H03B 29/00
Generation of noise currents and voltages
Official title: Generation of noise currents and voltages {(gasfilled discharge tubes with solid cathode specially adapted as noise generators H01J17/005)}
H03B29/00 (Generation of noise currents and voltages) appears on 137 US grants and 84 published applications in this corpus.
Search patents in H03B- Granted patents
- 137
- Published applications
- 84
- Assignees
- 106
- Inventors
- 264
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 13 |
| 2004 | 7 | 11 |
| 2005 | 6 | 5 |
| 2006 | 4 | 7 |
| 2007 | 4 | 4 |
| 2008 | 1 | 5 |
| 2009 | 4 | 3 |
| 2010 | 6 | 1 |
| 2011 | 1 | 3 |
| 2012 | 6 | 3 |
| 2013 | 1 | 6 |
| 2014 | 2 | 2 |
| 2015 | 3 | 1 |
| 2016 | 2 | 1 |
| 2017 | 3 | 4 |
| 2018 | 2 | 1 |
| 2019 | 3 | 5 |
| 2020 | 4 | 1 |
| 2021 | 4 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System for selectively adding noise pedestal to generated signal5 Aug 2025US 12,381,542 B2Keysight Technologies, Inc.
- Fluctuating oscillator and robot24 Jun 2025US 12,339,696 B2Osaka University
- Active noise source design9 Apr 2024US 11,953,535 B2Teknologian tutkimuskeskus VTT Oy
- Fluctuation oscillator and signal sensing device7 Mar 2023US 11,601,091 B1Osaka University
- Random code generator and associated random code generating method2 Aug 2022US 11,404,958 B2eMemory Technology Inc.
- System for selectively adding noise pedestal to generated signal1 May 2025US 2025/0141437 A1Keysight Technologies, Inc.
- Differential quantum noise source11 Jan 2024US 2024/0012618 A1Quintessence Labs Pty Ltd.
- Fluctuation oscillator and signal sensing device16 Feb 2023US 2023/0047590 A1Osaka University
- Fluctuating oscillator and robot9 Feb 2023US 2023/0038563 A1Osaka University
- Active noise source design2 Sep 2021US 2021/0270881 A1Teknologian tutkimuskeskus VTT Oy
Most cited
By later US patents
- Spread spectrum clock generator and associated method160US 5,488,627 ALexmark International, Inc. · 1996
- Printing cartridge with an integrated circuit device118US 6,547,364 B2Silverbrook Research Pty Ltd · 2003
- Spread spectrum clock generator106US 5,631,920 ALexmark International, Inc. · 1997
- Apparatus and method for generating chaotic signals and chaos device102US 5,506,795 A1996
- Printing cartridge with a data-carrying integrated circuit device97US 6,953,235 B2Silverbrook Research Pty Ltd · 2005