G05F 1/656
Using variable impedances in series and in parallel with the load as
Official title: using variable impedances in series and in parallel with the load as final control devices
G05F1/656 (Using variable impedances in series and in parallel with the load as) appears on 12 US grants and 9 published applications in this corpus.
Search patents in G05F- Granted patents
- 12
- Published applications
- 9
- Assignees
- 11
- Inventors
- 19
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Induction Based Current Sensing25 Oct 2018US 2018/0308618 A1Taiwan Semiconductor Manufacturing Company.Ltd
- A triboelectric power generator system and method30 Nov 2017US 2017/0346416 A1Koninklijke Philips N. V.
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Most cited
By later US patents
- Buck regulator with plural outputs12US 5,977,753 AAstec International Limited · 1999
- Switching power supply8US 5,661,394 AFdk Corporation · 1997
- Switching power supply8US 6,285,170 B1Nagano Japan Radio Co., Ltd. · 2001
- Triboelectric power generator system and method2US 10,103,649 B2Koninklijke Philips N. V. · 2018
- Power supply circuit and RF transponder IC2US 6,677,811 B2Matsushita Electric Industrial Co., Ltd. · 2004