H03J 5/0218
Discontinuous tuning using an electrical variable impedance element
Official title: {Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values}
H03J5/0218 (Discontinuous tuning using an electrical variable impedance element) appears on 52 US grants and 9 published applications in this corpus.
Search patents in H03J- Granted patents
- 52
- Published applications
- 9
- Assignees
- 30
- Inventors
- 70
- Latest grant
- 26 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 14 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 4 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- High-yield tunable radio frequency (RF) filter with auxiliary capacitors and non-volatile RF switches26 Oct 2021US 11,158,794 B2Newport Fab, LLC
- Circuit device, oscillator, real-time clock device, electronic device, and vehicle15 Jun 2021US 11,038,509 B2Seiko Epson Corporation
- Boosting varactor capacitance ratio19 Feb 2019US 10,211,779 B2International Business Machines Corporation
- Forming a frequency control component with a target effective capacitance range12 Jun 2018US 9,998,073 B2International Business Machines Corporation
- Electronic device with switched-capacitor tuning and related method10 Jan 2017US 9,543,927 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Circuit Device, Oscillator, Real-Time Clock Device, Electronic Device, And Vehicle25 Feb 2021US 2021/0058088 A1Seiko Epson Corporation
- High-Yield Tunable Radio Frequency (RF) Filter with Auxiliary Capacitors and Non-Volatile RF Switches21 May 2020US 2020/0161548 A1Newport Fab, LLC dba Jazz Semiconductor
- Boosting varactor capacitance ratio29 Sep 2016US 2016/0285417 A1International Business Machines Corporation
- Boosting varactor capacitance ratio14 Jul 2016US 2016/0204764 A1International Business Machines Corporation
- Boosting varactor capacitance ratio14 Jul 2016US 2016/0204765 A1International Business Machines Corporation
Most cited
By later US patents
- Receiving program-presetting system for a television receiver201US 4,004,085 ATokyo Shibaura Electric Co., Ltd. · 1977
- Filter circuit having a biquadratic transfer function105US 4,253,069 ASiemens Aktiengesellschaft · 1981
- Channel selecting apparatus for use with signal receiver and signal recorder53US 4,267,563 ASony Corporation · 1981
- Channel programming apparatus for a signal receiver51US 4,310,924 ASony Corporation · 1982
- Receiver having a measurement instrument which is used as a tuning scale18US 4,201,944 AU. S. Philips Corporation · 1980