H03L
Automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or
Official title: Automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses (generation of oscillations h03b)
H03L (Automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or) appears on 21,003 US grants and 15,227 published applications in this corpus.
Search patents in H03L- Granted patents
- 21,003
- Published applications
- 15,227
- Assignees
- 3,216
- Inventors
- 23,613
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 78 | 0 |
| 1977 | 98 | 0 |
| 1978 | 93 | 0 |
| 1979 | 69 | 0 |
| 1980 | 78 | 0 |
| 1981 | 72 | 0 |
| 1982 | 90 | 0 |
| 1983 | 66 | 0 |
| 1984 | 82 | 0 |
| 1985 | 115 | 0 |
| 1986 | 122 | 0 |
| 1987 | 125 | 0 |
| 1988 | 94 | 0 |
| 1989 | 175 | 0 |
| 1990 | 151 | 0 |
| 1991 | 148 | 0 |
| 1992 | 194 | 0 |
| 1993 | 145 | 0 |
| 1994 | 198 | 0 |
| 1995 | 221 | 0 |
| 1996 | 258 | 0 |
| 1997 | 267 | 0 |
| 1998 | 376 | 0 |
| 1999 | 401 | 0 |
| 2000 | 513 | 0 |
| 2001 | 554 | 165 |
| 2002 | 558 | 624 |
| 2003 | 587 | 636 |
| 2004 | 669 | 671 |
| 2005 | 592 | 767 |
| 2006 | 795 | 777 |
| 2007 | 713 | 764 |
| 2008 | 666 | 840 |
| 2009 | 707 | 770 |
| 2010 | 827 | 673 |
| 2011 | 772 | 655 |
| 2012 | 722 | 605 |
| 2013 | 769 | 632 |
| 2014 | 803 | 701 |
| 2015 | 733 | 622 |
| 2016 | 802 | 583 |
| 2017 | 651 | 569 |
| 2018 | 503 | 536 |
| 2019 | 801 | 603 |
| 2020 | 804 | 569 |
| 2021 | 603 | 443 |
| 2022 | 517 | 455 |
| 2023 | 469 | 451 |
| 2024 | 411 | 453 |
| 2025 | 439 | 377 |
| 2026 | 307 | 286 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H03L 7/00Automatic control of frequency or phase19,402
- H03L 2207/00Indexing scheme relating to automatic control of frequency or phase and toIndexing code2,253
- H03L 1/00Stabilisation of generator output against variations of physical values1,894
- H03L 5/00Automatic control of voltage, current, or power590
- H03L 3/00Starting of generators305
- H03L 9/00Automatic control not provided for in other groups of this subclass15
Recent patents
- Physics package for chip scale atomic clocks and method of making same6 Oct 2026US 12,754,516 B2Microchip Technology Incorporated
- Clock sync input dropout protection6 Oct 2026US 12,756,172 B2Texas Instruments Incorporated
- 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.
- Time-to-digital converter and phase-locked loop circuit8 Oct 2026US 2026/0310139 A1Novatek Microelectronics Corp.
- Cryogenic hybrid controller for control of multiple superconducting qubits8 Oct 2026US 2026/0312583 A1Dell Products L. P.
- 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.
Most cited
By later US patents
- Electrosurgical generator with adaptive power control2,388US 6,033,399 AValleylab, Inc. · 2000
- Electrosurgical generator with adaptive power control1,848US 6,228,080 B1Sherwood Services AG · 2001
- Two-way TDMA telemetry system with power conservation features724US 5,748,103 AVitalcom, Inc. · 1998
- Architecture for TDMA medical telemetry system466US 5,944,659 AVitalcom, Inc. · 1999
- Scannable sense amplifier circuit421US 5,915,084 AAdvanced Micro Devices, Inc. · 1999