H03C 3/0991
Including calibration means or calibration methods
Official title: {including calibration means or calibration methods}
H03C3/0991 (Including calibration means or calibration methods) appears on 121 US grants and 92 published applications in this corpus.
Search patents in H03C- Granted patents
- 121
- Published applications
- 92
- Assignees
- 73
- Inventors
- 225
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 4 | 10 |
| 2005 | 4 | 7 |
| 2006 | 9 | 7 |
| 2007 | 6 | 5 |
| 2008 | 7 | 10 |
| 2009 | 12 | 6 |
| 2010 | 8 | 5 |
| 2011 | 8 | 3 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 4 | 5 |
| 2018 | 4 | 3 |
| 2019 | 4 | 3 |
| 2020 | 5 | 8 |
| 2021 | 7 | 4 |
| 2022 | 5 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 5 |
| 2025 | 5 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phase-locked loops (PLL) including digitally controlled oscillator (DCO) gain calibration circuits and related methods21 Apr 2026US 12,609,707 B2Microsoft Technology Licensing, LLC
- Injection current modulation for chirp signal timing control13 Jan 2026US 12,523,745 B2NXP B. V.
- Clock duty cycle adjustment and calibration circuit and method of operating same16 Sep 2025US 12,416,939 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Device and method for signal synthesis compensating the frequency offset of open loop15 Jul 2025US 12,362,707 B2Research & Business Foundation Sungkyunkwan University
- Method and apparatus for applying phase shift to digital phase-locked loop circuit to adjust frequency of local oscillator signal used by down-conversion10 Jun 2025US 12,328,126 B2Airoha Technology Corp.
- Non-uniform coarse dco steps for improved chirp linearity23 Jul 2026US 2026/0213756 A1NXP B. V.
- Clock circuit and method of operating same6 Nov 2025US 2025/0341855 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Device and method for signal synthesis compensating the frequency offset of open loop31 Oct 2024US 2024/0364263 A1Research & Business Foundation Sungkyunkwan University
- Signal synthesis apparatus and method capable of correcting frequency offset of open loop31 Oct 2024US 2024/0364352 A1Research & Business Foundation Sungkyunkwan University
- Phase-locked loops (pll) including digitally controlled oscillator (dco) gain calibration circuits and related methods8 Aug 2024US 2024/0267052 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- Delta-sigma based dual-port modulation scheme and calibration techniques for similar modulation schemes90US 6,515,553 B1Conexant Systems, Inc. · 2003
- Systems and methods for correcting phase locked loop tracking error using feed-forward phase modulation71US 6,831,491 B2Agilent Technologies, Inc. · 2004
- Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions42US 5,555,276 ANorand Corporation · 1996
- Direct digital frequency synthesis enabling spur elimination42US 6,094,101 ATropian, Inc. · 2000
- Phase locked loop modulator calibration techniques41US 6,998,922 B2Broadcom Corporation · 2006