H03C 3/24
By means of a variable resistive element
Official title: by means of a variable resistive element, e.g. tube
H03C3/24 (By means of a variable resistive element) appears on 14 US grants and 9 published applications in this corpus.
Search patents in H03C- Granted patents
- 14
- Published applications
- 9
- Assignees
- 15
- Inventors
- 21
- Latest grant
- 9 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Sensor interface circuit and sensor module9 Apr 2024US 11,954,555 B2Alps Alpine Co., Ltd.
- Capacitively-coupled stacked class-D oscillators for galvanic isolation13 Feb 2024US 11,901,863 B2STMicroelectronics S,r.l.
- Device for phase and/or amplitude modulation26 Apr 2022US 11,316,503 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Using common mode local oscillator termination in single-ended commutating circuits for conversion gain improvement21 Aug 2018US 10,057,093 B2International Business Machines Corporation
- Modified tunneling field effect transistors and fabrication methods19 Jun 2018US 10,003,302 B2Globalfoundries Inc.
- Capacitively-coupled stacked class-d oscillators for galvanic isolation2 Nov 2023US 2023/0353091 A1STMicroelectronics S,r.l.
- Sensor interface circuit and sensor module15 Jun 2023US 2023/0186040 A1Alps Alpine Co., Ltd.
- Device for phase and/or amplitude modulation25 Mar 2021US 2021/0091758 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Using common mode local oscillator termination in single-ended commutating circuits for conversion gain improvement4 Jan 2018US 2018/0006855 A1International Business Machines Corporation
- Modified tunneling field effect transistors and fabrication methods10 Aug 2017US 2017/0230004 A1Globalfoundries Inc.
Most cited
By later US patents
- FM demodulation device and FM modulation device employing a CMOS signal delay device49US 4,988,960 AYamaha Corporation · 1991
- Self-oscillating mixer circuits, and FMCW radar15US 5,280,290 AU. S. Philips Corporation · 1994
- Modulator producing phase modulation by combining amplitude modulated signals11US 4,870,374 AE-Systems, Inc. · 1989
- Frequency modulated oscillator having controllable current sources8US 5,198,784 ASiemens Aktiengesellschaft · 1993
- Integrable oscillator circuit5US 4,565,978 ASiemens Aktiengesellschaft · 1986