H03J 3/26
The circuits being coupled so as to form a bandpass filter
Official title: the circuits being coupled so as to form a bandpass filter
H03J3/26 (The circuits being coupled so as to form a bandpass filter) appears on 21 US grants and 14 published applications in this corpus.
Search patents in H03J- Granted patents
- 21
- Published applications
- 14
- Assignees
- 18
- Inventors
- 39
- Latest grant
- 26 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 3 | 1 |
| 2009 | 2 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tunable circuit including integrated filter circuit coupled to variable capacitance, and related integrated circuit (IC) packages and fabrication methods26 Sep 2023US 11,770,115 B2QUALCOMM Incorporated
- Method for automatically adjusting a tunable passive antenna and a tuning unit, and apparatus for radio communication using this method26 Jun 2018US 10,008,777 B1Tekcem
- Wideband analog bandpass filter20 Oct 2015US 9,166,564 B2Hittite Microwave Corporation
- Direct digital conversion tuner11 Mar 2014US 8,670,740 B2Broadcom Corporation
- Direct digital conversion tuner and method for using same28 Jun 2011US 7,970,373 B2Broadcom Corporation
- Tunable circuit including integrated filter circuit coupled to variable capacitance, and related integrated circuit (ic) packages and fabrication methods21 Apr 2022US 2022/0123735 A1QUALCOMM Incorporated
- Direct Digital Conversion Tuner8 May 2014US 2014/0128015 A1Broadcom Corporation
- Direct Digital Conversion Tuner17 Nov 2011US 2011/0280297 A1Broadcom Corporation
- Wideband analog bandpass filter4 Aug 2011US 2011/0187448 A1Hittite Microwave Corporation
- Voltage controlled oscillator including inter-terminal connection and trap circuit12 Nov 2009US 2009/0278615 A1
Most cited
By later US patents
- Method for automatically adjusting a tunable passive antenna and a tuning unit, and apparatus for radio communication using this method47US 10,008,777 B1Tekcem · 2018
- Method for tuning a bandpass analog-to-digital converter and associated architecture28US 6,819,274 B2Silicon Laboratories Inc. · 2004
- Tunable resonant circuits for a multi-band VHF/UHF/CATV tuner22US 4,271,529 AZenith Radio Corporation · 1981
- Satellite broadcasting receiving tuner19US 5,963,842 AAlps Electric Co., Ltd. · 1999
- Double tuned circuit with balanced output and image trap18US 5,285,179 AThomson Consumer Electronics, Inc. · 1994