H03K 9/08
Demodulating pulses which have been modulated with a continuously-variable signal: of duration-
Official title: of duration- or width-mudulated pulses {or of duty-cycle modulated pulses}
H03K9/08 (Demodulating pulses which have been modulated with a continuously-variable signal: of duration-) appears on 125 US grants and 91 published applications in this corpus.
Search patents in H03K- Granted patents
- 125
- Published applications
- 91
- Assignees
- 90
- Inventors
- 214
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
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| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
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| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 3 | 2 |
| 2007 | 1 | 3 |
| 2008 | 2 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 4 |
| 2012 | 4 | 2 |
| 2013 | 3 | 1 |
| 2014 | 2 | 5 |
| 2015 | 3 | 5 |
| 2016 | 9 | 8 |
| 2017 | 6 | 11 |
| 2018 | 9 | 8 |
| 2019 | 6 | 7 |
| 2020 | 12 | 5 |
| 2021 | 4 | 3 |
| 2022 | 3 | 3 |
| 2023 | 1 | 2 |
| 2024 | 3 | 4 |
| 2025 | 3 | 4 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- PWM signal conversion circuit and method, and LED dimming system4 Nov 2025US 12,464,616 B2Crm Icbg (Wuxi) Co., Ltd.
- 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.
- Pwm signal conversion circuit and method, and led dimming system27 Mar 2025US 2025/0106963 A1Crm Icbg (Wuxi) Co., Ltd.
- Communication circuit with analog duty-cycle detection26 Sep 2024US 2024/0322799 A1Texas Instruments Incorporated
Most cited
By later US patents
- Time domain symbols223US 8,848,808 B2Lightfleet Corporation · 2014
- Pulse width modulated self-clocking and self-synchronizing data transmission and method for a telephonic communication network switching system79US 5,140,611 ARockwell International Corporation · 1992
- Capacitance coupled isolation amplifier and method74US 4,292,595 ABurr-Brown Research Corporation · 1981
- Actuating circuit for a liquid crystal display44US 5,206,632 ADeutsche Thomson-Brandt GmbH · 1993
- Vehicle communications network transceiver, bus driver therefor34US 5,363,405 AChrysler Corporation · 1994