H03D 3/06
By combining signals additively or in product demodulators
Official title: by combining signals additively or in product demodulators
H03D3/06 (By combining signals additively or in product demodulators) appears on 69 US grants and 17 published applications in this corpus.
Search patents in H03D- Granted patents
- 69
- Published applications
- 17
- Assignees
- 52
- Inventors
- 116
- Latest grant
- 23 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 4 |
| 2003 | 1 | 0 |
| 2004 | 3 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 4 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals23 Jul 2024US 12,047,049 B2Dynaspot Corp.
- Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals4 Apr 2023US 11,621,701 B2Dynaspot Corp.
- Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals1 Jun 2021US 11,025,230 B2Dynaspot Corp.
- Filter apparatus and power supply system15 Oct 2019US 10,447,225 B2Huawei Technologies Co., Ltd.
- Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals11 Jun 2019US 10,320,365 B2Dynaspot Corp.
- Physiological signal detection system12 Oct 2023US 2023/0327606 A1National Taiwan University of Science and Technology
- Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals29 Jun 2023US 2023/0208401 A1Dynaspot Corp.
- Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals23 Sep 2021US 2021/0297064 A1Dynaspot Corp.
- Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals22 Aug 2019US 2019/0260357 A1Dynaspot Corp.
- Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals7 Jun 2018US 2018/0159509 A1Dynaspot Corp.
Most cited
By later US patents
- Monolithically integrable frequency demodulator device102US 5,903,187 AThomson Broadcast Systems · 1999
- Multi-channel frequency converter having automatic control99US 3,944,931 AHitachi, Ltd. · 1976
- Apparatus and method for removing bias distortion from a product demodulator26US 4,388,595 ABell Telephone Laboratories, Incorporated · 1983
- FM demodulator using multiplier to which delayed and undelayed input signals are applied12US 4,054,840 ASony Corporation · 1977
- Method and apparatus for extracting derivatives from surface acoustic waves12US 4,056,803 AThe Regents of the University of California · 1977