H03L 7/089
The phase or frequency detector generating up-down pulses
Official title: the phase or frequency detector generating up-down pulses (H03L7/087 takes precedence)
H03L7/089 (The phase or frequency detector generating up-down pulses) appears on 3,789 US grants and 2,671 published applications in this corpus.
Search patents in H03L- Granted patents
- 3,789
- Published applications
- 2,671
- Assignees
- 842
- Inventors
- 4,816
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 2 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 15 | 0 |
| 1988 | 13 | 0 |
| 1989 | 29 | 0 |
| 1990 | 20 | 0 |
| 1991 | 14 | 0 |
| 1992 | 41 | 0 |
| 1993 | 19 | 0 |
| 1994 | 39 | 0 |
| 1995 | 50 | 0 |
| 1996 | 41 | 0 |
| 1997 | 61 | 0 |
| 1998 | 73 | 0 |
| 1999 | 87 | 0 |
| 2000 | 143 | 0 |
| 2001 | 158 | 48 |
| 2002 | 137 | 166 |
| 2003 | 177 | 187 |
| 2004 | 186 | 173 |
| 2005 | 169 | 208 |
| 2006 | 217 | 177 |
| 2007 | 191 | 196 |
| 2008 | 171 | 176 |
| 2009 | 156 | 146 |
| 2010 | 150 | 114 |
| 2011 | 131 | 82 |
| 2012 | 111 | 73 |
| 2013 | 118 | 82 |
| 2014 | 101 | 71 |
| 2015 | 66 | 55 |
| 2016 | 97 | 78 |
| 2017 | 95 | 71 |
| 2018 | 69 | 76 |
| 2019 | 105 | 83 |
| 2020 | 122 | 82 |
| 2021 | 90 | 73 |
| 2022 | 75 | 63 |
| 2023 | 68 | 48 |
| 2024 | 47 | 45 |
| 2025 | 49 | 59 |
| 2026 | 40 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Voltage-controlled oscillator and phase-locked loop6 Oct 2026US 12,756,399 B2Realtek Semiconductor Corp.
- Phase-locked loop device, and operating method of the device29 Sep 2026US 12,750,061 B2Samsung Electronics Co., Ltd.
- Calibrated delay lines for generation of accurate and programmable phase delays between outputs of frequency dividers22 Sep 2026US 12,744,521 B2Samsung Electronics Co., Ltd.
- Phase locked loop circuit and method of operation thereof22 Sep 2026US 12,744,539 B2Samsung Electronics Co., Ltd.
- Time-based converter apparatus and corresponding method25 Aug 2026US 12,719,351 B2STMicroelectronics International N. V.
- Systems having a phase frequency detector1 Oct 2026US 2026/0303101 A1Micron Technology, Inc.
- Phase locked loop circuit to minimize circuit noise1 Oct 2026US 2026/0303102 A1Korea University Research and Business Foundation
- Differential charge pump1 Oct 2026US 2026/0303103 A1International Business Machines Corporation
- A wide-band, multi-phase phase-locked loop circuit24 Sep 2026US 2026/0291506 A1University of Utah Research Foundation
- Phase interpolator with enhanced linearity24 Sep 2026US 2026/0291507 A1Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
Most cited
By later US patents
- Data phase locked loop circuit197US 6,252,465 B1Mitsubishi Denki Kabushiki Kaisha · 2001
- Synthesized clock microcomputer with power saving159US 4,893,271 AMotorola, Inc. · 1990
- Clock recovery circuit157US 9,036,764 B1Rambus Inc. · 2015
- Segmented dual delay-locked loop for precise variable-phase clock generation151US 6,100,735 ACentillium Communications, Inc. · 2000
- Integrated charge-pump phase-locked loop circuit137US 5,233,314 ACyrix Corporation · 1993