H03C 1/28
Amplitude modulation: by means of transit-time tube
Official title: by means of transit-time tube
H03C1/28 (Amplitude modulation: by means of transit-time tube) appears on 6 US grants and 0 published applications in this corpus.
Search patents in H03C- Granted patents
- 6
- Published applications
- 0
- Assignees
- 5
- Inventors
- 6
- Latest grant
- 29 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for generating plurality of short RF pulses29 Oct 2019US 10,461,727 B1H6 Systems Inc.
- Switched-inverter modulator for producing modulated high voltage pulses27 Feb 1996US 5,495,209 AHughes Missile Systems Company
- Microwave tube modulator11 Jul 1989US 4,847,517 ALTV Aerospace and Defense Company
- High frequency pulse generating circuit18 Dec 1984US 4,489,288 AMars, Incorporated
- Microwave generator22 Aug 1978US 4,109,216 AThe United States of America as represented by the Secretary of the Navy
No published applications in this class yet.
Most cited
By later US patents
- Switched-inverter modulator for producing modulated high voltage pulses12US 5,495,209 AHughes Missile Systems Company · 1996
- Short pulse magnetron transmitter7US 4,051,439 AThe United States of America as represented by the Secretary of the Navy · 1977
- Microwave generator3US 4,109,216 AThe United States of America as represented by the Secretary of the Navy · 1978
- High frequency pulse generating circuit1US 4,489,288 AMars, Incorporated · 1984
- Microwave tube modulator1US 4,847,517 ALTV Aerospace and Defense Company · 1989