| 2025 | 4 | 4 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03K 9/08Demodulating pulses which have been modulated with a continuously-variable signal: of duration-125
- H03K 9/06Demodulating pulses which have been modulated with a continuously-variable signal: of frequency-79
- H03K 9/02Demodulating pulses which have been modulated with a continuously-variable signal: of amplitude-modulated33
- H03K 9/04Demodulating pulses which have been modulated with a continuously-variable signal: of position-modulated25
- H03K 9/10Demodulating pulses which have been modulated with a continuously-variable signal: of pulses3
Recent patents
- Communication circuit with analog duty-cycle detection18 Aug 2026US 12,712,529 B2Texas Instruments Incorporated
- Pulse width modulation decoder circuit, corresponding device and methods of operation21 Jul 2026US 12,689,362 B2STMicroelectronics S,r.l.
- Gas sensor dynamic environmental compensation using auto-calibration method7 Jul 2026US 12,674,788 B2Honeywell International Inc.
- Pulse width modulation signal driver10 Mar 2026US 12,574,024 B2Infineon Technologies Canada Inc.
- Receiver including a pulse amplitude modulation decoder, and a memory device including the same3 Feb 2026US 12,542,548 B2Korea University Research and Business Foundation
- Memory controller using a digital signal processor in transmitters to mitigate noise and distortion in memory links2 Apr 2026US 2026/0095172 A1Mediatek Inc.
- Isolator26 Mar 2026US 2026/0088820 A1Kabushiki Kaisha Toshiba
- Method for Acquiring Pulse Width Modulation Signal, Computer Device, and Storage Medium8 May 2025US 2025/0147087 A1Beijing CHJ Information Technology Co., LTD.
- Low-noise speedy duty cycle detector and method thereof8 May 2025US 2025/0150069 A1Realtek Semiconductor Corp.
- Pulse width modulation signal driver24 Apr 2025US 2025/0132656 A1Infineon Technologies Canada Inc.
Most cited
By later US patents
- Time domain symbols223US 8,848,808 B2Lightfleet Corporation · 2014
- Filter which tracks changing frequency of input signal104US 4,204,171 ARCA Corporation · 1980
- Pulse shaping FM demodular with low noise where capacitor charge starts on input signal edge103US 5,619,538 AU. S. Philips Corporation · 1997
- Frequency-to-voltage converter102US 4,816,704 A1989
- Monolithically integrable frequency demodulator device102US 5,903,187 AThomson Broadcast Systems · 1999