H03B 19/05
Generation of oscillations by non-regenerative frequency multiplication or division of a signal
Official title: using non-linear capacitance, e.g. varactor diodes
H03B19/05 (Generation of oscillations by non-regenerative frequency multiplication or division of a signal) appears on 20 US grants and 9 published applications in this corpus.
Search patents in H03B- Granted patents
- 20
- Published applications
- 9
- Assignees
- 22
- Inventors
- 46
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 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 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Non-linear transmission line (NLTL) frequency comb generator and formed multiplier15 Jul 2025US 12,362,706 B2Chengdu Sicore Semiconductor Corp. Ltd.
- Frequency converter based on non-linear transmission line including dispersion control elements4 May 2021US 10,998,891 B2Oxford University Innovation Limited
- Unbalanced terahertz frequency doubler circuit with power handling capacity15 Dec 2020US 10,868,497 B2The 13th Research Institute of China Electronics Technology Group Corporation
- Frequency-scalable imaging radar23 Apr 2019US 10,267,910 B2Anritsu Corporation
- Biased nonlinear transmission line comb generators3 Nov 2009US 7,612,629 B2Picosecond Pulse Labs
- Signal processing method, corresponding circuit, device, radar system and vehicle6 Feb 2025US 2025/0044409 A1STMicroelectronics International N. V.
- Non-linear transmission line (nltl) frequency comb generator and formed multiplier20 Jun 2024US 2024/0204728 A1Chengdu Sicore Semiconductor Corp. Ltd.
- Frequency converter based on non-linear transmission line including dispersion control elements12 Nov 2020US 2020/0358430 A1Oxford University Innovation Limited
- Unbalanced terahertz frequency doubler circuit with power handling capacity3 Sep 2020US 2020/0280283 A1The 13th Research Institute of China Electronics Technology Group Corporation
- Frequency-scalable imaging radar2 Aug 2018US 2018/0217252 A1Anritsu Corporation
Most cited
By later US patents
- Broadband frequency divider using microwave varactors26US 4,152,680 AHer Majesty the Queen in right of Canada, as represented by the Minister of National Defence · 1979
- Broadband microwave frequency divider for division by numbers greater than two23US 4,266,208 AHer Majesty the Queen in right of Canada, as represented by the Minister of National Defense · 1981
- Wideband frequency multiplier having a silicon carbide varactor for use in high power microwave applications17US 5,406,237 AWestinghouse Electric Corp. · 1995
- Microstrip/slotline frequency halver15US 4,636,757 AHer Majesty the Queen in right of Canada, as represented by the Minister of National Defence · 1987
- Biased nonlinear transmission line comb generators11US 7,612,629 B2Picosecond Pulse Labs · 2009