H03C 1/54
Balanced modulators
Official title: Balanced modulators, e.g. bridge type, ring type or double balanced type
H03C1/54 (Balanced modulators) appears on 94 US grants and 20 published applications in this corpus.
Search patents in H03C- Granted patents
- 94
- Published applications
- 20
- Assignees
- 64
- Inventors
- 145
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 3 |
| 2003 | 0 | 1 |
| 2004 | 3 | 3 |
| 2005 | 2 | 1 |
| 2006 | 3 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Driving circuit producing DSB-SC modulation signal1 Oct 2024US 12,107,546 B1xMEMS Labs, Inc.
- Enhanced constant-on-time buck intellectual property apparatus and method29 Aug 2023US 11,742,754 B2Intel Corporation
- Passive wideband mixer13 Dec 2022US 11,527,995 B2
- Parallel synchronized operation for a half-bridge configuration in a switch mode power supply20 Apr 2021US 10,985,673 B1Renesas Electronics America Inc.
- Modulator7 Apr 2020US 10,615,749 B2QUALCOMM Incorporated
- Passive wideband mixer10 Mar 2022US 2022/0077824 A1Nanjing Milliway Microelectronics Technology Co., Ltd.
- Enhanced constant-on-time buck intellectual property apparatus and method29 Apr 2021US 2021/0124382 A1Intel Corporation
- Modulator26 Dec 2019US 2019/0393838 A1QUALCOMM Incorporated
- Modulator and modulation method4 Apr 2019US 2019/0103838 A1Sony Corporation
- Rfid tags2 Jul 2015US 2015/0186695 A1Cambridge Resonant Technologies Ltd.
Most cited
By later US patents
- Interface between SAW filter and Gilbert cell mixer132US 5,515,014 AAT&T Corp. · 1996
- I/Q quadraphase modulator circuit126US 5,574,755 APhilips Electronics North America Corporation · 1996
- Circuit for simultaneous amplitude modulation of a number of signals104US 5,434,546 A1995
- Multi-mode signal processing99US 5,745,523 AEricsson Inc. · 1998
- Binary phase shift keying modulation system98US 5,119,396 AAxonn Corporation · 1992