H03B 2202/04
Reduction of undesired oscillations originated from outside noise or interferences
Official title: Reduction of undesired oscillations originated from outside noise or interferences, e.g. from parasitic couplings with circuit elements outside the oscillator
H03B2202/04 (Reduction of undesired oscillations originated from outside noise or interferences) appears on 37 US grants and 22 published applications in this corpus.
Search patents in H03B- Granted patents
- 37
- Published applications
- 22
- Assignees
- 33
- Inventors
- 87
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 4 | 3 |
| 2015 | 2 | 2 |
| 2016 | 3 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 3 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- H03B 2202/042The circuit element belonging to the power supplyIndexing code16
- H03B 2202/044The circuit element belonging to transmitter circuitryIndexing code7
- H03B 2202/046The circuit element belonging to receiver circuitryIndexing code3
- H03B 2202/048The circuit element being a frequency dividerIndexing code1
Recent patents
- System and method of mitigating interference caused by coupling from power amplifier to voltage-controlled oscillator30 Sep 2025US 12,431,845 B2Silicon Laboratories Inc.
- System and method of mitigating interference caused by coupling from power amplifier to voltage-controlled oscillator2 Jul 2024US 12,028,024 B2Silicon Laboratories Inc.
- Voltage controlled oscillator8 Feb 2022US 11,245,358 B1Novatek Microelectronics Corp.
- Voltage-controlled oscillator with high and low gain options22 Oct 2019US 10,454,418 B1Xilinx, Inc.
- Method and apparatus for reconfigurable multicore oscillator20 Aug 2019US 10,389,301 B2Microsemi Solutions (U.S.), Inc.
- System and method of mitigating interference caused by coupling from power amplifier to voltage-controlled oscillator8 Aug 2024US 2024/0267005 A1Silicon Laboratories Inc.
- System and method of mitigating interference caused by coupling from power amplifier to voltage-controlled oscillator10 Jun 2021US 2021/0175855 A1Silicon Laboratories Inc.
- Neutralization of Environmental Influences on the Transmitting Parameters28 May 2020US 2020/0168987 A1
- Crystal (xtal) oscillator with high interference immunity7 Jun 2018US 2018/0159470 A1MaxLinear, Inc.
- Method and apparatus for reconfigurable multicore oscillator5 Apr 2018US 2018/0097475 A1Microsemi Storage Solutions, Inc.
Most cited
By later US patents
- Low-power inverter for crystal oscillator buffer or the like41US 5,457,433 AMotorola, Inc. · 1995
- VCO and buffer having noise filter on power supply line40US 5,379,003 AMurata Manufacturing Co., Ltd. · 1995
- Voltage controlled oscillator integrated circuit32US 5,920,235 ANorthern Telecom Limited · 1999
- Voltage controlled oscillator having a resonator16US 5,227,739 AMurata Manufacturing Co., Ltd. · 1993
- Piezoelectric oscillator having reduced radiation of higher harmonics16US 5,302,921 ASeiko Epson Corporation · 1994