H03D 13/007
Circuits for comparing the phase or frequency of two mutually-independent oscillations: by
Official title: {by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations}
H03D13/007 (Circuits for comparing the phase or frequency of two mutually-independent oscillations: by) appears on 52 US grants and 23 published applications in this corpus.
Search patents in H03D- Granted patents
- 52
- Published applications
- 23
- Assignees
- 36
- Inventors
- 96
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 0 | 1 |
| 2003 | 3 | 5 |
| 2004 | 1 | 0 |
| 2005 | 4 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 3 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Electronic circuit for delivering signals in quadrature11 Nov 2025US 12,470,447 B2STMicroelectronics France
- Phase detector23 Jan 2024US 11,879,917 B2Mitsubishi Electric Corporation
- Sample rate conversion by Gaussian blur9 Jun 2020US 10,680,794 B2SiliconIntervention Inc.
- Asynchronous data recovery28 Apr 2020US 10,637,640 B2SiliconIntervention Inc.
- Circuitry for phase detector22 Dec 2015US 9,219,471 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Electronic circuit for delivering signals in quadrature11 Jul 2024US 2024/0235907 A9STMicroelectronics France
- Electronic circuit for delivering signals in quadrature25 Apr 2024US 2024/0137254 A1STMicroelectronics France
- Phase detector7 Apr 2022US 2022/0107347 A1Mitsubishi Electric Corporation
- Asynchronous Data Recovery23 Jan 2020US 2020/0028663 A1SiliconIntervention Inc.
- Sample Rate Conversion by Gaussian Blur23 Jan 2020US 2020/0028664 A1SiliconIntervention Inc.
Most cited
By later US patents
- Phase detector21US 4,870,303 AMotorola, Inc. · 1989
- Phase detector and timing extracting circuit using phase detector20US 6,064,236 AFujtisu Limited · 2000
- Combined phase comparator and charge pump circuit16US 6,275,072 B1Velio Communications, Inc. · 2001
- Phase comparison circuit13US 5,039,889 AU. S. Philips Corporation · 1991
- FM demodulator using multiplier to which delayed and undelayed input signals are applied12US 4,054,840 ASony Corporation · 1977