H03L 7/085
Concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification
Official title: concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal (H03L7/10 takes precedence; circuits for comparing the phase or frequency of two mutually-independent oscillations H03D13/00)
H03L7/085 (Concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification) appears on 8,840 US grants and 6,473 published applications in this corpus.
Search patents in H03L- Granted patents
- 8,840
- Published applications
- 6,473
- Assignees
- 1,546
- Inventors
- 10,676
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 18 | 0 |
| 1978 | 17 | 0 |
| 1979 | 24 | 0 |
| 1980 | 18 | 0 |
| 1981 | 9 | 0 |
| 1982 | 15 | 0 |
| 1983 | 21 | 0 |
| 1984 | 16 | 0 |
| 1985 | 23 | 0 |
| 1986 | 26 | 0 |
| 1987 | 42 | 0 |
| 1988 | 34 | 0 |
| 1989 | 63 | 0 |
| 1990 | 50 | 0 |
| 1991 | 51 | 0 |
| 1992 | 75 | 0 |
| 1993 | 50 | 0 |
| 1994 | 87 | 0 |
| 1995 | 89 | 0 |
| 1996 | 102 | 0 |
| 1997 | 120 | 0 |
| 1998 | 156 | 0 |
| 1999 | 172 | 0 |
| 2000 | 245 | 0 |
| 2001 | 255 | 81 |
| 2002 | 253 | 298 |
| 2003 | 297 | 320 |
| 2004 | 314 | 318 |
| 2005 | 289 | 342 |
| 2006 | 381 | 361 |
| 2007 | 319 | 367 |
| 2008 | 312 | 350 |
| 2009 | 310 | 335 |
| 2010 | 389 | 296 |
| 2011 | 321 | 238 |
| 2012 | 274 | 215 |
| 2013 | 323 | 208 |
| 2014 | 286 | 214 |
| 2015 | 238 | 208 |
| 2016 | 302 | 241 |
| 2017 | 255 | 209 |
| 2018 | 219 | 237 |
| 2019 | 361 | 279 |
| 2020 | 380 | 264 |
| 2021 | 294 | 211 |
| 2022 | 241 | 210 |
| 2023 | 206 | 181 |
| 2024 | 179 | 172 |
| 2025 | 182 | 172 |
| 2026 | 128 | 146 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03L 7/089The phase or frequency detector generating up-down pulses3,789
- H03L 7/093Using special filtering or amplification characteristics in the loop2,417
- H03L 7/087Using at least two phase detectors or a frequency and phase detector1,978
- H03L 7/091The phase or frequency detector using a sampling device1,467
- H03L 7/095Using a lock detector982
- H03L 7/097Using a comparator for comparing the voltages obtained from two frequency to134
Recent patents
- Delay locked loop device and method for operating the same6 Oct 2026US 12,756,397 B2Nanya Technology Corporation
- Clock tracking circuit with digital integral path to provide control signals for digital and analog integral inputs of an oscillator6 Oct 2026US 12,756,398 B2Microchip Technology Incorporated
- Voltage-controlled oscillator and phase-locked loop6 Oct 2026US 12,756,399 B2Realtek Semiconductor Corp.
- Phase management circuit for high-speed ADC receivers and methods thereof6 Oct 2026US 12,756,603 B2Samsung Electronics Co., Ltd.
- Memory device and storage device including the same29 Sep 2026US 12,750,060 B2Samsung Electronics Co., Ltd.
- Time-to-digital converter and phase-locked loop circuit8 Oct 2026US 2026/0310139 A1Novatek Microelectronics Corp.
- Compensation Technique for the Nonlinear Behavior of Digitally-Controlled Oscillator (DCO) Gain8 Oct 2026US 2026/0312591 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Lock detector including digital calibration8 Oct 2026US 2026/0312592 A1Samsung Electronics Co., Ltd.
- Phase-Locked Loop Circuit8 Oct 2026US 2026/0312593 A1Novatek Microelectronics Corp.
- Clock synchronization circuit1 Oct 2026US 2026/0299034 A1Texas Instruments Incorporated
Most cited
By later US patents
- Phase locked loop control via inner and outer feedback control circuits284US 6,384,690 B1Telefonaktiebolaget LM Ericsson (publ) · 2002
- Clock recovery using a double-exponential smoothing process283US 7,020,791 B1Nortel Networks Limited · 2006
- Technique for synchronizing clocks in a network278US 7,043,651 B2Nortel Networks Limited · 2006
- Clock recovery using a direct smoothing process244US 7,130,368 B1Nortel Network Limited · 2006
- Phase interpolator device and method223US 6,509,773 B2Broadcom Corporation · 2003