H03K 17/9545
With variable frequency
Official title: {with variable frequency}
H03K17/9545 (With variable frequency) appears on 40 US grants and 33 published applications in this corpus.
Search patents in H03K- Granted patents
- 40
- Published applications
- 33
- Assignees
- 26
- Inventors
- 71
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 3 |
| 2017 | 0 | 2 |
| 2018 | 6 | 3 |
| 2019 | 3 | 1 |
| 2020 | 3 | 7 |
| 2021 | 4 | 5 |
| 2022 | 6 | 2 |
| 2023 | 1 | 2 |
| 2024 | 4 | 3 |
| 2025 | 4 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inductive proximity switch and method for sensing objects17 Feb 2026US 12,555,715 B2Turck Holding GmbH
- Movement detection device21 Oct 2025US 12,448,822 B2Continental Automotive Technologies GmbH
- Inductive proximity switch and method of operation of an inductive proximity switch21 Oct 2025US 12,451,884 B2Turck Holdings GmbH
- Electromagnetic coding switch, and rotation information calculation method and apparatus for rotary wheel23 Sep 2025US 12,425,024 B2Shenzhen Huion Trend Technology Co., Ltd.
- Proximity switch and method for detecting an object to be sensed18 Mar 2025US 12,255,643 B2Turck Holding GmbH
- Electromagnetic encoding switch and method and apparatus for calculating rotation information of runner5 Dec 2024US 2024/0405774 A1Shenzhen Huion Trend Technology Co., Ltd.
- Inductive proximity switch and method of operation of an inductive proximity switch3 Oct 2024US 2024/0333287 A1Turck Holding GmbH
- Movement detection device2 May 2024US 2024/0141704 A1Continental Automotive Technologies GmbH
- Proximity sensor with internal temperature sensor and method of operating the same6 Jul 2023US 2023/0216496 A1Abov Semiconductor Co., Ltd.
- Inductive proximity switch and method for sensing objects2 Mar 2023US 2023/0068496 A1Turck Holding GmbH
Most cited
By later US patents
- Inductive loop presence detector with cross talk filter16US 4,873,494 ASarasota Automation Limited · 1989
- Oscillator circuit and proximity switch using7US 5,264,809 AOMRON Corporation · 1993
- Sensor for a fingerboard latch assembly6US 10,132,660 B2Salunda Limited · 2018
- Inductive or capacitive detector5US 6,518,776 B2Schneider Electric Industries SAS · 2003
- Inductive proximity switch and method for its operation5US 7,924,103 B2Pepperl + Fuchs GmbH · 2011